CURRICULUM VITAE
11. Supervision of Foreign Researchers (postdoctoral or master level) ? .....
Zoological Institute, University of Leuven: Dr. P. Verhaert. ..... 1st Annual Meeting
of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, .... 9-13 July
1995, 3rd International Symposium on Applied Mass Spectrometry in the Health ...
part of the document
CURRICULUM VITAE
Magda Claeys
(last update: 30 April 2007)
(last update Articles in International Journals: 1 March 2008)
Personal Data
.. 1
Studies
. 1
Career
.. 1
Scientific Prizes and Awards
...... 2
Study Leaves Abroad
.. 2
Membership of Scientific Societies
3
Functions in Scientific Societies
. 3
Teaching Experience
.. 3
Promoter of Research Projects
3
Cooperation with other Laboratoria or Scientific Institutions
. 6
Membership of Editorial Boards of International Scientific Journals
7
Review Activities for International Scientific Journals
.. 7
Other Review Activities
.. 8
Functions with regard to Administration
8
Member of Academic Commissions or Committees
.. 9
Member of Juries
9
Promoter or Co-promoter of Doctoral Theses
10
Promoter or Supervisor of other Theses
. 11
Supervision of Foreign Researchers (postdoctoral or master level)
... 12
Organization of Scientific Meetings
13
Invited Lectures and Seminars
15
Articles in Proceedings of International Conferences and Chapters in Books
19
Articles in International Journals
22
Reports
40
Published Abstracts
42
Publications in National Journals
... 51
Papers at Scientific Conferences
52
Personal Data
Name : CLAEYS
First names : Magda, Marie, Joseph
Address : Kleemstraat 31, B 9250 Waasmunster, Belgium
Tel. : +32-(0)52-46.21.11
Date of birth : 14 August 1948
Place of birth : Gent
Nationality : Belgian
Civil status : married, 1973, to MAENHAUT Willy, Roger
Work address : University of Antwerp (UA)
Campus Drie Eiken
Department of Pharmaceutical Sciences
Universiteitsplein 1
BE-2610 Antwerp
Tel. : +32-(0)3-820.27.07
Fax : +32-(0)3-820.27.34
Email : magda.claeys@ua.ac.be
Studies
University education:
1966-1970: Licentiate in Sciences (Group: Chemistry) (4 x great distinction) State University of Gent, Belgium Thesis: "Mass spectrometry of the isomeric methyl enol ethers of 4 methyl-1,3-cyclopentanedione" (Promoter: Prof. Dr. M. Vandewalle)
1970-1974: Doctor in Sciences (Group: Chemistry) (greatest distinction) State University of Gent, Belgium Thesis: "Gas Chromatographic - Mass Spectrometric Studies on Biogenic Amines and Prostaglandins" (Promoter: Prof. Dr. M. Vandewalle)
Career
1970-1971 : research trainee of the Belgian National Fund for Scientific Research (FNRS)
1971-1975 : research assistant of the FNRS
1975-1979 : senior research assistant of the FNRS
1979-1993 : research associate of the FNRS
1993-1995 : senior research associate of the FNRS
1995-2000 : research director of the Fund for Scientific Research - Flanders (FWO- Flanders)
2000- : professor, University of Antwerp, Special Research Fund (BOF)
From 1.10.1970 till 31.01.1978: associated with the State University of Gent, Faculty of Sciences,
Laboratory of Organic Chemistry
Since 1.02.1978: associated with the University of Antwerp, Department of Pharmaceutical Sciences:
1.02.1978 - 30.09.1987: Laboratory of Pharmacology
1.10.1987 - : Research Group of Bio-organic Mass Spectrometry
Scientific Prizes and Awards
1975: Prize Jean-Servais Stas, awarded by the Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique (Stas medal).
1999: Award for best poster for a young researcher (younger than 35 years) in the category Atmospheric Aerosols on the Sixth Scientific Conference of the International Global Atmospheric Chemistry Project (IGAC), Bologna, Italy, September 13-17, 1999; this award was given to Dr. A. Kubátová, a postdoctoral researcher of my group (coauthors: R. Vermeylen, M. Claeys, J. Cafmeyer, W. Maenhaut, G. Roberts, and P. Artaxo) for the poster entitled Carbonaceous aerosol characterization in the Amazon Basin, Brazil.
2002: Student prize of the Belgian Society for Mass Spectrometry (BSMS), awarded during the annual BSMS meeting (2 Sept. 2002), Ghent, Belgium, to Filip Cuyckens, a doctoral student of my research group, for his research on the mass spectrometric characterization of flavonoids. The prize amounted 800 Euro.
2003: Student prize of the Journal of Mass Spectrometry, awarded during the 16th International Mass Spectrometry Conference (16th IMSC), Edinburgh, UK, 31 Aug. 5 Sept. 2003, to Filip Cuyckens for his research on the mass spectrometric characterization of flavonoids. The prize consisted of a travel grant of 1200 US $ for participation at the 16th IMSC and was sponsored by Wiley Interscience.
Study Leaves Abroad
1 December 1974 30 March 1976: National Institute for Mental Health, Laboratory for Clinical Sciences, Bethesda, Maryland, U.S.A. (Dr. S.P. Markey and Dr. I.J. Kopin). Objective: Development of quantitative mass spectrometric methods for the determination of antidepressants and biogenic amine metabolites in biological fluids.
27 February 1978 7 April 1978: Unilever Research Laboratoria, Laboratorium for Biochemistry of Unsaturated Fatty Acids, Vlaardingen, The Netherlands. (Dr. D.H. Nugteren and Dr. D.A. Van Dorp). Objective: training in biosynthetic methods for the study of the metabolism of arachidonic acid.
22 August 1983 23 September 1983: Unilever Research Laboratoria, Laboratorium for Biochemistry of Unsaturated Fatty Acids, Vlaardingen, The Netherlands. (invited by Dr. D.H. Nugteren). Objective: collaboration on the mass spectrometric structure elucidation of lipoxygenase metabolites of linoleic acid formed by leukocytes.
8 July 1985 30 August 1985: Louisiana State University Medical Center, Department of Ophthalmology, Laboratory of Neurobiochemistry, New Orleans, Louisiana, U.S.A. (invited by Prof. Dr. N.G. Bazan as visiting research professor). Objective: collaboration on the mass spectrometric structure elucidation of metabolites of docosahexaenoic acid formed by the retina and neuronal tissue.
Membership of Scientific Societies
Koninklijke Vlaamse Chemische Vereniging (KVCV)
Belgisch Genootschap voor Farmaceutische Wetenschappen
Belgische Vereniging voor Massaspectrometrie (BSMS)
Koninklijke Nederlandse Chemische Vereniging (KNCV)
American Society for Mass Spectrometry (ASMS)
Functions in Scientific Societies
1995: co-founder of the Belgian Society for Mass Spectrometry (BSMS)
1996-2000: secretary of BSMS
2001-2008: chairwoman of BSMS
Teaching Experience
since 1 October 1981: Course : "Structure elucidation of pharmaceuticals" Partim : Organic mass spectrometry and seminar on combined spectroscopic excercises; 5th year pharmacy students; 10 hours/year
since 1 October 1995: Course "Spectrometric identification of organic compounds"; Partim: Organic mass spectrometry; 3rd cycle pharmacy students specializing in industrial pharmacy; 5 hours/year.
1992 - 1995 Course "Organic chemistry of biomolecules" consisting of three parts: - chemical properties and structure characteristics of the major classes of biomolecules; - bio-organic reaction mechanisms; - spectrometric identification of organic compounds; 3rd year biochemistry students; 45 hours theory and 30 hours seminar on combined spectroscopy
since 1 October 2002:
Course Pharmaceutical Analysis III
Partim: Sample preparation and gas chromatography; 4th year pharmacy students; 7.5 hours/year
Promoter of Research Projects
National Fund for Scientific Research (NFWO): FGWO project Nr. 3.0089.87N 1986-1989 and extension 1990-1993 Title: Biomedical Applications of Tandem Mass Spectrometry. Promoter-coordinator (Copromoters: F. Alderweireldt, A. De Leenheer, W. De Potter, E. Esmans, A. Herman, S. Scharpé, D. Vanden Berghe and A. Vlietinck) Budget: 26 000 kBEF
University of Antwerp (UA) - Special Research Fund (BOF), Concerted Research Action (GOA)
1987-1992 Title: Spectrometry and Imaging in Biomedical Research. Promoter-coordinator (Copromoters: W. Jacob, F. Van de Vyver, F. Alderweireldt, A. De Schepper, P. Dockx, R. Dommisse, E. Esmans, K. Van Cauwenberghe, P. Van Espen and A. Vlietinck) Budget: 55 000 kBEF (15 000 kBEF for own research group)
National Fund for Scientific Research (NFWO): FKFO project Nr. 2.0133.94N 1994-1997 Title: Mass Spectrometric Structure Determination of Biomolecules: Analytical Developments and Bio-analytical Applications. Promoter (Promoter-coordinator: E. Esmans; copromoters: A. De Leenheer, W. De Potter, L. Moens, H. Slegers, E. Van den Eeckhout and H. Van Onckelen) Budget: 10 000 kBEF (for own research group)
European Economic Community (EEC): Programme Human Capital and Mobility: Contract no.: ERB-CHRX-CT 94-0425
1994-1997 and extension 1997-1998 Title: Peptide and protein structure elucidation by mass spectrometry. Analytical development and bioanalytical application. Promoter (Promoter-coordinator: M. Przybylski; copromoters: A. Van Dorsselaer, S. Foti, P. Roepstorff and E. Schmid) Budget: 2 500 kBEF (for own research group) + Cofinancing EU HCM - Ministry of the Flemish Community Budget: 1 000 kBEF
Federal Office for Scientific, Technical and Cultural Affairs (OSTC): Contract Nr. CG/DD/03C Contribution to the programme PODO I / Global Change and Sustainable Development 1997-2000 Title: Sources, physicochemical characteristics and climate forcing of atmospheric aerosols promoter (Promoter-coordinator: W. Maenhaut, copromoters: F. Adams) Budget: 6 000 kBEF (for own research group)
Fund for Scientific Research (FWO) Flanders: Project number: G.0082.98
1998-2001
Title: Mass spectrometric structure characterization of biomolecules and functional dyes: investigation of ionization and fragmentation mechanisms, development of methods and analytical applications.
Promoter-coordinator (Copromoters: A. Haemers, H. Geise, L. Pieters and A. Vlietinck)
Budget: 32.187 kBEF (of which 23.595 kBEF for instrumentation)
University of Antwerp (UA) - Special Research Fund (BOF), Concerted Research Action (GOA): Project number: 99/3/34
1999-2002
Title: Multidisciplinary spectroscopic research on organic materials and biomolecules.
Promoter (Promoter-coordinator: E. Goovaerts; copromoters: R. Dommisse and B. Van der Veken)
Budget: 6.820 kBEF (for own research group)
University of Antwerp (UA), Special Research Fund, Action for stimulation of participation in European research projects (ASPEO)
Title: Development of analytical methods for water soluble organic compounds in atmospheric aerosols.
Promoter: M. Claeys.
Period: January 1, 2001 December 31, 2003
Grant amount: 2.916 kBEF
Federal Office for Scientific, Technical and Cultural Affairs (OSTC): Contract number: EV/06/11B.
Contribution to the program Second Multiannual Scientific Support Plan for a Sustainable Development Policy - SPSD II - Part II - Global Change, Ecosystems and Biodiversity.
Title: Characterisation and sources of carbonaceous atmospheric aerosols.
Co-ordinator: W. Maenhaut; Promoter: M. Claeys.
Period: December 1, 2000 February 28, 2005.
Grant amount: 321,641.85 Euro (i.e., 194,381.74 Euro for personnel, 41,854.39 Euro for expendables, 74,368.06 Euro for equipment, and 11,037.66 Euro overhead).
European Economic Community (EEC): EC Programme Energy, Environment and Sustainable Environment (EESD-1999): Contract no.: EVK2 CT2001 00110.
Title: Smoke Aerosols, Clouds, Rainfall and Climate: Aerosols from Biomass Burning Perturb Global and Regional Climate (SMOCC).
Co-ordinator: M.O. Andreae; contractor: W. Maenhaut; associate contractor at the UA: M. Claeys.
Period: 1 December 2001 30 November 2004.
Grant amount: 89,259 Euro for M. Claeys (mainly for personnel).
University of Antwerp (UA), Special Research Fund, Bilateral scientific and technological cooperation. Title: Urban and rural carbonaceous aerosols in Flanders and Hungary: Characterisation, source identification and apportionment, and chemical mass closure.
Promoters: W. Maenhaut and M. Claeys (Flanders); I. Salma and A. Gelencsér (Hungary).
Period: 1 January 2003 31 December 2004.
Grant amount: 18,540 Euro for UA (mainly for exchange of scientists).
European Commission (EC): 6th Framework Programme on Research, Technological Development and Demonstration: Contract no.: 018419.
Title: Organics over the Ocean Modifying Particles in both Hemispheres (OOMPH).
Co-ordinator: J. Williams; contractor at UA: M. Claeys.
Period: 1 September 2005 31 August 2008.
Grant amount: 117,000 Euro for M. Claeys (mainly for personnel).
Federal Science Policy Office (SPO): Contract number: SD/AT/02A.
Contribution to the program Science for a Sustainable Development.
Title: Formation mechanisms, marker compounds, and source apportionment for biogenic atmospheric aerosols (BIOSOL).
Co-ordinator: W. Maenhaut; promoter: M. Claeys.
Period: December 15, 2005 December 14, 2007.
Grant amount: 184,035 Euro (i.e., 107,510 Euro for personnel, 23,000 Euro for expendables, 47,000 Euro for equipment and 6,525 Euro overhead).
Fund for Scientific Research (FWO) Flanders: Project number: G.0258.06.
Title: Biogenic atmospheric aerosols: Identification of marker compounds, study of their formation, and determination of the contribution to the carbonaceous aerosol.
Promoters: W. Maenhaut and M. Claeys.
Period: January 1, 2006 December 31, 2009.
Grant amount: 100,000 Euro (for expendables).
Fund for Scientific Research (FWO) Flanders: Project number: G.0091.06.
Title: Characterization of biologically active plant metabolites and carbonaceous aerosols using mass spectrometric methods.
Promoters: M. Claeys and L. Pieters
Period: January 1, 2006 December 31, 2009.
Grant amount: 247,900 Euro (i.e., 207,900 Euro for instrumentation and 40,000 Euro for expendables).
Fund for Scientific Research (FWO) Flanders: Project number: G.0173.06
Title: The importance of volatile organic compounds in the carbon cyclus of terrestrial ecosystems and the production of secondary organic aerosols.
Promoters: I. Janssens and M. Claeys.
Period: January 1, 2006 December 31, 2009.
Grant amount: 194,800 Euro (for instrumentation).
University of Antwerp (UA), Special Research Fund, Multidisciplinary doctoral project.
Title: Biogenic and bio-aerosol formation by terrestrial vegetation.
Promoters: M. Claeys and I. Janssens.
Period: 1 October 2006 30 September 2008.
Grant amount: 65,000 Euro for UA (mainly for personnel).
European Commission (EC): 6th Framework Programme on Structuring the European Research Area; Marie Curie Intra-European Fellowships: Contract No.: 039787.
Title: Characterization of secondary organic aerosol from photooxidation of isoprene and alpha-pinene with mass spectrometric approaches (SOAMASS).
Promoter: M. Claeys.
Period: 18 October 2006 17 October 2008.
Grant amount: 152,752 Euro (mainly for personnel).
Cooperation with other Laboratoria or Scientific Institutions
in Belgium:
Research Group Tropospheric Aerosol Research and Nuclear Microanalysis, Department of Analytical Chemistry, Ghent University: Prof. W. Maenhaut.
Laboratory of Mass Spectrometry, Department of Chemistry, University of Louvain: Prof. E. de Hoffmann.
Faculty of Pharmaceutical Sciences, Ghent University: Prof. A.P. De Leenheer, Prof. E. Van Den Eeckhout, Prof. J. Van Bocxlaer.
Zoological Institute, University of Leuven: Dr. P. Verhaert.
Laboratory of Genetics, Faculty of Agricultural Sciences: Prof. W. Broekaert.
Janssen Farmaceutica, R&D Division: Dr. J. Leysen, Dr. W. Lauwers.
in Europe (Belgium excluded):
Department of Physics, University of Helsinki, Helsinki, Finland: Prof. M. Kulmala, T. Ruuskanen.
Institute for Tropospheric Research (IfT), Leipzig, Germany: Dr. Y. Iinuma.
Biogeochemistry and Air Chemistry Divisions, Max Planck Institute for Chemistry (MPIC), Mainz, Germany: Prof. M.O. Andreae, Dr. J. Williams and others (and also with several other European universities and institutions within the framework of the EU SMOCC project).
Institute for Analytical Chemistry, Vienna University of Technology, Vienna, Austria: Prof. H. Puxbaum, Dr. H. Bauer.
Air Chemistry Group of the Hungarian Academy of Sciences, Veszprém, Hungary: Dr. A. Gelencsér.
Institute of Atmospheric Sciences and Climate (ISAC), Bologna, Italy: Dr. S. Fuzzi, Dr. M.C. Facchini.
Department of Chemistry, University of Lisbon, Portugal: Prof. M. A. Almoster-Ferreira, Dr. C. Borges.
Department of Chemistry, University of Konstanz, Germany: Prof. M. Przybylski.
Institute of Mass Spectrometry and Department of Chemistry, University of Warwick, Coventry, U.K.: Prof. P. Derrick.
Unilever Research Laboratories, Vlaardingen, The Netherlands: Dr. D.H. Nugteren.
Department of Pharmacy, University of Tromsoe, Norway: Prof. E. Jensen, Dr. M. Moe.
Institute for Food Research, Norwich, U.K.: Dr. F.A. Mellon.
Center for Mass Spectrometry, National Research Council (CNR), Naples, Italy: Dr. G. Pocsfalvi.
Department of Environmental Sciences, University of Kuopio: Dr. J. Joutsensaari.
in the U.S.A.:
National Exposure Research Laboratory, U.S. Environmental Protection Agency (EPA), Research Triangle Park, NC: Dr. T.E. Kleindienst, Dr. E.O. Edney.
Departments of Environmental Science and Engineering and Chemical Engineering, California Institute of Technology (Caltech), Pasadena, CA: Prof. J. H. Seinfeld.
in the rest of the world:
Institute of Physics, University of Sao Paulo, Sao Paulo, Brazil: Prof. P. Artaxo.
Department of Chemistry, University of Campinas, Campinas, Brazil: Prof. M. Eberlin.
National Research Centre for Environmental Analysis and Measurements (NRCEAM), Beijing, China: Dr. X. Liu.
School of Environmental and Chemical Engineering, Shanghai University, Shanghai, China: Dr. W. Wang.
Department of Environmental Sciences, Weizmann Institute, Rehovot, Israel: Dr. Y. Rudich.
Institute for Marine Biosciences, National Research Council, Halifax, Nova Scotia: Dr. R.K. Boyd.
Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada: Prof. J.S. Grossert.
Department of Chemical Pathology, University of the Witwatersrand, Johannesburg, South Africa: Dr. V. Steenkamp.
Institute for Low Temperature Physics and Engineering, National Academy of Sciences of the Ukraine, Kharkov: Dr. M.V. Kosevich.
Membership of Editorial Boards of International Scientific Journals
1.01.1982-31.12.2003: Mass Spectrometry Reviews
1.01.1993-31.12.1994: Biological Mass Spectrometry
1.01.1995- : Journal of Mass Spectrometry (continuation of "Organic Mass Spectrometry"
and "Biological Mass Spectrometry)
1.01.2003-31.12.2008: Journal of the Amercian Society for Mass Spectrometry
1.01.2003- : Rapid Communications in Mass Spectrometry
Review Activities for International Scientific Journals
Last update: 31 December 2006 total number
of manuscripts last year (2006)
Analusis: 1
Analytical Chemistry: 7 1
Analytica Chimica Acta: 1
Analytical Biochemistry: 1
Atmospheric Chemistry and Physics: 2
Atmospheric Environment: 4 1
Biochimica Biophysica Acta: 1
Biological Mass Spectrometry: 18
Boreal Forest Research: 1
Chemosphere: 2
Clinica Chimica Acta: 6
Environmental Chemistry: 1
Environmental Science and Technology: 5 2
European Journal of Biochemistry: 1
European Mass Spectrometry: 4
Geophysical Research Letters: 3
International Journal of Mass Spectrometry: 5
Journal of Agricultural and Food Chemistry: 4 1
Journal of Chromatography: 22 1
Journal of Geophysical Research Atmospheres: 7 1
Journal of the American Chemical Society 1
Journal of the American Society for Mass Spectrometry: 16 5
Journal of Mass Spectrometry: 61 6
Journal of Natural Products: 16
Journal of Neurochemistry: 1
Journal of Pharmaceutical and Biomedical Analysis: 1
Journal of Separation Science: 1
Lipids: 1
Mass Spectrometry Reviews: 3
Prostaglandins: 1
Pharmaceutical Research: 1
Phytochemical Analysis: 2
Pure and Applied Chemistry 1 1
Rapid Communications in Mass Spectrometry: 23 5
Science 1 1
Varia (book chapter): 1 1
Other Review Activities
Austrian National Science Foundation: 1 research proposal
Dutch Foundation for Research in the Earth Sciences (NWO): 1 research proposal
Ministry of Education of Serbia: 1 research proposal
Dutch Foundation for Material Research (FOM): 1 research proposal
British Biotechnology and Biological Sciences Research Council (BBSRC): 1 research proposal
Evaluation of proposals to author a book, submitted to Wiley Publishers, Chichester, U.K.: 6 times
Evaluation of the scientific output of a lecturer for the Technion Israel Institute of Technology (with regard to advancement to the rank of senior lecturer): 1 time
Evaluation of the scientific output of a senior lecturer for the University of London, Institute of Pharmacy (with regard to advancement to the rank of full professor): 1 time
Evaluation of scientific researchers for obtaining a permanent residence permit in the United States: 5 times
Evaluation of the scientific output of a researcher for the Italian National Research Council (CNR) (with regard to advancement to a tenure position): 1 time
Evaluation of the scientific output of doctoral researchers for the Fund for Scientific Research Flanders (FWO) (with regard to application for a postdoctoral mandate): 4 times
Evaluation of a postdoctoral researcher of the Fund for Scientific Research French Community (FNRS) (with regard to his application for a permanent mandate): 1 time
Evaluation of a senior researcher for the National Academy of Sciences of Ukraine (with regard to her promotion to research director): 1 time
Functions with regard to Administration
1.10.1985 - 30.09.1987: secretary of the Department Council of Pharmaceutical Sciences (UIA).
1.10.1995 - 30.09.1997: secretary of the Department Council of Pharmaceutical Sciences (UIA).
Member of Academic Commissions or Committees
1.10.1996 - : member of FADOSI, commission doctoral training (DOCOP) of the Faculties of Sciences, and of Pharmaceutical, Biomedical and Veterinary Sciences.
2002: member of the selection committee for a staff member in the group Structural Chemistry, Department of Chemistry.
2006: member of the committee academic personel for the appointment (tenure) of Dr. Frank Blockhuys, Department of Chemistry.
Member of Juries
Member of a jury for doctoral grant fellowships:
20 November 1995
Institute for Scientific and Technological Research; college of pharmacy
Member of a jury for an international scientific award:
30 August 2006
Curt Brunneé award, sponsored by Thermo Electron Corporation and presented at the 17th International Mass Spectrometry Conference (Prague, Czech Republic) to an individual for outstanding contributions to the development of instrumentation for mass spectrometry by a person under the age of 45; winner: Prof. Roman A. Zubarev.
External jury member for doctoral theses:
21 November 1992 University of Liège, Department of General Chemistry and Physical Chemistry: thesis of Françoise Destexhe-Derwa entitled "Etude des aspects Energetiques des mécanismes de désorption et de fragmentation en spectrométrie de masse d'ions secondaires" (promoters: Prof. P. Natalis and Prof. E. De Pauw)
28 June and 12 July 1996
Free University of Brussels, Faculty of Sciences, Laboratory of Organic Chemistry: thesis of Mounir El Bouyoussfi entitled "Evaluation de la FT-ICR-MS dans le domaine des peptides. Combinaison dégradation enzymatique-MS pour la détermination de la structure des peptides." (promoters: Prof. D. Tourwé and Prof. G. Van Binst)
17 September 1997
University of Utrecht, The Netherlands, Department of Chemistry: thesis of Fija Lagerwerf entitled: "HPLC and MS: a powerful combination of flexible tools for the analysis of complex mixtures." (promoters: Prof. J Haverkamp and Dr. W. Heerma)
6 March 2003
Ghent University, Faculty of Pharmaceutical Sciences: thesis of Colette Fierens entitled: Isotoopdilutie-vloeistofchromatografie-massaspectrometrie referentiemeetprocedures voor de bepaling van thyroid- en peptidenhormonen in serum en urine. (promoter: Prof. L. Thienpont; co-promoter: Prof. A. P. De Leenheer)
19 September 2003
University of Leuven, Faculty of Pharmaceutical Sciences: thesis of Cindy Govaerts entitled: Impurity characterization of selected antibiotics by liquid chromatography/ion trap mass spectrometry. (promoter: Prof. A. Van Schepdael; co-promoter: Prof. J. Hoogmartens)
17 August 2004
Calcutta University, Division of Pharmaceutical and Fine Chemical Technology, University College of Science and Technology, India: thesis of Kesab Ghosh entitled: Search for possible non-steroidal antifertility principles from certain Indian medicinal plants. (promoter: Prof. T. K. Bhattacharya)
16 March 2005
Ghent University, Faculty of Pharmaceutical Sciences: thesis of An Willems entitled: Characterization of nucleotide DNA adducts and oligonucleotides using quadrupole time-of-flight mass spectrometry hyphenated to capillary liquid separation techniques (promoter: Prof. J. Van Bocxlaer; co-promoter: Prof. D. Deforce).
Internal jury member of doctoral theses:
1980: G. Broddin (Chemistry); P. Gillis (Pharmaceutical Sciences)
1982: T.D. Kalenda (Pharmaceutical Sciences)
1984: P. Bakana (Pharmaceutical Sciences)
1986: P.C. Rwangabo (Pharmaceutical Sciences)
1987: C. Peeters (Pharmaceutical Sciences); M.-A. Deschuytere (Chemistry)
1988: L. Kolaitis (Chemistry)
1990: I. Van Assche (Pharmaceutical Sciences); M.A. Baldé (Pharmaceutical Sciences);
E. Volckaerts (Chemistry)
1991: G. De Meyer (Pharmaceutical Sciences); J. Corthout (Pharmaceutical Sciences)
1993: I. Van Bogaert (Pharmaceutical Sciences)
1994: X.-F. Zhou (Chemistry); D. Leysen (Pharmaceutical Sciences)
1995: G. Momerency (Chemistry)
1996: M. Borloo (Pharmaceutical Sciences); J.-B. Sindambiwe (Pharmaceutical Sciences)
1997: H. Ndayikengurukije (Chemistry); C. Verbruggen (Pharmaceutical Sciences)
1998: R. Zamora (Pharmaceutical Sciences); K. Vanhoutte (Chemistry); F. Lemière (Chemistry)
1999: F. Liang (Medical Sciences)
2000: A. Pauwels (Pharmaceutical Sciences); S. Apers (Pharmaceutical Sciences); T.Piljac (Pharmaceutical Sciences); H. Ying (Pharmaceutical Sciences); G. Thonus (Pharmaceutical Sciences)
2002: A. Covaci (Chemistry); K. Amssoms (Pharmaceutical Sciences)
2003: J. Lenaerts (Chemistry); J. Embrechts (Chemistry); A.A. Shahat (Pharmaceutical Sciences)
2004: P. Van der Veken (Pharmaceutical Sciences); K. Van Campenhout (Biology)
2005: D. Jans (Pharmaceutical Sciences); J. Joossens (Pharmaceutical Sciences); C. Borges (Chemistry)
2006: L. Adriaensen (Chemistry); I. Brandt (Pharmaceutical Sciences)
Internal jury member of master theses:
1996: A.O. Olusula (Pharmaceutical Sciences)
1998: Z. Liu (Pharmaceutical Sciences); Y. Huang (Pharmaceutical Sciences)
Promoter or Co-promoter of Doctoral Theses
M.-C. Coene, 1983 (Pharmaceutical Sciences);
Characterization and pharmacodynamical evaluation of monohydroxy derivatives of arachidonic acid and linoleic acid, 2nd promoter: A.G. Herman
A. Duchateau, 1985 (Biochemistry);
Quantitative determination of serotonin and 5-hydroxyindole acetic acid in brain tissue using gas chromatography/mass spectrometry and high performance liquid chromatography with electrochemical detection .
L. Dillen, 1987 (Biochemistry); "Evaluation of parameters for assessing neuronal activity in cerebrospinal fluid after administration of ±2-antagonists and antidepressive therapy", 2nd promoter: W. De Potter.
J. Claereboudt, 1992 (Chemistry); "Desorption ionization and tandem mass spectrometry for the structural characterization of nonvolatile organic compounds of biomedical and synthetic interest", 2nd promoter: R. Gijbels.
Q. M. Li, 1994 (Pharmaceutical Sciences); "Development of mass spectrometric methods for the structural characterization of flavonoid glycosides".
S. Boel, 1994 (Chemistry); "Mass spectrometric characterization of neuropeptides isolated from chromaffin granules.
A. Van Cleempoel, 1997 (Chemistry); "Chromatographic and mass spectrometric determination of fullerenes and fullerene oxides", 2nd promoter: R. Gijbels.
X. Y. Zhang, 1997 (Pharmaceutical Sciences); "Isolation and mass spectrometric characterization of processing products of chromogranin A in chromaffin cells".
L. Nizigiyimana (Chemistry), 1999; "Study of the mechanism of high-energy collision-induced charge-remote fragmentation in fatty acid derivatives cationized with lithium".
Y. L. Ma (Pharmaceutical Sciences), 1999; "Development of mass spectrometric methods for the structural characterization of flavonoid glycosides and related natural products".
F. Cuyckens (Pharmaceutical Sciences), 2003;
Development and application of LC/MS and MS/MS methods for the structural characterization of flavonoid glycosides.
W. Wang (Pharmaceutical Sciences), 2005;
Characterization of isoprene oxidation products in atmospheric aerosols
I. Kourtchev (Chemistry), 2008;
Polar organic marker compounds in atmospheric aerosols: Determination, time series, size distributions and sources; 2nd promoter: W. Maenhaut (UGent)
Promoter or Supervisor of Other Theses
Licentiate theses: F. Vangaever (UGent; organic chemistry; 1974); A. Duchateau (UIA; biochemistry; 1979); L. Dillen (UIA; biochemistry; 1982)
Theses of students from Don Bosco Technical High School, Hoboken:
- graduate clinical chemistry: 5 students
- industrial chemistry: 1 student
Theses of last year students UA, pharmaceutical sciences (research practicum): 2 students.
Supervision of Foreign Researchers (postdoctoral or master level)
1.01.1998 30.09.1999; Dr. Alena Kubátová; Prague, Czech Republic, National Academy of Sciences, Institute for Microbiology; visiting postdoctoral fellow, supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe (12 months) and a UA-BOF visiting postdoctoral fellowship (9 months); research project: Characterization of the organic fraction of atmospheric aerosols by the use of mass spectrometric methods.
1.03.1998 28.02.1999; Dr. Chagit Denekamp; Haifa, Israel, Technion, Israel Institute of Technology; visiting postdoctoral fellow supported with a FWO fellowship; research project: Mechanistic mass spectrometric investigation of the charge-remote fragmentation reactions of n-alkyltriphenylphosphonium cations.
1.02.1999 31.01.2000; Dr. Valery Voinov; Vladivostok, Russia, Russian Academy of Sciences Far East Branch, Pacific Institute of Bioorganic Chemistry; visiting postdoctoral fellow, supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe; research project: Characterization of the organic fraction of tropical atmospheric aerosols by the use of mass spectrometric methods.
18.09.1999 17.09.2001; Dr. Zbynek Zdráhal; Brno, Czech republic, National Academy of Sciences, Institute of Analytical Chemistry; visiting postdoctoral fellow, supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe (12 months) and a FWO fellowship (12 months); research project: Development of methods for the determination of semi-volatile organic compounds in atmospheric aerosols with special emphasis on dicarboxylic acids.
15.08.200 14.11.2000; Dr. Valery Voinov; Vladivostok, Russia, Russian Academy of Sciences Far East Branch, Pacific Institute of Bioorganic Chemistry; visiting postdoctoral fellow, supported with a NATO research fellowship; research project: Resonant electron capture mass spectrometry of fatty acids.
15.10.2000 14.10.2001; Dr. Jozsef Jekö; Debrecen, Hungary, University of Debrecen, Department of Chemistry; visiting postdoctoral fellow, supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe; research project: Development of mass spectrometric methods for the determination of polar organic compounds in atmospheric aerosols with special emphasis on dicarboxylic acids and humic-like substances.
1.02.2001 31.10.2001; Dr. Valery Voinov; Vladivostok, Russia, Russia, Russian Academy of Sciences Far East Branch, Pacific Institute of Bioorganic Chemistry; visiting postdoctoral fellow, supported with a UA-BOF visiting postdoctoral fellowship (6 months); research project: Resonant electron capture mass spectrometry of fatty acids.
1.10.2001 30.09.2003; Dr. Vlada Pashynska; Kharkov, Ukraine, National Academy of Sciences, Institute for Low Temperature Physics and Engineering; visiting postdoctoral fellow, supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe (12 months) and a UA-BOF fellowship (12 months); research project: Development of methods for characterisation of organic aerosols based on gas chromatography/ion trap mass spectrometry. Application to biomass burning aerosols.
1.10.2001 30.09.2003; Dr. Gyorgy Vas; Budapest, Hungary, National Academy of Sciences, Institute for Chemistry; visiting postdoctoral fellow, supported through the UA-BOF project Development of analytical methods for water-soluble organic compounds in atmospheric aerosols.
1.11.2001 31.10.2005; M.Sc. Wu Wang; Guangzhou, P.R. China; First Military University; supported with a fellowship from the Flemish Government (12 months); for the remaining period supported through the project Characterization and sources of carbonaceous atmospheric aerosols financed by the Federal Science Policy Office and through the SMOCC project financed by the EU Commission.
1.10.2003 30.09.2004; Dr. Alina C. Ion; Bucharest, Romenia, Polytechnical University of Bucharest, Department of Analytical Chemistry; visiting postdoctoral fellow, supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe; research project: Development of mass spectrometric methods for the determination of polar organic compounds in atmospheric aerosols
15.10.2003 14.11.2004: M.Sc. Ting Zhang; Beijing, P.R. China, Sino-Japan Friendship Center for Environmental Protection; visiting researcher, supported with a fellowship from the Flemish Government; research project: Determination of levoglucosan: a marker for biomass burning in urban aerosols from Beijing, P. R. China.
1.10.2005 30.09.2008: Dr. Rafal Szmigielski, Warsawa, Poland, National Academy of Sciences, Institute of Organic Chemistry; visiting researcher, for the period 1.10.2005 30.09.2006 supported with a SPO fellowship - Bilateral R&D Cooperation Belgium Central- and Eastern Europe; research project: Characterisation and sources of carbonaceous atmospheric aerosols ; for the period 1.10.2006-30.09.2008 supported with a Marie Curie Intra-European fellowship; research project: Characterization of secondary organic aerosol from photooxidation of isoprene and alpha-pinene with mass spectrometric approaches (SOAMASS).
1.02.2006 - : M.Sc. Yadian Gómez González; Habana, Cuba, Centro de Investigacion y Desarrollo de Medicamentos (CIDEM); visiting researcher, for the period 1.02.2006 30.09.2006 supported through the BIOSOL project; since 1.10.2006 supported through the UA-BOF interdisciplinary doctoral project Formation of biogenic and bio-aerosols by terrestrial vegetation.
Organization of Scientific Meetings
2nd International Symposium on Quantitative Mass Spectrometry in Life Sciences, R.U.G., Gent, 13 16 June 1978, member of the organizing committee.
3rd International Symposium on Quantitative Mass Spectrometry in Life Sciences, R.U.G., Gent, 10 13 June 1980, member of the organizing committee.
4th International Symposium on Quantitative Mass Spectrometry in Life Sciences, R.U.G., Gent, 11 14 May 1982, member of the organizing committee.
5th International Symposium on Mass Spectrometry in Life Sciences, R.U.G., Gent, 15 18 May 1984, member of the organizing committee.
6th International Symposium on Mass Spectrometry in Life Sciences, R.U.G., Gent, 31 August 3 September 1986, member of the organizing committee.
7th International Symposium on Mass Spectrometry in Life Sciences, R.U.G., Gent, 23 26 August 1988, member of the organizing committee.
3rd International Symposium on Drug Analysis, U.I.A., Antwerpen, 16 19 May 1989, member of the local organizing committee in charge of the organization of the technical exhibition.
8th International Symposium on Mass Spectrometry in Life Sciences, R.U.G., Gent, 19 22 August 1990, member of the organizing committee.
3rd International Symposium on Applied Mass Spectrometry in the Health Sciences - 3rd European Tandem Mass Spectrometry Conference, Barcelona, Spain, 9 13 July 1995, member of the international organizing committee.
Symposium on "Mass Spectrometry of Biomolecules", University of Antwerp, Belgium, May 8, 1995, organizer.
1st Annual Meeting of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, Belgium, September 13, 1996, member of the scientific committee.
2nd Annual Meeting of the Belgian Society for Mass Spectrometry, Beerse, Belgium, September 11, 1997, member of the scientific and local organizing committee.
3rd Annual Meeting of the Belgian Society for Mass Spectrometry, Mons, Belgium, September 11, 1998, member of the scientific and local organizing committee.
4th Annual Meeting of the Belgian Society for Mass Spectrometry, Leuven, Belgium, September 9-10, 1999, member of the scientific and local organizing committee.
Workshop on "Ion Trap Mass Spectrometry" of the Belgian Society for Mass Spectrometry, Gent , Belgium, October 13, 1999, member of the scientific and local organizing committee.
Informal Workshop of the UA Centre for Mass Spectrometry on Biomolecular and Organic Mass Spectrometry, UIA, Antwerp, 10 December, 1999, organizer.
2nd Joint Meeting of the Belgiam and Dutch Societies for Mass Spectrometry on Crossing Borders in Mass Spectrometry, Antwerp, Belgium, 5 April, 2000, member of the scientific and local organizing committee.
15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September, 2000, member of the international scientific committee.
5th Annual Meeting of the Belgian Society for Mass Spectrometry on "Mass Spectrometry in Pharmaceutical Analysis", UCB Pharma, Braine-l'Alleud, 22 September, 2000, member of the scientific and local organizing committee.
Workshop on Physico chemical Characterization, Source Identification, and Transboundary Transport of Atmospheric Aerosols over Southern Africa (organized in the frame of a bilateral project with South Africa), Antwerp, Belgium, 23 May, 2001, local organizer.
Workshop on PCB Analysis using Mass Spectrometry (organized in the frame of doctoral training), University of Antwerp (UIA), 8 June, 2001, organizer.
6th Annual Meeting of the Belgian Society for Mass Spectrometry, Liège, 21 September, 2001, chairwoman, local organizer.
Research Day of the Department of Pharmaceutical Sciences, University of Antwerp, 29 May 2002 (organized within the frame of the doctoral training program), co-organizer.
7th Annual Meeting of the Belgian Society for Mass Spectrometry, Ghent, 2 September 2002, chairwoman, local organizer.
21th Informal Meeting on Mass Spectrometry, Antwerp, 11 15 May 2003, chairwoman, local organizer.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003, member of the international scientific committee.
Workshops Long Distance Transported Dust Storm Particles: Chemical Speciation, Classification and Source Region Characterization (organized within the frame of a bilateral project Flanders China) and Urban and Rural Carbonaceous Aerosols in Flanders and Hungary: Characterization, Source Identification and Apportionment, and Chemical Mass Closure (organized within the frame of a bilateral project Flanders Hungary), Antwerp, Belgium, 9-10 November 2004; co-organizer.
2nd Research Day of the Department of Pharmaceutical Sciences, University of Antwerp, 20 May 2002 (organized within the frame of the doctoral training program), co-organizer.
European Aerosol Conference 2005 (EAC2005), Gent, Belgium, 28 August 2 September 2005, member of the organizing committee.
3nd Research Day of the Department of Pharmaceutical Sciences, University of Antwerp, 5 May 2002 (organized within the frame of the doctoral training program), co-organizer.
17th International Mass Spectrometry Conference (17th IMSC), Prague, Czech Republic, 27 August 1 September 2006, member of the international scientific committee.
Annual Meeting of the Belgian Society for Mass Spectrometry, Leuven, 16 February 2007, member of the scientific committee.
Invited Lectures and Seminars
24 October 1975, The Abbott Research Laboratories, North Chicago, Illinois, U.S.A. Invited by Dr. M. Levenberg for a seminar: "Measurement of tricyclic antidepressants in patients with primary affective disorders".
March 1976, The John Hopkins University School of Medicine, Dept. of Pharmacology and Experimental Therapeutics, Baltimore, Maryland, U.S.A. Invited by Prof. C. Fenselau for a seminar: "Measurement of tricyclic antidepressants in patients with primary affective disorders".
November 1976, Vergadering van de Werkgroep Massaspectrometrie van de Koninklijke Nederlandse Chemische Vereniging, Oss, The Netherlands. Invited by Dr. J. De Ridder for a lecture: "Statistische beschouwingen bij de verwerking van isotoopdilutiegegevens".
May 1978, Internationaal Symposium over Scheidingsmethoden in de Farmaceutische Analyse, Universitaire Instelling Antwerpen. Invited by Prof. F. Adams for a lecture: "Biochemische en biomedische toepassingen van massafragmentografie".
27 29 March 1979, 1ste Symposium over Gaschromatografie Massaspectrometrie in de Klinische Chemie, Paterswolde, The Netherlands. Invited by Prof. Groen for a lecture: "Klinische applicaties in massaspectrometrie. Meting van imipramine en desipramine en van prostaglandinen in biologisch materiaal".
6 November 1979, Finnigan Users meeting, Brussel, Belgium. Invited by Mr. J. Laurier for a lecture: "Kwantitatieve toepassingen van GC/MS in de biomedische analyse".
15 16 November 1979, Workshop on "Prostaglandins, prostacyclin and thromboxanes measurement. Methodological problems and Chemical prospects", Nivelles, Belgium. Uitgenodigd door Dr. J.M. Boeynaems for a lecture: "Measurement of 6 oxo PGF1± in biological fluids".
14 April 1983, Academisch Ziekenhuis Groningen, Centraal Klinisch Chemisch Laboratorium, The Netherlands. Invited by Prof. Van Der Slik for a lecture: "Onderzoek van de lipoxygenase metabolieten van arachidonzuur en linolzuur".
13 14 October 1983, 2de Symposium over Gaschromatografie Massaspectrometrie in de Klinische Chemie, Paterswolde, The Netherlands. Invited by Prof. Van Der Slik for a lecture: "Onderzoek van de lipoxygenase metabolieten van arachidonzuur en linolzuur".
2 6 April 1984, Workshop and course on "Phospholipids, phospholipases, eicosanoids and their biological functions", University of Fribourg, Switzerland. Invited by Prof. P. Zahler for a tutorial lecture: "GC/MS of fatty acid derivatives".
14 16 May 1987, International Symposium on medicinal plants' chemistry, Izmir, Turkije. Invited by Prof. T. Gózler and Prof. A. Özer for a keynote lecture: "Mass spectrometry in the structure elucidation of natural products".
2 7 July 1989, 19th Meeting of the Federation of the European Biochemical Societies, Rome, Italy. Invited by Prof. D. Cavallini and Dr. G.A. Veldink for a keynote lecture: "Lipoxygenase metabolism of polyunsaturated fatty acids in polymorphonuclear leukocytes".
17 20 April 1990, 2nd International Symposium on Applied Mass Spectrometry in the Health Sciences, Barcelona, Spain. Invited by Prof. E. Gelpi for a lecture: "Tandem mass spectrometry for the characterization and sensitive analysis of deoxynucleosides and derivatives desorbed by fast atom bombardment".
3 5 June 1991, Budapest 91: Informal Meeting on Mass Spectrometry, Budapest, Hongarije. Invited by Prof. J. Tamasz for a keynote lecture: "Mass spectrometric identification of novel chromaffin neuropeptides".
11 December 1991, Vergadering Nederlandse Vereniging voor Massaspectrometrie, Amsterdam, The Netherlands. Invited by Dr. M. C. ten Noever de Brauw for a lecture: "Massaspectrometrische karakterisatie van nieuwe chromaffiencelneuropeptiden".
13-16 September 1992, Annual Meeting of the British Mass Spectrometry Society, St. Andrews, Scotland, U.K. Invited by Dr. C. Johnson for a plenary lecture: "Mass spectral approaches to the study of neuropeptides".
29 August - 2 September 1994, 13th International Mass Spectrometry Conference, Budapest, Hungary. Invited by Prof. I. Cornides for a keynote lecture: "New developments in the mass spectrometry of nucleic acids and nucleotides".
28-30 March 1995, Joint Meeting of the Phytochemical Society of Europe and the British Mass Spectrometry Society on "Applications of Modern Mass Spectrometric Methods to Plant Science Research", Swansea, U.K. Invited by Drs. R.P. Newton and T.J. Walton for a keynote lecture: "Mass spectrometric analysis of flavonoids and flavonoid glycosides".
25-29 April 1995, Meeting of the Italian Mass Spectrometry Society on "Mass Spectrometry and Cultural Heritage", Palermo, Sicily, Italy. Invited by Prof. L. Ceraulo and Prof. F. De Angelis for a plenary lecture: "Mass spectrometry in medicinal plant research".
9-13 July 1995, 3rd International Symposium on Applied Mass Spectrometry in the Health Sciences and 3rd European Tandem Mass Spectrometry Conference, Barcelona, Spain. Invited by Profs. E. Gelpi, P. Derrick and S. Gaskell for a lecture: "Analysis of flavonoid glycosides and their aglycones by high- and low-energy collision-induced dissociation tandem mass spectrometry".
7-18 August 1995, NATO Advanced Study Institute on "Fundamentals and Applications of Gas-Phase Ion Chemistry", Grainau, Germany. Invited by Prof. K. Jennings and Prof. N. Nibbering for 2 tutorial lectures: "Mass Spectrometry in the Structure Determination of Flavonoid Glycosides"; "Mass Spectrometry in the Structure Determination of Long-Chain Fatty Acid Derivatives".
5-7 December 1995, Meeting of the Portugese Mass Spectrometry Society (a working group of the Portugese Chemical Society), Lisbon, Portugal. Invited by Prof. M.A. Almoster Ferreira for a plenary lecture: "Mass Spectrometry in the Structure Determination of Long-Chain Fatty Acid Derivatives".
15-17 April 1996, 14th Informal Meeting on Mass Spectrometry, Padua, Italy. Invited by Prof. P. Traldi for a plenary lecture: "Mass Spectrometry in the structure determination of long-chain fatty acid derivatives".
22 November 1996, Institüt für Physikalische Chemie, University of Bonn, Germany. Invited by Prof. F. Röllgen for a seminar: "New insights in the mechanisms of charge-remote fragmentation in long-chain fatty acid molecule ions".
12-16 May 1997, 15th Informal Meeting on Mass Spectrometry, Smolinice, Slovak Republic, invited by Dr. V. Kovacik for a plenary lecture:
"New Insights in the Mechanisms of Charge-Remote Fragmentation at Low- and High-Energy Collisionally-Induced Dissociation."
14 July 1997, Department of Chemistry, University of Konstanz, Germany, invited by Prof. M. Przybylski for a lecture: "Structure Characterization of Chromogranin A, a Multifunctional Protein and its Processing Products by Mass Spectrometry."
6 March 1998, Symposium in honour of Prof. Dr. M.A. Almoster-Ferreira, University of Lisbon, Portugal, invited by Dr. C.A. Borges for a plenary lecture:
Charge-Remote Fragmentation: A Mechanistic Puzzle."
4-6 May 1998, 16th Informal Meeting on Mass Spectrometry, Budapest, Hungary, invited by Dr. K. Vekey for a plenary lecture:
"Structure Characterization of Chromogranin A, a Multifunctional Protein, and its Processing Products, by Mass Spectrometry."
9 November 1999, National Research Center for Environmental Analysis and Measurements, Beijing, P.R. China, invited by Dr. Xiande Liu for two lectures on :
" Characterization of Organic Compounds in Urban and Tropical Atmospheric Aerosols."
5 May 2000, Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic, invited by Dr. Z. Zdráhal for a lecture on:
" Characterization of Organic Compounds in Urban and Tropical Atmospheric Aerosols."
4 7 March 2001, International Symposium on Low Energy Electron-Molecule Interactions, LEEMI 2001, Going, Tirol, Austria, invited by Prof. T. Märk for a keynote lecture:
Charge-remote fragmentation of fatty acids in resonance electron capture.
29 April 3 May 2001, 19th Informal Meeting on Mass Spectrometry, Noszvaj, Hungary, invited by Dr. K. Vekey for a keynote lecture:
Mass spectrometric investigations on flavonoid glycosides and related plant secondary metabolites.
9 12 September 2001, 25th Annual Meeting of the British Mass Spectrometry Society, Southampton, UK, invited by Prof. J. Monaghan for the A. Maccoll Lecture (1st plenary):
Mass spectrometric characterization of plant glycoconjugates, fatty acids and haeme-drug complexes.
17 October 2001, National Research Center for Environmental Analysis and Measurements, Beijing, P.R. China, invited by Dr. Xiande Liu for a lecture:
Characterization and sources of atmospheric carbonaceous aerosols.
18 20 October 2001, 9th Beijing Conference and Exhibition on Instrumental Analysis, Beijing, P.R. China, invited by Prof. M. Zhao for a plenary lecture:
Mass spectrometry in the structural study of flavonoids and related plant natural products.
2 7 May 2004, Gordon Research Conference on Biogenic Hydrocarbons and the Atmosphere, Il Ciocco, Italy, invited by Dr. A. Guenther for a lecture:
Secondary organic aerosols: field observations versus chamber experiments.
26 27 May 2005, ACCENT Workshop Constituents of Organic Aerosols, Oslo, Norway, invited by Dr. C. Dye and Prof. H. Puxbaum for a lecture: Secondary organic marker compounds for photo-oxidation of biogenic VOCs.
15 17 August 2005, iLEAPS, IGAC, SOLAS and ACCENT Workshop Formation and Growth of Secondary Atmospheric Aerosols, Hyytiälä, Finland, invited by Prof. M. Kulmala for a lecture: Secondary aerosol formation from isoprene: results from field and laboratory experiments.
14 18 May 2006, 24th Informal Meeting on Mass Spectrometry, Ustrón, Poland, invited by Prof. W. Danikiewicz for a plenary lecture: Characterisation of secondary organic aerosol from photo-oxidation of isoprene: a review of field and chamber studies.
28 30 November 2006, VOCBAS-ISONET Short Course on Stable Isotopes, Plant VOCs and Secondary Organic Aerosols in Biosphere-Atmosphere Carbon Exchange, Kuopio, Finland, invited by Prof. J. Holopainen for a tutorial lecture: Composition of atmospheric aerosols and secondary organic aerosol formation.
27 January 1 February 2007, 3rd International Conference on Proton-Transfer Reaction Mass Spectrometry and Its Applications, Obergurgl, Austria, invited by Prof. A. Hansel for a lecture: Secondary organic aerosol formation from isoprene: results from laboratory and field experiments.
Articles in Proceedings of International Conferences and Chapters in Books
(abstracts excluded)
M. Claeys, G. Muscettola, F.K. Goodwin and S.P. Markey. Simultaneous measurement of plasma levels of imipramine and desipramine in patients with primary affective disorders. in E.R. Klein and P.D. Klein (Eds.), Proc. 2nd Int. Conf. on Stable Isotopes, October 20 23, 1975, Oak Brook, Ill., U.S.A., National Technical Information Service, U.S. Dept. of Commerce, Springfield, VA, pp. 198 207.
M. Claeys, G. Muscettola, F.K. Goodwin and S.P. Markey. Measurement of imipramine and desipramine in plasma, cerebrospinal fluid and saliva of patients with primary affective disorders. in A.P. De Leenheer and R.R. Roncucci (Eds.), Proc. 1st. Int. Symp. Quantitative Mass Spectrometry in Life Sciences, Gent, Belgium, June 16 18, 1976, Elsevier, Amsterdam, 1977, pp. 107 120.
M. Claeys, E. Messens, M. Van Montagu and J. Schell. Quantitative determination of cytokinins in culture media of Agrobacterium Tumefaciens. in A.P. De Leenheer, R.R. Roncucci and C. Van Peteghem (Eds.), Proc. 2nd Int. Symp. Quantitative Mass Spectrometry in Life Sciences, Gent, Belgium, June 13 16, 1978, Elsevier, Amsterdam, 1978, pp. 409 418.
M. Vandewalle, M. Claeys, D. De Keukeleire, H. De Wilde, R. Myngheer, D. Termont, M. Van Audenhove, F. Verzele and W. Wijffels. Bicyclo(3,2,0)heptan 2 ones; a photochemical route to prostanoid synthons. in S.M. Roberts and F. Scheinmann (Eds.), Proc. Int. Symp. on the Chemistry and Biochemistry of Prostanoids, Salford, U.K., July 10 14, 1978, Pergamon Press, Oxford, 1979, pp. 149 160.
M. Claeys, C. Van Hove, A. Duchateau and A.G. Herman. GC/MS measurement of 6 oxo PGF1± in biological fluids. in J.M. Boeynaems and A.G. Herman (Eds.), Prostaglandins, Prostacyclin, and Thromboxanes Measurement, Proceedings NATO Workshop, Nivelles, Belgium, November 15 16, 1979, Martinus Nijhoff, The Hague, The Netherlands, 1980, pp. 105 122.
E. Wechsung, M. Claeys, A.G. Herman and A. Houvenaghel. Metabolism of arachidonic acid by the reproductive tract of the hen in the absence and presence of indomethacin. in G. Pethes, P. Peczely and P. Rudas (Eds.), Adv. Physiol. Sci. vol. 33, Recent Advances of Avian Endocrinology, Proc. 28th International Congress of Physiological Sciences, Budapest, Hungary, 1980, Pergamon Press, 1980, pp. 169 176.
J.R. Beetens, M. Claeys and A.G. Herman. Enhanced formation of 6 oxo PGF1± by ram seminal vesicle microsomes in the presence of antioxidants. Proc. Golden Jubilee International Congress on Essential Fatty Acids and Prostaglandins, Minneapolis, Minnesota, U.S.A., 5 7 May 1980, Progr. Lipid Res., 20, 291 294 (1981).
M. Claeys, E. Wechsung, A.G. Herman and A. Houvenaghel. Metabolism of arachidonic acid by the reproductive tract of the hen. Proc. Golden Jubilee International Congress on Essential Fatty Acids and Prostaglandins, Minneapolis, Minnesota, U.S.A., 5 7 May 1980, Progr. Lipid Res. 20, 269 274 (1981).
M. Claeys, M. C. Coene, A.G. Herman, M. Van der Planken, G.H. Jouvenaz and D.H. Nugteren. 15 Hydroxy 5,8,11,13 eicosatetraenoic acid (15 HETE) formation by rabbit peritoneal tissue. in F. Russo-Marie, B.B. Vargaftig and J. Benveniste (Eds.), Proc. 3rd European Workshop on Inflammation, Paris, France, 2 3 March 1981, Pharmacology of inflammation and allergy, INSERM, 1981, vol. 100, pp. 197 202.
M. C. Coene, M. Claeys and A.G. Herman. The metabolism of arachidonic and linoleic acid in rabbit peritoneal tissue : a short review. Proc. Symposium on the Pathophysiology and Treatment of Asthma and Arthritis, Rotterdam, The Netherlands, 14 15 October 1982, Agents and Actions 14, 227 235 (1984).
M. Claeys, L. Üstünes, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Characterization of prostaglandin E like activity isolated from a plant source (Allium cepa). Proc. 2nd International Congress on Essential Fatty Acids and their Eicosanoids, London, U.K., 24 27 March 1985, Progr. Lipid Res. 25, 53 58 (1986).
M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Lipoxygenase metabolism of linoleic acid by porcine neutrophils. Proc. 2nd International Congress on Essential Fatty Acids and their Eicosanoids, London, U.K., 24 27 March 1985, Progr. Lipid Res. 25, 59 65 (1986).
J. Claereboudt, L. Van Vaeck, W. Baeten, M. Claeys, H. Geise and R. Gijbels. On the use of LAMMA to monitor the Wittig Synthesis. Proc. 3rd International Laser Microprobe Mass Spectrometry Workshop, Antwerpen, Belgium, 26 27 August 1986, 1986, pp. 35 43.
H. Bult, M. C. Coene, M. Claeys, G.M. Laekeman and A.G. Herman. Hydroxy and hydroperoxy derivatives of linoleic and arachidonic acid suppress the activation of rabbit blood platelets. in : B. Samuelsson, R. Paoletti and P.W. Ramwell (Eds.), Advances in Prostaglandin, Thromboxane and Leukotriene Research, vol. 17, Proc. 6th International Conference on Prostaglandins and Related Compounds, Florence, Italy, 3 6 June 1986, Raven Press, N.Y., 1987, pp. 224 228.
M. Claeys, L. Dillen and E. Esmans. New developments in the mass spectrometry of nucleic acids and their constituents. in: Advances in Mass Spectrometry, volume 13, Proc. 13th International Mass Spectrometry Conference, Budapest, Hungary, 29 August - 2 September 1994, (eds. I. Cornides, Gy. Horváth and K. Vékey) Wiley, 1995, pp. 521-536.
L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Characterization of 1- and 2-monoacyl glycerides by fast atom bombardment, collision-induced dissociation and tandem mass spectrometry. in: Proc. 3rd International Symposium on Applied Mass Spectrometry in the Health Sciences and 3rd European Tandem Mass Spectrometry Conference, Barcelona, Spain, 9-13 July 1995, J. Mass Spectrom. and Rapid Commun. Mass Spectrom. S19-S28 (1995).
M. Claeys, Q.M. Li, H. Van den Heuvel and L. Dillen. Mass spectrometric studies on flavonoid glycosides. in: Applications of modern mass spectrometry in plant science research, (eds. R.P. Newton and T.J. Walton) Oxford University Press, 1996, pp. 182-194.
A. Van Cleempoel, R. Gijbels, H. Van den Heuvel and M. Claeys. Analysis of C60 and C70 oxides by HPLC and low- and high-energy collision-induced dissocation tandem mass spectrometry. in: Proceedings Symposium on Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials, 191th Meeting of the Electrochemical Society, Montreal, Canada, 4-9 May 1997 (Ed. Kadish K.M.), 4, 1997, pp. 783-800.
M. Claeys, L. Nizigiyimana and H. Van den Heuvel. Mechanistic aspects of charge-remote fragmentation in saturated and unsaturated fatty acid derivatives. in: Advances in Mass Spectrometry, volume 14, (eds. E.J. Karjalainen, A.E. Hesso, J.E. Jalonen, U.P. Karjalainen) Elsevier, Amsterdam, 1998, ORAL A06 TUOR10 (CD ROM).
M. Claeys, L. Nizigiyimana and H. Van den Heuvel. Mass spectrometry in the structure determination of long-chain fatty acid derivatives. in: Fundamentals and Applications of Gas Phase Ion Chemistry (Ed. K.R. Jennings), Kluwer, The Netherlands, 1999, pp. 149-163.
M. Claeys. Mass spectrometry in studies of flavonoid glycosides. in: Fundamentals and Applications of Gas Phase Ion Chemistry (Ed. K.R. Jennings), Kluwer, The Netherlands, 1999, pp. 165-179.
M. Claeys, R. Vermeylen, A. Kubátová, J. Cafmeyer and W. Maenhaut. Characterisation of organic compounds in atmospheric aerosols. in: Proceedings of Eurotrac Symposium '98 (Eds. P.M. Borrell and P. Borrell), WITpress, Southampton, U.K., 1999, pp. 502-505.
M. Claeys and J. Claereboudt. Fast atom bombardment ionization. in: Encyclopedia of Spectroscopy and Spectrometry (Eds. J.C. Lindon, G.E. Tranter and J.L. Holmes), Academic Press, London, U.K., 2000, pp. 505-512.
A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut. Characterisation of novel dicarboxylic acids and related compounds in urban atmospheric aerosols. Proceedings of EUROTRAC 2 Symposium 2000, Transport and Chemical Transformation in the Troposphere (Eds. P.M. Midgley, M. Reuther and M. Williams), Springer-Verlag, Berlin Heidelberg, 2001, CD Rom.
W. Maenhaut and M. Claeys.
Development and implementation of methods for obtaining chemical mass closure for fine and size-fractionated aerosols.
Transport and Chemical Transformation in the Troposphere. Proceedings of the EUROTRAC 2 Symposium 2002, Garmisch-Partenkirchen, Germany, 11-15 March 2002, Edited by P.M. Midgley and M. Reuther, Margraf Verlag, Weikersheim (2002) 4 pages (published on CD rom) (ISBN: 3 8236-1385-5).
M. Claeys, W. Wang, I. Kourtchev and W. Maenhaut.
Secondary aerosol formation from isoprene: results from field and laboratory experiments.
Formation and Growth of Secondary Atmospheric Aerosols, A joint ACCENT-BACCI-iLEAPS-IGAC-SOLAS workshop, 15-17 August 2005, Hyytiälä, Finland, Editors: M. Kulmala and T. Petäjä, Finnish Association for Aerosol Research, Report Series in Aerosol Science, No. 80 (2006) p. 31-35. (ISSN: 0784-3496; ISBN: 952-5027-67-8).
Articles in International Journals
(abstracts excluded)
E. Cant, M. Maenhaut Claeys, M. Francque and M. Vandewalle. Studies in Organic Mass Spectrometry XVII. The fragmentation of methyl enol ethers of 1,3 cyclohexanediones and 1,3 cyclopentanediones. Bull. Soc. Chim. Belges 83, 93 103 (1974).
M. Claeys, M. Verzele, M. Vandewalle, J. Leysen and P. Laduron. Studies in Organic Mass Spectrometry XV. Mass fragmentographic identification of epinine in adrenal medulla and as a product of an in vitro enzymatic methylation. Biomed. Mass Spectrom. 1, 103 108 (1974).
M. Maenhaut Claeys and M. Vandewalle. Studies in Organic Mass Spectrometry XIX. The fragmentation of the trimethylsilyl derivatives of some 2,3 diakyl 1,4 cyclopentanediols. Bull. Soc. Chim. Belges 83, 343 355 (1974).
M. Maenhaut Claeys, P. De Clercq and M. Vandewalle. Studies in Organic Mass Spectrometry XX. Stereospecificity in hydrogen transfer reactions in mass spectra of TMS derivates of some 2,3 dialkyl-1,4 cyclopentanediols. Org. Mass Spectrom. 9, 1182 1187 (1974).
P. Laduron, P. Van Gompel, J. Leysen and M. Claeys. In vivo formation of epinine in adrenal medulla: a possible step for adrenaline biosynthesis. Naunyn-Schmiedeberg's Arch. Pharmacol. 286, 227 238 (1974).
W. Lauwers, J. Leysen, H. Verhoeven, P. Laduron and M. Claeys. Identification of alkaloids. The condensation products of biogenic amines with formaldehyde, enzymatically formed from 5 methyltetrahydrofolic acid. Biomed. Mass Spectrom. 2, 15 22 (1975).
M. Claeys, G. Muscettola and S.P. Markey. Simultaneous measurement of imipramine and desipramine by selected ion recording with deuterated internal standards. Biomed. Mass Spectrom. 3, 110 116 (1976).
M. Claeys, S.P. Markey and W. Maenhaut. Variance analysis of error in selected ion monitoring assays using various internal standards. A practical study case. Biomed. Mass Spectrom. 4, 122 128 (1977).
M. Claeys and D. Van Haver. Conformational effects in the chemical ionization spectra of derivatives of isomeric 2,3 dimethyl-1,4 cyclopentanediols. Org. Mass Spectrom. 12, 531 535 (1977).
D. Termont, F. Van Gaever, D. De Keukeleire, M. Claeys and M. Vandewalle. Differentiation between regio and stereoisomers of bicyclo(3,2,0)heptanone 2 derivatives by chemical ionization mass spectrometry. Tetrahedron 33, 2433 2435 (1977).
M. Claeys, E. Messens, M. Van Montagu and J. Schell. GC/MS determination of cytokinins in Agrobacterium tumefaciens cultures. Fresenius Z. Anal. Chem. 290, 125 126 (1978).
M. T. Rosseel, M.G. Bogaert and M. Claeys. Quantitative GLC determination of the cis and trans isomers of doxepin and desmethyldoxepin in human plasma. Fresenius Z. Anal. Chem. 290, 158 (1978).
M. Claeys, H. Matveeva, A. Devreese, D. Termont and M. Vandewalle. Regio and stereochemical effects in the chemical ionization mass spectra of isomeric bicyclo(3,2,0)heptan 2 one trimethylsiloxy derivatives. Bull. Soc. Chim. Belges 87, 375 388 (1978).
M. Van Audenhove, D. Termont, D. De Keukeleire, M. Vandewalle and M. Claeys. Regioselectivity in ((2 + (2) photocycloaddition reactions between cyclopent 2 enones and 8 oxysubstituted acrylates. Tetrahedron Lett. 23, 2057 2060 (1978).
G. Muscettola, F.K. Goodwin, W.Z. Potter, M. Claeys and S.P. Markey. Imipramine and desipramine in plasma and spinal fluid. Relationship to clinical response and serotonin metabolism. Arch. Gen. Psychiatry 35, 621 625 (1978).
M.T. Rosseel, M.G. Bogaert and M. Claeys. Quantitative determination of the cis and trans isomers of doxepin and desmethyldoxepin by GLC. J. Pharm. Sci. 67, 802 805 (1978).
A.G. Herman, M. Claeys, S. Moncada and J.R. Vane. Biosynthesis of prostacyclin (PGI2) and 12L hydroxy 5,8,10,14 eicosatetraenoic acid (HETE) by pericardium, pleura, peritoneum and aorta of the rabbit. Prostaglandins 18, 439 452 (1979).
M. Claeys, M. Van Audenhove and M. Vandewalle. Evidence for the occurrence of an oxygen to oxygen acyl shift in 7 acetoxy(3,2,0)heptan-2 ones upon chemical ionization mass spectrometry. Bull. Soc. Chim. Belges 88, 799 805 (1979).
M. Claeys, C. Van Hove, A. Duchateau and A.G. Herman. Quantitative determination of 6 oxo PGF1( in biological fluids by gas chromatography mass spectrometry. Biomed. Mass Spectrom. 7, 544 548 (1980).
M. Claeys, E. Wechsung, A.G. Herman and D.H. Nugteren. Lack of prostacyclin biosynthesis by aortic tissue of the chicken. Prostaglandins 21, 739 749 (1981).
J.R. Beetens, M. Claeys and A.G. Herman. Antioxidants increase the formation of 6 oxo PGF1( by ram seminal vesicle microsomes. Biochem. Pharmacol. 30, 2811 2815 (1981).
M. Claeys, M. C. Coene, A.G. Herman, M. Van der Planken, G.H. Jouvenaz and D.H. Nugteren. 15 Hydroxy 5,8,11,13 eicosatetraenoic acid (15 HETE) formation by rabbit peritoneal tissue. Agents and Actions 11, 589 591 (1981).
M. C. Coene, C. Van Hove, M. Claeys and A.G. Herman. Arachidonic acid metabolism by cultured mesothelial cells. Different transformations of exogenously added and endogenously released substrate. Biochem. Biophys. Acta 710, 437 445 (1982).
M. Claeys, M. C. Coene, A.G. Herman, G.H. Jouvenaz and D.H. Nugteren. Characterization of monohydroxylated lipoxygenase metabolites of arachidonic and linoleic acid in rabbit peritoneal tissue. Biochem. Biophys. Acta 713, 160 169 (1982).
J.G. De Mey, M. Claeys and P.M. Vanhoutte. Endothelium-dependent inhibitory effects of acetylcholine, adenosine triphosphate, thrombin and arachidonic acid in the canine femoral artery. J. Pharmacol. Exp. Ther. 222, 166 173 (1982).
M. Rampart, C. Van Hove, H. Bult, M. Claeys and A.G. Herman. Mechanism of complement-induced stimulation of prostacyclin production by isolated rabbit peritoneum. Prostaglandins 25, 245 261 (1983).
M. Van Bockstaele, L. Dillen, M. Claeys and W.P. De Potter. Simultaneous determination of the three major monoamine metabolites in cerebrospinal fluid by high-performance liquid chromatography with electrochemical detection. J. Chromatogr. B 275, 11 20 (1983).
G. Vandeplassche, M. Claeys, W. Oyaert and A. Houvenaghel. Influence of prostaglandins on bovine abomasum : biosynthesis and in vitro motility experiments. Prostaglandins, Leukotrienes and Medicine 14, 15 24 (1984).
M. Vandewoude, M. Claeys and I. De Leeuw. Determination of ( tocopherol in human plasma by high performance liquid chromatography with electrochemical detection. J. Chromatogr. B 311, 176 182 (1984).
G.L. Laekeman, M. Claeys, M. Vrints and A.G. Herman. No evidence for a physiological role of 5 hydroxykynuramine in chicken hemostasis. Agents and Actions 16, 443 445 (1985).
L. Üstünes, M. Claeys, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Isolation and identification of two isomeric trihydroxy octadecenoic acids with prostaglandin E like activity from onion bulbs (Allium cepa). Prostaglandins 29, 847 865 (1985).
M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Metabolic profile of linoleic acid in porcine leukocytes through the lipoxygenase pathway. Biochem. Biophys. Acta 837, 35 51 (1985).
L. Dillen, M. Claeys and W.P. De Potter. Determination of dopamine-² hydroxylase in cerebrospinal fluid by high performance liquid chromatography with electrochemical detection. J. Pharmacol. Meth., 15, 51 63 (1986).
M.-C. Coene, H. Bult, M. Claeys, G.M. Laekeman and A.G. Herman. Inhibition of rabbit platelet activation by lipoxygenase products of arachidonic and linoleic acid. Thromb. Res., 42, 205 214 (1986).
A. Schoups, L. Dillen, M. Claeys, A. Duchateau, T.J. Verbeuren and W.P. De Potter. Characterization of serotonin receptors and lack of effect of antidepressant therapy on monoamine functions in various regions of the rabbit brain. Eur. J. Pharmacol., 126, 259 271 (1986).
L. Dillen, M. Claeys and W.P. De Potter. Evaluation of parameters for central neuronal activity in cerebrospinal fluid of rabbits following yohimbine. Biochem. Pharmacol. 35, 3977 3982 (1986).
G.M. Laekeman, M. Claeys, P.C. Rwangabo, A.G. Herman and A.J. Vlietinck. Cardiovascular effects of 3 methyl quercitin. Planta Medica 433 437 (1986).
M. Claeys, H.E.P. Bazan, D.L. Birkle and N.G. Bazan. Diacylglycerols interfere in normal phase HPLC analysis of lipoxygenase products of docosahexaenoic or arachidonic acids. Prostaglandins 32, 813 827 (1986).
F.J. Zijlstra, A.M.W.C. van den Broek, J.E. Vincent, P.P.H.M. Diderich, A.M.C. op de Hoek Fes and M. Claeys. Formation of leukotriene B4, 20 hydroxy leukotriene B4 and other arachidonic acid metabolites by macrophages during peritonitis in patients with continuous ambulatory peritoneal dialysis. Prostaglandins, Leukotrienes and Medicine 27, 151 160 (1987).
L. Dillen, M. Claeys and W.P. De Potter. Effect of the (2 antagonist idazoxan on monoaminergic parameters in the cerebrospinal fluid of rabbits. Eur. J. Pharmacol. 137, 33 40 (1987).
P. Bakana, M. Claeys, J. Totté, L.A.C. Pieters, L. Van Hoof, T. Vemba, D.A. Vanden Berghe and A.J. Vlietinck. Structure and chemotherapeutical activity of a polyisoprenylated benzophenone from the stem bark of Garcinia huillensis. J. Ethnopharmacol. 21, 75 84 (1987).
J. Claereboudt, L. Van Vaeck, W. Baeten, H. Geise, R. Gijbels and M. Claeys. The use of laser microprobe mass spectrometry for monitoring the Wittig synthesis. Anal. Chim. Acta 195, 343 350 (1987).
L. Dillen, A. Duchateau, W.P. De Potter and M. Claeys. Selected ion monitoring analysis of monoamine metabolites in cerebrospinal fluid. Application to the study of in vivo effects of (2 antagonists. Biomed. Environm. Mass Spectrom. 14, 675 682 (1987).
P.C. Rwangabo, M. Claeys, L. Pieters, J. Corthout, D.A. Vanden Berghe and A.J. Vlietinck. Umuhengerin, a new antimicrobially active flavanoid from Lantana trifolia. J. Nat. Prod. 51, 966 968 (1988).
M. Claeys, A. Schepers, L. Dillen and W.P. De Potter. Evaluation of sample work up methods and internal standards for the evaluation of catecholamines in urine by HPLC with electrochemical detection. J. Pharm. Biomed. Anal. 6, 895 902 (1988).
A. Duchateau, H. Martens, H. Teuchy, A. Schoups and M. Claeys. Evaluation of sample work up methods and internal standards for the determination of 5 hydroxytryptamine and 5 hydroxyindoleacetic acid in brain by HPLC with electrochemical detection. J. Pharm. Biomed. Anal. 6, 903 909 (1988).
J. Claereboudt, B. De Spiegeleer, B. Lippert, E.A. De Bruyn and M. Claeys. Fast atom bombardment and tandem mass spectrometry for the structural characterization of cisplatin analogs and bisnucleobase adducts with cisplatin. Spectrosc. Int. J. 7, 91 112 (1989).
W. Baeten, J. Claereboudt, M. Claeys, B.M. Van Liedekerke and A.P. De Leenheer. Application of fast atom bombardment and tandem mass spectrometry for the analysis of azure dyes. Spectrosc. Int. J. 7, 113 122 (1989).
A. Gergely, H. Van den Heuvel and M. Claeys. Quantitative studies of the effect of added acid on the sputtering of physalaemin during fast atom bombardment. Spectrosc. Int. J. 7, 133 144 (1989).
M. Claeys. Mass spectrometry methods for structural determination and analysis of lipoxygenase and cytochrome P 450 metabolites of essential fatty acids. Mass Spectrom. Rev. 8, 1 34 (1989).
W. Baeten, J. Claereboudt, H. Van den Heuvel and M. Claeys. Tandem mass spectrometry of leucine enkephalin and physalaemin using a hybrid instrument. Biomed. Environm. Mass Spectrom. 18, 727 732 (1989).
J. Claereboudt, R. De Spiegeleer, E.A. De Bruyn, R. Gijbels and M. Claeys. Structural characterization of cisplatin analogs by fast atom bombardment and laser microprobe mass spectrometry. J. Pharm. Biomed. Anal. 7, 1599 1610 (1989).
E.G. Van den Eeckhout, A. De Bruyn, H. Pepermans, E. Esmans, I. Vryens, J. Claereboudt, M. Claeys and J. E. Sinsheimer. Adduct formation identification between phenylglycidyl ether and 2' deoxyadenosine and thymidine by chromatography, mass spectrometry and nuclear magnetic resonance spectroscopy. J. Chromatogr. B 504, 113 128 (1990).
E.G. Van den Eeckhout, E.L. Esmans, J. Claereboudt, J. Coene and M. Claeys. Chromatography and characterization of phenylglycidyl ether nucleoside adducts. Nucleos. Nucleot. 9, 463 465 (1990).
J. Claereboudt, E.L. Esmans, E.G. Van den Eeckhout and M. Claeys. Fast atom bombardment and tandem mass spectrometry for the identification of nucleoside adducts with phenylglycidyl ether. Nucleos. Nucleot. 9, 333 344 (1990).
A. Hisham, L.A.C. Pieters, M. Claeys, E. Esmans, R. Dommisse and A.J. Vlietinck. Uvariamicin I, II and III : three novel acetogenins from Uvaria narum. Tetrahedron Lett. 31, 4649 4652 (1990).
A.M. Baldé, L. A. Pieters, A. Gergely, H. Kolodziej, M. Claeys and A.J. Vlietinck. A type proanthocyanidins from stem-bark of Pavetta owariensis. Phytochemistry 30, 337 342 (1991).
A. Hisham, L.A.C. Pieters, M. Claeys, E. Esmans, R. Dommisse and A.J. Vlietinck. Squamocin 28 one and panalicin, two acetogenins from Uvaria narum. Phytochemistry 30, 545 548 (1991).
A.M. Baldé, L.A. Pieters, A. Gergely, V. Wray, M. Claeys and A.J. Vlietinck. Spermacoceine, a bis indole alkaloid from Borreria verticillata. Phytochemistry 30, 997 1000 (1991).
A.M. Baldé, M. Claeys, L.A. Pieters, V. Wray and A.J. Vlietinck. Ferulic acid esters from stem-bark of Pavetta owariensis. Phytochemistry 30, 1024 1026 (1991).
J. Corthout, L.A. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Antiviral ellagitannins from Spondias mombin. Phytochemistry 30, 1129 1130 (1991).
Q.M. Li, H. Van den Heuvel, O. Delorenzo, J. Corthout, L.A.C. Pieters, A.J. Vlietinck and M. Claeys. Mass spectral characterization of C-glycosidic flavonoids isolated from a medicinal plant (Passiflora incarnata). J. Chromatogr. B 562, 435 446 (1991).
L. Üstünes, A. Özer, G.M. Laekeman, J. Corthout, L.A.C. Pieters, W. Baeten, A.G. Herman, M. Claeys and A.J. Vlietinck. Chemical characterization and pharmacological activity of nazlinin, a novel indole alkaloid from Nitraria schoberi. J. Nat. Products 54, 959-966 (1991).
A. Hisham, L.A.C. Pieters, M. Claeys, H. Van den Heuvel, E. Esmans, R. Dommisse and A.J. Vlietinck. Acetogenins from root bank of Uvaria narum. Phytochemistry 30, 2373-2377 (1991).
A.M. Baldé, L.A. Pieters, V. Wray, H. Kolodziej, D.A. Vanden Berghe, M. Claeys and A.J. Vlietinck. Dimeric and trimeric proanthocyanidins possessing a doubly linked structure from Pavetta owariensis. Phytochemistry 30, 4129-4135 (1991).
E. Van Den Eeckhout, J. Coene, J. Claereboudt, F. Borremans, M. Claeys, E. Esmans and J.E. Sinsheimer. Comparison of the isolation of adducts of 2'-deoxycytidine and 2'-deoxyguanosine with phenylglycidyl ether by high performance liquid chromatography on a reversed-phase column and a polystyrene-divinylbenzene column. J. Chromatogr. B 541, 317-331 (1991).
L. Dillen, S. Boel, W.P. De Potter and M. Claeys. Mass spectrometric characterization of bovine chromaffin granule peptides related to chromogranin B. Biochim. Biophys. Acta 1120, 105-112 (1992).
Q.M. Li, H. Van den Heuvel, L. Dillen and M. Claeys. Differentiation of 6-C and 8-C-glycosidic flavonoids by positive ion fast atom bombardment and tandem mass spectrometry. Biol. Mass Spectrom. 21, 213-221 (1992).
A. Hisham, V. Wray, L. Pieters, M. Claeys, R. Dommisse and A. Vlietinck. Complete 1H and 13C NMR spectral assignment of patchoulenone, a tricyclic sesquiterpene ketone. Magnetic Resonance in Chemistry 30, 295-297 (1992).
W.F. Broekaert, W. Mariën, F.R.G. Terras, M.F.C. De Bolle, P. Proost, J. Van Damme, L. Dillen, M. Claeys, S.B. Rees, J. Vanderleyden and B.P.A. Cammue. Antimicrobial peptides from Amaranthus caudatus seeds with sequence homology to the cysteine/glycine-rich domain of chitin-binding proteins. Biochemistry 31, 4308-4314 (1992).
Y. Dang, H.J. Geise, J. Claereboudt, H. Van den Heuvel and M. Claeys. Electron impact mass spectrometric behaviour of bis(substituted benzoato) complexes of bis(0-cyclopentadienyl)titanium(IV). Inorg. Chim. Acta 201, 185-190 (1992).
Q.M. Li, L. Dillen and M. Claeys. Positive ion FAB analysis of flavonoid glycosides. Simple procedures for desalting and control of sodium salt contamination. Biol. Mass Spectrom. 21, 408-410 (1992).
A. Hisham, L. Pieters, M. Claeys, R. Dommisse, D. Vandenberghe and A. Vlietinck. Guaianolide glucosides from Elephantopus scaber. Planta Medica 58, 474-475 (1992).
J. Corthout, L.A. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Antiviral caffeoyl esters from Spondias mombin. Phytochemistry 31, 1979 1981 (1992).
J. Claereboudt, W. Baeten, H. Geise and M. Claeys. Structural characterization of mono- and bisphosphonium salts by fast atom bombardment mass spectrometry and tandem mass spectrometry. Org. Mass Spectrom. 28, 71-82 (1993).
L. Dillen, B. Miserez, M. Claeys, D. Aunis and W. De Potter. Posttranslational processing of proenkephalins and chromogranins/secretogranins. Neurochem. Int. 22, 315-352 (1993).
J. Claereboudt, E.L. Esmans and M. Claeys. Mass spectral behaviour of [M H] ions of some pyrimidine nucleosides. Biol. Mass Spectrom. 22, 419-421 (1993).
J. Claereboudt, M. Claeys, H.J. Geise, R. Gijbels and A. Vertes. Laser microprobe mass spectrometry of quaternary phosphonium salts: direct versus matrix-assisted laser desorption. J. Am. Soc. Mass Spectrom. 4, 798-812 (1993).
A. Hisham, U. Sreekala, L. Pieters, T. De Bruyne, H. Van den Heuvel and M. Claeys. Epoxymurins A and B, two biogenetic precursors of annonaceous acetogenins from Annona muricata. Tetrahedron 31, 6913-6920 (1993).
M. Claeys, H. Van den Heuvel, J. Claereboudt, J. Corthout, L. Pieters and A.J. Vlietinck. Determination of the double bond position in long-chain 6-alkenyl salicylic acids by collisional activation. Biol. Mass Spectrom. 22, 647-653 (1993).
L. Pieters, T. De Bruyne, M. Claeys, A. Vlietinck, M. Calomme and D. Vanden Berghe. Isolation of a dihydrobenzofuran lignan from South American Dragon's blood (Croton spp.) as an inhibitor of cell proliferation. J. Nat. Products 56, 899-906 (1993).
A.M. Baldé, T. De Bruyne, L. Pieters, M. Claeys, D. Vanden Berghe, A. Vlietinck, V. Wray and H. Kolodziej. Proanthocyanidins from stem bark of Pavetta owariensis. 1NMR study of acetylated trimeric proanthocyanidins possessing a doubly-linked structure. J. Nat. Products 56, 1078-1088 (1993).
M. Claeys and H. Van den Heuvel. Radical processes in remote charge fragmentations of lithium-cationized long-chain alkenyl and alkadienyl salicylic acids. Biol. Mass Spectrom. 23, 20-26 (1994).
S. Boel, L. Dillen, H. Van den Heuvel and M. Claeys. Fragmentation characteristics of neuropeptides related to chromogranin B and proenkephalin B using fast atom bombardment and collision-induced dissociation. Biol. Mass Spectrom. 23, 603-611 (1994).
A. Hisham, C. Sunitha, V. Sreekala, L. Pieters, T. De Bruyne, H. Van den Heuvel and M. Claeys. Reticulacinone, an acetogenin from Annona reticulata. Phytochemistry 35, 1325-1329 (1994).
Q.M. Li and M. Claeys. Characterization and differentiation of diglycosyl flavonoids by positive ion fast atom bombardment and tandem mass spectrometry. Biol. Mass Spectrom. 23, 406 416 (1994).
J. Corthout, L. Pieters, M. Claeys, S. Geerts, D. Vanden Berghe and A. Vlietinck. Antibacterial and molluscicidal phenolic acids from Spondias mombin. Planta Medica 60, 459-464 (1994).
A. Musuku, M.I. Selala, T. De Bruyne, M. Claeys and P.J.C. Schepens. Isolation and structure determination of a new roquefortine-related mycotoxin from Penicillium verrucosum var. cyclopium isolated from cassava. J. Nat. Prod. 57, 983-987 (1994).
J.F. Van Bocxlaer, M. Claeys, H. Van den Heuvel and A.P. De Leenheer. Characterization of acylcarnitines using fast atom bombardment mass spectrometry and gas chromatography/mass spectrometry. J. Mass Spectrom. 30, 69 80 (1995).
A.M. Baldé, T. De Bruyne, L. Pieters, H. Kolodziej, D. Vanden Berghe, M. Claeys and A. Vlietinck. Oligomeric proanthocyanidins possessing a doubly linked structure from Pavetta owariensis. Phytochemistry 38, 719-723 (1995).
K. Cimanga, T. De Bruyne, A. Lasure, Q.M. Li, L. Pieters, M. Claeys, D. Vanden Berghe, K. Kambu, L. Tona and A. Vlietinck. Flavonoid O-glycosides from the leaves of Morinda morindoides. Phytochemistry 38, 1301-1303 (1995).
A.M. Baldé, T. De Bruyne, L. Pieters, H. Kolodziej, D. Vanden Berghe, M. Claeys and A. Vlietinck. Tetrameric proanthocyanidins containing a double interflavanoid (A type) linkage from Pavetta owariensis. Phytochemistry 40, 933-938 (1995).
X.F. Zhou, Z.H. Peng, H.J. Geise, B.X. Peng, Z.X. Li, M. Yan, R. Dommisse, R. Carleer and M. Claeys. Blue sensitizing dyes: synthesis, spectroscopy and performance in photographic emulsions. J. Imag. Sci. and Techn. 39, 244-252 (1995).
F. Liang, L. Dillen, X.Y. Zhang, E.P. Coen, R. Hogue-Angeletti, M. Claeys and W.P. De Potter. Vasostatins, N-terminal products of chromogranin A, are released from the stimulated calf spleen in vitro. Acta Physiol. Scand. 155, 23-30 (1995).
K. Vanhoutte, P. Joos, F. Lemière, W. Van Dongen, E.L. Esmans, M. Claeys and E. Van den Eeckhout. Thermospray liquid chromatography-mass spectrometry of the DNA adducts formed between 2' deoxynucleosides and bisphenol A diglycidyl ether. J. Mass Spectrom. 30, 1453-1461 (1995).
S. Chen and M. Claeys. Approach to the large-scale preparation of highly pure phosphatidylserine from bovine brain. J. Chromatogr. B. 666, 178-182 (1995).
L. Dillen, X.Y. Zhang, M. Claeys, F. Liang, W.P. De Potter, W. Van Dongen and E.L. Esmans. Isolation and mass spectrometric characterization of an oxidized form of vasostatin I, an N-terminal chromogranin A-derived protein, from bovine chromaffin cells. J. Mass Spectrom. 30, 1599-1604 (1995).
J.B. Sindambiwe, A. Baldé, T. De Bruyne, L. Pieters, H. Van den Heuvel, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Triterpenoid saponins from Maesa lanceolata. Phytochemistry 41, 269-277 (1995).
K. Cimanga, T. De Bruyne, A. Lasure, B. Van Poel, L. Pieters, M. Claeys, D. Vanden Berghe and A. Vlietinck. In vitro biological activities of alkaloids from Cryptolepis sanguinolenta. Planta Med. 62, 22-27 (1996).
M. Claeys, H. Van den Heuvel, S. Chen, P.J. Derrick, F.A. Mellon and K.R. Price. Comparison of high- and low-energy collision-induced dissociation tandem mass spectrometry in the analysis of glycoalkaloids and their aglycons. J. Am. Soc. Mass Spectrom. 7, 173-181 (1996).
K. Cimanga, T. De Bruyne, L. Pieters, M. Claeys and A. Vlietinck. New alkaloids from Cryptolepis Sanguinolenta. Tetrahedron Lett. 37, 1703-1706 (1996) and correction 37, 3217 (1996).
M. Claeys, L. Nizigiyimana, H. Van den Heuvel and P.J. Derrick. Mechanistic aspects of charge-remote fragmentation in saturated and mono-unsaturated fatty acid derivatives. Evidence for homolytic cleavage. Rapid Commun. Mass Spectrom. 10, 770-774 (1996).
F. Lemière, P. Joos, K. Vanhoutte, E.L. Esmans, A. De Groot, M. Claeys and E. Van den Eeckhout. Phenylglycidyl ether adducts of 2'-deoxycytidine and 2'-deoxyadenosine stability in solution and structure analysis by electrospray tandem mass spectrometry. J. Am. Soc. Mass Spectrom. 7, 682-691 (1996).
C. Borges, M.A. Almoster Ferreira and M. Claeys. Characterisation of stereoisomeric ( methylene-(-lactone furanosidic derivatives by direct chemical ionisation mass spectrometry and liquid secondary ion mass spectrometry with tandem mass spectrometry. Rapid Commun. Mass Spectrom. 10, 757-766 (1996).
X.Y. Zhang, L. Dillen, K. Vanhoutte, W. Van Dongen, E.L. Esmans and M. Claeys. Characterization of unstable intermediates and oxidized products formed during cyanogen bromide cleavage of peptides and proteins by electrospray mass spectrometry. Anal. Chem. 68, 3422-3430 (1996).
A. Van Cleempoel, R. Gijbels, D. Zhu, M. Claeys, H. Richter and A. Fonseca. Quantitative determination of C60 and C70 in soot extracts by high performance liquid chromatography and mass spectrometric characterization. Fullerene Science and Technology 4, 1001-1017 (1996).
A. Van Cleempoel, R. Gijbels, M. Claeys and H. Van den Heuvel. Characterization of ozonated C60 and C70 by high performance liquid chromatography and low- and high-energy collision-induced-dissociation tandem mass spectrometry. Rapid Commun. Mass Spectrom. 10, 1579-1584 (1996).
S. Chen and M. Claeys. Characterization of (-3-docosahexaenoic acid-containing molecular species of phospholipids in rainbow trout liver. J. Agric. Food Chemistry 44, 3120-3125 (1996).
L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Comparison of low- and high-energy collision-induced dissociation tandem mass spectrometry in the analysis of ricinoleic and ricinelaidic acid. J. Mass Spectrom. 32, 277-286 (1997).
K. Cimanga, T. De Bruyne, B. Van Poel, Y.L. Ma, M. Claeys, L. Pieters, K. Kambu, L. Tona, P. Bakana, D. Vanden Berghe and A.J. Vlietinck. Complement-modulating properties of a kaempferol 7-O-rhamnosylsophoroside from the leaves of Morinda morindoides. Planta Medica 63, 220-223 (1997).
S.H.J. Bauer, X.Y. Zhang, F. Liang, W.P. De Potter, M. Claeys and M. Przybylski. Isolation and identification of intact chromogranin A and two N-terminal processing products from bovine adrenal medulla chromaffin granules by chromatographic and mass spectrometric methods. Neuropeptides 31, 273-280 (1997).
I. V. Vedernikova, M. Claeys, C. Peten, C. Van Alsenoy, A. Haemers and Y. I. Ryabukhin. The chemical properties of 1-substituted 4-oxopyrimidinium cations J. Heterocyclic Chem. 34, 161-170 (1997).
Y.L. Ma, Q.M. Li, H. Van den Heuvel and M. Claeys. Characterization of flavone and flavonol aglycones by collision-induced dissociation tandem mass spectrometry. Rapid Commun. Mass Spectrom. 11, 1357-1364 (1997).
H. Ndayikengurukiye, S. Jacobs, W. Tachelet, J. Van Der Looy, A. Pollaris, H.J. Geise, M. Claeys, J.M. Kauffmann and S. Janietz. Alkoxylated p-phenylenevinylene oligomers: synthesis and spectroscopic and electrochemical properties. Tetrahedron 53, 13811-13828 (1997).
C. Borges, M.A. Almoster-Ferreira, H. Van den Heuvel and M. Claeys Characterization of stereoisomeric furanosidic derivatives by direct chemical ionization mass spectrometry and liquid secondary ion mass spectrometry with tandem mass spectrometry. Part II. Rapid Commun. Mass Spectrom. 11, 1171-1177 (1997).
T. De Bruyne, K. Cimanga, L. Pieters, M. Claeys, R. Dommisse and A. Vlietinck Gallocatechin-(4'(O(7)-epigallocatechin, a new biflavonoid isolated fron Bridelia ferrugininea. Natural Product Letters 11, 47-52 (1997).
B.-L. Deng, J.A. Lepoivre, G. Lemière, R. Dommisse, M. Claeys, F. Boers and A. De Groot. A practical synthesis of 3-methoxyflavones. Liebigs Ann./Recueil 2169-2175 (1997).
L. Nizigiyimana, P.K. Rajan, A. Haemers, M. Claeys and P.J. Derrick. Mechanistic aspects of high-energy collision-induced dissociation proximate to the charge in saturated fatty acid n-butyl esters cationized with lithium. Evidence for hydrogen radical removal. Rapid Commun. Mass Spectrom. 11, 1808-1812 (1997).
L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Mechanistic aspects of high-energy collision-induced dissociation in 1,4-bis-unsaturated fatty acid esters cationized with lithium. Bull. Soc. Chim. Belges 106, 439-446 (1997).
X.Y. Zhang, L. Dillen, S.H.J. Bauer, W. Van Dongen, F. Liang, M. Przybylski, E. Esmans, W.P. De Potter and M. Claeys. Mass spectrometric identification of phosphorylated vasostatin II, a chromogranin A-derived protein fragment (1-113). Biochim. Biophys. Acta 1343, 287-298 (1997).
K. Cimanga, T. De Bruyne, B. Van Poel, L. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Dimeric alkaloids from Cryptolepis sanguinolenta as potent inhibitors of complement activation. Pharm. Pharmacol. Lett. 7, 179-180 (1997).
Y. Huang, L. Pieters, K. Cimanga, T. De Bruyne, M. Claeys, G. Lemière, D. Vanden Berghe and A.J. Vlietinck. Terpenoids from Wedelia chinensis. Pharm. Pharmacol. Lett. 7, 175-177 (1997).
J.A. Hasrat, L. Pieters, M. Claeys, A. Vlietinck, J.-P. De Backer and G. Vauquelin. Adenosine-1 active ligands: cirsimarin, a flavone glycoside from Microtea debilis. J. Nat. Products 60, 638-641 (1997).
Y. Huang, T. De Bruyne, S. Apers, Y.L. Ma, M. Claeys, D. Vanden Berghe, L. Pieters and A. Vlietinck. Complement-inhibiting Cucurbitacin glycosides from Picria fel-terrae. J. Nat. Prod. 61, 757-761 (1998).
M. Claeys, L. Nizigiyimana, H. Van den Heuvel, I. Vedernikova and A. Haemers. Charge-remote and charge-proximate fragmentation processes in alkali-cationized fatty acid esters upon high-energy collisional activation. A new mechanistic proposal. J. Mass Spectrom. 33, 631-643 (1998).
A. Van Cleempoel, J. Joutsensaari, E. Kauppinen, R. Gijbels and M. Claeys. Aerosol synthesis and characterization of ultrafine fullerene particles. Fullerene Science and Technology 6, 599-627 (1998).
S.-J. Chiou, S. Kotanen, A. Cerstiaens, D. Daloze, J. M. Pasteels, A. Lesage, J. W. Drijfhout, P. Verhaert, L. Dillen, M. Claeys, H. De Meulemeester, B. Nuttin, A. De Loof and L. Schoofs. Purification of toxic compounds from Larvae of the Gray Fleshfly: the identification of paralysins. Biochem. Biophys. Res. Commun. 246, 457-462 (1998).
L. Huysmans, L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Charge-remote molecular hydrogen removal in protonated and alkali-cationized long-chain fatty acid esters upon cesium ion bombardment. Int. J. Mass Spectrom. 188, 39-52 (1999).
X.Y. Zhang, I. De Meester, A.-M. Lambeir, L. Dillen, W. Van Dongen, E.L. Esmans, A. Haemers, S. Scharpé and M. Claeys. Study of the enzymatic degradation of vasostatin I and II and their precursor chromogranin A by dipeptidyl peptidase IV using high-performance liquid chromatography/electrospray mass spectrometry. J. Mass Spectrom. 34, 255-263 (1999).
C. Denekamp, G. Pocsfalvi and M. Claeys. Charge-remote and charge-proximate fragmentations in deuterium-labeled n-hexadecyltriphenylphosphonium cations upon high-energy collisional activation: evidence for the involvement of a phenyl biradical. Int. J. Mass Spectrom. 188, 163-175 (1999).
A.M. Baldé, L. Pieters, S. Apers, T. De Bruyne, H. Van den Heuvel, M. Claeys and A. Vlietinck. Oumarone, bissaone, and aissatone, unusual prenylated polyketides from Harrisonia abyssinica. J. Nat. Products 62, 364-366 (1999).
F. Lemière, K. Vanhoutte, T. Jonckers, R. Marek, E.L. Esmans, M. Claeys, E. Van den Eeckhout and H. Van Onckelen. Differentiation between isomeric phenylglycidyl ether adducts of 2'-deoxyguanosine and 2'-deoxyguanosine-5'-monophosphate using liquid chromatography/electrospray tandem mass spectrometry. J. Mass Spectrom. 34, 820-834 (1999).
Y.L. Ma, H. Van den Heuvel and M. Claeys. Characterization of 3-methoxyflavones using fast-atom bombardment and collision-induced dissociation tandem mass spectrometry. Rapid Commun. Mass Spectrom. 13, 1932-1942 (1999).
S.H.J. Bauer, X. Y. Zhang, W. Van Dongen, M. Claeys and M. Przybylski.
Chromogranin A from bovine adrenal medulla: molecular characterisation of glycosylations, phosphorylations, and sequence heterogeneities by mass spectrometry. Anal. Biochem. 274, 69-80 (1999).
P. Scutareanu, Y. L. Ma, M. Claeys, R. Dommisse and M.W. Sabelis.
Induction of a p-coumaroyl trihydroxy triterpene acid in Psylla-infested and mechanically damaged pear trees. J. Chem Ecology 25, 2177-2191 (1999).
F. Liang, J.-Y. Li, P. Lovisetti-Scamihorn, E. Coen, J. Depreitere, M. Claeys, E. Wechsung, A. Dahlstrom, H. Winkler and W.P. De Potter. The processing of secretogranin II in the peripheral nervous system: release of secretogranin from porcine sympathetic nerve terminals. Brain Research 818, 459-467 (1999).
Y. Huang, T. De Bruyne, S. Apers, Y. Ma, M. Claeys, L. Pieters and A. Vlietinck. Flavonoid glucuronides from Picria fel-terrae. Phytochemistry 52, 1701-1703 (1999).
S. Apers, T.E. De Bruyne, M. Claeys, A.J. Vlietinck and L.A.C. Pieters. New acylated tripterpenoid saponins from Maesa lanceolata. Phytochemistry 52, 1121-1131 (1999).
Y.L. Ma, I. Vedernikova, H. Van den Heuvel and M. Claeys Internal glucose residue loss in protonated O-diglycosyl flavonoids upon low-energy collision-induced dissociation. J. Am. Soc. Mass Spectrom. 11, 136-144 (2000).
A.M. Baldé, S. Apers, T.E. De Bruyne, H. Van den Heuvel, M. Claeys, A.J. Vlietinck and L.A.C. Pieters. Steroids from Harrisonia abyssinica. Planta Medica 66, 67-69 (2000).
V.G. Voinov and M. Claeys. Charge-remote fragmentation of fatty acid molecular anions: Examination by using resonance electron capture mass spectrometry. Int. J. Mass Spectrom. 198, 23-32 (2000).
C. Denekamp, M. Claeys and G. Pocsfalvi. Mechanism of cross-ring cleavages in dirhamnosyl lipids: Effect of the alkali ion. Rapid Commun. Mass Spectrom. 14, 794-799 (2000).
C. Denekamp, H. Van den Heuvel, V.G. Voinov, M. Claeys, C. Seto, J. S. Grossert, D.S. Waddell, J.M. Curtis and R.K. Boyd. Charge-remote fragmentation characteristics of functionalized alkanes in high-energy collision-induced dissociation. Rapid Commun. Mass Spectrom. 14, 1035-1043 (2000).
A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer, W. Maenhaut, G. Roberts and P. Artaxo. Carbonaceous aerosol characterization in the Amazon basin, Brasil: Novel dicarboxylic acids and related compounds. Atmos. Environ. 34, 5037-5051 (2000).
F. Cuyckens, Y.L. Ma, G. Pocsfalvi and M. Claeys. Tandem mass spectral strategies for the structural characterization of flavonoid glycosides. Analusis 28, 888-895 (2000).
V.G. Voinov and M. Claeys. Charge-remote fragmentation characteristics of monounsaturated fatty acids in resonance electron capture. Differentiation between cis and trans isomers. Int. J. Mass Spectrom. 205, 57-64 (2001).
Y.L. Ma, F. Cuyckens, H. Van den Heuvel and M. Claeys. Mass spectrometric methods for characterization and differentiation of isomeric O-diglycosyl flavonoids. Phytochem. Anal. 12, 159-165 (2001).
Z. Zdráhal, R. Vermeylen, M. Claeys, W. Maenhaut, P. Guyon and P. Artaxo. Characterisation of novel di- and tricarboxylic acids in fine tropical aerosols. J. Mass Spectrom. 36, 403-416 (2001).
A. M. Baldé, S. Apers, M. Claeys, L. Pieters and A.J. Vlietinck. Cycloabyssinone, a new cycloterpene from Harrisonia abyssinica. Fitoterapia 72, 438-440 (2001).
I. Vedernikova, M. Claeys, D.R. Salahub and M.E. Casida. Excitation processes in alkali-cationized esters: a molecular orbital study. Int. J. Mass Spectrom. 210/211, 21-30 (2001).
A.A. Shahat, S. Apers, S. Van Miert, M. Claeys, L. Pieters and A. Vlietinck. Structure elucidation of three new acetylated flavonoid glycosides from Centaurium spicatum. Magn. Reson. Chem. 39, 625-629 (2001).
F. Cuyckens, R. Rozenberg, E. de Hoffmann and M. Claeys. Structure characterization of flavonoid O-glycosides by positive and negative nano-electrospray ionization ion trap mass spectrometry. J. Mass Spectrom. 36, 1203-1210 (2001).
Z. Zdráhal, J. Oliveira, R. Vermeylen, M. Claeys and W. Maenhaut. Determination of levoglucosan and related monosaccharide anhydrides in atmospheric aerosols from urban and tropical locations. Environ. Sci. Technol. 36, 747-753 (2002).
A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut. Organic compounds in urban aerosols from Gent, Belgium: Characterization, sources and seasonal differences. J. Geophys. Res. Atmos. 107, NO. D21, 8343, doi: 10.1029/2001JD000556 (2002).
V.G. Voinov, H. Van den Heuvel and M. Claeys. Resonant electron capture of free fatty acids: examination of ion structures using deuterium labeled fatty acids and collisional activation. J. Mass Spectrom. 37, 313-321 (2002).
V.A. Luyckx, R. Ballantine, M. Claeys, F. Cuyckens, H. Van den Heuvel, R.K. Cimanga, A.J. Vlietinck, M.E. De Broe and I.J. Katz. Herbal-remedy associated renal failure secondary to Cape Aloes. Am. J. Kidn. Dis. 39, Art. N° E13 (2002).
A.A. Shahat, P. Cos, T. De Bruyne, S. Apers, F.M. Hammouda, S.I. Ismail, S. Azzam, M. Claeys, E. Goovaerts, L. Pieters, D. Vanden Berghe and A.J. Vlietinck.
Antiviral and antioxidant activity of flavonoids and proanthocyanidins from Crataegus sinica.
Planta Medica 68, 539-541 (2002).
T.H.M. Jonckers, S. Van Miert, K. Cimanga, C. Bailly, P. Colson, M.-C. De Pauw-Gillet, H. Van den Heuvel, M. Claeys, F. Lemière, E.L. Esmans, J. Rozenski, L. Quirijnen, L. Maes, R. Dommisse, G.L.F. Lemière, A. Vlietinck and L. Pieters. Synthesis, cytotoxicity, antiplasmodial and antitrypanosomal activity of new neocryptolepine derivatives. J. Med. Chem. 45, 3497-3508 (2002).
C. Caballero-George, P.M.L. Vanderheyden, T. De Bruyne, A.A. Shahat, H. Van den Heuvel, P.N. Solis, M.P. Gupta, M. Claeys, L. Pieters, G. Vauquelin and A.J. Vlietinck.
Inhibition of [3H]-angiotensin II binding on the human AT1 receptor by proanthocyanidins from Guazuma ulmifolia bark.
Planta Medica 68, 1066-1071 (2002).
V. Pashynska, R. Vermeylen, G. Vas, W. Maenhaut and M. Claeys.
Development of a gas chromatography/ion trap mass spectrometry method for determination of levoglucosan and saccharidic compounds in atmospheric aerosols. Application to urban aerosols.
J. Mass Spectrom. 37, 1249-1257 (2002).
F. Cuyckens, A.A. Shahat, L. Pieters and M. Claeys.
Direct stereochemical assignment of hexose and pentose residues in flavonoid O-glycosides by fast atom bombardment and electrospray ionization mass spectrometry.
J. Mass Spectrom. 37, 1272-1279 (2002).
F. Cuyckens and M. Claeys.
Optimization of a liquid chromatographic method based on simultaneous electrospray mass spectrometric and UV photodiode array detection for characterization of flavonoid glycosides.
Rapid Commun. Mass Spectrom. 16, 2341 2348 (2002).
K. Cimanga, N. Hermans, S. Apers, S. Van Miert, H. Van den Heuvel, M. Claeys, L. Pieters and A. Vlietinck.
Complement-inhibiting iridoids from Morinda morindoides.
J. Nat. Prod. 66, 97-102 (2003).
W. Wang, F. Cuyckens, H. Van den Heuvel, M. Claeys, S. Apers, L. Pieters, V. Steenkamp, M.J. Stewart and V.A. Luyckx.
Structure elucidation of chromone C-glucosides in a toxic herbal remedy.
Rapid Commun. Mass Spectrom. 17, 49-55 (2003).
F. Cuyckens, A.A. Shahat, H. Van den Heuvel, K.A. Abdel-Shafeek, M.M. El-Messiry, M.M. Seif-El Nasr, L. Pieters, A.J. Vlietinck and M. Claeys.
The application of liquid chromatography - electrospray ionization mass spectrometry and collision-induced dissociation in the structural characterization of acylated flavonol O-glycosides from the seeds of Carrichtera annua.
Eur. J. Mass Spectrom. 9, 409-420 (2003).
H. Goenaga Infante, F. Cuyckens, K. Van Campenhout, R. Blust, M. Claeys, L. Van Vaeck and F.C. Adams.
Characterisation of metal complexes with metallothioneins in the liver of the carp Cyprinus carpio by reversed-phase HPLC with ICP-time-of-flight-mass spectrometry and electrospray (ESI)-mass spectrometry.
J. Anal. At. Spectrom. 19, 159-166 (2004).
F. Cuyckens and M. Claeys.
Mass spectrometry in the structural analysis of flavonoids.
J. Mass Spectrom. 39, 1-15 (2004); erratum 39, 461 (2004).
S. Apers, T. Naessens, K. Van Den Steen, F. Cuyckens, M. Claeys, L. Pieters and A. Vlietinck.
Fast high performance liquid chromatography method for quality control of soy extracts.
J. Chromatogr. A. 1038, 107-112 (2004).
M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen, V. Pashynska, J. Cafmeyer, P. Guyon, M.O. Andreae, P. Artaxo and W. Maenhaut.
Formation of secondary organic aerosols through photooxidation of isoprene.
Science 303, 1173-1176 (2004).
M. Claeys, W. Wang, A.C. Ion, I. Kourtchev, A. Gelencsér and W. Maenhaut.
Formation of secondary organic aerosols from isoprene and its gas-phase oxidation products through reaction with hydrogen peroxide.
Atmos. Environ. 38, 4093-4098 (2004).
V.A. Pashynska, M.V. Kosevich, H. Van den Heuvel and M. Claeys.
Characterization of noncovalent complexes of antimalarial agents of the artemisinin type and Fe(III) heme by electrospray ionization mass spectrometry and collisional activation tandem mass spectrometry.
J. Am. Soc. Mass Spectrom. 15, 1181-1190 (2004).
M.K. Moe, M.B. Ström, E. Jensen and M. Claeys.
Negative electrospray ionization low-energy mass spectrometry of hydroxylated fatty acids: A mechanistic study.
Rapid Commun. Mass Spectrom. 18, 1731-1740 (2004).
W. Wang, G. Vas, R. Dommisse, K. Loones and M. Claeys.
Fragmentation study of diastereoisomeric 2-methyltetrols, oxidation products of isoprene, as their trimethylsilyl ethers, using gas chromatography/ion trap mass spectrometry.
Rapid Commun. Mass Spectrom. 18, 1787-1797 (2004).
M. Claeys, P. Traldi and K. Vékey.
Editorial. IMMS Special Issue.
J. Mass Spectrom. 38, 12381239 (2003).
Z.H. Mbwambo, S. Apers, M.J. Moshi, M.C. Kapingu, S. Van Miert, M. Claeys, R. Brun, P. Cos, L. Pieters and A. Vlietinck.
Anthranoid compounds with antiprozoal activity from Vismia orientalis.
Planta Medica 70, 706-710 (2004).
A.L. Otshudi, S. Apers, L. Pieters, M. Claeys, C. Pannecouque, E. De Clercq, A. Van Zeebroek, S. Lauwers, M. Frédérich and A. Foriers.
Biologically active bisbenzylisoquinoline alkaloids from the root bark of Epinetrum villosum.
J. Ethnopharmacol. 102, 89-94 (2005).
A.-T. Nguyen, J. Fontaine, H. Malonne, M. Claeys, M. Luhmer and P. Duez.
A sugar ester and an iridoid glycoside from Scrophularia ningpoensis.
Phytochemistry. 66, 1186-1191 (2005).
F. Cuyckens and M. Claeys.
Determination of the glycosylation site in flavonoid mono-O-glycosides by collision-induced dissociation of electrospray-generated deprotonated and sodiated molecules.
J. Mass Spectrom. 40, 364-372 (2005).
A.A. Shahat, F. Cuyckens, W. Wang, K.A. Abdel-Shafeek, H.A. Husseiny, S. Apers, S. Van Miert, L. Pieters, A.J. Vlietinck and M. Claeys.
Structural characterization of flavonol di-O-glycosides from Farsetia aegyptia by electrospray ionization and collision-induced dissociation mass spectrometry.
Rapid Commun. Mass Spectrom. 19, 2172-2178 (2005).
W. Wang, I. Kourtchev, B. Graham, J. Cafmeyer, W. Maenhaut and M. Claeys.
Characterization of oxygenated derivatives of isoprene related to 2-methyltetrols in Amazonian aerosols using trimethylsilylation and gas chromatography/ion trap mass spectrometry.
Rapid Commun. Mass Spectrom. 19, 1343-1351 (2005).
V.A. Pashynska, M. V. Kosevich, H. Van den Heuvel, F. Cuyckens and M. Claeys.
Study of non-covalent complex formation between the bisquaternary ammonium antimicrobial agent decamethoxinum and membrane phospholipids by electrospray ionization and collision-induced dissociation mass spectrometry.
Biophysical Bulletin (Ukrainian biophysical journal) 637, 123-130 (2004).
A.C. Ion, R. Vermeylen, I. Kourtchev, J. Cafmeyer, X. Chi, A. Gelencsér, W. Maenhaut and M. Claeys.
Polar organic compounds in rural PM2.5 aerosols from K-puszta, Hungary, during a 2003 summer field campaign: Sources and diel variations.
Atmos. Chem. Phys. 5, 1805-1814 (2005).
E.O. Edney, T.E. Kleindienst, M. Jaoui, M. Lewandowski, J.H. Offenberg, W. Wang and M. Claeys.
Formation of 2-methyltetrols and 2-methylglyceric acid in secondary organic aerosol from laboratory irradiated isoprene/NOx/SO2/air mixtures and their detection in ambient PM2.5 samples collected in the eastern United States.
Atmos. Environ. 39, 5281-5289 (2005).
I. Kourtchev, T. Ruuskanen, W. Maenhaut, M. Kulmala and M. Claeys.
Observation of 2-methyltetrols and related photo-oxidation products in boreal forest aerosols from Hyytiälä, Finland.
Atmos. Chem. Phys. 5, 2761-2770 (2005).
S. Decesari, S. Fuzzi, M.C. Facchini, M. Mircea, L. Emblico, F. Cavalli, W. Maenhaut, X. Chi, G. Schkolnik, A. Falkovich, Y. Rudich, M. Claeys, V. Pashynska, G. Vas, I. Kourtchev, R. Vermeulen, A. Hoffer, M.O. Andreae, E. Tagliavini, F. Moretti and P. Artaxo.
Characterization of the organic composition of aerosols from Rondonia, Brazil, during the LBA-SMOCC 2002 experiment and its representation through model compounds.
Atmos. Chem. Phys. 6, 375-402 (2006).
V.A. Pashynska, M.V. Kosevich, H. Van den Heuvel and M. Claeys.
The effect of cone voltage on electrospray mass spectra of the bisquaternary ammonium salt decamethoxonium.
Rapid Commun. Mass Spectrom. 20, 755-763 (2006).
L.S. Santos, I. Dalmazio, M.N. Eberlin, M. Claeys and R. Augusti.
Mimicking the atmospheric OH-radical-mediated photooxidation of isoprene: formation of cloud-condensation polyols monitored by electrospray ionization mass spectrometry.
Rapid Commun. Mass Spectrom. 20, 2104-2108 (2006).
J.D. Surratt, S.M. Murphy, J.H. Kroll, N.L. Ng, L. Hildebrandt, A. Sorooshian, R. Szmigielski, R. Vermeylen, W. Maenhaut, M. Claeys, R.C. Flagan and J.H. Seinfeld.
Chemical characterization of secondary organic aerosol formed from the photooxidation of isoprene.
J. Phys. Chem. A 110, 9665-9690 (2006).
J.D. Surratt, J.H. Kroll, T.E. Kleindienst, E.O. Edney, M. Claeys, A. Sorooshian, N.L. Ng, J.H. Offenberg, M. Lewandowski, M. Jaoui, R.C. Flagan and J.H. Seinfeld.
Evidence for organosulfates in secondary organic aerosol.
Environ. Sci. Technol. 41, 517-527 (2007).
S. Fuzzi, S. Decesaro, M.C. Facchini, F. Cavalli, L. Emblico, M. Mircea, M.O. Andreae, I. Trebs, A. Hoffer, P. Guyon, P. Artaxo, L.V. Rizzo, L.L. Lara, T. Pauliquevis, W. Maenhaut, N. Raes, X.G. Chi, O.L. Mayol-Bracero, L.L. Soto-Garcia, M. Claeys, I. Kourtchev, J. Rissler, E. Swietlicki, E. Tagliavini, G. Schkolnik, A.H. Falkovich, Y. Rudich, G. Fisch and L.V. Gatti.
Overview of the inorganic and organic composition of size-segregated aerosol in Rondonia, Brazil, from the biomass-burning period to the onset of the wet season.
J. Geophys. Res. 112(D1), DO1201 (2007); doi:10.1029/2005JD006741.
R. Szmigielski, J.D. Surratt, R. Vermeylen, K. Szmigielska, J.H. Kroll, N.L. Ng, S.M. Murphy, A. Sorooshian, J.H. Seinfeld and M. Claeys.
Characterization of 2-methylglyceric acid oligomers in secondary organic aerosol formed from the photooxidation of isoprene using trimethylsilylation and gas chromatography/ion trap mass spectrometry.
J. Mass Spectrom. 42, 101-106 (2007).
M. Claeys, R. Szmigielski, I. Kourtchev, P. Van der Veken, R. Vermeylen, W. Maenhaut, M. Jaoui, T.E. Kleindienst, M. Lewandowski, J.H. Offenberg and E.O. Edney.
Hydroxydicarboxylic acids: Markers for secondary organic aerosol from the photooxidation of alpha-pinene. Environ. Sci. Technol. 41, 1628-1634 (2007).
Y. Iinuma, C. Müller, T. Berndt, O. Böge, M. Claeys and H. Herrmann.
Evidence for the existence of organosulfates from ²-pinene ozonolysis in ambient secondary organic aerosol.
Environ. Sci. Technol. 41, 6678-6683 (2007).
H. Puxbaum, A. Caseiro, A. Sánchez-Ochoa, A. Kasper-Giebl, M. Claeys, A. Gelencsér, M. Legrand, S. Preunkert and C. Pio.
Levoglucosan levels at background sites in Europe for assessing the impact of biomass combustion on the European aerosol background.
J. Geophys. Res. 112, D23S05 (2007); doi:10.1029/2006jd008114.
A. Caseiro, I.L. Marr, M. Claeys, A. Kasper-Giebl, H. Puxbaum and C. Pio.
Determination of saccharides in atmospheric aerosol using anion-exchange high-performance liquid chromatography and pulsed-amperometric detection.
J. Chromatogr. A 1171, 37-45 (2007).
R. Szmigielski, J.D. Surratt, Y. Gómez-González, P. Van der Veken, I. Kourtchev, R. Vermeylen, F. Blockhuys, M. Jaoui, T.E. Kleindienst, M. Lewandowski, J.H. Offenberg, E.O. Edney, J.H. Seinfeld, W. Maenhaut and M. Claeys.
3-methyl-1,2,3-butanetricarboxylic acid: An atmospheric tracer for terpene secondary organic aerosol, Geophys. Res. Lett. 34, L24811 (2007), doi:10.1029/2007GL031338.
Y. Gómez-González, J.D. Surratt, F. Cuyckens, R. Szmigielski, R. Vermeylen, M. Jaoui, M. Lewandowski, J.H. Offenberg, T.E. Kleindienst, E.O. Edney, F. Blockhuys, C. Van Alsenoy, W. Maenhaut and M. Claeys.
Characterization of organosulfates of isoprene and unsaturated fatty acids in ambient aerosol using liquid chromatography/(-)electrospray ionization mass spectrometry.
J. Mass Spectrom. 43, 371-382 (2008).
I. Kourtchev, T.M. Ruuskanen, P. Keronen, L. Sogacheva, M. Dal Maso, A. Reissell, X.G. Chi, R. Vermeylen, M. Kulmala, W. Maenhaut and M. Claeys.
Determination of isoprene and ±-/²-pinene oxidation products in boreal forest aerosols from Hyytiälä, Finland: diel variations and possible link with particle formation events.
Plant Biology 10, 138-149 (2008), doi: 10.1055/s-2007-964945.
H. Bauer, M. Claeys, R. Vermeylen, E. Schueller, G. Weinke, A. Berger and H. Puxbaum.
Arabitol and mannitol as tracers for the quantification of airborne fungal spores.
Atmos. Environ. 42, 588-593 (2008).
Reports
W. Maenhaut, F. Adams en M. Claeys.
Bronnen, fysico-chemische eigenschappen en klimaat "forcing" van atmosferische aërosolen.
Global Change en Duurzame Ontwikkeling. Deel I: Onzekerheden verminderen. Synthese van de geïntegreerde rapporten 1 (1 December 1996 - 31 December 1997). Federale Diensten voor Wetenschappelijke, Technische en Culturele Aangelegenheden, Brussel (1999) pp. 5-6. (D/1999/1191/7)
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development. Part 1: Reducing Uncertainties. Integrated Scientific Reports 1 (1 December 1996 - 31 December 1997). Federal Office for Scientific, Technical and Cultural Affairs, Brussels (1999) part III (16 pages). (D/1999/1191/1)
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development. Part 1: Reducing Uncertainties. Integrated Scientific Reports 2 (1 December 1997 - 31 December 1998). Federal Office for Scientific, Technical and Cultural Affairs, Brussels (1999) part III (18 pages). (D/1999/1191/5)
W. Maenhaut and M. Claeys.
Development and implementation of methods for obtaining mass closure for fine and size-fractionated aerosols.
EUROTRAC 2 AEROSOL: Composition and Size Evolution of the Secondary Aerosol, Annual Report 1998, EUROTRAC 2 International Scientific Secretariat, GSF-Forschungszentrum für Umwelt und Gesundheit GmbH, München (1999) pp. 36-41.
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development. Part 1: Reducing Uncertainties. Synthesis of the Integrated Scientific Reports 2 (1 December 1997 31 December 1998). Federal Office for Scientific, Technical and Cultural Affairs, Brussels (2000) pp. 5-6. (D/2000/1191/17)
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development. Part 1: Reducing Uncertainties. Synthesis of the Integrated Scientific Reports 3 (1 December 1998 31 December 1999). Federal Office for Scientific, Technical and Cultural Affairs, Brussels (2000) pp. 5-7. (D/2000/1191/18)
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development. Part 1: Reducing Uncertainties. Integrated Scientific Reports 3 (1 December 1998 31 December 1999). Federal Office for Scientific, Technical and Cultural Affairs, Brussels (2000) (21 pages). (D/2000/1191/16)
W. Maenhaut and M. Claeys.
Development and implementation of methods for obtaining chemical mass closure for fine and size-fractionated aerosols.
EUROTRAC 2 AEROSOL: Composition and Size Evolution of the Secondary Aerosol, Annual Report 1999, EUROTRAC 2 International Scientific Secretariat, GSF-Forschungszentrum für Umwelt und Gesundheit GmbH, Munich (2001) pp. 34-40.
W. Maenhaut, F. Adams en M. Claeys.
Bronnen, fysico-chemische eigenschappen en klimaat "forcing" van atmosferische aërosolen.
Global Change en Duurzame Ontwikkeling. Plan voor Wetenschappelijke Ondersteuning van een Beleid gericht op Duurzame Ontwikkeling (PODO I). Vermindering van Onzekerheden. Federale Diensten voor Wetenschappelijke, Technische en Culturele Aangelegenheden, Brussel (2001) Project 3, 2 pages.
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development. Scientific Support Plan for a Sustainable Development Policy (SPSD I). Reducing Uncertainties. Federal Office for Scientific, Technical and Cultural Affairs, Brussels (2001) Project 3, 2 pages.
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols. Final Report.
Scientific Support Plan for a Sustainable Development Policy. Subprogramme 1: to reduce uncertainty. No. CG/DD/03. Federal Office for Scientific, Technical and Cultural Affairs, Brussels (2001) 59 pages. (D2001/1191/75)
W. Maenhaut and M. Claeys.
Development and implementation of methods for obtaining chemical mass closure for fine and size-fractionated aerosols.
EUROTRAC 2 AEROSOL: Composition and Size Evolution of the Secondary Aerosol, Annual Report 2000, EUROTRAC 2 International Scientific Secretariat, GSF National Research Center for Environment and Health, Munich, Germany, February 2002, pp. 54 61.
W. Maenhaut, F. Adams and M. Claeys.
Sources, physico-chemical characteristics, and climate forcing of atmospheric aerosols.
Global Change and Sustainable Development, Final Reports, Summaries, Scientific Support Plan for a Sustainable Development Policy, SPSD1. Belgian Federal Science Policy Office, Brussels (2002) pp. 35-42. (D2002/1191/44)
W. Maenhaut and M. Claeys.
Development and implementation of methods for obtaining chemical mass closure for fine and size-fractionated aerosols.
EUROTRAC 2 AEROSOL: Composition and Size Evolution of the Secondary Aerosol, Final Report, EUROTRAC 2 International Scientific Secretariat, GSF National Research Center for Environment and Health, Munich, Germany (2003) pp. 96 109.
Published Abstracts
S.P. Markey, M. Claeys, K. Powers and M. Ebert. Evaluation of isotopic variants of 3 methoxy 4 hydroxymandelic acid (VMA) for selected ion recording. Proc. 24th Annual Conference on Mass Spectrometry and Allied Topics, May 9 14th, 1976, San Francisco, Ca., U.S.A., p. 584.
A.G. Herman, M. Claeys, S. Moncada and J.R. Vane. Prostacyclin production by rabbit aorta, pericardium, pleura, peritoneum and dura mater. Arch. Int. Pharmacodyn. 236, 303 304 (1978).
M. Claeys. Identification of 6 keto PGF1± in pericardial and peritoneal fluid. Arch. Int. Pharmacodyn. 239, 164 167 (1979).
M. Claeys, A. Duchateau, C. Van Hove and A.G. Herman. Measurement of 6 keto PGF1± in biological fluids by selected ion monitoring. Proc. 27th Annual Conference on Mass Spectrometry and Allied Topics. June 3 8, 1979, Seattle, U.S.A., pp. 651 653.
E. Wechsung, M. Claeys, A.G. Herman and A. Houvenaghel. Biotransformation of arachidonic acid by the oviduct of the hen. Arch. Int. Pharmacodyn. 244, 348 350 (1980).
M. C. Coene, C. Solheid, M. Claeys and A.G. Herman. Prostaglandin production by cultured mesothelial cells. Abstracts Int. Symposium on Prostaglandins and the Cardiovascular System, Wilrijk, Belgium, 1 3 December 1980, Acta Therapeutica, 6, 8 (1980).
M. Claeys, E. Wechsung, A.G. Herman and D.H. Nugteren. PGE2 is the prevalent metabolite of arachidonic acid in aortic tissue of the chicken. Abstracts Int. Symposium on Prostaglandins and the Cardiovascular System, Wilrijk, Belgium, 1 3 December 1980, Acta Therapeutica, 6, 17 (1980).
M. C. Coene, C. Solheid, M. Claeys and A.G. Herman. Prostaglandin production by cultured mesothelial cells. Abstracts Int. Symposium on Prostaglandins and the Cardiovascular System, Wilrijk, Belgium, 1 3 December 1980, Acta Therapeutica, 6, 8 (1980).
M. C. Coene, C. Solheid, M. Claeys and A.G. Herman. Prostaglandin production by cultured mesothelial cells. Arch. Int. Pharmacodyn. 249, 316 318 (1981).
M. Claeys, E. Wechsung, A.G. Herman and D.H. Nugteren. Prostaglandin E2 is the prevalent metabolite of arachidonic acid formed by aortic tissue of the chicken. Arch. Int. Pharmacodyn. 249, 312 315 (1981).
M. Claeys, M. C. Coene, A.G. Herman, M. Van der Planken, G.H. Jouvenaz and D.H. Nugteren. 15 Hydroxy 5,8,11,13 eicosatetraenoic acid (15 HETE) formation by rabbit peritoneal tissue. Arch. Int. Pharmacodyn. 250, 305 308 (1981).
E. Wechsung, M. Claeys, F. Van Wambeke and A. Houvenaghel. Biotransformation of arachidonic acid by the male reproductive system of the domestic fowl. Arch. Int. Pharmacodyn. 253, 330 332 (1981).
G. Vandeplassche, M. Claeys, W. Oyaert and A. Houvenaghel. Biotransformation of arachidonic acid by the antrum pyloricum of the bovine abomasum. Arch. Int. Pharmacodyn. 256, 320 323 (1982).
M. C. Coene, M. Claeys, C. Van Hove and A.G. Herman. Oxygenation of arachidonic and linoleic acid by rabbit peritoneal tissue. Arch. Int. Pharmacodyn. 259, 312 314 (1982).
M. Van Bockstaele, L. Dillen, M. Claeys and W.P. De Potter. Simultaneous determination of the three major monoamine metabolites in CSF by HPLC with electrochemical detection. Arch. Int. Pharmacodyn. 260, 304 305 (1982).
M. Claeys, M. C. Coene and C. Van Hove. Characterization of lipoxygenase metabolites of arachidonic and linoleic acid by GC/MS. Proc. 30th Annual Conference on Mass Spectrometry and Allied Topics, Honolulu, Hawai, 6 11 June, 1982, pp. 722-723.
L. Van Hoof, D.A. Vanden Berghe, F. Mertens, M. Claeys, R. Dommisse and A.J. Vlietinck. Antiviral properties of 3 methoxyflavones from Euphorbia species. Proc. 10de Symposium voor Farmacognosie en Natuurstofchemie, Utrecht, The Netherlands, 11 November 1983, Pharmaceutisch Weekblad, 119, 902 (1984).
P. Bakana, M. Claeys, T. Vemba, D. Vanden Berghe and A.J. Vlietinck. Chemotherapeutical activity of an isoprenylated benzophenone from the stem bark of Garcinia huillensis Welv. ex. Oliv. Proc. 10de Symposium voor Farmacognosie en Natuurstofchemie, Utrecht, The Netherlands, 11 November 1983, Pharmaceutisch Weekblad, 119, 902 (1984).
P. Bakana, M. Claeys, R. Dommisse, E. Esmans, G. Laekeman, D. Vanden Berghe, J. Totté and A.J. Vlietinck. Biologically active natural products from some African medicinal plants. Abstracts 32nd International Congress on Medicinal Plant Research, Antwerp, Belgium, 23 28 July 1984, Farm. Tijdschr. België, 61, 297 (1984).
L. Üstünes, M. Claeys, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Separation and identification of two unsaturated trihydroxy fatty acid isomers having prostaglandin-like activity from onion bulbs (Allium cepa). Abstracts 32nd International Congress on Medicinal Plant Research, Antwerp, Belgium, 23 28 July 1984, Farm. Tijdschr. België, 61, 314 (1984).
M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. GC/MS characterization of lipoxygenase metabolites of linoleic acid formed by porcine leukocytes. Proc. 32nd Annual Conference of Mass Spectrometry and Allied Topics, San Antonio, Texas, U.S.A., 27 May 1 June 1984, pp. 67 68.
M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Metabolism of linoleic acid by porcine leukocytes. Arch. Int. Physiol. Biochim. 92, 17 19 (1984).
M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Biotransformation of linoleic acid by porcine leukocytes. Abstracts 9th IUPHAR satellite symposium on leukotrienes and other lipoxygenase products, London, U.K., 4 August 1984, Prostaglandins, 28, 664 (1984).
M. Claeys, L. Üstünes, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Mass spectral characterization of two onion constituents with prostaglandin E like activity as lipoxygenase metabolites of linoleic acid. Abstracts 9th IUPHAR satellite symposium on leukotrienes and other lipoxygenase products, London, U.K., 4 August 1984, Prostaglandins, 28, 663 (1984).
L. Dillen, M. Claeys and W.P. De Potter. Determination of dopamine-²-hydroxylase in cerebrospinal fluid by high performance liquid chromatography with electrochemical detection. Arch. Int. Pharmacodyn. 276, 330 (1985).
L. Üstünes, M. Claeys, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Isolation and identification of two isomeric octadecenoic acids with prostaglandin E like activity from onion bulbs (Allium cepa). Arch. Int. Pharmacodyn. 276, 333 334 (1985).
L. Dillen, M. Claeys and W.P. De Potter. Comparison of parameters for central neuronal activity in the cerebrospinal fluid of rabbits following yohimbine administration. Arch. Int. Pharmacodyn. 278, 170 171 (1985).
M. Claeys, G.M. Laekeman and A.G. Herman. Mass spectral studies on trihydroxy linoleates with prostaglandin-like properties. Proc. 10th International Mass Spectrometry Conference, Swansea, U.K., 9 13 September 1985, Advances in Mass Spectrometry, part B, Wiley, 1986, pp. 1353 1354.
P. C. Rwangabo, G. Laekeman, M. Claeys, J. Totté, L. Pieters, D. Vanden Berghe, A. Herman and A.J. Vlietinck. Phytochemical and pharmacological investigation of the biologically active fraction from the flowers of Vernonia amygdalina. Abstracts 34th Annual Congress on Medicinal Plant Research, Hamburg, Germany, 22 27 September 1986, Planta Medica, 1986, pp. 547 548.
L. Dillen, M. Claeys and W.P. De Potter. Comparison of effects of yohimbine and idazoxan on D²H activity and monoamine metabolite levels in cerebrospinal fluid of rabbits. Arch. Int. Pharmacodyn. 281, 332 333 (1986).
J. Claereboudt, E.L. Esmans, E.G. Van den Eeckhout, W. Baeten and M. Claeys. Characterization of phenylglycidyl ether nucleoside adducts using FAB/MS/MS. Proc. 37th ASMS Conference on Mass Spectrometry and Allied Topics, Florida, U.S.A., 21 26 May 1989, pp. 923 924.
L. Üstünes, G. Laekeman, J. Corthout, M. Claeys, W. Baeten, H. Bult and A.J. Vlietinck. Pharmacological activity of Nitraria schoberi L. compounds. Arch. Int. Pharmacodyn. 301, 302 303 (1989).
J. Corthout, L. Üstünes, L. Pieters, W. Baeten, M. Claeys, A. Özer and A.J. Vlietinck. The isolation of a new alkaloid from Nitraria schoberi. Proc. 37th Annual Congress of the Society for Medicinal Plant Research, Braunschweig, Germany, 5 9 September 1989, Planta Medica, 56, 24 (1990).
A.M. Baldé, A. Gergely, L.A. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Antimicrobial alkaloids from Borreria verticillata. Proc. 37th Annual Congress of the Society for Medicinal Plant Research, Braunschweig, Germany, 5 9 September 1989, Planta Medica, 56, 76 77 (1990).
G.M. Laekeman, L. Üstünes, A.J. Vlietinck, M. Claeys, A. Özer and A.G. Herman. Endothelium-dependent relaxations by nazlinin, a novel plant compound. Arch. Int. Pharmacodyn. 305, 260 (1990).
J. Claereboudt, E.L. Esmans and M. Claeys. Investigation of the negative ion FAB MS/MS spectra of some pyrimidine nucleosides. Proc. 38th ASMS Conference on Mass Spectrometry and Allied Topics, Tucson, Arizona, U.S.A., 3 8 June 1990, pp. 930 931.
A. Gergely and M. Claeys. Hydrophobicity, an important factor for desorption ionization of peptides. Proc. 38th ASMS Conference on Mass Spectrometry and Allied Topics, Tucson, Arizona, U.S.A., 3 8 June 1990, pp. 930 931.
A. Hisham, L.A.C. Pieters, R. Dommisse, M. Claeys, D. Vanden Berghe, S. Scharpé and A.J. Vlietinck. A new cytotoxic guaianolide glucoside from Elephantopus scaber. Proc. Conference on Biology and Chemistry of Active Natural Substances, Bonn, Germany, 17 22 July 1990, Planta Medica 56, 542 (1990).
A.M. Baldé, L.A. Pieters, V. Wray, A. Gergely, M. Claeys, H. Kolodziej, D.A. Vanden Berghe and A.J. Vlietinck. New procyanidins with doubly linked structures from Pavetta owariensis. Proc. Conference on Biology and Chemistry of Active Natural Substances, Bonn, Germany, 17 22 July 1990, Planta Medica 56, 577 (1990).
J. Corthout, L. Pieters, M. Claeys and A.J. Vlietinck. Isolation and characterization of geraniin and galloyl-geraniin from Spondias mombin. Proc. Conference on Biology and Chemistry of Active Natural Substances, Bonn, Germany, 17 22 July 1990, Planta Medica 56, 584 585.
G. Niyonzima, L. Pieters, A. M. Baldé, M. Claeys, G. M. Laekeman and A.J. Vlietinck. Isolation of 6-O-caffeoylcatalpol and some other compounds form Spathodea campanulata. Proc. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991, Planta Medica 57, A85-86 (1991).
K. Cimanga, L. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Biological activities of cryptolepine, an alkaloid from Cryptolepis sanguinolenta. Proc. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991, Planta Medica 57, A98-99 (1991).
L. Pieters, Q.R. Yang, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Biological activities of 3',4-O-dimethylcedrosin and taspine: two constituents from Sangre de Drago. Proc. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991, Planta Medica 57, A12-13 (1991).
Q.M. Li, H. Van den Heuvel, L. Dillen, and M. Claeys. Fast atom bombardment and tandem mass spectrometry for differentiation of isomeric C-glycosidic flavonoids. Proc. 40th ASMS Conference on Mass Spectrometry and Allied Topics, Washington D.C., U.S.A., 31 May - 5 June 1992, pp. 1613-1614.
A.M. Baldé, S. Geerts, F. Ceulemans, T. De Bruyne, L. Pieters, M. Claeys and A.J. Vlietinck. Molluscicidal activities of doubly-linked proanthocyanidins from Pavetta owariensis. Proc. 40th Annual Congress on Medicinal Plant Research, Trieste, Italy, 1-5 September 1992, Planta Medica 58, A637 (1992).
J.B. Sindambiwe, A. Baldé, T. De Bruyne, L. Pieters, H. Van den Heuvel, M. Claeys, A. Vlietinck and D. Vanden Berghe. New antiviral triterpenoid saponins from Maesa lanceolata. Proc. 40th Annual Congress on Medicinal Plant Research, Trieste, Italy, 1-5 September 1992, Planta Medica 58, A710 (1992).
K. Cimanga, T. De Bruyne, B. Van Poel, L. Pieters, M. Claeys, D. Vanden Berghe, A. Vlietinck. Complement-inhibiting constituents of Morinda morindoides. Proc. 41st Annual Congress on Medicinal Plant Research, Dhsseldorf, Germany, 31 August - 4 September 1993, Planta Medica 59, A667 (1993).
A. Hisham, U. Sreekala, L. Pieters, T. De Bruyne, H. Van den Heuvel and M. Claeys. Epoxymurins A and B, two biogenetic precursors of Annonaceous acetogenins from Annona muricata. Proc. 18th Belgian-Dutch "LOF-Symposium" on Pharmacognosy and Natural Products Chemistry, Groningen, The Netherlands, 19 November 1993, Pharmacy World & Science 15, H8 (1993).
Q.M. Li, H. Van den Heuvel, A. Shahat, L.A.C. Pieters, A.J. Vlietinck and M. Claeys. Mass spectral determination of the glycosylation position in mono-O-glycosyl flavonoids using fast atom bombardment and tandem mass spectrometry. Proc. 19th LOF Symposium on Pharmacognosy and Natural Products Chemistry, Antwerpen, 25 November 1994, Pharmacy World & Science 16, I6 (1994).
K. Cimanga, A. Lasure, T. De Bruyne, B. Van Poel, M. Claeys, L. Pieters, D. Vanden Berghe and A. Vlietinck. Anti-complementary constituents from Bridelia ferruginea. Proc. 19th LOF Symposium on Pharmacognosy and Natural Products Chemistry, Antwerpen, 25 November 1994, Pharmacy World & Science 16, I7 (1994).
Q.M. Li, H. Van den Heuvel and M. Claeys. Determination of the glycosylation position in mono-O-glycosyl flavonoids. Proc. 43th ASMS Conference on Mass Spectrometry and Allied Topics, Atlanta, GA, U.S.A., 21-26 May 1995, p. 1181.
M. Claeys, H. Van den Heuvel, S. Chen, P.J. Derrick, F.A. Mellon and K.R. Price. Low-energy collision induced dissociation of protonated glycoalkaloids and related aglycones. Proc. 43th ASMS Conference on Mass Spectrometry and Allied Topics, Atlanta, GA, U.S.A., 21-26 May 1995, p. 1183.
X.Y. Zhang, L. Dillen, M. Claeys, W. Van Dongen, K. Vanhoutte and E. Esmans. Characterization of an unstable intermediate formed during cyanogenbromide cleavage of " endorphin. Proc. 44th ASMS Conference on Mass Spectrometry and Allied Topics, Portland, OR, U.S.A., 12-16 May 1996, p. 356.
L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Low-energy CID of molecule ions generated from ricinoleic and ricinelaidic acid. Proc. 44th ASMS Conference on Mass Spectrometry and Allied Topics, Portland, OR, U.S.A., 12-16 May 1996, p. 1258.
P. Scutereanu, J. Boon, M. Claeys, G. van der Doelen, Y.L. Ma and M.W. Sabelis. HPLC pattern and composition of leaf polyphenols in pear trees infested by Psylla pyricola and mechanically damaged. Proc. 18th International Conference on Polyphenols, Bordeaux, France, 15-18 July 1996, pp. 393-394.
K. Cimanga, T. De Bruyne, B. Van Poel, Y.L. Ma, M. Claeys, L. Pieters, D. Van den Berghe and A.J. Vlietinck. In vitro anticomplementary activity of a kaempferol 7-O-triglycoside from the leaves of Morinda murindoides. Proc. 44th Annual Congress on Medicinal Plant Research, Prague, Czech Republic, 3-7 September 1996, P192, pp. 121-122 (1996).
A. Van Cleempoel, R. Gijbels, H. Van den Heuvel and M. Claeys. Analysis of C60 and C70 oxides by HPLC and low- and high-energy collision-induced dissociation tandem mass spectrometry. Proc. Symposium on Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials, 191th Meeting of the Electrochemical Society, Montreal, Canada, 4-9 May 1997, (Eds. K.M. Kadish and R.S. Ruoff), vol. 4, pp. 783-800 (1997).
S.J. Chiou, P. Verhaert, A. De Loof, J. Vanden Broeck, M. Claeys, L. Schoofs, J.M. Pasteels and D. Daloze. Compounds from immature insects toxic to adults: Identification and possible relation to metamorphosis. Annals of the New York Academy of Sciences, 839, 571-573 (1998).
M. Claeys, L. Nizigiyimana, C. Denekamp, H. Van den Heuvel, I. Vedernikova and A. Haemers. High-energy collision-induced dissociation of alkali-cationized fatty acid esters. A new mechanistic proposal. Proc. 46th ASMS Conference on Mass Spectrometry and Allied Topics, May 31 - June 4, 1998, Orlando, Florida, p. 78.
L. Huysmans, X.Y. Zhang and M. Claeys Evidence for formation of intermediates during cyanogen bromide cleavage of peptides and proteins. Proc. 46th ASMS Conference on Mass Spectrometry and Allied Topics, May 31 - June 4, 1998, Orlando, Florida, p. 93.
L. Huysmans, H. Van den Heuvel and M. Claeys. Charge-remote hydrogen removal in protonated and alkali-cationized fatty acid esters upon cesium ion bombardment. Proc. 46th ASMS Conference on Mass Spectrometry and Allied Topics, May 31 - June 4, 1998, Orlando, Florida, p. 1228.
P. Artaxo, E. Swietlicki, J. Zhou, H.C. Hansson, W. Maenhaut, M. Claeys, M.O. Andreae, J. Stroem, J.V. Martins, M.A. Yamasoe and R. Van Grieken.
Aerosol properties in the Central Amazon basin during the wet season during the LBA/CLAIRE experiment.
EOS Transactions of the American Geophysical Union, 79, No. 45/supplement (1998) F155.
W. Maenhaut, J. Cafmeyer, I. Rajta, A. Kubátová and M. Claeys.
Aerosol chemistry at Balbina, Brazil, during LBA-CLAIRE-98.
EOS Transactions of the American Geophysical Union, 79, No. 45/supplement (1998) F155.
C. Denekamp, G. Pocsfalvi, M. Claeys, C. Seto, J. S. Grossert, D. Waddell, J. M. Curtis and R.K. Boyd.
Charge-remote and charge-proximate fragmentation in N-alkyltriphenylphosphonium cations.
Proc. 47th ASMS Conference on Mass Spectrometry and Allied Topics, June 13-17, 1999, Dallas, Texas, USA, CDRom.
C. Seto, J.S. Grossert, D.S. Waddell, J.M. Curtis, R.K. Boyd, C. Denekamp, L. Nizigiyimana and M. Claeys.
Mechanistic studies of high-energy CAD of quaternary ammonium ions.
Proc. 47th ASMS Conference on Mass Spectrometry and Allied Topics, June 13-17, 1999, Dallas, Texas, USA, CDRom.
A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Carbonaceous aerosols and particulate organic compounds in Gent, Belgium, during winter and summer of 1998.
Journal of Aerosol Science, 30, Suppl. 1 (1999) S905-S906.
M. Claeys, H. Van den Heuvel and V. Voinov.
Charge-remote fragmentation characteristics of monounsaturated fatty acids in resonance electron capture. Differentiation between cis and trans Isomers.
Proc. 15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000, Advances in Mass Spectrometry, volume 15 (Ed. E. Gelpi), Wiley, Chichester, 2001, pp. 345-346.
V. Voinov, M. Claeys and H. Van den Heuvel.
Charge-remote fragmentation of fatty acids in resonance electron capture: Involvement of an excited state.
Proc. 15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000, Advances in Mass Spectrometry, volume 15 (Ed. E. Gelpi), Wiley, Chichester, 2001, pp. 747-748.
F. Cuyckens, H. Van den Heuvel, M. Claeys and Y.L. Ma.
Mass spectrometric methods for characterization and differentiation of isomeric O-diglycosyl flavonoids.
Proc. 15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000, Advances in Mass Spectrometry, volume 15 (Ed. E. Gelpi), Wiley, Chichester, 2001, pp. 891-892.
C. Denekamp, M. Claeys, G. Pocsfalvi and Y.L. Ma.
Mechanism of cross-ring cleavage reactions in glycoconjugates: Effect of the alkali ion.
Proc. 15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000, in: Advances in Mass Spectrometry, volume 15 (Ed. E. Gelpi), Wiley, Chichester, 2001, pp. 551-552.
Z. Zdráhal, R. Vermeylen, M. Claeys and W. Maenhaut.
Characterization of tricarboxylic acids in tropical biomass burning aerosols.
Proc. 49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, U.S.A., May 27-31, 2001, CDRom.
M. Claeys, L. Nizigiyimana, H. Van den Heuvel and V.G. Voinov.
Charge-remote fragmentation of fatty acid carboxylate anions in collisional activation.
Proc. 49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, U.S.A., May 27-31, 2001, CDRom.
V.G. Voinov, H. Van den Heuvel and M. Claeys.
Charge-remote fragmentation of fatty acids in resonance electron capture.
Proc. 49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, U.S.A., May 27-31, 2001, CDRom.
F. Cuyckens, R. Rozenberg, E. de Hoffmann and M. Claeys.
Structure characterization of flavonoid O-diglycosides by positive and negative nano-ESI ion trap mass spectrometry.
Proc. 49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, U.S.A., May 27-31, 2001, CDRom.
F. Cuyckens, A. Shahat, L. Pieters and M. Claeys.
Mass spectrometric structure determination of complex acylated flavonol O-glycosides.
Proc. 50th Conference of the American Society for Mass Spectrometry, Orlando, USA, June 2-6, 2002, CDRom.
F. Cuyckens and M. Claeys.
Structural characterization of flavonoid O-glycosides by mass spectral methods.
Proc. 16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September, 2003, in: Advances in Mass Spectrometry, volume 16 (Eds. A.E. Ashcroft, G. Brenton, J.J. Monaghan), Elsevier, Amsterdam, 2004, CDrom.
V. Pashynska, M. Kosevich, H. Van den Heuvel and M. Claeys.
Study of non-covalent complex formation between heme and antimalarial agents of the artemisinin type by electrospray ionization mass spectrometry.
Proc. 16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September, 2003, in: Advances in Mass Spectrometry, volume 16 (Eds. A.E. Ashcroft, G. Brenton, J.J. Monaghan), Elsevier, Amsterdam, 2004, CDrom.
M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen, V. Pashynska, J. Cafmeyer, P. Guyon, M.O. Andreae, P. Artaxo and W. Maenhaut.
Characterization of novel polar oxygenated compounds in tropical atmospheric aerosols by gas chromatography/mass spectrometry.
Proc. 16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September, 2003, in: Advances in Mass Spectrometry, volume 16 (Eds. A.E. Ashcroft, G. Brenton, J.J. Monaghan), Elsevier, Amsterdam, 2004, CDrom.
G. Vas, R. Vermeylen, M. Claeys and W. Maenhaut.
Determination of polar oxygenated carboxylic acids in atmospheric aerosols by capillary gas chromatography with mass spectrometric detection.
Proc. 16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September, 2003, in: Advances in Mass Spectrometry, volume 16 (Eds. A.E. Ashcroft, G. Brenton, J.J. Monaghan), Elsevier, Amsterdam, 2004, CDrom.
M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen, V. Pashynska, I. Kourtchev, J. Cafmeyer, P. Guyon, M.O. Andreae, P. Artaxo and W. Maenhaut.
Characterization of isoprene oxidation products in tropical atmospheric aerosols by gas chromatography/mass spectrometry.
Proc. 52nd Conference of the American Society for Mass Spectrometry, Nashville, Tennessee, USA, 23 27 May, 2004, CDrom.
M.O. Andreae, G. Frank, D. Chand, O. Schmid, P. Guyon, A. Hoffer, I. Trebs, P. Artaxo, M.A. Silva-Dias, D. Rosenfeld, A.A. Costa, J.P. Oliveira, W. Maenhaut, M. Claeys, S. Fuzzi, M.C. Facchini, S. Decesari, E. Swietlicki, J. Rissler, O. Mayol-Bracero, L.V. Gatti, Y. Rudich and K.M. Longo.
Effects of smoke aerosols on atmospheric composition and cloud properties over Amazonia: Results from the LBA-SMOCC-2002 campaign.
EOS Transactions of the American Geophysical Union, 84, No. 46/supplement (2003), Abstract A11I-03, F63.
S. Decesari, S. Fuzzi, M.C. Facchini, M. Mircea, E. Tagliavini, F. Moretti, A. Hoffer, M. Claeys, W. Maenhaut and Y. Rudich.
A simplified representation of the water soluble organic fraction for modelling the aerosol hygroscopic behaviour over the Amazon Basin.
Abstracts of the Contributions of the EGU General Assembly, Vienna, Austria, 24-29 April 2005; Geophysical Research Abstracts, Volume 7, 04520, 2005; European Geosciences Union, published on CD rom (2005).
S. Decesari, S. Fuzzi, L. Emblico, F. Cavalli, M.O. Andreae, P. Artaxo, M. Claeys, W. Maenhaut, O.L. Mayol-Bracero and Y. Rudich.
Evolution of the size-segregated inorganic and organic aerosol composition from the biomass burning period to the on-set of the wet season in Rondonia, Brazil.
Abstracts of the Contributions of the EGU General Assembly, Vienna, Austria, 24-29 April 2005; Geophysical Research Abstracts, Volume 7, 04573, 2005; European Geosciences Union, published on CD rom (2005).
T.E. Kleindienst, E.O. Edney, M. Lewandowski, J.H. Offenberg, M. Jaoui, W. Wang and M. Claeys.
Determination of 2-methyl tetrols and 2-methylglyceric acid in secondary organic aerosol from laboratory irradiated isoprene/NOx/SO2/air mixtures.
Abstracts European Aerosol Conference 2005 (Ed. W. Maenhaut), 28 August 2 September 2005, p. 96.
H. Bauer, G. Weinke, A. Berger, A. Kasper-Giebl, H. Puxbaum, R. Vermeylen, M. Claeys and W. Maenhaut.
Contribution of bioaerosols to organic carbon in urban-fringe aerosols.
Abstracts European Aerosol Conference 2005 (Ed. W. Maenhaut), 28 August 2 September 2005, p. 144.
I. Kourtchev, T. Ruuskanen, W. Maenhaut, M. Kulmala and M. Claeys.
Characterisation of isoprene oxidation products in boreal forest aerosols from Hyytiälä, Finland.
Abstracts European Aerosol Conference 2005 (Ed. W. Maenhaut), 28 August 2 September 2005, p. 185.
S. Decesari, S. Fuzzi, M.C. Facchini, E. Tagliavini, M.O. Andreae, A. Hoffer, P. Artaxo, M. Claeys, W. Maenhaut, O.L. Mayol-Bracero and Y. Rudich.
Size-segregated inorganic and organic composition of aerosol from Rondonia, Brazil, during the SMOCC experiment.
Abstracts European Aerosol Conference 2005 (Ed. W. Maenhaut), 28 August 2 September 2005, p. 198.
I. Kourtchev, J. Warnke, W. Maenhaut, T. Hoffmann and M. Claeys.
Characterisation of polar organic compounds in PM2.5 aerosols from Jülich, Germany.
Abstracts European Aerosol Conference 2005 (Ed. W. Maenhaut), 28 August 2 September 2005, p. 546.
W. Wang, I. Kourtchev, B. Graham, J. Cafmeyer, W. Maenhaut and M. Claeys.
Characterisation of novel isoprene oxidation products from Amazonia, Brazil.
Abstracts European Aerosol Conference 2005 (Ed. W. Maenhaut), 28 August 2 September 2005, p. 547.
M. Claeys.
Secondary organic aerosol formation from isoprene: results from laboratory and field experiments.
Contributions 3rd International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications (Eds. A. Hansel, T.D. Märk), 27 January 1 February 2007, Innsbruck University Press, pp. 25-26.
Y. Gómez, R. Vermeylen, W. Maenhaut and M. Claeys.
Characterisation of organosulfates from the photooxidation of isoprene in ambient PM2.5 aerosol by LC/ESI-linear ion trap MS.
Contributions 3rd International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications (Eds. A. Hansel, T.D. Märk), 27 January 1 February 2007, Innsbruck University Press, pp. 171-172.
Publications in National Journals
M. Claeys en M. Korteweg. Prostaglandine analyse : resultaten betrouwbaar ? Chemisch Weekblad, 20, 6 9 (1974).
M. Claeys. Massafragmentografie. Chemie Magazine, 1, 17 18 (1974).
M. Claeys. De Massaspectrometer : een universele, gevoelige en specifieke detector voor de gaschromatograaf. Chemie Magazine, 4, 10 12 (1978).
M. Claeys. Klinische applicaties in massaspectrometrie. Meting van de antidepressiva imipramine en desipramine en van prostaglandinen in biologisch materiaal. Proc. 1ste Symposium Gas chromatografie-Massaspectrometrie in de Klinische Chemie, Paterswolde, The Netherlands, 27-29 March 1979, Mededelingen Nederlandse Vereniging voor Klinische Chemie, 4, 182 187 (1979).
M. Claeys, C. Van Hove, M. C. Coene en A.G. Herman. Onderzoek van de lipoxygenase metabolieten van arachidonzuur en linolzuur. Proc. 2de symposium Gaschromatografie Massaspectrometrie in de Klinische Chemie, Paterswolde, The Netherlands, 13 14 October 1983, Mededelingen Nederlandse Vereniging voor Klinische Chemie, 9, 24 29 (1984).
M. Claeys en W.P. De Potter. Ontwikkeling van bepalingsmethodologie voor neurotransmitters en aanverwante stoffen. Nieuwe Tijdingen, 5, 19 (1985).
P.C. Rwangabo, G. Laekeman, M. Claeys et A.J. Vlietinck. Activité d'une plante médicinale rwandaise, Umubilizi, dans l'agrégation plaquettaire. Revue Medical Rwandaise, 18, 37 44 (1986).
M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen, V. Pashynska, J. Cafmeyer, P. Guyon, M.O. Andreae, P. Artaxo and W. Maenhaut.
Press communication: Formation of secondary organic aerosols through photo-oxidation of isoprene.
Chemie magazine, no. 2 (2004) 47.
Papers at Scientific Conferences
(*: congress attended by Magda Claeys; -: congress not attended; underlined: (co)author, who presented the work; O: oral communication; P: poster presentation)
* O M. Claeys and M. Vandewalle. Mass spectral study of trimethylsilylated isomeric 2,3 dialkyl-1,4 cyclopentanediols. Massaspectrometry Colloqium, Société Chimique de Belgique, Brussels, Belgium, 16 March 1973.
* O M. Claeys, G. Muscettola, F.K. Goodwin and S.P. Markey. Simultaneous measurement of plasma levels of imipramine and desipramine in patients with primary affective disorders. 2nd International Conference on Stable Isotopes, Oak Brook, Illinois, U.S.A., 20 23 October 1975.
P S.P. Markey, M. Claeys, K. Powers and M. Ebert. Evaluation of isotopic variants of 3 methoxy 4 hydroxymandelic acid (VMA) for selected ion recording. 24th Annual Conference on Mass Spectrometry and Allied Topics, San Francisco, California, U.S.A., 9 14 May 1976.
* O M. Claeys, G. Muscettola, F.K. Goodwin and S.P. Markey. Measurement of imipramine and desipramine in plasma, cerebrospinal fluid and saliva of patients with primary affective disorders. 1st International Symposium on Quantitative Mass Spectrometry in Life Sciences, Gent, Belgium, 16 18 June 1976.
* O M. Claeys, E. Messens, M. Van Montagu and J. Schell. GC/MS determination of cytokinins in Agrobacterium tumefaciens cultures. European Conference on Biochemical Analysis, München, Germany, 18 21 May 1978.
* O M.T. Rosseel, M.G. Bogaert and M. Claeys. Quantitative GLC determination of the cis and trans isomers of doxepin and desmethyldoxepin in human plasma. European Conference on Biochemical Analysis, München, Germany, 18 21 May 1978.
* O M. Claeys, E. Messens, M. Van Montagu and J. Schell. Quantitative determination of cytokinins in culture media of Agrobacterium tumefaciens. 2nd International Symposium on Quantitative Mass Spectrometry in Life Sciences, Gent, Belgium, 13 16 June 1978.
O M. Vandewalle, M. Claeys, D. De Keukeleire, H. De Wilde, R. Myngheer, D. Termont, M. Van Audenhove, F. Verzele and W. Wijffels. Bicyclo(3,2,0)heptan-2 ones : a photochemical route to prostanoid synthons.
(invited lecture) International Symposium on the Chemistry and Biochemistry of Prostanoids, Salford, U.K., 10 14 July 1978.
P E. Messens and M. Claeys. Ti plasmid encoded production of cytokinins in culture media of Agrobacterium tumefaciens. Workshop on Plant Tumour Research and Evaluation, European Molecular Biology Organisation, Leiden, The Netherlands, 2 4 August 1978.
O A.G. Herman, M. Claeys, S. Moncada and J.R. Vane. Prostacyclin production by rabbit aorta, pericardium, pleura, peritoneum and dura mater. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Leuven, Belgium, 18 November 1978.
* P M. Claeys. Identification of 6 keto PGF1± in pericardial and peritoneal fluid by GC/MS. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Louvain la Neuve, Belgium, 17 February 1979.
* P A.G. Herman, M. Claeys, S. Moncada and J.R. Vane. Metabolism of arachidonic acid by rabbit aorta, pericardium, pleura, peritoneum and dura mater. 4th International Prostaglandin Conference, Washington D.C., U.S.A., 27 31 May 1979.
* P M. Claeys, A. Duchateau, C. Van Hove and A.G. Herman. Measurement of 6 keto PGF1± in biological fluids by selected ion monitoring. 27th Annual Conference on Mass Spectrometry and Allied Topics, Seattle, Washington, U.S.A., 3 8 June 1979.
* P E. Wechsung, M. Claeys, A.G. Herman and A. Houvenaghel. Biotransformation of arachidonic acid by the oviduct of the hen. Vergadering van de NFWO contactgroep Prostaglandinen, Luik, Belgium, 6 December 1979; and Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Kortrijk, Belgium, 17 February 1980.
* P J.R. Beetens, M. Claeys and A.G. Herman. Enhanced formation of 6 oxo PGF1± by ram seminal vesicle microsomes in the presence of antioxidants. 1st International Congress on Essential Fatty Acids and Prostaglandins, Minneapolis, Minnesota, U.S.A., 5 7 May 1980.
* P M. Claeys, E. Wechsung, A.G. Herman and A. Houvenaghel. Metabolism of arachidonic acid by the reproductive tract of the hen. 1st International Congress on Essential Fatty Acids and Prostaglandins, Minneapolis, Minnesota, U.S.A., 5 7 May 1980.
* O M. Claeys, C. Van Hove, A. Duchateau and A.G. Herman. Quantitative determination of 6 oxo PGF1± in biological fluids by GC/MS. 3rd International Symposium on Quantitative Mass Spectrometry in Life Sciences, Gent, Belgium, 10 13 June 1980.
P E. Wechsung, M. Claeys, A.G. Herman and A. Houvenaghel. Metabolism of arachidonic acid by the reproductive tract of the hen in the absence and presence of indomethacin. 28th International Congress of Physiological Sciences, Budapest, Hungary, June 1980.
* P M. Claeys, E. Wechsung, A.G. Herman and D.H. Nugteren. Lack of prostacyclin biosynthesis by aortic tissue of the chicken. International Symposium on the Arachidonic Acid Cascade, 7th Congress of the Polish Pharmacological Society, Poznan, Poland, 25 28 September 1980.
* P J.R. Beetens, M. Claeys and A.G. Herman. Antioxidants enhance the formation of 6 oxo PGF1± by ram seminal vesicle microsomes. International Symposium on the Arachidonic Acid Cascade, 7th Congress of the Polish Pharmacological Society, Poznan, Poland, 25 28 September 1980.
* P M. C. Coene, C. Solheid, M. Claeys and A.G. Herman. Prostaglandin production by cultured mesothelial cells. International Symposium on the Arachidonic Acid Cascade, 7th Congress of the Polish Pharmacological Society, Poznan, Poland, 25 28 September 1980.
* P M. C. Coene, C. Solheid, M. Claeys and A.G. Herman.
Prostaglandin production by cultured mesothelial cells. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Brussel, Belgium, 22 November 1980.
* P M. C. Coene, C. Solheid, M. Claeys and A.G. Herman.
Prostaglandin production by cultured mesothelial cells. International Symposium on Prostaglandins and the Cardiovascular System, Wilrijk, Belgium, 1 3 December 1980.
* P M. Claeys, E. Wechsung, A.G. Herman and D.H. Nugteren. PGE2 is the prevalent metabolite of arachidonic acid in aortic tissue of the chicken. International Symposium on Prostaglandins and the Cardiovascular System, Wilrijk, Belgium, 1 3 December 1980.
* P M. Claeys, E. Wechsung, A.G. Herman and D.H. Nugteren. PGE2 is the prevalent metabolite of arachidonic acid in aortic tissue of the chicken. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Brussel, Belgium, 22 November 1980.
* O M. Claeys, M. C. Coene, A.G. Herman, M. Van Der Planken, G.H. Jouvenaz and D.H. Nugteren. 15 Hydroxy 5,8,11,13 eicosatetraenoic acid (15 HETE) formation by rabbit peritoneal tissue. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Gent, Belgium, 21 February 1981.
* O M. Claeys, M. C. Coene, A.G. Herman, M. Van Der Planken, G.H. Jouvenaz and D.H. Nugteren. 15 Hydroxy 5,8,11,13 eicosatetraenoic acid (15 HETE) formation by rabbit peritoneal tissue. 3rd European Workshop on Inflammation, Paris, France, 2 3 March 1981.
* P M. Claeys, M. C. Coene, A.G. Herman, M. Van Der Planken, G.H. Jouvenaz and D.H. Nugteren. 15 Hydroxy 5,8,11,13 eicosatetraenoic acid (15 HETE) is a metabolite of arachidonic acid in peritoneum and peritoneal macrophages of the rabbit. International Symposium on Leukotrienes and other Lipoxygenase Products, Florence, Italy, 10 12 June 1981.
P E. Wechsung, M. Claeys, F. Van Wambeke and A. Houvenaghel. Biotransformation of arachidonic acid by the male reproductive system in the domestic fowl. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Luik, Belgium, 20 June 1981.
P J.G. De Mey, M. Claeys and P.M. Vanhoutte. Contribution of endothelial cells to the control of arterial smooth muscle responsiveness. 2nd International Symposium on the Biology of the Vascular Endothelial Cell, Cambridge, U.K., 15 20 September 1981.
* P G. Vandeplassche, M. Claeys, W. Oyaert and A. Houvenaghel. Biotransformation of arachidonic acid by the antrum pyloricum of the bovine abomasum. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Brussel, Belgium, 21 November 1981.
* O M. Claeys, M. C. Coene and C. Van Hove. Characterization and quantification of lipoxygenase metabolites of arachidonic and linoleic acid by GC/MS. 4th International Symposium on Quantitative Mass Spectrometry in Life Sciences, Gent, Belgium, 11 14 May 1982.
P M. C. Coene, M. Claeys, C. Van Hove and A.G. Herman. Oxygenation of arachidonic and linoleic acid by rabbit peritoneal tissue. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Antwerpen, Belgium, 5 June 1982.
* P M. Claeys, M. C. Coene and C. Van Hove. Characterization of lipoxygenase metabolites of arachidonic acid by GC/MS. 30th Annual Conference on Mass Spectrometry and Allied Topics, Honolulu, Hawaii, U.S.A., 6 11 June 1982.
P M. Van Bockstaele, L. Dillen, M. Claeys and W.P. De Potter. Simultaneous determination of the three major monoamine metabolites in CSF by HPLC with electrochemical detection. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Antwerpen, Belgium, 5 June 1982.
O M. C. Coene, M. Claeys and A.G. Herman. The metabolism of arachidonic and linoleic acid in rabbit peritoneal tissue. Symposium on the pathophysiology and Treatment of Astma and Arthritis, Rotterdam, The Netherlands, 14 15 October 1982.
P L. Van Hoof, D.A. Vanden Berghe, F. Mertens, M. Claeys, R. Dommisse and A.J. Vlietinck. Antiviral properties of 3 methoxyflavones from Euphorbia species. 10de Symposium voor Farmacognosie en Natuurstofchemie, Utrecht, The Netherlands, 11 November 1983.
P P. Bakana, M. Claeys, T. Vemba, D. Vanden Berghe and A.J. Vlietinck. Chemotherapeutical activity of an isoprenylated benzophenone from the stem bark of Garcinia huillensis Welv. ex Oliv. 10de Symposium voor Farmacognosie en Natuurstofchemie, Utrecht, The Netherlands, 11 November 1983.
* O M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Metabolism of linoleic acid by porcine leukocytes. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Brussel, Belgium, 18 February 1984.
* O M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Metabolism of linoleic acid by porcine leukocytes. Vergadering van de NFWO contactgroep Prostaglandinen, Liège, Belgium, 10 May 1984.
P G. Vandeplassche, M. Claeys and A. Houvenaghel. Biosynthesis and motility effects of prostaglandins in the bovine abomasum. 4th International Washington Spring Symposium on Prostaglandins and Leukotrienes, Washington D.C., U.S.A., 8 11 May 1984.
* P A. Duchateau, H. Martens and M. Claeys. Comparison of liquid chromatography-electrochemical and gas chromatography mass spectrometry methods for brain serotonin and 5 hydroxyindoleacetic acid. 5th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 15 18 May 1984.
* O M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. GC/MS characterization of lipoxygenase metabolites of linoleic acid formed by porcine leukocytes. 5th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 15 18 May 1984.
* O M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. GC/MS characterization of lipoxygenase metabolites of linoleic acid formed by porcine leukocytes. 32th Annual Conference on Mass Spectrometry and Allied Topics, San Antonio, Texas, U.S.A., 27 May 1 June 1984.
* P P. Bakana, M. Claeys, R. Dommisse, E. Esmans, G. Laekeman, D. Vanden Berghe, J. Totté and A.J. Vlietinck. Biologically active natural products from some African medicinal plants. 32nd Annual Congress for Medicinal Plant Research, Antwerpen, Belgium, 23 28 July 1984.
* P L. Üstünes, M. Claeys, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Separation and identification of two unsaturated trihydroxy fatty acid isomers having prostaglandin-like activity from onion bulbs (Allium cepa). 32nd Annual Congress for Medicinal Plant Research, Antwerpen, Belgium, 23 28 July 1984.
* P M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Biotransformation of linoleic acid by porcine leukocytes. 9th IUPHAR satellite symposium on Leukotrienes and other Lipoxygenase Products, London, U.K., 4 August 1984.
* P M. Claeys, L. Üstünes, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Mass spectral characterization of two onion constituents with prostaglandin-like activity as lipoxygenase metabolites of linoleic acid. 9th IUPHAR satellite symposium on Leukotrienes and other Lipoxygenase Products, London, U.K., 4 August 1984.
* P L. Üstünes, M. Claeys, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Isolation and identification of two isomeric trihydroxy octadecenoic acids with prostaglandin-like activity from onion bulbs (Allium cepa). Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Gent, Belgium, 24 November 1984.
* P L. Dillen, M. Claeys and W.P. De Potter. Determination of dopamine ² hydroxylase in cerebrospinal fluid by high performance liquid chromatography with electrochemical detection. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Gent, Belgium, 24 November 1984.
* P M. Claeys, L. Üstünes, G. Laekeman, A.G. Herman, A.J. Vlietinck and A. Özer. Characterization of prostaglandin E like activity isolated from a plant source (Allium cepa). 2nd International Congress on Essential Fatty Acids and their Eicosanoids, London, U.K., 24 27 March 1985.
* P M. Claeys, G.A.A. Kivits, E. Christ Hazelhof and D.H. Nugteren. Lipoxygenase metabolism of linoleic acid by porcine neutrophils. 2nd International Congress on Essential Fatty Acids and their Eicosanoids, London, U.K., 24 27 March 1985.
* P L. Dillen, M. Claeys and W.P. De Potter. Comparison of parameters for central neuronal activity in the cerebrospinal fluid of rabbits following yohimbine administration. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Antwerpen, Belgium, 6 June 1985.
P J. Corthout, J. Totté, M. Claeys, L. Pieters, D.A. Vanden Berghe and A.J. Vlietinck. Antivirally active substances from Spondias mombin L. International Research Congress on Natural Products, Chapel Hill, North Carolina, U.S.A., 7 12 July 1985.
P G.M. Laekeman, M. Claeys, A.J. Vlietinck, P.C. Rwangabo and A.G. Herman. Cardiovascular activity of 3 methylquercitin. Congress on Plant Flavanoids in Biology and Medicine, Buffalo, New York, U.S.A., 22 26 July 1985.
* P M. Claeys, G.M. Laekeman and A.G. Herman. Mass spectral studies on trihydroxy linoleates with prostaglandin like properties. 10th International Mass Spectrometry Conference, Swansea, U.K., 9 13 September 1985.
P J. Corthout, R.A. Dommisse, J. Totté, M. Claeys, L. Pieters, D. Vanden Berghe and A.J. Vlietinck. Antivirally active substances from Spondias mombin L. International Congress for Organic Chemistry of Medicinal Natural Products, Shanghai, China, 9 14 November 1985.
* P L. Dillen, M. Claeys and W.P. De Potter. Comparison of effects of yohimbine and idazoxan on D²H activity and monoamine metabolites in cerebrospinal fluid of rabbits. Vergadering van de Belgische Vereniging voor Fundamentele en Klinische Fysiologie en Farmacologie, Gent, Belgium, 19 April 1986.
* P M. Claeys, J. Heiremans and A.G. Herman. Preparation and mass spectral characterization of trihydroxy linoleates and arachidonates. 6th International Conference on Prostaglandins and Related Compounds, Florence, Italy, 3 6 June 1986.
* P M. C. Coene, H. Bult, M. Claeys, G.M. Laekeman and A.G. Herman. Hydroxy derivatives of linoleic and arachidonic acid suppress the activation of rabbit blood platelets. 6th International Conference on Prostaglandins and Related Compounds, Florence, Italy, 3 6 June 1986.
* P F.J. Zijlstra, J.E. Vincent, A.M.W.C. van den Broek, F. Diderich en M. Claeys. Formation of leukotriene B4, 20 hydroxy leukotriene B4 and other arachidonic acid metabolites by macrophages during peritonitis in patients with CAPD. 6th International Conference on Prostaglandins and Related Compounds, Florence, Italy, 3 6 June 1986.
* P J. Claereboudt, L. Van Vaeck, W. Baeten, M. Claeys, H. Geise and R. Gijbels. On the use of LAMMA to monitor the Wittig Synthesis. 3rd International Laser Microprobe Mass Spectrometry Workshop, Antwerpen, Belgium, 26 27 August 1986.
* P L. Dillen, A. Duchateau, W.P. De Potter and M. Claeys. Selected ion monitoring analysis of monoamine metabolites in cerebrospinal fluid. Application to the study of in vivo effects of ±2 antagonists. 6th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 31 August 3 September 1986.
P P.C. Rwangabo, G. Laekeman, M. Claeys, J. Totté, L. Pieters, D. Vanden Berghe, A. Herman and A.J. Vlietinck. Phytochemical and pharmacological investigation of the biologically active fraction from the flowers of Vernonia amygdalina Del. 34th Annual Congress on Medicinal Plant Research, Hamburg, Germany, 22 23 September 1986.
* P M. Claeys, A. Schepers, L. Dillen and W.P. De Potter. Evaluation of sample work up methods and internal standards for determination of catecholamines in urine by HPLC with electrochemical detection. International Symposium on Pharmaceutical and Biomedical Analysis, Barcelona, Spain, 23 25 September 1987.
* P A. Duchateau, H. Martens, H. Teuchy, A. Schoups and M. Claeys. Evaluation of sample work up methods and internal standards for the determination of 5 hydroxytryptamine and 5 hydroxy indoleacetic acid in brain by HPLC with electrochemical detection. International Symposium on Pharmaceutical and Biomedical Analysis, Barcelona, Spain, 23 25 September 1987.
* P M. Claeys, L. Üstünes and S. Pepermans. Mass spectral characterization of trihydroxy linoleates and arachidonates. International Symposium on Pharmaceutical and Biomedical Analysis, Barcelona, Spain, 23 25 September 1987.
P G. M. Laekeman, S. Puspa, M. Claeys, L. Pieters, J. Corthout, A.G. Herman and A.J. Vlietinck. Antiinflammatory properties of Curcuma oil. 28th Annual Meeting of the American Society of Pharmacognosy, University of Rhode Island, Kingston, R.I., U.S.A., 19 22 July 1987.
P J. Heiremans, M. Claeys and A.G. Herman. Determination of cholesteryl hydroxyoctadecadienoates in vascular tissue by HPLC and its relevance to atherosclerosis. 9th International Congress on Thrombosis and Haemostasis, Brussel, Belgium, 6 10 July 1987.
* O W. Baeten, J. Claereboudt, H. Van den Heuvel and M. Claeys. The effect of collisional energy and gas pressure on daughter ion spectra of peptides using a hybrid instrument. 7th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 23 26 August 1988.
* P A. Gergely, A.M. Baldé, J. Claereboudt, W. Baeten, A.J. Vlietinck and M. Claeys. Mass spectral characterization of bisindole alkaloids from medicinal plant origin (Borreria verticillata). 7th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 23 26 August 1988.
* O J. Claereboudt, E.G. Van den Eeckhout, E.L. Esmans, W. Baeten and M. Claeys. Characterization of phenylglycidyl ether nucleoside adducts using FAB/MS/MS. 7th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 23 26 August 1988.
P J. Corthout, L. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Antivirally active gallotannins from Spondias mombin L. (Anacardiceae). 15de Symposium voor Farmacognosie en Natuurstofchemie, Gent, Belgium, 28 August 1988.
P A. Gergely, A.M. Baldé, J. Claereboudt, W. Baeten, A.J. Vlietinck and M. Claeys. Mass Spectral characterization of bisindole alkaloids from medicinal plant origin (Borreria verticillata). 15de Symposium voor Farmacognosie en Natuurstofchemie, Gent, Belgium, 28 August 1988.
P A.M. Baldé, L.A.C. Pieters, A. Gergely, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Antiviral and antimicrobial components from Pavetta owariensis. 15de Symposium voor Farmacognosie en Natuurstofchemie, Gent, Belgium, 28 August 1988.
P L. Üstünes, J. Corthout, G. Laekeman, M. Claeys, W. Baeten, F. Mertens, H. Bult, A. Özer, A.G. Herman and A.J. Vlietinck. Pharmacological activity of Nitraria schoberi compounds. 15de Symposium voor Farmacognosie en Natuurstofchemie, Gent, Belgium, 28 August 1988.
P J. Corthout, L. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Biological active and inactive constituents of Spondias mombin L. International Congress on Natural Products Research, Park City, Utah, U.S.A., 17 21 July 1988.
* P A. Gergely, H. Van den Heuvel and M. Claeys. Quantitative studies of the effect of added acid on the sputtering of physalaemin during fast atom bombardment. Symposium on Mass Spectrometry of Large Molecules, Lausanne, Schwitzerland, 15 17 March 1989.
* P W. Baeten, J. Claereboudt, M. Claeys, B. Van Liedekerke and A.P. De Leenheer. Application of fast atom bombardment mass spectrometry for the analysis of azure dyes. Symposium on Mass Spectrometry of Large Molecules, Lausanne, Schwitzerland, 15 17 March 1989.
* P J. Claereboudt, B. De Spiegeleer, B. Lippert, E.A. De Bruyn and M. Claeys. Fast atom bombardment and tandem mass spectrometry for the analysis of cisplatin analogs and bis nucleobase adducts of cisplatin. Symposium on Mass Spectrometry of Large Molecules, Lausanne, Schwitzerland, 15 17 March 1989.
* O J. Claereboudt, B. De Spiegeleer, E.A. De Bruyn, R. Gijbels and M. Claeys. Structural characterization of cisplatin analogs by fast atom bombardment and laser microprobe mass spectrometry. 3rd International Symposium on Drug Analysis, Antwerp, Belgium, 16 19 May 1989.
P J. Claereboudt, E.L. Esmans, E.G. Van den Eeckhout, W. Baeten and M. Claeys. Characterization of phenylglycidyl ether nucleoside adducts using FAB/MS/MS. 37th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, Florida, U.S.A., 21 26 May 1989.
* P W. Baeten, S. Boel, A. Gergely and M. Claeys. Tandem mass spectrometry of neuropeptides using a hybrid instrument. 2nd International Symposium on Mass Spectrometry in the Health Sciences, San Francisco, U.S.A., 27 31 August 1989.
P J. Corthout, L.A.C. Pieters, M. Claeys, D. Vanden Berghe and A. Vlietinck. Isolation and characterization of an antivirally active ellagitannin from Spondias mombin L. (Anacardiaceae). 30th Annual Meeting of the American Society of Pharmacognosy, San Juan, Puerto Rico, 6 10 August 1989.
P J. Corthout, L. Üstünes, L. Pieters, W. Baeten, M. Claeys, A. Özer and A.J. Vlietinck. The isolation of a new alkaloid from Nitraria schoberi. 37th Annual Congress of the Society for Medicinal Plant Research, Braunschweig, Germany, 5 9 September 1989.
P A.M. Baldé, A. Gergely, L.A. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Antimicrobial alkaloids from Borreria verticillata. 37th Annual Congress of the Society for Medicinal Plant Research, Braunschweig, Germany, 5 9 September 1989.
* O J. Claereboudt, E.L. Esmans, E.G. Van den Eeckhout and M. Claeys. Fast atom bombardment and tandem mass spectrometry for the identification of nucleoside adducts with phenylglycidyl ether. International Symposium on the Analysis of Nucleoside, Nucleotide and Oligonucleotide Compounds, Antwerp, Belgium, 19 22 September 1989.
* P E.G. Van den Eeckhout, E.L. Esmans, J. Claereboudt, J. Coene and M. Claeys. Chromatography and characterization of phenylglycidyl ether nucleoside adducts. International Symposium on the Analysis of Nucleoside, Nucleotide and Oligonucleotide Compounds, Antwerp, Belgium, 19 22 September 1989.
P A. Hisham, L.A.C. Pieters, M. Claeys and A.J. Vlietinck. Acetogenins from Uvaria narum wall. 16de Symposium voor Farmacognosie, Utrecht, The Netherlands, 23 October 1989.
P J. Corthout, L.A.C. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Isolation and characterization of an antivirally active ellagitannin from Spondias mombin L. (Anacardiaceae). 16de Symposium voor Farmacognosie, Utrecht, The Netherlands, 23 October 1989.
* P J. Claereboudt, E.L. Esmans and M. Claeys. Investigation of the negative ion FAB MS/MS spectra of some pyrimidine nucleosides. 38th ASMS Conference on Mass Spectrometry and Allied Topics, Tucson, Arizona, U.S.A., 3 8 June 1990.
* P A. Gergely and M. Claeys. Hydrophobicity, an important factor for desorption ionization of peptides. 38th ASMS Conference on Mass Spectrometry and Allied Topics, Tucson, Arizona, U.S.A., 3 8 June 1990.
P A. Hisham, L.A.C. Pieters, R. Dommisse, M. Claeys, D. Vanden Berghe, S. Scharpé and A.J. Vlietinck. A new cytotoxic quaianolide glucoside from Elephantopus scaber. Conference on Biology and Chemistry of Active Natural Substances, Bonn, Germany, 17 22 July 1990.
P A.M. Baldé, L.A. Pieters, V. Wray, A. Gergely, M. Claeys, H. Kolodziej, D.A. Vanden Berghe and A.J. Vlietinck. New procyanidins with doubly linked structures from Pavetta owariensis. Conference on Biology and Chemistry of Active Natural Substances, Bonn, Germany, 17 22 July 1990.
P J. Corthout, L. Pieters, M. Claeys and A.J. Vlietinck.
Isolation and characterization of geraniin and galloyl-geraniin from Spondias mombin. Conference on Biology and Chemistry of Active Natural Substances, Bonn, Germany, 17 22 July 1990.
* O J. Claereboudt, E.L. Esmans, E.G. Van den Eeckhout and M. Claeys. Constant neutral loss scanning for the characterization and sensitive analysis of deoxynucleosides and derivatives desorbed by fast atom bombardment. 8th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 19-22 August, 1990.
* P A. Hisham, H. Van den Heuvel, A. Vlietinck and M. Claeys. Electron impact mass spectrometry for the structural characterization of acetogenins. 8th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 19-22 August, 1990.
* P Q.M. Li, H. Van den Heuvel and M. Claeys. Fast atom bombardment and tandem mass spectrometry for differentiation between 6- and 8-C-glycosidic flavonoids. 8th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 19-22 August, 1990.
* P A. Vertes, L. Balazs, R. Gijbels, L. Dillen, S. Boel and M. Claeys. Matrix-assisted laser desorption vs. fast atom bombardment for the direct identification of HPLC peptide fractions. 8th International Symposium on Mass Spectrometry in Life Sciences, Gent, Belgium, 19-22 August, 1990.
* P J. Claereboudt, M. Claeys, R. Gijbels and A. Vertes. Aryltriphenylphosphonium halides as "molecular thermometers" in matrix assisted laser desorption. 39th ASMS Conference on Mass Spectrometry and Allied Topics, Nashville, Tennessee, U.S.A., 19-24 May 1991.
* P T.D. McClure, K.H. Schram, J. Claereboudt and M. Claeys. FAB MS and MS/MS of TMS nucleoside derivatives: comparison of low versus high energy CID spectra for positive/negative ions. 39th ASMS Conference on Mass Spectrometry and Allied Topics, Nashville, Tennessee, U.S.A., 19-24 May 1991.
* P S. Boel, W. Baeten, L. Dillen and M. Claeys. Evidence for two possible mechanisms in the formation of peptide [B'n 1 + OH]+ ions. 39th ASMS Conference on Mass Spectrometry and Allied Topics, Nashville, Tennessee, U.S.A., 19-24 May 1991.
* P L. Dillen, S. Boel, W.P. De Potter and M. Claeys. Mass spectrometric identification of bovine chromaffin granule peptides. 39th ASMS Conference on Mass Spectrometry and Allied Topics, Nashville, Tennessee, U.S.A., 19-24 May 1991.
* O L. Dillen, S. Boel, W.P. De Potter and M. Claeys. Mass spectrometric identification of novel neuropeptides. Fisons Fine Analytical Days, Maastricht, The Netherlands, 7 May 1991.
P L. Dillen, S. Boel, W.P. De Potter and M. Claeys. Mass spectrometric identification of bovine chromaffin granule peptides. International Symposium on Chromaffin Cell Biology, Marburg, Germany, 19-23 August 1991.
* P J. Claereboudt, M. Claeys, R. Gijbels and A. Vertes. Energy transfer in matrix-assisted laser desorption probed by aryltriphenylphosphonium salts as "molecular thermometers". 12th International Mass Spectrometry Conference, Amsterdam, The Netherlands, 26-30 August 1991.
* P L. Dillen, S. Boel, W.P. De Potter and M. Claeys. Mass spectrometric identification of bovine chromaffin granule peptides. 12th International Mass Spectrometry Conference, Amsterdam, The Netherlands, 26-30 August 1991.
* P S. Boel, W. Baeten, L. Dillen and M. Claeys. Evidence for two possible mechanisms in the formation of peptide [B'n 1 + OH]+ ions. 12th International Mass Spectrometry Conference, Amsterdam, The Netherlands, 26-30 August 1991.
* P Q.M. Li, H. Van den Heuvel, L. Dillen and M. Claeys. Fast atom bombardment and tandem mass spectrometry for differentiation of 6-C- and 8-C-glycosidic flavonoids. 12th International Mass Spectrometry Conference, Amsterdam, The Netherlands, 26-30 August 1991.
* P J. Claereboudt, M. Claeys, R. Gijbels and A. Vertes. Improved analysis of organic salts by matrix-assisted laser microprobe mass spectrometry. 12th International Mass Spectrometry Conference, Amsterdam, The Netherlands, 26-30 August 1991.
* P T.D. McClure, K.H. Schram, J. Claereboudt and M. Claeys. FAB MS and MS/MS of TMS nucleoside derivatives; comparison of low versus high energy CID spectra for positive / negative ions. 12th International Mass Spectrometry Conference, Amsterdam, The Netherlands, 26-30 August 1991.
P K. Cimanga, L. Pieters, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Biological activities of cryptolepine, an alkaloid from Cryptolepis sanguinolenta. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991.
P A.M. Baldé, M. Calomme, L. Pieters, M. Claeys, D.A. Vanden Berghe and A.J. Vlietinck. Structure and antimicrobial activity relationship of double-linked procyanidins. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991.
P L. Pieters, Q.R. Yang, M. Claeys, D. Vanden Berghe and A.J. Vlietinck. Biological activities of 3',4-O-dimethylcedrosin and taspine: two constituents from Sangre de Drago. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991.
P G. Niyonzima, L. Pieters, A.M. Baldé, M. Claeys, G.M. Laekeman and A.J. Vlietinck. Isolation of 6-O-caffeoylcatalpol and some other compounds form Spathodea campanulata. 39th Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 3-7 September 1991.
P Q.M. Li, H. Van den Heuvel, L. Dillen and M. Claeys. Fast atom bombardment and tandem mass spectrometry for differentiation of 6- and 8-C-glycosidic flavonoids. International Symposium on New Drug Research and Development, Beijing, P.R. China, 22-25 October 1991.
* P Q.M. Li, H. Van den Heuvel and M. Claeys. Fast atom bombardment and tandem mass spectrometry for differentiation of isomeric C-glycosidic flavonoids. 40th ASMS Conference on Mass Spectrometry and Allied Topics, Washington D.C., U.S.A., 31 May - 5 June 1992.
P A.M. Baldé, S. Geerts, F. Ceulemans, T. De Bruyne, L. Pieters, M. Claeys and A.J. Vlietinck. Molluscicidal activities of doubly-linked proanthocyanidins from Pavetta owariensis. 40th Annual Congress on Medicinal Plant Research, Trieste, Italy, 1-5 September 1992.
P J.B. Sindambiwe, A. Baldé, T. De Bruyne, L. Pieters, H. Van den Heuvel, M. Claeys, A. Vlietinck and D. Vanden Berghe. New antiviral triterpenoid saponins from Maesa lanceolata. 40th Annual Congress on Medicinal Plant Research, Trieste, Italy, 1-5 September 1992.
P D.C. Zhu, R. Gijbels, S.C. Emberson, A. Lucas, H. Van den Heuvel, Q.M. Li and M. Claeys. Determination of fullerenes in soot by electron impact and fast atom bombardment mass spectrometry. 12th International Symposium on Microchemical Techniques, Cordoba, Spain, 7-12 September 1992.
* P D.C. Zhu, R. Gijbels, S.C. Emberson, H. Van den Heuvel, Q.M. Li and M. Claeys. Determination of fullerenes in soot by electron impact and fast atom bombardment mass spectrometry. 19th Annual Meeting of the British Mass Spectrometry Society, St. Andrews, Scotland, U.K., 13-16 September 1992.
* P S. Boel, L. Dillen and M. Claeys. Mass spectrometric behaviour and fragmentation characteristics of neuropeptides upon CID at different collision energy regimes using a hybrid instrument. 19th Annual Meeting of the British Mass Spectrometry Society, St. Andrews, Scotland, U.K., 13-16 September 1992.
* P Q.M. Li, H. Van den Heuvel, L. Dillen and M. Claeys. Fast atom bombardment and tandem mass spectrometry for differentiation of isomeric C-glycosidic flavonoids. 19th Annual Meeting of the British Mass Spectrometry Society, St. Andrews, Scotland, U.K., 13-16 September 1992.
* O M. Claeys, H. Van den Heuvel, J. Claereboudt, J. Corthout, L. Pieters and A.J. Vlietinck. Double bond localization in mono-unsaturated long-chain phenolic acids by fast atom bombardment and collsionally induced dissociation. 11th Informal Meeting on Mass Spectrometry: Budapest 93, Hungary, 26-28 April 1993.
* P A. Van Cleempoel, D.C. Zhu, R. Gijbels, S.C. Emberson, H. Van den Heuvel, Q.M. Li and M. Claeys. Determination of fullerenes in soot by electron impact and fast atom bombardment mass spectrometry. 11th Informal Meeting on Mass Spectrometry: Budapest 93, Hungary, 26-28 April 1993.
P J. Corthout, L. Pieters, M. Claeys, S. Geerts, D. Vanden Berghe and A. Vlietinck. Antibacterial and molluscicidal phenolic acids from Spondias mombin. 34th Annual Meeting of the American Society of Pharmacognosy, San Diego, California, U.S.A., 18-22 July 1993.
P A. Hisham, U. Sreekala, L. Pieters, T. De Bruyne, H. Van den Heuvel and M. Claeys. Epoxymurins A and B: two biogenetic precursors of annonaceous acetogenins from Annona muricata. 34th Annual Meeting of the American Society of Pharmacognosy, San Diego, California, U.S.A., 18-22 July 1993.
P K. Cimanga, T. De Bruyne, B. Van Poel, L. Pieters, M. Claeys, D. Vanden Berghe and A. Vlietinck. Complement-inhibiting constituents of Morinda morindoides. 41st Annual Congress on Medicinal Plant Research, Düsseldorf, Germany, 31 August - 4 September 1993.
* P M. Claeys and H. Van den Heuvel. Radical processes in remote charge fragmentations of lithium-cationized long-chain alkenyl and alkadienyl salicylic acids. 20th Anual Meeting of the British Mass Spectrometry Society, Canterbury, U.K., 13-15 September 1993.
P A. Hisham, U. Sreekala, L. Pieters, T. De Bruyne, H. Van den Heuvel and M. Claeys. Epoxymurins A and B, two biogenetic precursors of Annonaceous acetogenins from Annona muricata. 18th Belgian-Dutch "LOF-Symposium" on Pharmacognosy and Natural Products Chemistry, Groningen, The Netherlands, 19 November 1993.
P A. Van Cleempoel, M. Claeys and R. Gijbels. Bepaling van fullerenen in roetextracten d.m.v. omgekeerde fase HPLC en massaspectrometrische karakterisatie. 2de Congres Jong-Koninklijke Vlaamse Chemische Vereniging, Antwerpen, Belgium, 9 March 1994.
P A. Baldé, L. Pieters, T. De Bruyne, H. Kolodziej, D. Vanden Berghe, M. Claeys and A. Vlietinck. Oligomeric proanthocyanidins containing one or two double interflavanoid (A-type) linkages from Pavetta owariensis. International Research Congress on Natural Products, Halifax, Nova Scotia, Canada, 31 July - 4 August 1994.
* P M. Przybylski, M. Claeys, P. Roepstorff, S. Foti, A. Van Dorsselaer, E. Schmid, M. Mák and M. Ryska. E.C.-project: peptide and protein structure elucidation by mass spectrometry: analytical development and bioanalytical application. 13th International Mass Spectrometry Conference, Budapest, Hungary, 29 August - 2 September 1994.
* P L. Dillen, X. Y. Zhang, W. De Potter, E. Esmans and M. Claeys. Mass spectrometric characterization of chromaffin granule peptides. 3rd International Symposium on Mass Spectrometry in the Health and Life Sciences, San Francisco, California, U.S.A., 13 18 September 1994.
* O M. Claeys, Q.M. Li, H. Van den Heuvel and L. Dillen. Structural characterization of flavonoid glycosides using FAB and tandem mass spectrometry. Fisons Instruments Benelux Organic MS User Meeting, Antwerpen, Belgium, 20 21 October 1994.
* P Q.M. Li, H. Van den Heuvel, A. Shahat, L.A.C. Pieters, A.J. Vlietinck and M. Claeys. Mass spectral determination of the glycosylation position in mono-O-glycosyl flavonoids using fast atom bombardment and tandem mass spectrometry. 19th LOF Symposium on Pharmacognosy and Natural Products Chemistry, Antwerpen, Belgium, 25 November 1994.
P K. Cimanga, A. Lasure, T. De Bruyne, B. Van Poel, M. Claeys, L. Pieters, D. Vanden Berghe and A. Vlietinck. Anti-complementary constituents from Bridelia ferruginea. 19th LOF Symposium on Pharmacognosy and Natural Products Chemistry, Antwerpen, Belgium, 25 November 1994.
* O L. Dillen, X.Y. Zhang and M. Claeys. Structural studies of chromaffin peptides. 2nd EU Network Meeting "Peptide and Protein Structure Analysis by Mass Spectrometry", Konstanz, Germany, 8-10 March 1995.
* P Q.M. Li, H. Van den Heuvel and M. Claeys. Determination of the glycosylation position in mono-O-glycosyl flavonoids. 43rd ASMS Conference on Mass Spectrometry and Allied Topics, Atlanta, GA, U.S.A., 21-26 May 1995.
* P M. Claeys, H. Van den Heuvel, S. Chen, P.J. Derrick, F.A. Mellon and K.R. Price. Low-energy collision-induced dossociation of protonated glycoalkaloids and related aglycones. 43rd ASMS Conference on Mass Spectrometry and Allied Topics, Atlanta, GA, U.S.A., 21-26 May 1995.
* P L. Dillen, X.Y. Zhang and M. Claeys. Mass spectrometric characterization of vasostatin I, a chromogranin A-derived peptide isolated from chromaffin cells. 3rd International Symposium on Applied Mass Spectrometry in the Health Sciences and European Tandem Mass Spectrometry Conference, Barcelona, Spain, 9-13 July 1995.
* P M. Claeys, H. Van den Heuvel, S. Chen, P.J. Derrick, F.A. Mellon and K.R. Price. Comparison of high- and low-energy collision-induced dissociation tandem mass spectrometry in the analysis of glycoalkaloids and their aglycones. 3rd International Symposium on Applied Mass Spectrometry in the Health Sciences and European Tandem Mass Spectrometry Conference, Barcelona, Spain, 9-13 July 1995.
* P L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Characterization of 1- and 2-monoacylglycerides by fast atom bombardment, collision-induced dissociation and tandem mass spectrometry. 3rd International Symposium on Applied Mass Spectrometry in the Health Sciences and European Tandem Mass Spectrometry Conference, Barcelona, Spain, 9-13 July 1995.
* P C. Borges, M.A. Almoster-Ferreira and M. Claeys. CaracterizaHno estrutural de derivados furanosidicos por espectrometria. de massa. 2nd Encontro de Espectrometria de Massa, Lisbon, Portugal, 5-7 December 1995.
* P L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Low-energy induced dissociation patterns of molecule ions generated from ricinoleic and ricinelaidic acid. 2nd Encontro de Espectrometria de Massa, Lisbon, Portugal, 5-7 December 1995.
* O X.Y. Zhang, L. Dillen and M. Claeys. Characterization of unstable intermediates and oxidized products formed during CNBr degradation of peptides and proteins. 3rd EU Network Meeting "Peptide and Protein Structure Analysis by Mass Spectrometry", Vienna, Austria, 31 March-2 April 1996.
* O X.Y. Zhang, L. Dillen, M. Claeys, S. Bauer and M. Przybylski. Mass spectral characterization of vasostatins and enzymatic degradation products. 3rd EU Network Meeting "Peptide and Protein Structure Analysis by Mass Spectrometry", Vienna, Austria, 31 March-2 April 1996.
* O S. Bauer, X.Y. Zhang, M. Claeys and M. Przybylski. Chromogranin A, isolation and identification of posttranslational modifications. 3rd EU Network Meeting "Peptide and Protein Structure Analysis by Mass Spectrometry", Vienna, Austria, 31 March-2 April 1996.
O A. Van Cleempoel, R. Gijbels, M. Claeys and H. Van den Heuvel. Mass spectrometric characterization of ozonated C60 and C70. 3de Congres Jong-Koninklijke Vlaamse Chemische Vereniging, Gent, Belgium, 10 April 1996.
* P A. Van Cleempoel, R. Gijbels, M. Claeys and H. Van den Heuvel. Mass spectrometric characterization of ozonated C60 and C70. 14th Informal Meeting on Mass Spectrometry, Padua, Italy, 15-17 April 1996.
* P X.Y. Zhang, L. Dillen, M. Claeys, W. Van Dongen, K. Vanhoutte and E. Esmans. Characterization of an unstable intermediate formed during cyanogenbromide cleavage of ± endorphin. 44th ASMS Conference on Mass Spectrometry and Allied Topics, Portland, OR, U.S.A., 12-16 May 1996.
* P L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Low-energy CID of molecule ions generated from ricinoleic and ricinelaidic acid. 44th ASMS Conference on Mass Spectrometry and Allied Topics, Portland, OR, U.S.A., 12-16 May 1996.
P P. Scutareanu, J. Boon, M. Claeys, G. van der Doelen, Y.L. Ma and M.W. Sabelis. HPLC Pattern and composition of leaf polyphenols in pear trees infested by Psylla pyricola and mechanically damaged. 18th International Conference on Polyphenols, Bordeaux, France, 15-18 July 1996.
P K. Cimanga, T. De Bruyne, B. Van Poel, Y.L. Ma, M. Claeys, L. Pieters, D. Van den Berghe and A.J. Vlietinck. In vitro anticomplementary activity of a kaempferol 7-O-triglycoside from the leaves of Morinda morindoides. 44th Annual Congress on Medicinal Plant Research, Prague, Czech Republic, 3-7 September 1996.
P S.J. Chiou, A. De Loof, L. Schoofs, P. Verhaert, D. Daloze, J.M. Pasteels, J. Vanden Broeck and M. Claeys. Beta-alanine-tyrosine and 3-hydroxykynurenine: identification of the first "paralysins", compounds from immature insects toxic to adults. Conference of European Comparative Endocrinologists: from Molecular to Integrative Biology, Rouen, France, 10-14 September 1996.
* O M. Claeys, L. Nizigiyimana, H. Van den Heuvel and P.J. Derrick. Mechanistic aspects of charge-remote fragmentation in saturated and mono-unsaturated fatty acid derivatives. Evidence for homolytic cleavage. 1st Annual Meeting of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, Belgium, 13 September 1996.
* P Y.L. Ma, Q.M. Li, H. Van den Heuvel and M. Claeys. Characterization of flavone and flavonol aglycones by collision-induced-dissociation tandem mass spectrometry. 1st Annual Meeting of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, Belgium, 13 September 1996.
* P L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Comparison of low- and high-energy collision-induced dissociation tandem mass spectrometry in the analysis of ricinoleic and ricinelaidic acid. 1st Annual Meeting of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, Belgium, 13 September 1996.
* P A. Van Cleempoel, R. Gijbels, M. Claeys and H. Van den Heuvel. Characterization of ozonated C60 and C70 by HPLC and low- and high-energy collision-induced-dissociation tandem mass spectrometry. 1st Annual Meeting of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, Belgium, 13 September 1996.
* P X.Y. Zhang, L. Dillen, M. Claeys, K. Vanhoutte, W. Van Dongen and E. Esmans. Characterization of unstable intermediates and oxidized products formed during cyanogen bromide cleavage of peptides and proteins by electrospray mass spectrometry. 1st Annual Meeting of the Belgian Society for Mass Spectrometry, Louvain-la-Neuve, Belgium, 13 September 1996.
* O M. Claeys, L. Nizigiyimana, H. Van den Heuvel and P.J. Derrick. Mechanistic aspects of charge-remote fragmentation in saturated and mono-unsaturated fatty acid derivatives. Evidence for homolytic cleavage. 9th Annual Tandem Mass Spectrometry Workshop, Canada, 4-7 December 1996.
* P L. Nizigiyimana, H. Van den Heuvel and M. Claeys. Comparison of low- and high-energy collision-induced-dissociation tandem mass spectrometry in the analysis of ricinoleic and ricinelaidic acid. 9th Annual Tandem Mass Spectrometry Workshop, Lake Louise, Canada, 4-7 December 1996.
* O X.Y. Zhang, S. Bauer, M. Przybylski and M. Claeys.
Mass spectral characterization of vasostatin II and determination of the enzyme specificity of dipeptidyl peptidase IV.
4th EU-HCM Network Meeting on Peptide and Protein Structure Elucidation by Mass Spectrometry, Catania, Sicily, 26-30 April 1997.
* O S. Bauer, X. Y. Zhang, M. Claeys and M. Przybylski.
Isolation and characterization of chromogranin A and its N-terminal processing products, vasostatin I and II. Determination of the posttranslational modifications of chromogranin A.
4th EU-HCM Network Meeting on Peptide and Protein Structure Elucidation by Mass Spectrometry, Catania, Sicily, 26-30 April 1997.
* O L. Huysmans, G. Thonus, H. Van den Heuvel, A. Haemers and M. Claeys.
Study of the proline effect in the collisional induced dissociation of protonated peptides.
4th EU-HCM Network Meeting on Peptide and Protein Structure Elucidation by Mass Spectrometry, Catania, Sicily, 26-30 April 1997.
* P Y.L. Ma, Q.M. Li, H. Van den Heuvel and M. Claeys.
Characterization of flavone and flavanol aglycones by collision-induced dissociation tandem mass spectrometry.
15th Informal Meeting on Mass Spectrometry, Smolenice, Slovakia, 10-16 May 1997.
* P X.Y. Zhang, L. Dillen, M. Claeys, K. Vanhoutte, W. Van Dongen and E. Esmans.
Characterization of intermediate products formed during cyanogen bromide cleavage of peptides and proteins by electrospray tandem mass spectrometry.
15th Informal Meeting on Mass Spectrometry, Smolenice, Slovakia, 10-16 May 1997.
* O M. Claeys, L. Nizigiyimana and H. Van den Heuvel.
Mechanistic aspects of charge-remote fragmentation in saturated and unsaturated fatty acid derivatives.
14th International Mass Spectrometry Conference, Tampere, Finland, 25-29 August 1997.
* P X.Y. Zhang, L. Huysmans, L. Dillen, M. Claeys, K. Vanhoutte, W. Van Dongen and E. Esmans.
Characterization of intermediates formed during cyanogen bromide cleavage of peptides and proteins.
14th International Mass Spectrometry Conference, Tampere, Finland, 25-29 August 1997.
* P A. Van Cleempoel, R. Gijbels, M. Claeys and H. Van den Heuvel.
Characterization of ozonated C60 and C70 by HPLC and low- and high-energy CID mass spectrometry.
14th International Mass Spectrometry Conference, Tampere, Finland, 25-29 August 1997.
* P L. Nizigiyimana and M. Claeys.
Charge-remote and charge-proximate fragmentation in Li+ and Na+ cationized fatty acid derivatives.
14th International Mass Spectrometry Conference, Tampere, Finland, 25-29 August 1997.
* P C. Borges, H. Van den Heuvel, M. Claeys and M.A. Almoster-Ferreira.
Stereoisomeric hexofuranuronamides: Structural characterization by CI and LSIMS.
14th International Mass Spectrometry Conference, Tampere, Finland, 25-29 August 1997.
* P A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Characterization of urban atmospheric aerosols by gas chromatography/mass spectrometry.
16th Informal Meeting on Mass Spectrometry, Budapest, Hungary, 4-6 May 1998.
* P C. Denekamp, L. Huysmans, M. Claeys, C. Borges and G. Pocsfalvi.
Examination of charge-remote fragmentation in N-alkyltriphenylphosphonium cations.
16th Informal Meeting on Mass Spectrometry, Budapest, Hungary, 4-6 May 1998.
* P M. Claeys, L. Nizigiyimana, H. Van den Heuvel, I. Vedernikova and A. Haemers.
High-energy collision-induced dissociation of alkali-cationized fatty acid esters. A new mechanistic proposal.
46th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, Florida, 31 May 4 June 1998.
* P L. Huysmans, X.Y. Zhang and M. Claeys.
Evidence for formation of intermediates during cyanogen bromide cleavage of peptides and proteins.
46th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, Florida, 31 May 4 June 1998.
* P L. Huysmans, H. Van den Heuvel and M. Claeys.
Charge-remote hydrogen removal in protonated and alkali-cationized fatty acid esters upon cesium ion bombardment.
46th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, Florida, 31 May 4 June 1998.
* P L. Huysmans, H. Van den Heuvel and M. Claeys.
Charge-remote hydrogen removal in protonated and alkali-cationized fatty acid esters upon cesium ion bombardment.
3rd Annual Meeting of the Belgian Society for Mass Spectrometry on Fourier Transform and Time-of-Flight Mass Spectrometry, Mons, Belgium, 11 September 1998.
* P A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Characterization of urban atmospheric aerosols by gas chromatography/mass spectrometry.
3rd Annual Meeting of the Belgian Society for Mass Spectrometry on Fourier Transform and Time-of-Flight Mass Spectrometry, Mons, Belgium, 11 September 1998.
* P M. Claeys, L. Nizigiyimana, C. Denekamp, H. Van den Heuvel , I. Vedernikova and A. Haemers.
High-energy collision-induced dissociation of alkali-cationized fatty acid esters. A new mechanistic proposal.
3rd Annual Meeting of the Belgian Society for Mass Spectrometry on Fourier Transform and Time-of-Flight Mass Spectrometry, Mons, Belgium, 11 September 1998.
* P C. Denekamp, G. Pocsfalvi and M. Claeys.
Charge-remote and charge-proximate fragmentation in N-alkylphosphonium cations.
Symposium of the Dutch Society for Mass Spectrometry on Mass Spectrometry Unlimited, Ede, The Netherlands, 17-18 March 1999.
* O M. Claeys.
Structure characterization of chromogranin A, a multifunctional protein, and its processing products by mass spectrometry.
EU-Network Concluding Conference on Peptide and Protein Structure Elucidation by Mass Spectrometry, Konstanz, Germany, 6-7 April 1999.
* P C. Denekamp, G. Pocsfalvi, M. Claeys, C. Seto, J.S. Grossert, D. Waddell, J.M. Curtis and R.K. Boyd.
Charge-remote and charge-proximate fragmentation in N-alkyltriphenylphosphonium cations.
47th ASMS Conference on Mass Spectrometry and Allied Topics, Dallas, Texas, USA, 13-17 June 1999.
* P C. Seto, J.S. Grossert, D.S. Waddell, J.M. Curtis, R.K. Boyd, C. Denekamp, L. Nizigiyimana and M. Claeys.
Mechanistic studies of high-energy CAD of quaternary ammonium ions.
47th ASMS Conference on Mass Spectrometry and Allied Topics, Dallas, Texas, USA 13-17 June 1999.
* P Y.L. Ma, I. Vedernikova, H. Van den Heuvel and M. Claeys.
Internal glucose residue loss in protonated O-diglycosyl flavonoids upon low-energy collision-induced dissociation.
4th Annual Meeting of the Belgian Society for Mass Spectrometry on Mass Spectrometry of Oligomeric/Polymeric Materials and Biomolecules, Leuven, Belgium, 9-10 September 1999.
* P F. Cuyckens, V.G. Voinov, H. Van den Heuvel and M. Claeys.
Collision-induced dissociation of deprotonated flavonoid aglycons and O-diglycosides.
4th Annual Meeting of the Belgian Society for Mass Spectrometry on Mass Spectrometry of Oligomeric/Polymeric Materials and Biomolecules, Leuven, Belgium, 9-10 September 1999.
* P A. Kubátová, R. Vermeylen, M. Claeys, P. Cafmeyer, G. Roberts, P. Artaxo and W. Maenhaut.
Characterization of oxidative degradation products in tropical aerosols.
4th Annual Meeting of the Belgian Society for Mass Spectrometry on Mass Spectrometry of Oligomeric/Polymeric Materials and Biomolecules, Leuven, Belgium, 9-10 September 1999.
* P V.G. Voinov and M. Claeys.
Charge-remote fragmentation of fatty acids: Examination using resonance electron capture mass spectrometry.
4th Annual Meeting of the Belgian Society for Mass Spectrometry on Mass Spectrometry of Oligomeric/Polymeric Materials and Biomolecules, Leuven, Belgium, 9-10 September 1999.
* P A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer, G. Roberts, P. Artaxo and W. Maenhaut.
Carbonaceous aerosol characterization in the Amazon basin, Brazil.
6th International Scientific Conference of the Global Atmospheric Chemistry Project, Bologna, Italy, 12-19 September 1999.
* P A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Characterization of novel dicarboxylic acids and related compounds in urban atmospheric aerosols.
Eurotrac-2 Symposium 2000 on Transport and Chemical Transformation of Pollutants in the Troposphere, Garmisch-Partenkirchen, Germany, 27-31 March 2000.
* O V. Voinov, H. Van den Heuvel and M. Claeys.
Charge-remote fragmentation of fatty acids in resonance electron capture.
18th Informal Meeting on Mass Spectrometry, Prague, Czech Republic, 30 April 4 May 2000.
* P Z. Zdráhal, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Characterization of novel dicarboxylic and tricarboxylic acids in tropical aerosols.
18th Informal Meeting on Mass Spectrometry, Prague, Czech Republic, 30 April 4 May 2000.
* O M. Claeys and V. Voinov.
Charge-remote fragmentation characteristics of monounsaturated fatty acids in resonance electron capture. Differentiation between cis and trans isomers.
15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000.
* P V. Voinov, M. Claeys and H. Van den Heuvel.
Charge-remote fragmentation of fatty acids in resonance electron capture: Involvement of an excited state.
15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000.
* P F. Cuyckens, H. Van den Heuvel, M. Claeys and Y.L. Ma.
Mass spectrometric methods for characterization and differentiation of isomeric O-diglycosyl flavonoids.
15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000.
* P C. Denekamp, M. Claeys, G. Pocsfalvi and Y.L. Ma.
Mechanism of cross-ring cleavage reactions in glycoconjugates: Effect of the alkali ion.
15th International Mass Spectrometry Conference, Barcelona, Spain, 27 August 1 September 2000.
* P F. Cuyckens, H. Van den Heuvel, M. Claeys and Y.L. Ma.
Mass spectrometric methods for characterization and differentiation of isomeric O-diglycosyl flavonoids.
5th Annual Meeting of the Belgian Society for Mass Spectrometry on "Mass Spectrometry in Pharmaceutical Analysis", Braine-l'Alleud, 22 September 2000.
* P V. Voinov, M. Claeys and H. Van den Heuvel.
Charge-remote fragmentation of fatty acids in resonance electron capture.
5th Annual Meeting of the Belgian Society for Mass Spectrometry on "Mass Spectrometry in Pharmaceutical Analysis", Braine-l'Alleud, 22 September 2000.
* O Z. Zdráhal, R. Vermeylen, M. Claeys, W. Maenhaut, P. Guyon and P. Artaxo.
Characterization of novel di and tricarboxylic acids in fine tropical aerosols collected in Rondonia, Brazil.
Seventh International Conference on Carbonaceous Particles in the Atmosphere, San Juan, Puerto Rico, 26-29 November 2000.
* P A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Particulate organic compounds in Gent, Belgium, during winter and summer of 1998.
Seventh International Conference on Carbonaceous Particles in the Atmosphere, San Juan, Puerto Rico, 26-29 November 2000.
* P A. Kubátová, R. Vermeylen, M. Claeys, J. Cafmeyer and W. Maenhaut.
Particulate organic compounds in Gent, Belgium: Characterisation, sources, and seasonal differences.
Eurotrac-AEROSOL workshop, Cologne, Germany, 21-22 March 2001.
* P J. Jekö, R. Vermeylen, M. Claeys and W. Maenhaut.
Characterization of humic-like substances in atmospheric aerosols.
19th Informal Meeting on Mass Spectrometry, Noszvaj, Hungary, 29 April - 3 May 2001.
* O M. Claeys, F. Cuyckens, H. Van den Heuvel, R.K. Cimanga, L. Pieters, and A. Vlietinck.
Mass spectrometric investigations on flavonoid glycosides and related plant secondary metabolites.
19th Informal Meeting on Mass Spectrometry, Noszvaj, Hungary, 29 April - 3 May 2001.
* O Z. Zdráhal, J. Oliveira, R. Vermeylen, M. Claeys and W. Maenhaut.
Levoglucosan: a marker for biomass burning.
Workshop on Physico chemical Characterization, Source Identification, and Transboundary Transport of Atmospheric Aerosols over Southern Africa, Antwerp, Belgium, 23 May 2001.
* P Z. Zdráhal, R. Vermeylen, M. Claeys and W. Maenhaut.
Characterization of tricarboxylic acids in tropical biomass burning aerosols.
49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, USA, 27-31 May 2001.
* P M. Claeys, L. Nizigiyimana, H. Van den Heuvel and V.G. Voinov.
Charge-remote fragmentation of fatty acid carboxylate anions in collisional activation.
49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, USA, 27-31 May 2001.
* P V.G. Voinov, H. Van den Heuvel and M. Claeys.
Charge-remote fragmentation of fatty acids in resonance electron capture.
49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, USA, 27-31 May 2001.
* P F. Cuyckens, R. Rozenberg, E. de Hoffmann and M. Claeys.
Structure characterization of flavonoid O-diglycosides by positive and negative nano-ESI ion trap mass spectrometry.
49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, USA, 27-31 May 2001.
* O M. Claeys.
Mass spectrometric characterization of plant glycoconjugates, fatty acids and haeme-drug complexes.
(invited lecture, plenary)
25th Annual Meeting of the British Mass Spectrometry Society, Southampton, UK, 9-12 September 2001.
* P F. Cuyckens and M. Claeys.
Direct stereochemical assignment of hexose residues in flavonoid glycosides.
6th Annual Meeting of the Belgian Society for Mass Spectrometry, Liège, Belgium, 21 September 2001.
* O M. Claeys, F. Cuyckens, H. Van den Heuvel, R.K. Cimanga, L. Pieters and A. Vlietinck.
Mass spectrometry in the structural study of flavonoids and related plant natural products.
(invited lecture)
9th Beijing Conference and Exhibition on Instrumental Analysis, Beijing, P.R. China, 17-20 October 2001.
* O V.G. Voinov, H. Van den Heuvel and M. Claeys.
Charge-remote fragmentation of fatty acids in resonant electron capture.
(invited lecture)
9th Beijing Conference and Exhibition on Instrumental Analysis, Beijing, P.R. China, 17-20 October 2001.
* P W. Maenhaut, and M. Claeys.
Development and implementation of methods for obtaining chemical mass closure for fine and size-fractionated aerosols.
EUROTRAC 2 Symposium 2002, Garmisch-Partenkirchen, Germany, 11 15 March 2002, EUROTRAC International Scientific Secretariat, Munich, Germany, 2002, poster AER-12.
- O F. Cuyckens, A. Shahat, L. Pieters and M. Claeys.
Pitfalls in the mass spectrometric structure determination of complex flavonol O-glycosides.
Drug Analysis 2002 Symposium, Brugge, Belgium, 21-25 April 2002.
* P V. Pashynska, R. Vermeylen, G. Vas, M. Claeys and W. Maenhaut.
Development of a gas chromatography/ion trap mass spectrometry method for determination of levoglucosan and related saccharidic compounds in atmospheric aerosols.
20th Informal Meeting on Mass Spectrometry, 12 16 May 2002, Fiera di Primiero, Italy, pp. 103-104. (ISBN: 88-86281-69-2).
* P P. Cuyckens and M. Claeys.
Direct stereochemical assignment of hexose residues in flavonoid glycosides by fast atom bombardment and electrospray ionization mass spectrometry.
20th Informal Meeting on Mass Spectrometry, 12 16 May 2002, Fiera di Primiero, Italy, p. 83. (ISBN: 88-86281-69-2).
* P W. Wang, H. Van den Heuvel, F. Cuyckens, K. Cimanga, L. Pieters and M. Claeys.
Characterization of iridoid O-glucosides by electrospray ionization and collision-induced dissociation of [M + Na]+ ions.
20th Informal Meeting on Mass Spectrometry, 12 16 May 2002, Fiera di Primiero, Italy, p. 131. (ISBN: 88-86281-69-2).
* P W. Wang, F. Cuyckens, M. Claeys, V. Steenkamp, M.J. Stewart and V.A. Luyckx.
Mass spectral structure elucidation of p-coumaroyl C-glycoconjugates in a toxic herbal remedy.
20th Informal Meeting on Mass Spectrometry, 12 16 May 2002, Fiera di Primiero, Italy, p. 133. (ISBN: 88-86281-69-2).
- P F. Cuyckens, A. Shahat, L. Pieters and M. Claeys.
Mass spectrometric structure determination of complex acylated flavonol O-glycosides.
50th American Society of Mass Spectrometry Conference, Orlando, USA, 2-6 June 2002. 2 pages, Proceedings CDrom.
- O M.O. Andreae, P. Artaxo, M. Claeys, S. Decesari, M.C. Facchini, S. Fuzzi, H. F. Graf, B. Graham, P. Guyon, W. Maenhaut, S. Matthias Maser, O. Mayol Bracero, G. Roberts, D. Rosenfeld, J. Sciare and M.A. Silva Dias.
Aerosols, clouds, and climate over the Amazon Basin.
2nd International LBA Scientific Conference, Manaus, Brazil, 7 - 10 July 2002.
* P F. Cuyckens and M. Claeys.
Structural characterization of flavonoid O-glycosides by mass spectral approaches.
7th Annual Meeting of the Belgian Society for Mass Spectrometry, Ghent, Belgium, 2 September 2002, pp. 24-25.
* P V. Pashynska, R. Vermeylen, G. Vas, M. Claeys and W. Maenhaut.
Development of a gas chromatography/ion trap mass spectrometry method for determination of levoglucosan and related saccharidic compounds in atmospheric aerosols.
7th Annual Meeting of the Belgian Society for Mass Spectrometry, 2 September 2002, Ghent, Belgium, pp. 49-50.
* P G. Vas, R. Vermeylen, M. Claeys and W. Maenhaut.
Determination of oxygenated short-chain carboxylic acids in atmospheric aerosols by capillary gas chromatography with ion trap mass spectrometric detection.
7th Annual Meeting of the Belgian Society for Mass Spectrometry, 2 September 2002, Ghent, Belgium, p. 51.
* P W. Wang, F. Cuyckens, H. Van den Heuvel, M. Claeys, S. Apers, L. Pieters, V. Steenkamp, M.J. Stewart and V.A. Luyckx.
Structure elucidation of chromone C-glucosides in a toxic herbal remedy.
7th Annual Meeting of the Belgian Society for Mass Spectrometry, 2 September 2002, Ghent, Belgium, p. 53.
- O M.O. Andreae, P. Artaxo, M. Claeys, S. Fuzzi, H. P. Graf, A. Gelencsér, W. Maenhaut, F.J. Nober, M. Posfai, G. Roberts, D. Rosenfeld, Y. Rudich, M.A. Silva Dias, E. Swietlicki and E. Tagliavini.
Smoke aerosols, clouds, rainfall and climate: aerosols from biomass burning perturb global and regional climate.
Sixth International Aerosol Conference, Abstracts, Editor C. S. Wang, 8-13 September 2002, Taipei, Taiwan, Volume 1, Chinese Association for Aerosol Research in Taiwan, pp. 29-30 (ISBN: 986-80544-1-9).
* P W. Maenhaut, A. Onjia, X. Chi, J. Cafmeyer, V. Pashynska, R. Vermeylen, G. Vas and M. Claeys.
Speciation of water soluble organic aerosol at Skukuza, South Africa, during SAFARI 2000.
Joint International Symposium on Atmospheric Chemistry within the Earth System: From Regional Pollution to Global Climate Change, 18 25 September 2002, Creta Maris, Hersonissos, Heraklion, Crete, Greece, p. 161.
* P M. Claeys, B. Graham, V. Pashynska, R. Vermeylen, G. Vas, P. Guyon, P. Artaxo, W. Maenhaut and M.O. Andreae.
Polar oxygenated mono and dicarboxylic acids in tropical wet season aerosols collected in Amazonia, Brazil.
Joint International Symposium on Atmospheric Chemistry within the Earth System: From Regional Pollution to Global Climate Change, 18 25 September 2002, Creta Maris, Hersonissos, Heraklion, Crete, Greece, p. 184.
* P V. Pashynska, R. Vermeylen, G. Vas, M. Claeys and W. Maenhaut.
Development of a gas chromatography / ion trap mass spectrometry method for determination of levoglucosan and related saccharidic compounds in atmospheric aerosols.
6th Euroconference on Environmental Analytical Chemistry. New Horizons for environmental analytical chemistry through miniaturisation and nanotechnology, 18 22 October 2002, Centerparcs Erperheide, Peer, Belgium, p. 85.
* O F. Cuyckens and M. Claeys.
Structural characterization of flavonoid O-glycosides by mass spectral approaches.
21st Informal Meeting on Mass Spectrometry, Antwerp, Belgium, 11-15 May 2003, p. 31.
* P G. Vas, R. Vermeylen, M. Claeys and W. Maenhaut.
Determination of polar oxygenated carboxylic acids in atmopsheric aerosols by capillary gas chromatography with mass spectrometric detection.
21st Informal Meeting on Mass Spectrometry, Antwerp, Belgium, 11-15 May 2003, p. 103.
* P M.V. Kosevich, V.A. Pashynska, H. Van den Heuvel and M. Claeys.
Electrospray mass spectrometry study of the bisquaternary ammonium compound decamethoxonium at different skimmer-nozzle potentials.
21st Informal Meeting on Mass Spectrometry, Antwerp, Belgium, 11-15 May 2003, pp. 107-108.
* P V. Pashynska, M. Kosevich, H. Van den Heuvel and M. Claeys.
Study of formation and characteristics of con-covalent complexes between heme and antimalarial agents of the artemisinin type by electrospray ionization mass spectrometry.
21st Informal Meeting on Mass Spectrometry, Antwerp, Belgium, 11-15 May 2003, p. 148.
* O H. Goenaga Infante, F. Cuyckens, K. Van Campenhout, M. Claeys, R. Blust and F. Adams.
Characterization of metal complexes with metallothioneins in the Cyprinus Carpio liver by reversed-phase HPLC with ICP-Time-of-Flight-mass spectrometry and electrospray-mass spectrometry.
21st Informal Meeting on Mass Spectrometry, Antwerp, Belgium, 11-15 May 2003, p. 78.
* O F. Cuyckens and M. Claeys.
Structural characterization of flavonoid O-glycosides by mass spectral methods.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003. Proceedings CDrom.
* P V. Pashynska, M. Kosevich, H. Van den Heuvel and M. Claeys.
Study of non-covalent complex formation between heme and antimalarial agents of the artemisinin type by electrospray ionization mass spectrometry.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003, Proceedings CDrom.
* P W. Wang, H. Van den Heuvel, F. Cuyckens and M. Claeys.
Characterization of iridoid O-glucosides by electrospray ionization and collision-induced dissociation of [M + Na]+ ions.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003, Proceedings CDrom.
* P W. Wang, F. Cuyckens, H. Van den Heuvel, M. Claeys, S. Apers, L. Pieters, V. Steenkamp, M.J. Stewart and V.A. Luyckx.
Structure elucidation of chromone C-glucosides in a toxic herbal remedy.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003, Proceedings CDrom.
* P M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen, V. Pashynska, J. Cafmeyer, P. Guyon, M.O. Andreae, P. Artaxo and W. Maenhaut.
Characterization of novel polar oxygenated compounds in tropical atmospheric aerosols by gas chromatography/mass spectrometry.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003, Proceedings CDrom.
* P G. Vas, R. Vermeylen, M. Claeys and W. Maenhaut.
Determination of polar oxygenated carboxylic acids in atmospheric aerosols by capillary gas chromatography with mass spectrometric detection.
16th International Mass Spectrometry Conference, Edinburgh, UK, 31 August 5 September 2003, Proceedings Cdrom.
* O M. Claeys.
Secondary organic aerosols: field observations versus chamber experiments.
(invited lecture)
Gordon Research Conference on Biogenic Hydrocarbons and the Atmosphere, Il Ciocco, Italy, 2-7 May 2004.
* P V. Pashynska, M. Kosevich, H. Van den Heuvel, F. Cuyckens and M. Claeys.
Modeling of non-covalent interactions between the bisquaternary ammonium antimicrobial agent decamethoxonium and membrane phospholipids by electrospray mass spectrometry.
22nd Informal Meeting on Mass Spectrometry, Tokaj, Hungary, 2 6 May 2004, p. 77.
* O M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen, V. Pashynska, I. Kourtchev, J. Cafmeyer, P. Guyon, M.O. Andreae, P. Artaxo and W. Maenhaut.
Characterization of isoprene oxidation products in tropical atmospheric aerosols by gas chromatography/mass spectrometry.
52nd Conference of the American Society for Mass Spectrometry, Nashville, Tennessee, USA, 23 27 May 2004, Proceedings CDrom.
- P P.E. Joos, S. de Koning, W. Maenhaut, M. Claeys, M. Van Ryckeghem and U.A.T. Brinkman.
Determination of polycyclic aromatic hydrocarbons in air samples by comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detection (GC×GCToF MS).
27th International Symposium on Capillary Chromatography, Riva del Garda, Italy, 31 May 4 June 2004.
- O M.O. Andreae, P. Artaxo, D. Rosenfeld, M.A. Silva Dias, A.A. Costa, J.C.P. Oliveira, W. Maenhaut, M. Claeys, S. Fuzzi, E. Swietlicki, O. Mayol-Bracero, L. Vanni Gatti, K.M. Longo and Y. Rudich.
Smoke Aerosols, Clouds, Rain and Climate.
(invited lecture, plenary)
3rd LBA Scientific Conference.
Brasília, Brazil, July 27-29, 2004.
- O P. Artaxo, M.O. Andreae, D. Rosenfeld, M.A.F. Silva Dias, P. Guyon, G. Frank, L.V. Rizzo, T.M. Pauliquevis, M. Claeys and W. Maenhaut.
The relationship between biomass burning aerosols, cloud condensation nuclei and cloud structure in Amazonia.
(invited lecture)
8th International Global Atmospheric Chemistry (IGAC) Conference.
Christchurch, New Zealand, 4 9 September 2004.
- P M. Mircea, M.C. Facchini, S. Decesari, F. Cavalli, L. Emblico, S. Fuzzi, E. Swietlicki, G. Frank, M.O. Andreae, W. Maenhaut, Y. Rudich and P. Artaxo.
Chemical composition and hygroscopic behaviour of atmospheric particles in the Amazon basin.
8th International Global Atmospheric Chemistry (IGAC) Conference.
Christchurch, New Zealand, 4 9 September 2004.
- P S. Decesari, S. Fuzzi, M.C. Facchini, M. Mircea, L. Emblico, F. Cavalli, E. Tagliavini, F. Moretti, M.O. Andreae, P. Artaxo, M. Claeys, A. Gelencser, W. Maenhaut, O.L. Mayol-Bracero and Y. Rudich.
Size-segregated inorganic and organic chemical aerosol composition in the Amazon basin from the dry biomass burning season to the wet season.
8th International Global Atmospheric Chemistry (IGAC) Conference.
Christchurch, New Zealand, 4 9 September 2004.
* O M. Claeys, W. Wang, A.C. Ion, R. Vermeylen, I. Kourtchev, J. Cafmeyer, A. Gelencsér and W. Maenhaut.
Characterisation of isoprene oxidation products in rural continental aerosols from K puszta, Hungary.
European Aerosol Conference 2004 (EAC 2004).
Budapest, Hungary, September 6-10, 2004.
* O M.O. Andreae, G. Frank, D. Chand, O. Schmid, P. Guyon, A. Hoffer, Y. Trebs, P. Artaxo, M.A.F. Silva Dias, D. Rosenfeld, A.A. Costa, J.C.P. Oliveira, W. Maenhaut, M. Claeys, S. Fuzzi, M.C. Facchini, S. Decesari, E. Swietlicki, J. Rissler, O. Mayol-Bracero, L.V. Gatti, Y. Rudich and K.M. Longo.
Smoke aerosols and cloud microphysics over Amazonia.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* P W. Maenhaut, V. Pashynska, G. Vas, R. Vermeylen, X. Chi, A. Onjia, J. Cafmeyer and M. Claeys.
Speciation of water-soluble organic aerosol at Skukuza, South Africa, during SAFARI 2000.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* O W. Maenhaut, V. Pashynska, R. Vermeylen, G. Vas, X. Chi, N. Raes, J. Cafmeyer, P. Artaxo and M. Claeys.
Interrelationships and source identification of inorganic and organic aerosol constituents during the LBA/CLAIRE/SMOCC 2002 campaign.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* O W. Maenhaut, V. Pashynska, R. Vermeylen, G. Vas, X. Chi, N. Raes, J. Cafmeyer, P. Artaxo and M. Claeys.
Interrelationships and source identification of inorganic and organic aerosol constituents during the LBA/CLAIRE/SMOCC 2002 campaign.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* P A.C. Ion, R. Vermeylen, W. Wang, J. Cafmeyer, A. Gelencsér, W. Maenhaut and M. Claeys.
Speciation of polar organic carbon compounds in continental rural aerosols from K puszta, Hungary, during summer.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* P I. Kourtchev, J. Cafmeyer, W. Maenhaut and M. Claeys.
Determination of polar organic marker compounds in size-fractionated aerosols from Amazonia, Brazil, and K-puszta, Hungary.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* O M. Claeys, B. Graham, W. Wang, G. Vas, I. Kourtchev, V. Pashynska, A.C. Ion, R. Vermeylen, P. Guyon, J. Cafmeyer, A. Gelencsér, L.V. Gatti, M.O. Andreae, P. Artaxo and W. Maenhaut.
Formation of secondary organic aerosols through oxidation of isoprene: structural characterization and formation mechanism.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* P W. Wang, I. Kourtchev, A.C. Ion, B. Graham, W. Maenhaut and M. Claeys.
Structural characterization of polar oxygenated organic compounds related to oxidation of isoprene in forest aerosols.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* P T. Zhang, X. Liu, S. Dong, H. Qi, R. Vermeylen, H. Cachier, R. Ocskay, W. Wang, W. Maenhaut and M. Claeys.
Determination of levoglucosan, a marker for biomass burning, in urban aerosols from Beijing, P.R. China.
Eighth International Conference on Carbonaceous Particles in the Atmosphere.
Vienna, Austria, September 14-16, 2004.
* P A.C. Ion, R. Vermeylen, W. Wang, J. Cafmeyer, A. Gelencsér, W. Maenhaut and M. Claeys.
Speciation of polar organic compounds in continental rural aerosols from K puszta, Hungary, during summer.
Workshops Long distance transported dust storm particles: chemical speciation, classification and source region characterization and Urban and rural carbonaceous aerosols in Flanders and Hungary: Characterisation, source identification and apportionment, and chemical mass closure.
Antwerp, Belgium, 9-10 November 2004.
* P I. Kourtchev, J. Cafmeyer, W. Maenhaut and M. Claeys.
Determination of polar organic marker compounds in size-fractionated aerosols from Amazonia, Brazil, and K-puszta, Hungary.
Workshops Long distance transported dust storm particles: chemical speciation, classification and source region characterization and Urban and rural carbonaceous aerosols in Flanders and Hungary: Characterisation, source identification and apportionment, and chemical mass closure.
Antwerp, Belgium, 9-10 November 2004.
* P W. Wang, I. Kourtchev, A.C. Ion, B. Graham, W. Maenhaut and M. Claeys.
Structural characterization of polar oxygenated organic compounds related to oxidation of forest aerosols.
Workshops Long distance transported dust storm particles: chemical speciation, classification and source region characterization and Urban and rural carbonaceous aerosols in Flanders and Hungary: Characterisation, source identification and apportionment, and chemical mass closure.
Antwerp, Belgium, 9-10 November 2004.
* O T. Zhang, X. Liu, S. Dong, H. Qi, R. Vermeylen, H. Cachier, R. Ocskay, W. Wang, W. Maenhaut and M. Claeys.
Determination of levoglucosan, a marker for biomass burning, in urban aerosols from Beijing, P.R. China.
Workshops Long distance transported dust storm particles: chemical speciation, classification and source region characterization and Urban and rural carbonaceous aerosols in Flanders and Hungary: Characterisation, source identification and apportionment, and chemical mass closure.
Antwerp, Belgium, 9-10 November 2004.
* O W. Maenhaut, V. Pashynska, R. Vermeylen, G. Vas, X. Chi, N. Raes, J. Cafmeyer, P. Artaxo and M. Claeys.
Interrelationships and source identification of inorganic and organic aerosol constituents during the LBA/CLAIRE/SMOCC 2002 campaign.
Final SMOCC Meeting.
Ringberg Castle, Germany, 15-19 November 2004.
- O S. Decesari, S. Fuzzi, M.C. Facchini, M. Mircea, E. Tagliavini, F. Moretti, A. Hoffer, M. Claeys, W. Maenhaut and Y. Rudich.
A simplified representation of the water soluble organic fraction for modelling the aerosol hygroscopic behaviour over the Amazon Basin.
EGU General Assembly, Vienna, Austria, 24-29 April 2005.
O S. Decesari, S. Fuzzi, L. Emblico, F. Cavalli, M.O. Andreae, P. Artaxo, M. Claeys, W. Maenhaut, O.L. Mayol-Bracero and Y. Rudich.
Evolution of the size-segregated inorganic and organic aerosol composition from the biomass burning period to the on-set of the wet season in Rondonia, Brazil.
EGU General Assembly, Vienna, Austria, 24-29 April 2005.
* P W. Wang, I. Kourtchev, B. Graham, J. Cafmeyer, W. Maenhaut and M. Claeys.
Characterisation of novel isoprene oxidation products related to 2-methyltetrols in forest aerosols from Amazônia, Brazil.
European Aerosol Conference 2005 (EAC 2005).
Ghent, Belgium, 28 August - 2 September 2005.
* O I. Kourtchev, T. Ruuskanen, W. Maenhaut, M. Kulmala and M. Claeys.
Characterisation of isoprene oxidation products in boreal forest aerosols from Hyytiälä, Finland.
European Aerosol Conference 2005 (EAC 2005).
Ghent, Belgium, 28 August - 2 September 2005.
* P I. Kourtchev, J. Warnke, W. Maenhaut, T. Hoffmann and M. Claeys.
Characterisation of polar organic compounds in PM2.5 aerosols from Jülich, Germany.
European Aerosol Conference 2005 (EAC 2005).
Ghent, Belgium, 28 August - 2 September 2005.
* P S. Decesari, S. Fuzzi, M.C. Facchini, E. Tagliavini, M.O. Andreae, A. Hoffer, P. Artaxo, M. Claeys, W. Maenhaut, O.L. Mayol-Bracero and Y. Rudich.
Size-segregated inorganic and organic composition of aerosol from Rondonia, Brazil, during the SMOCC experiment.
European Aerosol Conference 2005 (EAC 2005).
Ghent, Belgium, 28 August - 2 September 2005.
* O T.E. Kleindienst, E.O. Edney, M. Lewandowski, J.H. Offenberg, M. Jaoui, W. Wang and M. Claeys.
Determination of 2-methyl tetrols and 2-methylglyceric acid in secondary organic aerosol from laboratory irradiated isoprene/NOx/SO2/air mixtures.
(invited lecture)
European Aerosol Conference 2005 (EAC 2005).
Ghent, Belgium, 28 August - 2 September 2005.
* O M. Claeys.
OOMPH-relevant expertise and techniques at the University of Antwerp.
OOMPH Kick off meeting.
Montabaur, Germany, 5-7 September 2005.
* O W. Maenhaut, X. Chi, S. Dunphy, M. Claeys and I. Kourtchev.
UGent / UA results for aerosol samples from Kiel experiments.
OOMPH Progress Meeting.
Florence, Italy, 3-5 May 2006.
* O M. Claeys, W. Wang, I. Kourtchev, R. Szmigielski, R. Vermeylen and W. Maenhaut.
Characterisation of secondary organic aerosol from photo-oxidation of isoprene: a review of field and laboratory studies.
(invited lecture)
24th Informal Meeting on Mass Spectrometry (IMMS).
UstroD, Poland, 14-18 May 2006.
* O R. Szmigielski, R. Vermeylen, K. Szmigielska, J.D. Surratt, J.H. Kroll, N.L. Ng, S.M. Murphy, L. Hildebrandt, J.H. Seinfeld and M. Claeys.
Use of complementary MS approaches to the characterization of secondary organic aerosol from the photooxidation of isoprene.
24th Informal Meeting on Mass Spectrometry (IMMS).
UstroD, Poland, 14-18 May 2006.
* P V.A. Pashynska, M.V. Kosevich, H. Van den Heuvel and M. Claeys
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