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MARC ELSKENS

Agronomist
Associate Prof (Docent) / Quality Assurance in Environmental Chemistry
Laboratory of Analytical and Environmental Chemistry
Free University of Brussels
Pleinlaan 2, B-1050 Brussels
Belgium
Contact : melskens@vub.ac.be, Phone : ++32 (0)2 629.27.16, Fax : ext. 32.74, VUB Campus Etterbeek, Office 7G420
 

Education

  • Engineer in Agronomy, Free University of Brussels (ULB), Belgium, 1984.
  • Ph.D.: Chemistry, Free University of Brussels (VUB), Belgium, 1999.
 

Professional Experience

  • Graduate Research Assistant at the Laboratory of Microbiology, Free University of Brussels (ULB) 1984 to 1988.
  • Military service to the Management Unit of the Mathematical Models of the North Sea and the Scheldt Estuary 1988 to 1989.
  • Associate Scientist at the Laboratory of Analytical Chemistry, Free University of Brussels (VUB) 1989 to 2000.
  • Program leader at the Section of Food, department of Pharmaco-Bromatology, Scientific Institute of Public Health (IPH), Brussels 2000 to 2002.
  • Senior scientist at the Laboratory of Analytical and Environmental Chemistry, Free University of Brussels (VUB) 2002-2007
  • Associate Prof at the Laboratory of Analytical and Environmental Chemistry, Free University of Brussels (VUB) present
 
Lectures
  • Dynamique des nutriments en milieu marin, partim. I: aspects chimiques et biogéochimiques - 7h30 + 7h30 + 10h - Master in Oceanography, ULg.
  • Chemische Functionaliteit 15h, 2de jaar licentiat in de Scheikunde. Afstudeerrichting milieu en analytische Chemie, VUB, in collaboration with Prof. L. Goeyens.
  • Environmental Chemistry: measuring and modelling 13h HOC + 26h Zelf, 2de jaar licentiat in de Scheikunde. Afstudeerrichting milieu en analytische Chemie, VUB.
  • Bio-assay en Spectroscopische Screeningstechniek, 2MA. Afstudeerrichting milieu en analytische Chemie, Master in Chemistry, VUB.
 

Professional Affiliations

  • Associated member, National committee of Oceanography, Royal Academy of Sciences, Belgium.
  • Member, PRP Indicators Committee, FPS Health, Food chain safety & Environment, Belgium
  • Member, Working group on Biocides, FPS Health, Food chain safety & Environment, Belgium
  • Member, American Geophysical Union
 
Research Interests
  • Degradation/detoxification pathways of dithiocarbamate fungicides by micro-organisms.
  • Heavy metals mobilisation/precipitation at the sediment/water interface in aquatic systems. Development of models to extract information from measurements using passive sampling devices (DGT and DET).
  • Development and validation of stable isotope techniques applied to the study of the nitrogen, carbon and silicone cycles in aquatic systems.
  • Quality Assurance and Quality Control procedures applied to Analytical and Environmental Chemistry (ISO/IEC 17025): (i) Uncertainty and variability of impact assessment indicators for pesticides and biocides,  (ii) Guidelines for laboratories carrying measurements where the results will be used to implement the Water Framework Directive and (iii) Proxies and numerical tools for assessing organic carbon flux and deep ocean processing.
 
Promotor and co-promotor of research projects
  • FWOAL408 (2007-2010): Een 'multi-proxy' benadering voor de studie van biogeochemische cycli van koolstof en stikstof in tropische en gematigde estuaria. Co-Promotor.
  • GOA53 (2007-2011): Proxies and Numerical Tools for Assessing Organic Carbon Export Flux and Deep Ocean Processing. ELSKENS MARC, ANCH, Vrije Universiteit Brussel - Administrative Promotor.
  • FVO28 (2007-2008): Berekening en ontwikkeling van indicatoren voor biociden. Administrative Promotor and coordinator of UVIPEBI network (VUB, UGent, CODA-CERVA, ISP-WIV)
  • FWOAL272 (2004-2007). Koolstofexport en heterotrofe afbraak van planktondetritus in de oceaan. Co-promotor.
 

Participation to international programs and expeditions

  • JGOFS: Joint Ocean Global Flux Studies (1991/1995/1998 French and Australian collaboration in Antarctica).
  • IGBP (International Geosphere and Biosphere Programme) and Global Change Related Research in Belgium (1990-1995) Royal Academy of Sciences, National IGBP committee.
  • OMEX: Ocean Margin EXchange project (1995-2000) within the European Union’s Marine Science and Technology (Mast) programme. http://www.bodc.ac.uk/projects/european/omex/
  • Vertigo: VERtical Transport In the Global Ocean (2004-2005) within an U.S. National Science Foundation and Department of Energy project. http://cafethorium.whoi.edu
  • SWIFT: Screening methods for water data information in support of the implementation of the water framework directive (2003-2006) within the Sixth Framework EU Programme priorities. http://www.swift-wfd.com/.
 

Publications

Papers in scientific jounals with an international referee-system

Sanctorum H. Elskens M. and Baeyens W. (2007). Bioassay (CALUX) measurements of 2,3,7,8-TCDD and PCB 126: Interferences effects. Talanta. In Press.

Ken O. Buesseler, Carl H.Lamborg, Philip W. Boyd, Phoebe J. Lam, James K.B. Bishop, Karen L. Casciotti, Frank Dehairs, Marc Elskens, Makio Honda, David M. Karl, David Siegel, Mary Wilcox Silver, Deborah K. Steinberg, Tom W. Trull, Jim Valdes and Benjamin Van Mooy. Revisiting Carbon Flux through the Ocean’s Twilight Zone. SCIENCE 316 (5824): 567-570.

Elskens, M., de Brauwere, A., Beucher, C., Corvaisier, R., Savoye, N., Tréguer, P.  and Baeyens, W. Statistical process control in assessing production and dissolution rates of biogenic silica in marine environments. Marine Chemistry. In Press

Jaquet S., Dehairs F., Elskens M., Savoye N., and Cardinal D. (2006). Barium cycling along WOCE SR3 line in the Southern Ocean. Marine Chemistry. In Press.

de Brabandere L, Brion N, Elskens M, Baeyens W and Dehairs F (2006). ∂15N dynamics of ammonium and particulate nitrogen during the growth season of a eutrophic estuary. Biogeochemistry, DOI 10.1007/s10533-006-9047-1.
Baeyens W., Leermakers M., Elskens M., Van Larebeke N., De Bont R., Vanderperren H., Fontaine A., Degroodt J-M., Goeyens L., Hanot V. and Windal I. (2006). PCBs and PCDD/Fs in fish and fish products and their impact on the human body burden in Belgium. Archives of Environmental Contamination and Toxicology. In Press.
Savoye N, Benitez-Nelson C, Burd, A., Cochrand,J., Charette M, Buesselere, K., Jackson G, Roy-Barman, M, Schmidth, S. and Marc Elskens. An overview of techniques used to model 234Th in the water column. Marine Chemistry 100 (3-4): 234-249.
Diaconu, C., Brion, N., Elskens, M., Baeyens, W. (2005). Validation of a dynamic ammonium extraction technique for the determination of 15N at enriched abundances. Analytica Chimica Acta 554 : 113-122
Elskens M, Baeyens W, Brion, N, De Galan  S, Goeyens L. and de Brauwere, A. (2005). Reliability of N flux rates estimated from 15N enrichment and dilution experiments in aquatic systems. Global Biogeochemical Cycles 19, GB4028, doi:10.1029/2004GB002332.
de Brauwere A., De Ridder F., Pintelon R., Elskens M., Schoukens J. and Baeyens W. (2005). Model selection through a statistical analysis of the minimum of a Weighted Least Squares cost function. Chemometrics and Intelligent Laboratory Systems 76: 163–173.
Verheyden A., Roggemana M., Bouillon S., Elskens M., Beeckmanc H. and Koedama N. (2005). Comparison between δ13C of α-cellulose and bulk wood in the mangrove tree Rhizophora mucronata: implications for dendrochemistry. Chemical Geology. 219; 275–282.
Gillikin, D. P., H. Ulens, F. De Ridder, M. Elskens, E. Keppens, W. Baeyens and F. Dehairs (2005). Assessing the reproducibility and reliability of estuarine bivalve shells (Saxidomus giganteus) for sea surface temperature reconstruction: implications for paleoclimate studies. Palaeogeography Palaeoclimatology Palaeoecology 228 (1-2): 70-85
Baeyens, W., Leermakers, M., De Gieter, M., Nguyen, H.L., Parmentier, K., Panutrakul, S. and Elskens, M. (2005). Overview of trace metal contamination in the Scheldt estuary and effect of regulatory measures. Hydrobiologia 540: 141-154.
Corvaisier R., Tréguer P., Beucher C. and Elskens, M. (2004). Determination of the rate of production and dissolution of biosilica in marine waters by thermal ionisation mass spectrometry. Analytica Chemica Acta 534: 149–155.
de Brauwere A., De Ridder F., Elskens M., Schoukens J., Pintelon R., Baeyens W. (2005). Refined parameter and uncertainty estimation when both variables are subject to error. Case study: Estimation of Si consumption and regeneration rates in a marine environment. Journal of Marine Systems 55: 205-221.
Nguyen, H. L., Leermakers, M., Elskens, M., De Ridder, F., Doan, T.H. and Baeyens W. (2005). Correlations, partitioning and bioaccumulation of heavy metals between different compartments of Lake Balaton. Science of The Total Environment 341: 211-226.
De Gieter, M., Elskens, M. and Beayens, W. (2005). Fluxes and major transport routes of arsenic in the Scheldt estuary. Marine Chemistry 95: 15-30.
De Galan S., Elskens M., Goeyens L., Pollentier A., Brion N., Baeyens, W. (2004). Spatial and temporal trends in nutrient concentrations in the Belgian Continental area of the North Sea during the period 1993–2000. Estuarine, Coastal and Shelf Science, 61:517-528.
Savoye, N., Dehairs, F., Elskens, M., Cardinal, D., Kopczyńska, E.E., Trull, T.W., Wright, S., Baeyens, W., and Griffiths, B.F. (2004). Zonal variation of spring N-uptake and new production in the Southern Ocean. Geophysical Research Letters, 31 (3): Art. No. L03301.
Beucher, C., Tréguer, P., Corvaisier, R., Hapette, A.M. and Elskens, M. (2004). Production and dissolution of biosilica, and changing microphytoplankton dominance in a coastal ecosystem of Western Europe. Marine Ecology Progress Series, 267: 57-69.
Brion, N, Baeyens, W., De Galan, Elskens, M. and Laane, R. (2004). The North Sea: source and sink for nitrogen and phosphorus to the Atlantic Ocean. Biogeochemistry, 68, 277-296.
De Bont Rinne, Marc Elskens, Willy Baeyens, Luc Hens, Nik van Larebeke. (2004). A Survey of three PCB and Dioxin Contamination Episodes: From Contamination of Food Items to Body Burdens. Editors, Victor R. Preedy, Ronald R. Watson, Annual Reviews in Food and Nutrition : Toxic and Pathological Aspects, CRC Press, 301-342.
Baeyens, W., Leermakers, M., Papina, T., Saprykin, A., Brion, N., De Gieter, M., Elskens, M. And Goeyens, L. (2003). Bioconcentration and biomagnification of mercury and methylmercury in North Sea and Scheldt estuary fish. Archives of Environmental Contamination and Toxicology, 45(4), 498-508.
Smet PW, Elskens M, Bolle F, Dierickx PJ. (2003). The role of oxidative stress on the effect of 1,4,7,10,13,16-hexathiacyclooctadecane on copper and zinc toxicity in HepG2 cells. Human & Experimental toxicology, 22 (2): 89-93.
Van Loco J., Hanot V., Huysmans G., Elskens M., Degroodt JM. and Beernaert H. (2003). Estimation of the minimum detectable value for the determination of PCBs in fatty food samples by GC-ECD: a curvilinear calibration case.Analytica Chemica Acta, 483: 413-418.
Alvarez-Salgado X.D., Beloso S., Joint I., Nogueira E., Chou L., Perez F.F., Groom S., Cabanas J.M., Rees A.P., and Elskens, M. (2002). New production of the NW Iberian Shelf during the upwelling season over the period 1982-1999. Deep Sea Research Part I, 49, 1725-1739.
  Van Loco, J., Elskens, M., Croux, C. and Beernaert, H. (2002). Linearity of calibration curves: use and misuse of the correlation coefficient. Accreditation Quality Assurance, 7:281-285.
Elskens, M., Baeyens, W., Cattaldo, T., Griffith, B. and Dehairs, F. (2002). N-uptake conditions during the summer in the sub-Antarctic and Polar Frontal Zones of the Australian sector of the Southern Ocean. Journal of Geophysical Research, 107: 3-1–3-11.
  Kopczynska E., F. Dehairs, M. Elskens and S. Wright, Phytoplankton variability between the subtropical and Polar Fronts south off Australia: Thriving under regenerative and new production in late summer, Journal of Geophysical Research, 106: 31597.
Joint, I., Wollast, R., Chou, L., Batten, S., Elskens, M., Edwards, E., Hirst, A., Burkill, P., Groom, S., Gibb, S., Miller, A., Hydes, D., Dehairs, F., Antia, A., Barlow, R., Rees, A., Pomroy, A., Brockmann, U., Cummings, D., Lampitt, R., Loijens, M., Mantoura, F., Miller, P., Raabe, T., Salgado, X., Stelfox, C., Woolfenden., J. (2001).  Pelagic Production at the Celtic Sea shelf break. A synthesis of results obtained in the OMEX I project. Deep-Sea Research II 48: 3049-3081.
Hydes, D., Le Gall, A., Miller, A., Brockmann, U., Raabe, T., Holley, S., Alvarez-Salgado, X., Antia, A., Balzer, W., Chou, L., Elskens, M., Helder, W., Joint, I. And Orren, M. (2001). Supply and demand of nutrients and dissolved organic matter at and across the NW European shelf break in relation to hydrography and biogeochemical activity. Results from the OMEX I Project (1993-1995). Deep-Sea Research II 48: 3023-3047.
Goeyens, L., Elskens, M., Catalano, G., Lipizer, M., Hecq, H. and Goffart, A. (2000). Nutrient depletions in the Ross Sea and their relation with pigment stocks. Journal of Marine Systems, 27: 195-208.
Dehairs, F., N. Fagel, A. N. Antia, R. Peinert, M. Elskens & L. Goeyens (2000). Export production in the gulf of Biscay as estimated from barium-barite in settling material: A comparison with new production. Deep Sea Research I, 47: 583-601. 
  Péter, A., Tourwé, D., Baumann, MEM., Elskens, M. and Goeyens, L. (1999). High performance liquid chromatographic determination of free amino acids in algae. Journal of Liquid Chromatography and Related Technology, 22: 1077-1093. 
Mangesha S., Dehairs, F., Elskens, M and Goeyens, L. (1999). Phytoplankton nitrogen nutrition in the Western Indian Ocean: Ecophysiological adaptations of neritic and oceanic assemblages to ammonium supply. Estuarine, Coastal and Shelf Science, 48: 589-598.
Elskens, M., Leo Goeyens, Frank Dehairs, Andrew Rees, Ian Joint & Willy Baeyens (1999).  Improved estimation of f-ratio in natural phytoplankton assemblages. Deep Sea Research-I, 46: 1793-1808. 
  Semeneh M., Dehairs, F., Fiala, M., Elskens, M. and Goeyens, L. (1998). Seasonal variation of phytoplankton community structure and nitrogen uptake regime in the Indian Sector of the Southern Ocean. Polar Biology, 20: 259-272.
Semeneh M., Dehairs F., Lancelot C., Baumann M. E. M., Kopczynska E., Elskens M. and Goeyens L. (1998). Nitrogen Uptake Regime and Phytoplankton Community Structure In the Southern Ocean, Journal of Marine Systems, 17:159-178.
Goeyens L., Semeneh M., Elskens M., Shopova D., Baumann M. E. M. and Dehairs F. (1998). Phytoplanktonic nutrient utilization and nutrient signature in the Southern Ocean, Journal of Marine Systems, 17:143-158.
Goeyens L., Kindermans N., Abu Yusuf M. & M. Elskens (1998). A room temperature procedure for the manual determination of urea in sea water. Estuarine, Coastal and Shelf Science, 47: 415-418.
  Baeyens, W., M. Elskens, R. Van Ryssen, & M. Leermakers. (1998). The impact of the Scheldt input on the trace metal distribution in the Belgian coastal area (results of 1981-1983 and 1995-1996). Hydrobiologia, 366: 91-108.
  Baeyens, W., M. Elskens, G. Gillain & L. Goeyens. (1998). Biogeochemical behaviour of Cd, Cu, Pb and Zn in the Scheldt estuary during the period 1981 - 1983. Hydrobiologia, 366: 15-44.
  Baeyens, W., L. Goeyens, F. Monteny & M. Elskens. (1998). Effect of organic complexation on the behaviour of dissolved Cd, Cu and Zn in the Scheldt estuary. Hydrobiologia, 366: 81-90.
  Elskens, M.T. and Penninckx, M.J. (1997). Interconversion of thiram and dimethyldithiocarbamic acid in Saccharomyces cerevisiae: a plausible metabolic pathway under the control of the glutathione redox cycle. Applied and Environmental Microbiology, 63: 2857-2862.
  Elskens, M., Baeyens, W. and Goeyens, L. (1997). Contribution of nitrate to the uptake of nitrogen by phytoplankton in an ocean margin environment. Hydrobiologia, 353: 139-152.
Frankignoulle, M., Elskens, M., Biondo, R., Bourge, I., Canon, C., Desgain, S. & Dauby, P. (1996). Distribution of inorganic carbon and related parameters in surface seawater of the English Channel. Journal of Marine Systems, 7, 427-434.
Elskens, M. & Penninckx, M.J. (1995). In vitro inactivation of yeast glutathione reductase by tetramethylthiuram disulphide, European Journal of Biochemistry, 231, 667-672.
  Elskens, M. & Penninckx, M.J. (1995). Enhanced sensitivity of a glutathione-deficient yeast strain to thiram and dimethyldithiocarbamic acid, Journal of Plant Nutrition and Soil Science, 158, 79-81.
  Penninckx, M. & Elskens, M. (1993), Metabolism and functions of glutathione in micro-organisms. Advances in Microbial Physiology, 34, 239-301.
  Monteny F., Elskens M. & Baeyens W. (1993). The Behaviour of copper and zinc in the Scheldt estuary. Netherlands Journal of Aquatic Ecology, 27, 279-286.
  Leermakers M., Elskens M. Panutrakul S., Monteny F. & Baeyens W. (1993). Geochemistry of mercury in an intertidal flat of the Scheldt estuary. Netherlands Journal of Aquatic Ecology, 27, 267-277.
  Elskens, M., Leermakers M., Panutrakul, S., Monteny, F. & Baeyens W. (1991). Microbial activity in sandy and muddy sediments; Geo-Marine Letters, 11, 194-198. (12)
  Elskens M., Jaspers C., Penninckx M. (1991), Glutathione as an endogenous sulfur source in the yeast Saccharomyces cerevisiae.; Journal of General Microbiology, 137, 637-644.
  Baeyens, W., Panutrakul, S., Elskens M., Leermakers, Navez J. & Monteny F. (1991). Geochemical processes in mud and sandy tidal flat sediments; Geo-Marine Letters, 11, 188-193.
  Elskens M., Penninckx M., Vandeloise R., & Vander Donckt E.(1988), Limitations of the Simplex method when applied to the determination of rate constants from concentrations vs time curves; Bull. Soc. Chim. Belg., 97, 397-398.
  Elskens M., Penninckx M., Vandeloise R. & Vander Donckt E. (1988), Use of Simplex Technique and contour diagrams for the determination of the reaction rate constants between glutathione and thiram in the presence of NADPH; International Journal of Chemical Kinetics, 20, 837-848.

Papers in scientific journals with a national referee-system

  Penninckx, M.J., Jaspers, C. & Elskens, M. (1993). On glutathione and microbes. In "Proceedings of the first European Workshop on glutathione, Regulation, Cellular defenses & Clinical Aspects". Special Issue of the Bulletin de la Société Luxembourgeoise de Biologie Clinique, p 200-211.
  Dauby P., Baeyens W. Biondo R., Bouquegneau JM., Chou L., Collette O., Dehairs F., Elskens M., Frankignoulle M., Loijens M., Paucot, H. & Wollast, R. (1993). Distribution of particulate trace elements in the Northeastern Atlantic. Progress in Belgian Oceanographic Research. Royal Academy of Belgium. National Committee of Oceanology, p 171-201.
  Frankignoulle M., Loijens M., Elskens M. & Dauby P. (1993). Seawater pCO2 distribution and air-sea CO2 exchanges on the Atlantic European Shelf. Progress in Belgian Oceanographic Research. Royal Academy of Belgium. National Committee of Oceanology, p159-169.
  Elskens M., Chou L., Dauby P., Frankignoulle M., Goeyens L., Loijens M. & Wollast, R. (1993). Primary production and nutrient fuxes in the Gulf of Biscay. Progress in Belgian Oceanographic Research. Royal Academy of Belgium. National Committee of Oceanology, p 137-157.
  Baeyens W., Vandenhoudt A., Elskens M. & Mondt W. (1991). Sequential analysis as a tool for the assessment of the environmental impact of contaminated dredged sludge. CATS Congress, 438th event of the European Federation of Chemical Engineers, KVIV, 2, 25-32.

Publications without referee-system

  Prichard E. et al. (2005). Guidelines for laboratories carrying out measurements where the results will be used to implement the Water Framework Directive (2000/60/EC). SWIFT-WFD. Delivrable D12A.
  Elskens, M., Bolle, F., Evrard, C., Degroodt, JM. & Goeyens, L. (2001). Métaux lourds- 3. Utilisation de métaux et de combinaisons métalliques dans le matériel d’emballage. Pack News 135 : 33-40.
  Elskens, M., Bolle, F., Evrard, C., Degroodt, JM. & Goeyens, L. (2001). Métaux lourds – 2. Méthodes d’analyses. Pack News 134 : 36-41.
  Elskens, M., Bolle, F., Evrard, C., Degroodt, JM. & Goeyens, L. (2001). Métaux lourds – 1. Qualité de notre environnement et de notre santé publique, un défi pour le XXI siècle. Pack News 133 : 36-39.
  Elskens, M. (1999). Maîtrise de la complexité, un préalable à une gestion durable. Une étude de cas : le cycle de l’azote. In " A la recherche d’un dialogue durable entre science et politique", Services fédéraux des affaires scientifiques, techniques et culturelles, p 85-89.
  Elskens, M. (1999). Modelling new and regenreated production from 15N-tracer experiments : A case study of the European continental/ocean margin in the North Atlantic. Doctoral thesis, Vrije Universiteit Brussel, Belgium. 
  Dehairs F, Elskens M., & Goeyens L. (eds), Integrated Marine System Analysis. Proceedings of the second european network meeting (1997). Vrije Universiteit Brussel, Belgium, pp 376.
  Elskens M., Baeyens W., Collette O., Dehairs F. & Goeyens L. (1993). Production, transport and sinks of organic matter and associated elements in marine sytems. Part II: Nitrogen assimilation in the Gulf of Biscay, regional and seasonal variability. Proceedings of the Belgian Impulse Programme Global Change, Belgian Science Policy Office, 1, p 241-269.
  Elskens I. & Elskens M. (1989), Handleiding voor de bepaling van nutrienten in zeewater met een Autoanalyser II™ systeem Vrije Universiteit Brussel, 50 pp.

Abstracts published in proceedings of congresses and symposia

  F Fripiat, R Corvaisier, J Navez, M Elskens, L André and D Cardinal (2007). New method (HR-SF-ICP-MS) to measure biosilica production and dissolution in ocean surface waters. Goldschmidt Conference 2007. http://www.goldschmidt2007.org/abstracts/EF.pdf.
  S.H.M. Jacquet, F. Dehairs, Marc Elskens, N. Savoye , A. de Brauwere, Bruno Delille and D. Cardinal.  Mesopelagic C mineralization at the Southern Ocean’s scale. EGU2007 Session OS13: Sensitivity of marine ecosystems and biogeochemical cycles to climate change. Vienna, Austria, May 2007.
  Sanctorum Hermes, Marc Elskens, Willy Baeyens. Validation of analysis of dioxins and dioxin-like PCBs in pore water by CALUX. Water Status Monitoring under the WFD (Water Framework Directive) Conference, 12-14 March 2007. Le Nouveau Siècle, Lille, France.
  Willy Baeyens, Marc Elskens, Martine Leermakers, Frank Dehairs, Carl Lamborg, Ken Buesseler. Do essential trace elements influence the export production in oceans? The 7th International Symposium on Environmental Geochemistry, Beijing, China, September 2006.
  Sanctorum Hermes, Marc Elskens, Willy Baeyens. Bioassay (CALUX) measurements of 2,3,7,8-TCDD and PCB 126: interference effects. 1st European Chemistry Congress. Budapest, August 2006.
  M. Elskens, F. Dehairs, N. Savoye and W. Baeyens. Nitrogen uptake regime at station ALOHA during VERTIGO I. Ocean Sciences Meeting (AGU-ASLO-TOS), 20-24 February 2006, Honolulu, Hawaï.
  Hermes Sanctorum, Isabelle Windal, Marc Elskens, Leo Goeyens, Willy Baeyens. Analysis of dioxin and dioxin-like activity in sediments and pore water by CALUX. SWIFT Workshop, 5-6 December 2005, Berlin, Germany.
  de Brauwere A., De Ridder F., Pintelon R., Elskens M., Schoukens J. & Baeyens W.: "Which model should I choose?", VLIZ (Flanders Marine Institute), Young Scientist Day 2005, Brugge, Belgium, 25 February 2005.
  Jacquet, S.; de Brauwere, A.; Dehairs, F.; Elskens, M.; Jeandel, C.; Metzl, N.; Rintoul, S.; Trull, T. (2005). Comparison of dissolved barium with nutrients and physico-chemical conditions along 30°E and 145°E across the Southern Ocean. European Geosciences Union, 24-29 April, Vienna Austria.
  Frank Dehairs, Damien Cardinal, Nicolas Savoye, Stéphanie Jacquet, Luc André and Marc Elskens. (2005). A Trace element and isotope proxy approach for the study of the biological pump: a Southern Ocean case. TOS Conference, 8-10 June, Paris, France
  de Brauwere, A., De Ridder, F., Elskens, M., Schoukens, J., Pintelon, R., Baeyens, W., (2004). Refined Estimate of Total Variation Enables a More Accurate Parameter and Uncertainty Estimation, as Well as a new Model Selection Procedure. Eos Transaction. AGU, 85(47), Fall Meeting, San Francisco.
  Kopczynska E.E., Savoye N., Dehairs F. and Elskens M.: Phytoplankton variability versus zonal variation in spring new production in the Southern Ocean, between Australia and Antarctica. XXVIII SCAR Open Science Conference, 26-28 July, Bremen, Germany
  Dehairs, F., Elskens, M., Savoye, N., Cardinal, D., Baeyens, W., Kopczynska, E., Buesseler, K., Trull, T. (2003). Mineralization in the mesopelagic waters of the Southern Ocean: What can be learn from particulate Ba and diatoms? Geophysical Research Abstract, 5: 10098. European Geophysical Society.
  Brion, N., Elskens, M., Dehairs, F. and Baeyens, W. (2003). Kinetic of N utilization by natural phytoplankton assemblages during upwelling events at the NW Iberian shelf. Geophysical Research Abstracts, 5: 09359. European Geophysical Society.
  Cardinal, D., André, L., Dehairs, F., Elskens, M., Jacquet, S., Savoye, N., Trull, T. (2003). Dynamic of the Baxs proxy through the water column of the Southern Ocean. Geophysical Research Abstract, 5: 14185. European Geophysical Society.
  Baeyens, W., Leermakers, M., De Gieter, M., and Elskens, M. (2002). Trace contaminants in water-column and food-web of the Scheldt estuary. Proceedings of the ECSA local meeting on the Scheldt Estuary, Antwerp.
  Savoye, N., Dehairs, F., Elskens, M., Sedwick, P., and Hutchins, D. (2002). Interactions of iron and ammonium of N uptake in the Southern Ocean south of Australia. Proceedings of the AGU (American Geophysical Union) meeting; San Francisco.
  Van Loco, J., Hanot, V., Huysmans, G., Elskens, M., Degroodt, JM. and Beernaert, H. (2002). Estimation of the minimum detectable value for the determination of PCBs in fatty food samples by GC-ECD: a curvilinear calibration case. Proccedings of the fourth symposium on Hormone and Drug Residues, Antwerp.
  Van Loco, J., Elskens, M., and Beernaert, H. (2002). Linearity of calibration curves: misuse of the correlation coefficient and the impact on the measurement uncertainty. Proceedings of the Workshop on Measurement Traceability and Uncertainty in Analytical Chemistry. Meeting the requirement of ISO/IEC 17025, Luzern, p 18.
  Elskens M., Cattaldo T., Cardinal D., Baeyens W. and Dehairs F. 2000. Assessing flux rates from isotope dilution experiments and numerical modelling: Results for 15N and 135Ba tracer experiments. Goldschmidt 2000. Journal of Conference Abstracts, vol. 5(2), p 382.
  Dehairs F., Cattaldo T., Cardinal D., Kopczynska E. and M. Elskens, 2000. Export of organic matter from the Subantarctic and the Polar Front Zone: Confronting the bottom-up Ba proxy and the top-down new production approaches, The Southern Ocean: Climatic changes and the cycle of carbon, International JGOFS Symposium, 9-13 July 2000, Brest-France.
  Eskens M., Cattaldo T., Goeyens L and Dehairs F., 2000. Uptake conditions during summer in the Subantarctic region of the Southern Ocean, The Southern Ocean: Climatic changes and the cycle of carbon, International JGOFS Symposium, 9-13 July 2000, Brest-France.
  Elskens M., Brion N., Joint I. and A. Rees, 2000. Significance and validity limits of N-flux rates over short and long incubation periods: a dilemma, 32nd International Liège Collquium on Ocean Hydrodynamics, ‘Exchange Processes at the Ocean Margins’, 8-12 May, 2000, Liège.
  Holsbeek L., Joiris C.R., Pinket S., Elskens M., Birkun A., Siebert U. (1997). Trace elements in Black Sea dolphins and possible role of glutathione as a detoxification mechanism. Pp.260-262 in: P.G.H. Evans, E.C.M. Parsons and S.L. Clark (Eds.), European research on cetaceans – 11 (Proc. 11th Annual Conf. European Cetacean Society, Stralsund, Germany, 10-12 Mar 1997). ECS, Kiel, 314 p.
  Baeyens, W., Dehairs, F., Elskens, M. & Clément, J.P. (1994). Production, transport and sinks of organic matter and associated elements in marine systems: nutrient fluxes and new production. In"IGBP and Global Change related Research in Belgium II" (ed. O. Vanderborght), Royal Belgian Academies of Sciences, National Committe IGBP, p 136.
  Dehairs, F., Elskens, M., Goeyens, L. & Vervlimmeren, J. (1994). Bioreactive elements in suspended matter. In"IGBP and Global Change related Research in Belgium II" (ed. O. Vanderborght), Royal Belgian Academies of Sciences, National Committe IGBP, p 125.
  Leermakers M., Elskens M. & Baeyens W. (1992), Mercury in the English Channel and adjacent Northern Atlantic Ocean during summer. Proceedings of the Channel Symposium, Brest, France, p 25.
  Elskens M., Dehairs F., Goeyens L. & Baeyens W. (1992). Nutrients in the English Channel and the adjacent Northern Atlantic Ocean during summer. Proceedings of the Channel Symposium, Brest, France, p 17.
  Elskens M. & Penninckx M. (1992). Regulation of reductive processes by glutathione in the yeast Saccharomyces cerevisiae. Proceedings of the Annual Meeting of the American Society for Microbiology, New Orleans, Louisianna, p 5
  Elskens M., Jaspers C. & Penninckx, M. (1989), Glutathione, a possible endogenous source of sulphur in Saccharomyces cerevisiae ; Archives Internationales de Physiologie et de Biochimie, 97, p 143.
  Elskens M., Penninckx M., Vandeloise R. & Vander Donckt E.(1988), Use of a Simplex routine for the determination of the reaction rate constants between glutathione and Thiram; Archives Internationales de Physiologie et de Biochimie, 137, p 89.
  Elskens M., Bechet J. & Penninckx M. (1988), Glutathione metabolism: Occurrence of low molecular weight thiols in gsh- mutants of the yeast Saccharomyces cerevisiae ; Archives Internationales de Physiologie et de Biochimie, 137, p 88.
  Elskens M. & Penninckx M. (1986), The effect of depletion of glutathione pool in Saccharomyces cerevisiae  by L-buthionine-S,R-sulfoximine on sensitivity to dithiocarbamate fungicides; Archives Internationales de Physiologie et de Biochimie, 94, p 76.
  Elskens M. & Penninckx M. (1984), Effects of dithiocarbamates fungicides on the glutathione status in Saccharomyces cerevisiae: A plausible detoxication pathway; Archives Internationales de Physiologie et de Biochimie, 92, p 117.

 

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