Publicaties

  1. Farjam, G.J. de Jong, R.W. Frei, U.A.Th. Brinkman, W. Haasnoot, A.R.M. Hamers, R. Schilt and F.A. Huf, Immunoaffinity pre column for selective on line sample pre treatment in high performance liquid chromatography determination of 19 nortestosterone, J. Chromatogr. 452 (1988) 419 433
  2. J.M. Weseman, H. Hooijerink, W.A. Traag, M.J. van Steenbergen, H.J. Korbee and R. Schilt, Screening of synthetic and natural anabolic hormones in biosamples at the low ppb level with a versatile multi component clean up method in combination with GC MS detection and confirmation Proceedings of the International Symposium on the Analysis of Anabolizing and Doping Agents in Biosamples, Ghent, Belgium,
    May 16 19 (1988)
  3. D. Courtheyn, R. Schilt and A. de Winne, Quick and efficient clean up procedure for the simultaneous determination of clenbuterol and cimaterol in urine and feed samples, Benelux Working Group Hormones and Anti hormones SP/LAB/h (1988) 41
  4. D. Courtheyn, R. Verhe, R. Schilt, H. Hooijerink, C. Desaever and V. Bakeroot, Detection and identification of clenbuterol and cimaterol with HPLC, Benelux Working Group Hormones and Anti hormones SP/LAB/h (88) 43
  5. W. Haasnoot, R. Schilt, A.R.M. Hamers, F.A. Huf, A. Farjam, R.W. Frei and U.A.Th. Brinkman, Determination of b 19 nortestosterone and its metabolite a 19 nortestosterone in biological samples at the sub parts per billion level by high performance liquid chromatography with on line immunoaffinity sample pretreatment, J. Chromatogr. 489 (1989) 157 171
  6. R. Schilt, J.M. Weseman, H. Hooijerink, H.J. Korbee, W.A. Traag, M.J. van Steenbergen and W. Haasnoot, Screening and confirmation of thyreostatics in urine by gas chromatography with nitrogen phosphorus detection and gas chromatography mass spectrometry after sample clean up with a mercurated affinity column, J. Chromatogr. 489 (1989) 127 137
  7. R. Schilt, W. Haasnoot, E.O. van Bennekom, H. Hooijerink, J.M. Weseman, H.J. Korbee and W.A.Traag, Determination of the boar taint steroid 5a androst 16 en 3 one in adipose tissue of pigs by size exclusion chromatography (sec) and gas chromatography mass spectrometry (GC MS), Archiv Lebensmittelhyg. 40 (1989) 51 55
  8. W. Haasnoot, M.E. Ploum, R.J.A. Paulussen, R. Schilt and F.A. Huf, Fast clenbuterol residue analysis in urine by HPLC with on line automated sample processing using immunoaffinity chromatography , J. Chromatogr. 519 (1990) 323 335
  9. R. Schilt, W. Haasnoot, M.A. Jonker, H. Hooijerink and R.J.A. Paulussen, Determination of b agonistic drugs in feed, urine and tissue samples of cattle with immuno affinity chromatography and GC MS, Proceedings of the EuroResidue conference, Noordwijkerhout, The Netherlands, May 21 23 1990, 320 325
  10. M.E. Ploum, W. Haasnoot, R.J.A. Paulussen, G.D. van Bruchem, A.R.M. Hamers, R. Schilt and F.A. Huf, Test strip enzyme immunoassays and the fast screening of nortestosterone and clenbuterol residues in urine samples at the parts per billion level, J. Chromatogr. 564 (1990) 413 427
  11. W. Haasnoot, R.J.A. Paulussen en R. Schilt, Immuno affiniteitschromatografie als hulpmiddel bij de Residu analyse (deel I), LAB/ABC, september 1990, pp 10 14
  12. W. Haasnoot, R.J.A. Paulussen en R. Schilt, Immuno affiniteitschromatografie als hulpmiddel bij de Residue analyse (deel II), LAB/ABC, oktober 1990, pp 14 18
  13. W. Haasnoot, G.D. van Bruchem, R.J.A. Paulussen, R. Schilt, J. Arts, G. Dijkstra en J.C. Meijer, Endogenous 19 nortestosterone in biological samples of pigs. Analyses with an enzyme immunoassay and HPLC with on line immunoaffinity chromatograph, Archiv für Lebensmittelhygiene 41 (1990) 131 138
  14. R. Schilt en W. Haasnoot, Residu analyse in het kader van het nationaal programma hormonen, Verslagen van de contactdag “Naar den vleze”, Dienst Landbouwkundig Onderzoek, Ede, mei 1990, pp 22 23
  15. C.J.M. Arts, M.J. van Baak, H. van den Berg, R. Schilt, P.L.M. Berende en J.M.P den Hartog, Concentrations of the endogenous steroid hormones oestradiol 17b, testosterone and progesterone in veak calves in connection with the control for illegal administration, Archiv für Lebensmittelhygiene 41 (1990) 58 62
  16. H. Hooijerink, R. Schilt, W. Haasnoot and D. Courtheyn, Determination of clenbuterol in urine of calves by hplc with sequential ultraviolet and electrochemical detection, J. Pharm. Biomed. An. 9 (1991) 485
  17. Courtheyn, D., N. Verheye, V. Bakeroot, V. Dal, R. Schilt, H. Hooijerink, E.O. van Bennekom, W. Haasnoot, P. Stouten, F.A. Huf, Detection of corticosteroids in animal feed and premixes: A new category of growth promoters, In: Euro Residue II Conference, Proceedings of an International Conference, Veldhoven, The Netherlands, May 3 5, 1993, eds. Haagsma, N., Ruiter, A., and Czedik Eysenberg, P.B., Rijksuniversiteit Utrecht, Faculteit der Diergeneeskunde, Utrecht, The Netherlands
  18. W. Haasnoot, A.R.M. Hamers, R. Schilt and C.A. Kan, Immuno affinity chromatography in combination with an enzyme immunoassay for the determination of clenbuterol in poultry tissue, In: Food Safety and Quality Assurance Applications of Immunoassay systems, Ed. M.R.A. Morgan, C.J. Smith and P.A. Williams, Elsevier applied science, London and New York, 1992, p. 185 188
  19. E. van der Vlis, H. Irth, U.R. Tjaden and J. van der Greef. Reversed-phase liquid chromatographic determination of doxorubicin after on-line trace enrichment on iron (III)-loaded 8-hydroxyquinoline-bonded
    silica, Analytica Chemica Acta 271 (1993) 69
  20. E. van der Vlis, H. Irth, U.R. Tjaden and J. van der Greef. Potential of receptor-ligand interactions for sample handling in liquid and gas chromatography, Journal of Chromatography 665 (1994) 233
  21. E. van der Vlis, M. Mazereeuw, U.R. Tjaden, H. Irth and J. van der Greef, Combined liquid-liquid electroextraction and isotachophoresis as a fast on-line focusing step in capillary electrophoresis Journal of Chromatography 687 (1994) 333
  22. H. Hooijerink, R. Schilt, E.O. van Bennekom and F.A. Huf, Determination of beta sympathomimetics in liver and urine by immuno affinity chromatography (IAC) and gas chromatography mas selective detection (GC MSD), Journal of Chromatography, Biomedical applications, 660 (1994) 303 313
  23. H. Hooijerink, R. Schilt, E.O. van Bennekom, B. Brouwer, Determination of anabolic esters in oily formulations and plasma in animal husbandry with high perfomance liquid chromatography and gas
    chromatography mass selective detection, The Analyst 119 (1994) 2617 2622
  24. R. Schilt, H. Hooijerink, F.A. Huf, O. Zuiderveld, A. Bast, Screening of cattle urine samples for the presence of beta agonists with a functional test: some preliminary results, The Analyst 119 (1994)
    2617 2622
  25. W. Haasnoot, P. Stouten, A. Lommen, G. Cazemier, H. Hooijerink, R. Schilt, Determination of fenoterol and ractopamine in urine by enzyme immunoassay, The Analyst 119 (1994) 2675 2680
  26. E. van der Vlis, M. Mazereeuw, U.R. Tjaden, H. Irth and J. van der Greef, Combined liquid-liquid electroextraction-isotachophoresis for loadability enhancement in capillary zone electrophoresis-mass
    spectrometry, Journal of Chromatography 712 (1995) 227
  27. E. van der Vlis, M. Mazereeuw, U.R. Tjaden, H. Irth, J. van der Greef, Development of a needle device for on-line electroextraction-liquid chromatography, Journal of Chromatography 741 (1996) 13
  28. R. Schilt, H. Hooijerink, D. Courtheyn, A. Boenke, Beta agonists in animal feed I: 1st intercomparison of clenbuterol in animal feed materials, Food Additives and Contaminants 13 (1996) 477 492
  29. D. Courtheyn, R. Moermans, R. Schilt, A. Boenke, Beta agonists in animal feed II: optimization of the extraction, Food Additives and Contaminants 13 (1996) 493 510
  30. Leyssens, D. Courtheyn, R. Schilt, Y. Berthoz, R. Moermans, A. Boenke, Beta agonists in animal feed III: optimization of the clean up and the end determination step, Food Additives and Contaminants 13 (1996) 795 810
  31. M. Groot, R. Schilt, W. Haasnoot, P. Berende, V. Rammaza, D. Courtheyn, J. Vercammen and M. Logghe, Veal calves treated with a low dosage of prednisolone histological and analytical data, In: Euro Residue III: Conference of residues of veterinary drugs in food, Proceedings, Veldhoven, The Netherlands, May 6 8, 1996, edited by. Haagsma, N. and Ruiter, A., University of Utrecht, Faculty of Veterinary Medicine, Utrecht, The Netherlands
  32. C.J.M. Arts, R. Schilt, M. Schreurs and L.A. van Ginkel, Boldenone is a naturally occurring (anabolic) steroid in cattle, In: EuroResidue III: Conference of residues of veterinary drugs in food, Proceedings,
    Veldhoven, The Netherlands, May 6 8, 1996, edited by. Haagsma, N. and Ruiter, A., University of Utrecht, Faculty of Veterinary Medicine, Utrecht, The Netherlands
  33. H. Hooijerink, R. Schilt, E.O. van Bennekom, B. Brouwer, and P.L.M. Berende, Excretion study of chlormadinone acetate in a male veal calf, In: EuroResidue III: Conference of residues of veterinary
    drugs in food, Proceedings, Veldhoven, The Netherlands, May 6 8, 1996, edited by. Haagsma, N. and Ruiter, A., University of Utrecht, Faculty of Veterinary Medicine, Utrecht, The Netherlands
  34. R. Schilt, R.W. Stephany, C.J.M. Arts and L.M.H. Frijns, Estradiol levels in urine of veal calves as indicator of treatment: possibility or fiction? In: EuroResidue III: Conference of residues of
    veterinary drugs in food, Proceedings, Veldhoven, The Netherlands, May 6 8, 1996, edited by. Haagsma, N. and Ruiter, A., University of Utrecht, Faculty of Veterinary Medicine, Utrecht, The Netherlands
  35. R. Schilt, Clenbuterol, Chemische Feitelijkheden, Koninklijke Nederlandse Chemische Vereniging, augustus 1996, 123 1:123 12
  36. H.F. De Brabander, K. De Wasch, L.A. van Ginkel, S.S. Sterk , M.H. Blokland, Ph. Delahaut, X. Taillieu, M. Dubois,C.J.M. Arts, M.J. van Baak, L. G. Gramberg, R. Schilt, E.O. van Bennekom, D. Courtheyn, J. Vercammen, R.F. Witkamp, Multi laboratory study of the analysis and kinetics of stanozolol and metabolites in treated calves, The Analyst 1998 (012) 2599 2604
  37. Schilt R., Groot M.J., Berende P.L.M., Ramazza V., Ossenkoppele J.S., Haasnoot W., van Bennekom, E.O., Brouwer L. and Hooijerink, H., Pour on application of growth promoters in veal calves: analytical and
    histological results, The Analyst 012 (1998) 2665 2670
  38. Dick Hooijerink, Robert Schilt, Ron Hoogenboom, Margot Huveneers Oorsprong, Identification of metabolites of the anabolic steroid Methandienone formed in vitro by bovine hepatocytes, The Analyst 012 (1998) 2637 264
  39. Dick Hooijerink, Robert Schilt, Bert Brouwer, Eric van Bennekom, Determination of Embutramid and Pentobarbital in meat and bone meal by gas chromatography mass spectrometry, The Analyst 012 (1998) 2513 2516
  40. W. Haasnoot, P. Stouten, R. Schilt, H. Hooijerink, A fast immunoassay for the screening of beta agonists in hair, The Analyst 012 (1998) 2707 2710
  41. Groot, M.J., R. Schilt, J.S. Ossenkoppele, P.KL.M. Berende, W. Haasnoot, Combinations of growth promoters in veal calves: consequences for screening and confirmation methods, Journal of Veterinary Medicine Series A. 45 (1998) 6 7, 425 440
  42. N.G. Knebel, S. Griep, M. Winkler, M. Locher, E. van der Vlis, E.R. Verheij, Quantification of perifosine, an alkylphosphocholine anti-tumour agent, in plasma by pneumatically assisted electrospray tandem mass spectrometry coupled with high-performance liquid chromatography, Journal of Chromatography B 721 (1999) 257-269
  43. Schellen, B. Ooms. M. van Gils, O. Halmingh, E. van der Vlis, D. van de Lagemaat, E.R. Verheij, High throughput on-line SPE/MS/MS determination of paclitaxel in human serum, Rapid Communications in Mass Spectrometry (RCM) 14 (4) (2000) 23-233
  44. R. Schilt, D. Courtheyn, H. Hooijerink, L. Brouwer and E.O. van Bennekom, Detection of pour on application of anabolic steroids and corticosteroids on the skin, EuroResidue Conference on Residues of Veterinary Drugs in Food, May 8 10, 2000 Veldhoven, The Netherlands
  45. Robert Schilt, Erik van der Vlis, Cor J.M. Arts, Albert C. Tas, Leendert A. van Ginkel, Alida A.M. Stolker, Eric O. van Bennekom, Henk Herstel, Marry Schreurs and Danny Samson, Analysis of isoxsuprine in urine samples from treated cattle with GC MS using deuterated isoxsuprine as internal standard, EuroResidue Conference on Residues of Veterinary Drugs in Food, May 8 10, 2000 Veldhoven, The Netherlands
  46. Hooijerink, H., R. Schilt, L. Brouwer, E.O. van Bennekom and M.S. Leloux, Detection of anabolic steroids and beta agonists in hair Possibilities for regulatory control EuroResidue Conference on Residues of Veterinary Drugs in Food, May 8 10, 2000 Veldhoven, The Netherlands
  47. R. Schilt, A. Lommen, E.O. van Bennekom, H. Hooijerink, L. Brouwer, J. de Jong and M.S. Leloux, Detection and structure elucidation of anabolic steroids and corticosteroids in cocktails by LC diode array and 1H NMR, EuroResidue Conference on Residues of Veterinary Drugs in Food, May 8 10, 2000 Veldhoven, The Netherlands
  48. H.J. van Egmond, J.F.M. Nouws, R. Schilt, W.D.M. van Lankveld Driessen, E.P.M. Streutjens van Neer, F.G.H. Simons, Stability of antibiotics in meat during a simulated high temperature destruction process, EuroResidue Conference on Residues of Veterinary Drugs in Food, May 8 10, 2000 Veldhoven, The Netherlands
  49. S. Impens, H. F. de Brabander , K. de Wasch, L. van Ginkel, R. Stephany, R. Schilt, N. van Eeckhout and C. van Peteghem, A data base on the residue conferences, EuroResidue Conference on Residues of Veterinary Drugs in Food, May 8 10, 2000 Veldhoven, The Netherlands
  50. De-Brabander-HF; De-Wasch-K; Impens-S; Schilt-R; Leloux-MS, Gas chromatography-mass spectrometry for residue analysis: Some basic concepts, CURRENT-PRACTICE-OF-GAS-CHROMATOGRAPHY-MASS-SPECTROMETRY. 2001; VOL 86 : 441-454, 2001, IBN: 0-8247-0473-8
  51. Schilt-R; De-Wasch-K; Impens-S; De-Brabander-HF; Leloux-MS, Applications of gas chromatography-mass spectrometry in residue analysis of veterinary hormonal substances and endocrine disrupters,
    CURRENT-PRACTICE-OF-GAS-CHROMATOGRAPHY-MASS-SPECTROMETRY. 2001; VOL 86 : 455-481, 2001, IBN: 0-8247-0473-8
  52. Andre-F; De-Wasch-KKG; De-Brabander-HF; Impens-SR; Stolker-LAM; van-Ginkel-L; Stephany-RW; Schilt-R; Courtheyn-D; Bonnaire-Y; Furst-P; Gowik-P; Kennedy-G; Kuhn-T; Moretain-JP; Sauer-M, Trends in the identification of organic residues and contaminants: EC regulations under revision, TRAC-TRENDS-IN-ANALYTICAL-CHEMISTRY. AUG 2001; 20 (8) : 435-445, 2001
  53. Lommen-A; Schilt-R; Weseman-J; Roos-AH; van-Velde-JW; Nielen-MWF, Application of 1D H-1 NMR for fast non-targeted screening and compositional analysis of steroid cocktails and veterinary drug formulations administered to livestock, JOURNAL-OF-PHARMACEUTICAL-AND-BIOMEDICAL-ANALYSIS. APR 1 2002; 28 (1) : 87-96, 2002
  54. Poelmans-S; De-Wasch-K; De-Brabander-HF; Van-de-Wiele-M; Courtheyn-D; van-Ginkel-LA; Sterk-SS; Delahaut-P; Dubois-M; Schilt-R; Nielen-M; Vercammen-J; Impens-S; Stephany-R; Hamoir-T; Pottie-G; Van-Poucke-C; Van-Peteghem-C, Analytical possibilities for the detection of stanozolol and its metabolites, ANALYTICA-CHIMICA-ACTA. NOV 25 2002; 473 (1-2): 39-47, 2002
  55. Impens-S; De-Brabander-H; Bergwerff-AA; Van-Ginkel-LA; Schilt-R; Stephany-RW; De-Wasch-K; Courtheyne-D; Van-Peteghem-C, Database dedicated to information published during the Benelux conferences on hormone and veterinary drug residue analyses, ANALYTICA-CHIMICA-ACTA. NOV 25 2002; 473 (1-2): 53-57, 2002
  56. S. Poelmans, K. De Wasch, Y. Martele, R. Schilt, N. Van Hoof, H. Noppe, T. Verslycke, C.R. Janssen, D. Courtheyn, H.F. De Brabander, The possible transformation of phytosterols to boldenone. Proceedings of the Euro Food Chem XII Strategies for Safe Food, Analytical, industrial and legal aspects: challenges in organisation and communication September 24-26, Brugge, Belgium, 2003, p. 74
  57. Blankvoort BM, Aarts JM, Schilt R, Geerdink P, Spenkelink B, Rodenburg RJ. Related Articles, Detection of hormonal anabolic compounds in calf urine and unverified growth-promoting preparations: application of the AR-LUX bioassay for screening and determination of androgenic activity, Analyst. 2003 Nov; 128(11): 1373-81
  58. S. Poelmans, R. Schilt, R.W. Stephany, B. Le Bizec, R. Draisci, S. Sterk, L.A. van Ginkel, D. Courtheyn, N. Van Hoof, L. Lucentini, A. Macrì, K. De Wasch, H.F. De Brabander, EU EXPERT REPORT on BOLDENONE: State of the Art, May, 2003 (vs 1) and September 2003 (vs 2).
  59. S.S. Sterk, M.H. Blokland, L.A. van Ginkel, R. Schilt, E. van der Vlis, P. Boshuis, M.J. van Baak, M.W.F. Nielen, J.A. van Rhijn, D. Samson, H.J. Keukens, and R.W. Stephany, Boldenone ‘ an overview of Dutch research carried out in the veterinary field, ‘Euroresidue Conference on residues of veterinary drugs in food V’, Noordwijkerhout, The Netherlands, 10-12 May 2004
  60. van-Hoof-N; Schilt-R; van-der-Vlis-E; Boshuis-P; van-Baak-M; Draaijer-A; de-Wasch-K; Van-de-Wiele-M; van-Hende-J; Courtheyn-D; de-Brabander-H, Excretion profile of zilpaterol in calf urine and faeces, ‘Euroresidue Conference on residues of veterinary drugs in food V’, Noordwijkerhout, The Netherlands, 10-12 May 2004
  61. Schilt, R. and van der Vlis, E., Identification of group A substances ‘observations and experiences with validation and real life samples, oral presentation and proceedings, ‘Euroresidue Conference on residues of veterinary drugs in food V’, Noordwijkerhout, The Netherlands, 10-12 May 2004
  62. H. F. De Brabander, S. Poelmans, R. Schilt, R. W. Stephany, B. Le Bizec, R. Draisci, S. S. Sterk, L. A. Van Ginkel, D. Courtheyn, N. Van Hoof, A. Macri and K. De Wasch, Presence and metabolism of the anabolic steroid boldenone in various animal species: a review, Food Additives and Contaminants, JUN 2004; 21 (6) : 515-525
  63. van-Hoof-N; Schilt-R; van-der-Vlis-E; Boshuis-P; van-Baak-M; Draaijer-A; de-Wasch-K; Van-de-Wiele-M; van-Hende-J; Courtheyn-D; de-Brabander-H, Detection of zilpaterol (Zilmax(R)) in calf urine and faeces with liquid chromatography-tandem mass spectrometry, Analytica-Chimica-Acta. JAN 24 2005; 529 (1-2) : 189-197
  64. Blankvoort-BMG; Rodenburg-RJT; Murk-AJ; Koeman-JH; Schilt-R; Aarts-JMMJG, Androgenic activity in surface water samples detected using the AR-LUX assay: indications for mixture effects, Environmental-Toxicology-And-Pharmacology. FEB 2005; 19 (2) : 263-272
  65. Van-Poucke-C; Dumoulin-F; Yakkundi-S; Situ-C; Elliott-CT; Grutters-EM; Verheijen-R; Schilt-R; Eriksson-S; Van-Peteghem-C, Banned antibacterial growth promoters in animal feed: Collaborative trial on the liquid chromatography-tandem mass spectrometry method developed in the feedstuffs-radius project, Analytica Chimica Acta. Jan 31 2006; 557 (1-2) : 204-210
  66. Le Bizec B, Courant F, Gaudin I, Bichon E, Destrez B, Schilt R, Draisci R, Monteau F, Andre F., Criteria to distinguish between natural situations and illegal use of boldenone, boldenone esters and boldione in cattle 1. Metabolite profiles of boldenone, boldenone esters and boldione in cattle urine. Steroids. 2006 Dec; 71(13-14):1078-87. Epub 2006 Nov 7.

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