Zobrazeno 1 - 8
of 8
pro vyhledávání: '"H. J. Keukens"'
Autor:
J. Oosting, F. L. Njoo, H. Van Wilgenburg, J. S. Stilma, W. M. J. Beek, A. Kijlstra, H. J. Keukens
Publikováno v:
American Journal of Tropical Medicine and Hygiene, 52(1), 94-97
American Journal of Tropical Medicine and Hygiene 52 (1995) 1
American Journal of Tropical Medicine and Hygiene 52 (1995) 1
Ivermectin treatment of onchocerciasis patients can be accompanied by adverse reactions. Not much is known concerning the pathogenesis of these reactions. Previous studies have demonstrated that the occurrence and extent of adverse reactions are rela
Publikováno v:
The Analyst, 123, 2525-2527
The Analyst 123 (1998)
The Analyst 123 (1998)
Flubendazole residues in eggs were experimentally induced by providing groups of 8 laying hens feed with approximately 3, 10 and 30 mg kg-1 flubendazole for 21 days. Eggs were sampled during this period and one week after the administration. Samples
Publikováno v:
Journal of chromatography. 541(1-2)
A method developed for the determination of residues of carbadox and its metabolites in swine tissues using high-performance liquid chromatography with on-line precolumn enrichment and postcolumn derivatization with UV-VIS detection was optimized and
Publikováno v:
Journal - Association of Official Analytical Chemists. 74(1)
A simple, rapid liquid chromatographic (LC) method that uses UV/VIS detection has been developed for the determination in eggs of residues of the histomonostats dimetridazole (DMZ), ronidazole (RON), ipronidazole (IPR), and side-chain hydroxylated me
Autor:
D. M. Barends, H. Lingeman, W. van der Doelen, W. M. J. Beek, H. J. Keukens, M. M. L. Aerts, J. H. Beijnen, R. J. Driebergen, T. J. M. Hodes, J. J. M. Holthuis, D. N. Reinhoudt, W. J. M. Underberg, A. Dams, G. de Groot, D. J. de Wildt, J. J. M. Lansemeyer, B. Sangster, L. Delbressine, M. Moonen, M. v. Oosterhout, G. Wagenaars, F. Kaspersen, M. De Smet, S. Van Belle, C. Storme, D. L. Massart, H. A. J. de Waal, J. C. Kraak, F. J. M. J. Haessen, S. M. Dreijer-van der Glas, A. Bult, B. F. H. Drenth, K. J. Hellingwerf, J. den Hartigh, J. S. Blauw, J. H. Beljnen, W. J. van Oort, S. J. Postma, W. Verboom, P. Lelieveid, R. H. Drost, R. D. van Ooijen, T. I. Ionescu, J. M. van Rossum, R. A. A. Maes, F. Elferink, W. J. F. van der Vijgh, I. Klein, H. M. Pinedo, N. Haagsma, B. Dieleman, B. G. M. Gortemaker, C. van de Water, M. J. B. Mengelers, C. Schreuder, A. Hulshoff, P. L. Jacobs, G. J. H. Scnmeits, H. Nieuwenhuyse, J. Vink, H. Jansen, E. G. van der Velde, U. A. Th. Brinkman, R. W. Frei, H. Veening, W. Th. Kok, W. H. Voogt, P. H. Kuijpers, J. Zeeman, G. J. de Jong, G. Musch, Frits A. J. Muskiet, N. M. M. Nibbering, H. J. E. M. Reeuwijk, U. R. Tjaden, L. G. C. Spanjers, J. P. de Kleijn, H. C. Kerkdijk, Gerrit L. M. van de Laar, Jan E. Paanakker, O. A. G. J. van der Houwen, J. Teeuwsen, J. v. Gorp, P. Salemink, M. Vermeulen, L. Kolkman, G. W. Welling, R. van der Zee, S. Wellinq-Wester, J. van der Greef
Publikováno v:
Pharmaceutisch Weekblad. 7:285-292
Publikováno v:
Journal - Association of Official Analytical Chemists. 72(4)
A liquid chromatographic (LC) method for the determination of chloramphenicol (CAP) residues in meat at the 10 microgram/kg level was tested in an interlaboratory study. The method used, based on aqueous extraction and sample cleanup with a cartridge
Publikováno v:
Journal - Association of Official Analytical Chemists. 63(5)
A method is described for determining individual polychlorinated biphenyls (PCBs) in milkfat at the ppb level. Extraction and major cleanup are done simultaneously by saponification of the milkfat. After final cleanup on basic alumina, the concentrat
Autor:
T. J. Van Munsteren, A. H. Roos, L. G. M. T. Tuinstra, H. J. Keukens, W. A. Traag, J.J.M. Driessen
Publikováno v:
International journal of environmental analytical chemistry. 14(2)
A gel permeation (GPC) clean-up procedure of fish samples in combination with capillary gas chromatography is used for the determination of individual chlorobiphenyls. The described method is compared with a more universal method based on saponificat