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Publikováno v:
Journal of AOAC INTERNATIONAL. 76:325-328
A novel method for the assay of oxytetracycline residues in salmon muscle is described. Tissue is homogenized with 4 volumes of 1 % metaphosphoric acid in the presence of a small amount of dichloromethane (0.4 volume), shaken, and centrifuged. The re
Publikováno v:
Food Additives and Contaminants. 8:737-748
During surveillance of hog carcasses from Manitoba for antibiotic residues by the Health of Animals Laboratory, Agriculture Canada, Saskatoon, an unknown substance was found which produced tetracycline-like results with the methods used. This same su
Publikováno v:
Journal of AOAC INTERNATIONAL. 74:906-909
A previously developed method that uses a simplified sample preparation and fluorometric detection of liquid chromatographic eluates for the determination of oxolinic acid in salmon muscle has been collaboratively studied. Five laboratories participa
Autor:
G. Carignan, Karen Carrier
Publikováno v:
Journal of AOAC INTERNATIONAL. 74:479-482
The present paper describes a liquid chromatographic (LC) method for purification of crude swine tissue extracts before gas chromatographic/mass spectrometric (GC/MS) quantitation and confirmation of sulfamethazine at low ppb levels. Fractions corres
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 9:151-157
The 5-nitroimidazoles, dimetridazole and ronidazole, two important veterinary drugs, were reacted under reductive conditions with the sulfhydryl-containing substrates cysteine and glutathione to yield 5-amino-4- S -substituted imidazoles. After purif
Publikováno v:
Journal of Agricultural and Food Chemistry. 38:716-720
A liquid chromatographic method with electrochemical detection in the reduction mode has been adapted for the estimation of furazolidone in pig tissues at residue levels. Chromatography of standard solutions shows good linearity from 0.2 to at least
Autor:
Fredeen, S. Adl, N. Arsenault, T. Bouman, G. Carignan, C. D'Orsay, C. Halde, R. Martin, A. Mazzocca, D. McCorquodale, M. McElroy, N. McLean, A. Mills, Y. Papadopoulos, P. Tyedmers, J. Winter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87d7e01da4413f65bd93e53d1d66884d
Publikováno v:
British journal of clinical pharmacology. 51(6)
To evaluate the pharmacokinetic interaction between ritonavir and mefloquine.Healthy volunteers participated in two separate, nonfasted, three-treatment, three-period, longitudinal pharmacokinetic studies. Study 1 (12 completed): ritonavir 200 mg twi