Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Wilbert Shimoda"'
Publikováno v:
Journal of AOAC INTERNATIONAL. 74:780-784
A liquid chromatographic (LC) method is described for the determination of chlortetracycline hydrochloride (CTC) in poultry/swine and ruminant feeds in the 10-100 ppm range and in premix. CTC is extracted from ground feed/premix with acidified aceton
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::633e63f7b7384ac57efe4d8fc52c7978
https://doi.org/10.1093/jaoac/74.5.780
https://doi.org/10.1093/jaoac/74.5.780
Publikováno v:
Journal of AOAC INTERNATIONAL. 73:940-946
A method Is presented for determination of residues of gentian violet (GV), Its demethylated metabolites (pentamethyl and tetramethyl), and leucogentian violet (LGV) In chicken tissue. The analytes are extracted from tissue with acetonitrlle/ buffer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::504b5918870609d01c583b286c2df874
https://doi.org/10.1093/jaoac/73.6.940
https://doi.org/10.1093/jaoac/73.6.940
Publikováno v:
Journal of AOAC INTERNATIONAL. 73:705-708
The metabolite leucogentian violet (LGV) was found In chicken fat obtained from chickens dosed with gentian violet (GV); however, no residues of the parent compound, GV, and Its oxidized metabolites were found. Therefore, a rapid method was developed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f02cc3ecb5150fab2b93451dde6a96d8
https://doi.org/10.1093/jaoac/73.5.705
https://doi.org/10.1093/jaoac/73.5.705
Autor:
José E Roybal, Henry R Skinner, Robert K Munns, Wilbert Shimoda, Gene J Nandrea, William J Morris
Publikováno v:
Journal of AOAC INTERNATIONAL. 70:630-634
Extracts from 4 types of swine feed containing 0.11 ppm each of dimetridazole (DMZ) and ipronidazole (IPR) were analyzed by capillary gas chromatography/mass spectrometry (GC/MS) using multiple ion detection (MID) techniques. We demonstrate in this p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dde6bc5be60ff9d325170eacf7f3c225
https://doi.org/10.1093/jaoac/70.4.630
https://doi.org/10.1093/jaoac/70.4.630
Autor:
Elizabeth E Martinez, Wilbert Shimoda
Publikováno v:
Journal of AOAC INTERNATIONAL. 71:477-480
A liquid chromatographic method for the multiresidue determination of tetracyclines (TCs) in feeds is described. The levels of quantitation were 10 ppm each for tetracycline-HCl (TC), oxytetracycline (OTC), and chlortetracycline-HCl (CTC); the detect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05453d4eedb05abcfcfb52b2a83a190d
https://doi.org/10.1093/jaoac/71.3.477
https://doi.org/10.1093/jaoac/71.3.477
Publikováno v:
Journal of Agricultural and Food Chemistry. 31:292-296
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::322f10ecfc7c427a03b2c4f5ac594fd5
https://doi.org/10.1021/jf00116a027
https://doi.org/10.1021/jf00116a027
Autor:
Robert K Munns, Cassandra L Vieira, José E Roybal, Jeffrey A Hurlbut, Thomas R Morrison, Wilbert Shimoda
Publikováno v:
Journal of AOAC INTERNATIONAL. 70:626-630
A simple and rapid method is described for the determination of dimetridazole (DMZ) and ipronidazole (IPR) in swine feeds at various levels (0.11-110 ppm). The drugs are released from feed by prewetting with a buffer, followed by extraction with eith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ef7de9f7fca6f51700a5138a19efafc
https://doi.org/10.1093/jaoac/70.4.626
https://doi.org/10.1093/jaoac/70.4.626
Autor:
Wilbert Shimoda, Elizabeth E Martinez
Publikováno v:
Journal of AOAC INTERNATIONAL. 69:637-641
A liquid chromatographic (LC) method with fluorometric detection was developed to quantitatively determine residue levels of monensin, salinomycin, narasin, and lasalocid in beef liver tissue. The ionophores are extracted from the tissue, purified by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2fe6c2804087466562de1c1a354d415
https://doi.org/10.1093/jaoac/69.4.637
https://doi.org/10.1093/jaoac/69.4.637
Autor:
Elizabeth E Martinez, Wilbert Shimoda
Publikováno v:
Journal of AOAC INTERNATIONAL. 72:742-745
A modified liquid chromatographic method is described for the determination of Gentian Violet (GV) in animal feed. The reliable detection limit is 0.5 ng (reference standards), and 1 ppm GV was reliably determined in feed. The calibration curve was l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41486f06ab93e28f7b1719e3b26a6cc8
https://doi.org/10.1093/jaoac/72.5.742
https://doi.org/10.1093/jaoac/72.5.742
Publikováno v:
Journal of AOAC INTERNATIONAL. 71:263-271
A sensitive method is described for the determination and confirmation of zeranol and zearalenone, as well as their isomers and metabolites, in edible animal tissue. The analytes are extracted from tissue with methanol, hydrolyzed enzymatically, clea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d83639eb2a6b3239aa3355de843157ca
https://doi.org/10.1093/jaoac/71.2.263
https://doi.org/10.1093/jaoac/71.2.263