Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Pak-Sin Chu"'
Autor:
Pak-Sin Chu, Hiranthi Jayasuriya, Renate Reimschuessel, Upul Nishshanka, Kande Amarasinghe, Nicholas R. Hasbrouck, Eric Evans
Publikováno v:
Journal of Agricultural and Food Chemistry. 63:5753-5760
Methyltestosterone (MT), a strong androgenic steroid, is not approved for use in fish aquaculture in the United States. It is used in the U.S. under an investigational new animal drug exemption (INAD) only during the early life stages of fish. There
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e95749ce738058ad749f8e1ff9a09c6
https://doi.org/10.1021/jf506151g
https://doi.org/10.1021/jf506151g
Autor:
Renate Reimschuessel, Olgica Ceric, Pak-Sin Chu, Philip James Kijak, Hemakanthi G. De Alwis, Upul Nishshanka, Andriy Tkachenko, Chaitali Chattopadhaya, Hiranthi Jayasuriya
Since 2007, the U.S. FDA's Center for Veterinary Medicine (CVM) has been investigating reports of pets becoming ill after consuming jerky pet treats. Jerky used in pet treats contains glycerin, which can be made from vegetable oil or as a byproduct o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::862593c57aabdfbc04fcf37cfbf5f8a8
https://europepmc.org/articles/PMC4869702/
https://europepmc.org/articles/PMC4869702/
Autor:
Eric Evans, Nicholas R. Hasbrouck, Pak-Sin Chu, Kande Amarasinghe, Renate Reimschuessel, Hiranthi Jayasuriya
Publikováno v:
Journal of Agricultural and Food Chemistry. 60:5084-5088
This paper describes the development of a fast method to screen and confirm methyltestosterone 17-O-glucuronide (MT-glu) in tilapia bile. The method consists of solid-phase extraction (SPE) followed by high-performance liquid chromatography-mass spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a124d1401dc041b4e46ce770bbea763f
https://doi.org/10.1021/jf300427j
https://doi.org/10.1021/jf300427j
Publikováno v:
Aquaculture. 272:192-198
The residue depletion and metabolism of tritium-labeled ivermectin were studied in the muscle tissue of rainbow trout following oral treatment. Fish were administered 3H-ivermectin at the dose level of 0.1 mg/kg of body weight (9.25 μCi) in a gel-ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f05d1f218f02f2b6472691de233bd84
https://doi.org/10.1016/j.aquaculture.2007.08.050
https://doi.org/10.1016/j.aquaculture.2007.08.050
Publikováno v:
Journal of Agricultural and Food Chemistry. 54:3193-3198
An analytical method was developed to quantitate and confirm the presence of 17alpha-methyltestosterone in the muscles of tilapia, rainbow trout, and salmon. The method employed two liquid-liquid partitioning steps and two solid-phase extraction colu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd4bcecdd45b42c1541fd9ff8333ca68
https://doi.org/10.1021/jf052701r
https://doi.org/10.1021/jf052701r
Publikováno v:
Journal of Agricultural and Food Chemistry. 50:4452-4455
A liquid chromatographic method was developed for the determination of ciprofloxacin, enrofloxacin, and sarafloxacin at 10-200 ppb in both egg yolk and egg albumen of laying hens. Egg yolk or albumen was acidified with 1 M phosphoric acid followed by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf3f589c5da53ee4e2d3d3178c725d23
https://doi.org/10.1021/jf0202032
https://doi.org/10.1021/jf0202032
Publikováno v:
Journal of AOAC INTERNATIONAL. 81:973-977
A method capable of quantitating cephapirin at a level of 20 ng/mL and ceftiofur at a level of 50 ng/mL was developed for raw bovine milk. Raw bovine milk is deproteinated with acetonitrile. The supernatant is collected and then acetonitrile is remov
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92946c2b0f7242f6d9aa8b7a17600d25
https://doi.org/10.1093/jaoac/81.5.973
https://doi.org/10.1093/jaoac/81.5.973
Publikováno v:
Journal of Agricultural and Food Chemistry. 43:2122-2125
A method capable of quantifying spectinomycin in raw bovine milk was developed and validated for 100-400 ng/mL. In this procedure the milk is centrifuged at -4 °C and the top fat layer removed. The defatted milk is deproteinated by precipitation wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36e67ca147c10653db700bd396dd19f9
https://doi.org/10.1021/jf00056a030
https://doi.org/10.1021/jf00056a030
Publikováno v:
Archives of Toxicology. 67:39-43
The in vivo metabolism and excretion of the urinary metabolites from the pyrrolizidine alkaloids (PAs), retrorsine (RET) and retrorsine-N-oxide (RET-NO) have been studied in rats. Isatinecic acid (INA), pyrrolic metabolites, N-oxides and retronecine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d84e57610716627864287c1ac8c2a41b
https://doi.org/10.1007/bf02072033
https://doi.org/10.1007/bf02072033
Publikováno v:
Journal of Agricultural and Food Chemistry. 48:6409-6411
[14C]Sarafloxacin was orally administered to six laying hens for five consecutive days. Eggs were collected for 15 days after the initial drug treatment. Egg yolk and egg albumen were separated and assayed for total radioactive residues (TRR) using a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9af94e3eeb03b6bc9cb1dc433b8961fa
https://doi.org/10.1021/jf000518m
https://doi.org/10.1021/jf000518m