Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Karen Y. Kwok"'
Autor:
Gary N. W. Leung, Terence S.M. Wan, Farrington F. Adrian, Karen Y. Kwok, Ming Yip Lau, Timmy L.S. Choi, Elvis M. K. Leung, Wai Him Kwok, Anil Prabhu, Emmie N.M. Ho, Jenny K.Y. Wong
Publikováno v:
Drug testing and analysisREFERENCES. 12(9)
The use of bioactive peptides as a doping agent in both human and animal sports has become increasingly popular in recent years. As such, methods to control the misuse of bioactive peptides in equine sports have received attention. This paper describ
Autor:
Terence S.M. Wan, Karen Y. Kwok, April S.Y. Wong, Emmie N.M. Ho, Jenny K.Y. Wong, Timmy L.S. Choi
Publikováno v:
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences. 1147
Antipsychotics are banned substances and considered by the Federation Equestrian Internationale (FEI) to have no legitimate use in equine medicine and/or have a high potential for abuse. These substances are also prohibited in horseracing according t
Autor:
Timmy L.S. Choi, Terence S.M. Wan, Jenny K.Y. Wong, Karen Y. Kwok, Wai Him Kwok, Yeuki Y.K. Tsoi
Publikováno v:
Journal of Chromatography A. 1566:51-63
Anabolic and androgenic steroids (AAS) are banned substances in both human and equine sports. They are often administered intramuscularly to horses in esterified forms for the purpose of extending their time of action. The authors' laboratory has pre
Publikováno v:
Journal of Chromatography A. 1493:76-86
Anabolic and androgenic steroids (AASs) are a class of prohibited substances banned in horseracing at all times. The common approach for controlling the misuse of AASs in equine sports is by detecting the presence of AASs and/or their metabolites in
Publikováno v:
Drug Testing and Analysis. 9:1349-1362
Selective estrogen receptor modulators (SERMs) are chemicals that possess the anti-oestrogenic activities that are banned 'in' and 'out' of competition by the World Anti-Doping Agency (WADA) in human sports, and by the International Federation of Hor
Autor:
Nirmal J.I. Kumar, Karen Y. Kwok, Nobuyoshi Yamashita, Paul K.S. Lam, Sachi Taniyasu, Yuefei Ruan, Dipa Lalwani, Eriko Yamazaki
Publikováno v:
Chemosphere. 229
In recent years, environmental issues emerging from per- and polyfluoroalkyl substances (PFAS) have raised high concern worldwide. Levels of human exposure to PFAS remain unknown in India. Biomonitoring data obtained from hair analysis have been evid
Autor:
Karen Y. Kwok, Wai Him Kwok, George H.M. Chan, Terence S.M. Wan, Timmy L.S. Choi, Jenny K.Y. Wong
Publikováno v:
Journal of Chromatography A. 1451:41-49
The high sensitivity of ultra high performance liquid chromatography coupled with high resolution mass spectrometry (UHPLC-HRMS) allows the identification of many prohibited substances without pre-concentration, leading to the development of simple a
Publikováno v:
Environmental Science & Technology. 50:6728-6736
Perfluorinated sulfonic acids (PFSAs) and perfluorinated carboxylic acids (PFCAs), as well as the replacement for the phase-out C8 PFSAs were determined in the liver samples of Indo-Pacific humpback dolphins (Sousa chinensis) and finless porpoises (N
Autor:
Xinhong Wang, Kenneth M.Y. Leung, Guijian Liu, James Lam, Nelson L.S. Lai, Karen Y. Kwok, Paul K.S. Lam, Nobuyoshi Yamashita
Publikováno v:
Journal of hazardous materials. 371
The concentrations and spatial distribution of 14 organophosphorus flame retardants (OPFRs) and plasticizers were studied in aquatic environments of China, namely, the Pearl River Delta (PRD), South China Sea (SCS) and Yellow River Estuary (YRE), as
Autor:
Wai Him Kwok, Terence S.M. Wan, Jenny K.Y. Wong, David K.K. Leung, Colton H.F. Wong, Gary N. W. Leung, Karen Y. Kwok
Publikováno v:
Journal of Mass Spectrometry. 50:994-1005
The positive findings of norbolethone in 2002 and tetrahydrogestrinone in 2003 in human athlete samples confirmed that designer steroids were indeed being abused in human sports. In 2005, an addition to the family of designer steroids called ‘Madol