Author

Gary N. W. Leung

Observed names: G. N. W. Leung, G.N.W. Leung, Gary N.W. Leung, Gary Ngai-Wa Leung, Gary Ngai-wa Leung, Gary Ngai‐Wa Leung, Gary Ngai‐Wa Leung

Institution: Laboratory of Racing Chemistry

Observed institutions: Hong Kong University of Science and Technology, Hong Kong Jockey Club, Laboratory of Racing Chemistry

ORCID: 0000-0002-6949-5721

Observed ORCID: 0000-0002-6949-5721

OpenAlex ID: A5011930657

Separation of basic drugs with non-aqueous capillary electrophoresis

1996 · Gary N.W. Leung, Hubert P.O. Tang, et al. · Journal of Chromatography A · 61

Aminorex and rexamino as metabolites of levamisole in the horse

2009 · E.N.M. Ho, D.K.K. Leung, et al. · Analytica Chimica Acta · 50

Doping control analysis of seven bioactive peptides in horse plasma by liquid chromatography–mass spectrometry

2013 · Wai Him Kwok, Emmie N. M. Ho, et al. · Analytical and Bioanalytical Chemistry · 42

High-throughput screening of corticosteroids and basic drugs in horse urine by liquid chromatography-tandem mass spectrometry

2005 · Gary N.W. Leung, Evonne W. Chung, et al. · Journal of Chromatography B · 39

High throughput screening of sub-ppb levels of basic drugs in equine plasma by liquid chromatography–tandem mass spectrometry

2006 · Gary N.W. Leung, David K.K. Leung, et al. · Journal of Chromatography A · 37

Screening of drugs in equine plasma using automated on-line solid-phase extraction coupled with liquid chromatography–tandem mass spectrometry

2010 · W.H. Kwok, David K.K. Leung, et al. · Journal of Chromatography A · 34

Analyses of quaternary ammonium drugs in horse urine by capillary electrophoresis - mass spectrometry

2001 · Francis P. W. Tang, Gary N. W. Leung, et al. · Electrophoresis · 32

Metabolic studies of mesterolone in horses

2007 · Emmie N.M. Ho, David K.K. Leung, et al. · Analytica Chimica Acta · 31

Screening of over 100 drugs in horse urine using automated on-line solid-phase extraction coupled to liquid chromatography-high resolution mass spectrometry for doping control

2017 · W.H. Kwok, Timmy L.S. Choi, et al. · Journal of Chromatography A · 29

Doping control analysis of anabolic steroids in equine urine by gas chromatography‐tandem mass spectrometry

2016 · April S. Y. Wong, Gary N. W. Leung, et al. · Drug Testing and Analysis · 23

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Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry

2015 · Wai Him Kwok, Gary N.W. Leung, et al. · The Journal of Steroid Biochemistry and Molecular Biology · 23

Detection of bioactive peptides including gonadotrophin‐releasing factors (GnRHs) in horse urine using ultra‐high performance liquid chromatography–high resolution mass spectrometry (UHPLC/HRMS)

2020 · Karen Y. Kwok, Timmy L. S. Choi, et al. · Drug Testing and Analysis · 22

A high‐throughput and broad‐spectrum screening method for analysing over 120 drugs in horse urine using liquid chromatography–high‐resolution mass spectrometry

2020 · Jenny K.Y. Wong, George H.M. Chan, et al. · Drug Testing and Analysis · 21

Unusual observations during steroid analysis

2008 · Wai Him Kwok, David K. K. Leung, et al. · Rapid Communications in Mass Spectrometry · 21

A bottom-up approach in estimating the measurement uncertainty and other important considerations for quantitative analyses in drug testing for horses

2007 · Gary N.W. Leung, Emmie N.M. Ho, et al. · Journal of Chromatography A · 20

Long‐term monitoring of IOX4 in horse hair and its longitudinal distribution with segmental analysis using liquid chromatography/electrospray ionization Q Exactive high‐resolution mass spectrometry for the purpose of doping control

2022 · Hideaki Ishii, Mariko Shibuya, et al. · Drug Testing and Analysis · 18

Metabolic studies of formestane in horses

2013 · Gary N. W. Leung, W. H. Kwok, et al. · Drug Testing and Analysis · 17

In vitro and in vivo studies of androst‐4‐ene‐3,6,17‐trione in horses by gas chromatography–mass spectrometry

2009 · Gary N. W. Leung, Francis P. W. Tang, et al. · Biomedical Chromatography · 17

Metabolic Studies of Clostebol Acetate in Horses

2005 · G. N. W. Leung, E. N. M. Ho, et al. · Chromatographia · 17

Pharmacokinetic Study of Vadadustat and High-Resolution Mass Spectrometric Characterization of its Novel Metabolites in Equines for the Purpose of Doping Control

2022 · Hideaki Ishii, Mariko Shibuya, et al. · Current Drug Metabolism · 14

Detection and longitudinal distribution of GW1516 and its metabolites in equine hair for doping control using liquid chromatography/high‐resolution mass spectrometry

2021 · Hideaki Ishii, Mariko Shibuya, et al. · Rapid Communications in Mass Spectrometry · 14

Metabolic studies of 1‐testosterone in horses

2012 · W. H. Kwok, Emmie N. M. Ho, et al. · Drug Testing and Analysis · 14

Comprehensive metabolic study of nicotine in equine plasma and urine using liquid chromatography/high-resolution mass spectrometry for the identification of unique biomarkers for doping control

2022 · Hideaki Ishii, Gary Ngai-Wa Leung, et al. · Journal of Chromatography B · 13

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Metabolic study of GW1516 in equine urine using liquid chromatography/electrospray ionization Q‐Exactive high‐resolution mass spectrometry for doping control

2020 · Hideaki Ishii, Mariko Shibuya, et al. · Rapid Communications in Mass Spectrometry · 13

Generic approach for the discovery of drug metabolites in horses based on data-dependent acquisition by liquid chromatography high-resolution mass spectrometry and its applications to pharmacokinetic study of daprodustat

2022 · Hideaki Ishii, Mariko Shibuya, et al. · Analytical and Bioanalytical Chemistry · 11

Works count: 54

Citation count: 761

H-index: 17

I10-index: 29