Doping Control - Racing Laboratory
Font Size

Publication List (Since 2014)

Title Link Authors Journal Pub. Year Volume Issue Page no.
Metabolic studies of nandrolone decanoate in castrated horses after intramuscular administration
Yat-Ming So, Wai Him Kwok, Christina W. Y. Tang, Celia O. L. Wong, Terrance S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2025
Multiplex detection of seven transgenes for human gene doping analysis
Nana Naumann, Carolin Do, Caren Vollmert, Maroje Krajina, Andreas Thomas, Hiu Wing Cheung, Kin-Sing Wong, Terence S. M. Wan, Emmie N. M. Ho & Mario Thevis Scientific Reports 2025 15
Analytical data review on an artificial intelligence platform for doping control in horse racing
Chun Sing Lai, April S. Y. Wong, Kin-Sing Wong, Terence S. M. Wan & Emmie N. M. Ho Anal. Chem. 2025 97 26
Doping control of ranitidine in horses
Helen S. M. Ho, James X. Mizzi, Emmie N. M. Ho, Wing-Tak Wong Drug Test Anal. 2025
Multiplex PCR-liquid chromatography high-resolution tandem mass spectrometry for simultaneous detection of multiple transgenes in equine plasma
Bruce Pui-Nam Yuen, Kin-Sing Wong, Yat-Ming So, Wai Him Kwok, Hiu Wing Cheung, Terence See M Wan, Emmie Ngai-Man Ho, Wing-Tak Wong Anal. Chem. 2025 97 20
Transcriptomic biomarkers in blood indicative of the administration of recombinant human erythropoietin to thoroughbred horses
Hiu Wing Cheung, Kin-Sing Wong, Paul C. F. Cheng, Candice Y. N. Tsang, Adrian F. Farrington, Terence S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2025
Endogenous nature of hydrocortisone acetate in horse
Fred K. W. Kong, April S. Y. Wong, Terence S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2025
In vivo metabolic studies of 2-hydroxyethyl salicylate in horses
Helen S. M. Ho, Adrian F. Farrington, Emmie N. M. Ho, Wing-Tak Wong Drug Test Anal. 2025 17 9 1785-1794
A generic detection method for the doping control analysis of Fc-fusion proteins and monoclonal antibodies in equine plasma
Tony H. W. Cheung, K. S. Wong, Y. C. Choi, W. H. Kwok, Yat-Ming So, Adrain F. Farrington, Amanda J. Bond, Terence S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2025 17 9 1726-1742
Detection of over 110 AAS, corticosteroids and/or their esters in horse hair using ultra-high-performance liquid chromatography–high-resolution mass spectrometry and gas chromatography–tandem mass spectrometry after solid-supported liquid extraction
Yat-Ming So, Wai Him Kwok, Chris C. W. Ching, Celia O. L. Wong, Terence S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2024 17 8 1303-1322
Doping control analysis of methylsulfonylmethane in horses
Jenny K. Y. Wong, Timmy L. S. Choi, Celia O. L. Wong, Peter Crul, Terence S. M. Wan, Emmie N.-M. Ho Drug Test Anal. 2024 17 8 1380-1383
Doping control analysis of total carbon dioxide (TCO2) in equine plasma by headspace gas chromatography – mass spectrometry (HS-GC/MS)
Karen Y. Kwok, Wai Him Kwok, Terence S. M. Wan, Lydia Brooks, Marie-Agnes Popot, Murielle Jaubert, Ludovic Bailly-Chouriberry, Brendan T. Heffron, Chak Kwen Choo, Juanita Tso, Richard Tso, Bob McKenzie, Naomi Selvadurai, David Batty, Bob Gray, Adam Hudson, Stefania Ragazzoni, Mariani Claudio, Emmie N. M. Ho Drug Test Anal. 2024 17 8 1260-1268
Discovery of biomarkers of a recombinant human erythropoietin administration to thoroughbred geldings by label-free proteomics
Hiu Wing Cheung, Kin-Sing Wong, Jimmy C. L. Tam, Adrian F. Farrington, Amanda J. Bond, Terence S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2024 17 7 1053-1062
Detection of nonsteroidal and steroidal selective androgen receptor modulators in equine hair after oral administrations
Yat-Ming So, Fred Ka-Wai Kong, Wai Him Kwok, Karen Ying Kwok,Terence See Ming Wan, Emmie Ngai-Man Ho Drug Test Anal. 2024 17 5 655-662
Intelligence-based anti-doping via an Intelligence and Drug Testing Management (IDTM) system
Wai Him Kwok, Elvis M. K. Leung, Richard C. M. Chan, Emmie N. M. Ho Drug Test Anal. 2024 17 5 620-625
Doping control of estra-4,9-diene-3,17-dione in horses
Helen S. M. Ho, Adrian F. Farrington, Amanda J. Bond, Emmie N. M. Ho, Wing-Tak Wong Drug Test Anal. 2024 17 4 518-530
Doping control analysis of perfluorocarbons in equine plasma by headspace gas chromatography-tandem mass spectrometry
Fred K. W. Kong, April S. Y. Wong, Raymond K. K. Cheung, Terence S. M. Wan, Emmie N. M. Ho Drug Test Anal. 2024 17 7 1011-1027
Doping control analysis of myo-inositol trispyrophosphate and 10 bisphosphonates in equine plasma by ion chromatography– mass spectrometry and its application to clodronic acid horse administration
April Sum Yee Wong, Bruce Pui-Nam Yuen, Celia Oi Ling Wong, Fred Ka-Wai Kong, Yat-Ming So, Wai Him Kwok, Lydia Brooks, Terence See Ming Wan, Emmie Ngai-Man Ho Drug Test Anal. 2024 17 4 506-516
Association of Official Racing Chemists guidelines for drug testing in animal hair for doping control
Bob Gray, Ludovic Bailly-Chouriberry, Wai Him Kwok, Sean Yamada, Masayuki Yamada, Benjamin Moeller Drug Test. Anal. 2024 17 2 198-204
Endogenous nature of estra-4,9-diene-3,17-dione in entire male horses
Helen S. M. Ho, Emmie N. M. Ho, Wing-Tak Wong Drug Test. Anal. 2024 17 1 75-87
Gene doping control analysis of human erythropoietin transgene in equine plasma by PCR-liquid chromatography high-resolution tandem mass spectrometry
Bruce Pui-Lam Yuen, Kin-Sing Wong, Yat-Ming So, Wai Him Kwok, Hiu Wing Cheung,  Terence S.M. Wan, Emmie N.M. Ho and Wing Tak Wong Anal. Chem. 2024 96 13 5307-5314
An enhanced label-free proteomics approach for deep-diving into equine plasma proteome, including the discovery of protein biomarkers for strenuous exercise 
Hiu Wing Cheung, Kin-Sing Wong, Ning Sum To, Terence S. M. Wan, Emmie N. M. Ho Drug Test. Anal. 2024 16 8 841-854
Identification of the dermorphin tetrapeptide [Dmt1]-DALDA in a seized unlabelled vial and its first detection in horse urine: a case report 
Timmy L. S. Choi, Ming Yip Lau, Jenny K. Y. Wong, Terence S. M. Wan, Emmie N. M. Ho Drug Test. Anal. 2024 16 3 268-276
Screening and confirmation of recombinant human follistatin in equine plasma for doping control purposes
Kin-Sing Wong, Hiu Wing Cheung, Yung-Ching Choi, Ning-Sum To, Terence S. M. Wan, Emmie N. M. Ho Drug Test. Anal. 2024 16 3 259-267
A multiplex qPCR assay for transgenes detection: A novel approach for gene doping control in horseracing using conventional laboratory setup 
Kin-Sing Wong, Hiu Wing Cheung, Cherry W. L. Szeto, Candice Y. N. Tsang, Terence S. M. Wan, Emmie N. M. Ho Drug Test. Anal. 2023 15 8 879-888
Identification of erythropoietin mimetic peptide 1 linear form in a sealed vial and its administration study in horses for doping control purpose
Yat-Ming So, Jenny K. Y. Wong, April S. Y. Wong, Alice T. L. Tse, Terence S. M. Wan, Emmie N. M. Ho Drug Test. Anal. 2023 16 1 71-82
Optimization and implementation of four duplex qPCR assays for gene doping control in horseracing
Hiu Wing Cheung, Kin-Sing Wong, Venus Y. C. Lin, Adrian F. Farrington, Amanda J. Bond, Terence S. M. Wan, Emmie N. M. Ho Drug Test. Anal. 2022 14 9 1587-1598
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
Hideaki Ishii, Mariko Shibuya, Yat-Ming So, Jenny K. Y. Wong, Emmie N. M. Ho, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Ai Wakuno, Hideki Ito, Kenji Miyata, Masayuki Yamada, Gary Ngai-Wa Leung Drug Test. Anal. 2022 14 7 1244-1254
Comprehensive metabolic study of IOX4 in equine urine and plasma using liquid chromatography/electrospray ionization Q Exactive high-resolution mass spectrometer for the purpose of doping control
Hideaki Ishii, Mariko Shibuya, Yat-Ming So, Jenny K. Y. Wong, Emmie N. M. Ho, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Ai Wakuno, Hideki Ito, Kenji Miyata, Masayuki Yamada, Gary Ngai-Wa Leung Drug Test. Anal. 2022 14 2 233-251
Label-free proteomics for discovering biomarker candidates of RAD140 administration to castrated horses
Hiu Wing Cheung, Kin-Sing Wong, Ning Sum To, Amanda J. Bond, Adrian F. Farrington, Anil Prabhu, Peter Curl, Terence S.M. Wan, Emmie N.M. Ho Drug Test. Anal. 2021 13 5 1034-1047
Tiludronic acid can be detected in blood and urine samples from Thoroughbred racehorses over three years after last administration
Chris M. Riggs, Sarah L. Thompson, Yat-Ming So, Jenny K.Y. Wong, Terence S.M. Wan, Paul Robinson, Brian D. Stewart, Emmie N.M. Ho Equine Vet J. 2021 53 6 1287-1295
Unravelling androgens in sport: Altrenogest shows strong activation of the androgen receptor in a mammalian cell bioassay
Ashley Gillon, Emmie N.M. Ho, George H.M. Chan, Alexia Kauff, Gillian Hughes, Rachel A. Lund, Zoe Ashley, Terence S.M. Wan, Alison K. Heather Drug Test. Anal. 2021 13 3 523-528
A duplex qPCR assay for human erythropoietin (EPO) transgene to control gene doping in horses
Hideaki Ishii, Mariko Shibuya, Yat-Ming So, Jenny K. Y. Wong, Emmie N. M. Ho, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Ai Wakuno, Hideki Ito, Kenji Miyata, Masayuki Yamada, Gary Ngai-Wa Leung Drug Test. Anal. 2021 13 1 113-121
Metabolic studies of selective androgen receptor modulators RAD140 and S-23 in horses
Yat-Ming So, Jenny K.Y. Wong, Timmy L.S. Choi, Anil Prabhu, Brian Stewart, Adrian F. Farrington, Paul Robinson, Terence S.M. Wan, Emmie N.M. Ho Drug Test. Anal. 2020 13 2 318-337
Doping control analysis of total arsenic in equine plasma
George H.M. Chan, Wenlu Tang, Peter Curl, Yuanyuan Lin, Terence S.M. Wan, Emmie N.M. Ho Drug Test. Anal. 2020 12 10 1462-1469
Detection of bioactive peptides including gonadotrophin releasing factors (GnRHs) in horse urine using ultra-high performance liquid chromatography-high resolution massspectrometry (UHPLC/HRMS)
Karen Y. Kwok, Timmy L.S. Choi, Wai Him Kwok, Ming Yip Lau, Elvis M.K. Leung, Gary N.W. Leung, Jenny K.Y. Wong, Terence S.M. Wan, Farrington F. Adrian, Anil Prabhu, Emmie N.M. Ho Drug Test. Anal. 2020 12 9 1274-1286
Application of a non-target variable data independent workflow (vDIA) for the screening of prohibited substances in doping control testing
David K.K. Leung, April S.Y. Wong, Q.L. Zhou, Terence S.M. Wan, Emmie N.M. Ho Drug Test. Anal. 2020 13 5 1008-1033
A high-throughput and broad-spectrum screening method for analysing over 120 drugs in horse urine using liquid chromatography-high-resolution mass spectrometry
Jenny K.Y. Wong, George H.M. Chan, Timmy L.S. Choi, Karen Y. Kwok, Ming Y. Lau, Gary N.W. Leung, Terence S.M. Wan, Emmie N.M. Ho Drug Test. Anal. 2020 12 7 900-917
Doping control analysis of antipsychotics and other prohibited substances in equine plasma by liquid chromatography/tandem mass spectrometry
April S.Y. Wong, Timmy L.S. Choi, Karen Y. Kwok, Jenny K.Y. Wong, Terence S.M. Wan, Emmie N. M. Ho J. Chromatogr. B 2020 1147   122-132
Label-free proteomics for discovering biomaker candidates for controlling krypton misuse in castrated horses (Geldings)
Kin-Sing Wong, Hiu Wing Cheung, Timmy L.S. Choi, Wai Him Kwok, Peter Curl, Stewart C. Mechie, Anil Prabhu, Terence S.M. Wan, and Emmie N.M. Ho J. Proteome Res. 2020 19   1196-1208
Administration study of recombinant human relaxin-2 in horse for doping control purpose
Wai Him Kwok, Timmy L.S. Choi, Gary N.W. Leung, April S.Y. Wong, Samuel K. Yue, Terence S.M. Wan and Emmie N.M. Ho Drug Test. Anal. 2020 12 3 361-370
Horse administration study of methylstenbolone using liquid chromatography-high resolution mass spectrometry
Timmy L.S. Choi, Jenny K.Y. Wong, Wai Him Kwok, Peter Curl, Stewart Mechie,Terence S.M. Wan J. Chromatogr. A 2018 1546   106-118
Detection of seventy-two anabolic and androgenic steroids and/ortheir esters in horse hair using ultra-high performance liquidchromatography-high resolution mass spectrometryin multiplexedtargeted MS2 mode and gas chromatography-tandem massspectrometry
Timmy L.S. Choi, Karen Y. Kwok, Wai Him Kwok, Yeuki Y.K. Tsoi, Jenny K.Y. Wong, Terence S.M. Wan J. Chromatogr. A 2018 1566   51-63
Doping control analysis of 121 prohibited substances in equine hair by liquid chromatography-tandem mass spectrometry
Jenny K.Y. Wong*, Timmy L.S. Choi, Karen Y. Kwok, Elva N.Y. Lei, Terence S.M. Wan J. Pharm. Biomed. Anal. 2018 158   189-203
Interlaboratory trial for the measurement of total cobalt in equine urine and plasma by ICP-MS
Marie-Agnes Popo, Emmie N.M. Ho, Natalie Stojiljkovic, Florian Bagilet, Pierre Remy, Pascal Maciejewski, Benoit Loup,  George H.M. Chan, Sabine Hargrave, Rick M. Arthur, James White, Pamela Hincks, Clive Pearce, George Ganio, Paul Zahra Drug Test. Anal. 2017 9 9 1400-1406
Evidence of boldenone, nandrolone, 5(10)-estrene-3β-17α-diol and 4-estrene-3,17-dione as minor metabolites of testosterone in equine
Jenny K.Y. Wong, David K.K. Leung, Peter Curl, Peter J. Schiff, Kenneth K.H. Lam and Terence S.M. Wan Drug Test. Anal. 2017 9 9 1337-1348
Doping control study of AICAR in post-race urine and plasma samples from horses
Jenny K.Y. Wong, Wai Him Kwok, George H.M. Chan, Timmy L.S. Choi, Emmie N.M. Ho, Murielle Jaubert, Ludovic Bailly- Chouriberry, Yves Bonnaire, Adam Cawley, H. Ming Williams, John Keledjian, Lydia Brooks, Adam Chambers, Yuanyuan Lin, Terence S.M. Wan Drug Test. Anal. 2017 9 9 1363-1371
Detection of anabolic and androgenic steroids and/or their esters in horse hair using ultra-high performance liquid chromatography-high resolution mass spectrometry
Karen Y. Kwok, Timmy L.S. Choi, Wai Him Kwok, Jenny K.Y. Wong, Terence S.M. Wan J. Chromatogr. A 2017 1493   76-86
In vitro phase I metabolism of selective estrogen receptor modulators in horse using ultra-high performance liquid chromatography-high resolution mass spectrometry
Karen Y. Kwok, George H.M. Chan, Wai Him Kwok, Jenny K.Y. Wong and Terence S.M. Wan Drug Test. Anal. 2017 9 9 1349-1362
Identification of porcine relaxin in plasma by liquid chromatography-high resolution mass spectrometry
April S.Y. Wong, Emmie N.M. Ho, W.H. Kwok, Gary N.W. Leung, Yuehong Shen, Robert Z. Qi, Samuel K. Yue and Terence S.M. Wan Drug Test. Anal. 2017 9 9 1412-1420
Screening of over 100 drugs in horse urine using automated on-linesolid-phase extraction coupled to liquid chromatography-highresolution mass spectrometry for doping control
W.H. Kwok, Timmy L.S. Choi, Yeuki Y.K. Tsoi, Gary N.W. Leung, Terence S.M. Wan J. Chromatogr. A 2017 1490   89-101
Doping control analysis of lithium in horse urine and plasma by inductively coupled plasma mass spectrometry
Timmy L.S. Choi, Jenny K.Y. Wong, EmmieN.M. Ho, Wai Him Kwok, Gary N.W. Leung, Peter Curl and Terence S.M. Wan Drug Test. Anal. 2017 9 9 1407-1411
Simultaneous detection of recombinant growth hormones in equine plasma by liquid chromatography/high-resolution tandem mass spectrometry for doping control
Kin-Sing Wong, George H.M. Chan, Emmie N.M. Ho, Terence S.M. Wan J. Chromatogr. A 2016 1478   35-42
Doping control analysis of anabolic steroids in equine urine by gas chromatography-tandem mass spectrometry
April S.Y. Wong, Gary N.W. Leung, David K.K. Leung and Terence S.M. Wan Drug Test. Anal. 2017 9 9 1320-1327
Responses to commentary on paper: "Controlling the misuse of cobalt in horses"
Emmie N.M. Ho, Peter Curl, David Sykes, Terence S.M. Wan Drug Test. Anal. 2016 8 8 882-884
Doping control analysis of 46 polar drugs in horse plasma and urine using a 'dilute-and-shoot' ultra high performance liquidchromatography-high resolution mass spectrometry approach
Wai Him Kwok, Timmy L.S. Choi, Karen Y. Kwok, George H.M. Chan, Jenny K.Y. Wong,Terence S.M. Wan J. Chromatogr. A 2016 1451   41-49
Simultaneous detection of xenon and krypton in equine plasma by gas chromatography-tandem mass spectrometry for doping control
Wai Him Kwok, Timmy L. S. Choi, Pui-Kin So, Zhong-Ping Yao and Terence S.M. Wan Drug Test. Anal. 2017 9 2 317-322
Targeted metabolomics approach to detect the misuse of steroidal aromatase inhibitors in equine sports by biomarker profiling
George Ho Man Chan, Emmie Ngai Man Ho, David Kwan Kon Leung, Kin Sing Wong and Terence See Ming Wan Anal. Chem. 2016 88   764-772
Metabolic studies of oxyguno in horses
April S.Y. Wong, Emmie N.M. Ho, Terence S.M. Wan, Kenneth K.H. Lam, Brian D. Stewart Anal. Chim. Acta. 2015 891   190-202
Generation of phase  II in vitro metabolites using homogenized horse liver
Jenny K.Y. Wong, George H.M. Chan, David K.K. Leung, Francis P.W. Tang and Terence S.M. Wan Drug Test. Anal. 2015 8 2 241-247
Liquid chromatography-mass spectrometry analysis of five bisphosphonates in equine urine and plasma
April S.Y. Wong, Emmie N.M. Ho, Terence S.M. Wan, Kenneth K.H. Lam, Brian D. Stewart J. Chromatogr. B 2015 998   1-7
In vitro metabolism studies of desoxy-methyltestosterone (DMT) and its five analogues, and in vivo metabolism of desoxy-vinyltestosterone (DVT) in horses
Wai Him Kwok, Karen Y. Kwok, David K.K. Leung, Gary N.W. Leung, Colton H.F. Wong, Jenny K.Y. Wong and Terence S.M. Wan J. Mass Spectrom. 2015 50 8 994-1005
Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry
Wai Him Kwok, Gary N.W. Leung, Terence S.M. Wan, Peter Curl and Peter J. Schiff J. Steroid Biochem. Mol. Biol. 2015 152   142-154
Controlling the misuse of cobalt in horses
Emmie N.M. Ho, George H.M. Chan, Terence S.M. Wan, Peter Curl, Christopher M. Riggs, Michael J. Hurley and David Sykes Drug Test. Anal. 2015 7 1 21-30
Control of the misuse of testosterone in castrated horses based on an international threhold in plasma
Emmie N.M. Ho, W.H. Kwok, David K.K. Leung, Christopher M. Riggs, Gordon Sidlow, Brain D. Stewart, April S.Y. Wong and Terence S.M. Wan Drug Test. Anal. 2014 7 5 414-419
Doping control analysis of filgrastim in equine plasma and its application to a co-administration study of filgrastim and recombinant human erythropoietin in the horse
Emmie N.M. Ho, W.H. Kwok, M.Y. Lau, April S.Y. Wong, Kenneth K.H. Lam, Brain D. Stewart, Terence S.M. Wan J. Chromatogr. A 2014 1338   92-101
Doping control analyses in horseracing: A clinician's guide
Jenny K.Y. Wong, Terence S.M. Wan The Veterinary Journal 2014 200 1 8-16
 
Racing Information
Entries
Race Card (Local)
Current Odds
Results
Jockeys' Rides
Trainers' Entries
Racing News & Resources
Racing News
News Archives
Key Races
Horses
Jockeys
Trainers
Analytical Tools
SpeedPRO
Stats Centre
Intro to New Horses
Jockey/Trainer Combo & Debutants Performance
Horse Movement Records
Tips Index
Audio and Video
Live Broadcast
TV Programme Video
Barrier Trial Video
PP Pre-import Races Footage
Useful Info
General Information
Draw Statistics
Jockey Challenge Statistics
Flexi Bet
Media Communication System