Publications

Scientific Publications by Staff of the Government Laboratory

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Title Authors Published in
Antioxidants and Preservatives JTF Lau and YC wong Encyclopedia of Analytical Science (3rd Edition) Volume 3, Elsevier, 2019
Final report for CCQM-K141: High polarity analytes in food — enrofloxacin and sulfadiazine in bovine tissue (CCQM-K141) A Windust#, G McRae#, J Meija#, Z Mester#, JE Melanson#, M Croft#, L Johnston#, J Murby#, ECP do Rego#, FGM Violante#, JLN Fernandes#, W Wollinger#, RVP Leal#, H Li#, Q Zhang#, Y Gao#, D Bohm#, J Polzer#, E Kakoulidis#, P Giannikopoulou#, C Alexopoulos#, C Ho, SCM Yau, B Kim#, SW Hyung#, S Lee#, SY Baek#, A Krylov#, E Lopushanskaya#, M Belyakov#, Q Liu#, Juan Wang#, T Lu#, TL Teo#, K Shearman#, AC Gören#, B Binici#, LR Miguel# and C Hopley# Metrologia 56 (2019) Tech. Suppl. 08005
Final report on APMP.QM-S10: elements in food supplement N Hatamleh#, M Puelles#, H Lozano#, M Khan#, L Yang#, IG Pihillagawa#, K Nadeau#, Z Mester#, C Wei#, X Li#, DWM Sin, WH Fung, YT Tsoi, L Bergamaschi#, TO Okumu#, C Uribe#, A Stakheev#, R Shin#, R Jaćimović#, U Thiengmanee#, H Klich#, J Raouf#, N Chaabene#, S Chaieb# and HT Ngô# Metrologia 56 (2019) Tech. Suppl. 08009
Organochlorine Pesticides in Ginseng Root WF Wong, WH Lam, WH Fung, BM Muendo#, GM Karau#, K Hanen#, A Silva#, Q Zhang#, N Sudsiri# and D Styarini# Metrologia 56 (2019) Tech. Suppl. 08017
Competency for Chinese Handwriting and Signature Examination CK Li Journal of Forensic Science 64(2), (2019), 607-615
Toxicology WS Chan, GF Wong, CW Hung, YN Wong, KM Fung, WK Lee, KL Dao, CW Leung, KM Lo and WM Lee 19th INTERPOL International Forensic Science Managers Symposium Review Papers (2019), 457-562
Forensic drug analysis of chloro-N, N-dimethylcathinone (CDC) and chloroethcathinone (CEC): identification of 4-CDC and 4-CEC in drug seizures and differentiation from their ring-substituted positional isomers WC Cheng and WC Wong Forensic Science International 298, (2019), 268-277
Prevalence of drugs of abuse in testing of illicit drug seizures and urinalysis of selected population in Hong Kong WC Cheng and KL Dao Forensic Science International 299, (2019), 6-16
Population data of 23 autosomal STR loci in Hong Kong Chinese SW Lin, TT Lam and SCY Ip Forensic Sci Int Genet. 39, (2019), e24-e25
Haplotype data of 27 Y-STR loci in Hong Kong Chinese SCY Ip, SW Lin and TT Lam Forensic Sci Int Genet. 38, (2019), e14-e15
Final report for CCQM-K86.b relative quantification of Bt63 in GM rice matrix sample L Dong#, Z Sui#, Jing Wang#, VHM Tang, WWY Chum, FW Lee, DWM Sin, M Pérez-Urquiza#, M Burns#, SLR Ellison#, H Parkes#, M Milavec#, C Prawettongsopon#, KR Griffiths#, JLH McLaughlin#, S Shibayama#, S Akyurek# and M Akgoz# Metrologia 55, (2018) Tech. Suppl. 08017
A Prototype of Mathematical Treatment of Pen Pressure Data for Signature Verification CK Li, SK Wong and LC Chim Journal of Forensic Sciences 63(1), (2018), 275-284
Organizing a Proficiency Testing Program on Stamp Impressions Examination in Accordance with ISO/IEC 17043 Requirements CK Li, JWS Hui and CM Pang Journal of Forensic Sciences 63(5), (2018), 1556-1560
A performance study on three qPCR quantification kits and their compatibilities with the 6-dye DNA profiling systems SW Lin, C Li and SCY Ip Forensic Sci Int Genet. 33, (2018), 72-83
Ultra-trace determination of sodium fluoroacetate (1080) as monofluoroacetate in milk and milk powder by GC-MS/MS and LC-MS/MS YT Wong, WK Law, SLS Lai, SP Wong, KC Lau and C Ho Analytical Methods 10, (2018), 3514-3524
Laboratory capacity building through the use of metrologically traceable values in proficiency testing programmes Robert Kaarls#, L Mackay#, A Samuel#, DWM Sin, CS Mok, YL Wong and YC Yip Accreditation and Quality Assurance, 22 (2017) 321-334
Food Poisoning Case Studies: Mushroom and Pufferfish Toxin Investigation TC Cheung, WY Chum, WY Ha, PK Chan and TY Law Analysis of Food Toxins and Toxicants, Volume 1, Chapter 8, Wiley Blackwell, 2017
Analysis of Food Toxins and Toxicants YC Wong and RJ Lewis# Analysis of Food Toxins and Toxicants, Volume 1 and 2, Wiley Blackwell, 2017
Risk-based Thinking for Chemical Testing SK Wong Accreditation and Quality Assurance, 22 (2017)103-108
Compatibility of DNA IQ, QIAamp DNA Investigator, and QIAsymphony DNA Investigator with various fingerprint treatments SW Lin, SCY Ip, TT Lam, TF Tan#, WL Yeung# and WM Tam International Journal of Legal Medicine, 131 (2017) 293-301
A selection guide for the new generation 6-dye DNA profiling systems SW Lin, C Li and SCY Ip Forensic Science International: Genetics, 30(2017) 34-42
The occurrence of alcohol/drugs by toxicological examination of selected drivers in Hong Kong WC Cheng and KL Dao Forensic Science International, 275 (2017) 242-253
Calibration of dashboard cameras to reveal frame skipping in video recordings YK Cheng, CN Tam, CH Tao, CN Tsang and KC Poon Proceedings of the 12th International Conference of the Institute of Traffic Accident Investigators (2017), pp. 131-143
An evaluation of the precision of QIAGEN Quantiplex HYres kit as a screening tool on low level touch DNA Evidence SCY Ip and KM Lai European Journal of Forensic Sciences, Apr-Jun 2016, Issue 2, Vol 3, pp 2-7
Calibration of dashboard cameras for speed determination from video recording YK Cheng, KH Wong, CH Tao, YY Tam, CN Tsang and KC Poon Impact (The Journal of the Institute of Traffic Accident Investigators), Winter 2016, Volume 24, No 3, pp.18-25
CCTV Footage used to Link Suspect to Bloody Footwear Impression YK Cheng Journal of Forensic Identification, 2016, 66(6), pp.517-525
Front blind spot crashes in Hong Kong YK Cheng, KH Wong, CH Tao, CN Tam, YY Tam and CN Tsang Forensic Science International 266 (2016) 102-108
A Review on Toxicology : 2014 – 2016 WM Lee, KL Dao, WS Chan, TW Wong, CW Hung, YN Wong, LH Tong, KM Fung, CW Leung Interpol 18th International Forensic Science Managers Symposium
Bias analysis of proficiency testing programme results SK Wong, WY Yao Accreditation and Quality Assurance, 2016,Vol 21,185-189
Review of the new edition of ISO13528 SK Wong Accreditation and Quality Assurance, 2016, Vol 21, 249-254
Use of assigned reference values: Revisiting a small scale inter-laboratory comparison for residual pesticides in tea DWM Sin and YC Wong Accreditation and Quality Assurance, 20 (2015) 491-500
Certification of alpha-endosulfan, beta-endosulfan and endosulfan sulfate in a candidate certified reference material (organochlorine pesticides in tea) by isotope dilution gas chromatography-mass spectrometry DWM Sin, YL Wong, ECC Cheng, MF Lo, Clare Ho, CS Mok and SK Wong Analytical and Bioanalytical Chemistry, 407 (2015), 3009–3021
Validation of pedestrian throw equations by video footage of real life pedestrian/vehicle collisions YK Cheng, KH Wong, CN Tam, YY Tam, TW Wong and CH Tao Forensic science international 257 (2015) 409-412
Development of a validated database for the authentication of fresh/chilled and frozen pork using β-hydroxyacyl-CoA-dehydrogenases (HADH) assay TC Cheung, CC Cheng, HY Chan, SK Tong, PK Chan. FW Lee, YC Wong and DWM Sin International Journal of Food Properties, 18 (2015) 73-80
Phenylboronic Acid Solid Phase Extraction Cleanup and Isotope Dilution Liquid Chromatography-Tandem Mass Spectrometry for the Determination of Florfenicol Amine in Fish Muscles (invited publication) Della WM Sin, Clare Ho and YT Wong Journal of AOAC International, 98 (2015), 556–574
Organising a proficiency testing programm on Chinese handwriting and signature examination in accordance with ISO/IEC 17043 requirements CK Li, LP Chan and SK Wong Journal of the American Society of Questioned Document Examiners, 18(2), 2015, 29–38
An evaluation of the performance of five extraction methods: Chelex® 100, QIAamp® DNA Blood Mini Kit, QIAamp® DNA Investigator Kit, QIAsymphony® DNA Investigator® Kit and DNA IQ™ SCY Ip, SW Lin and KM Lai Science and Justice, 55 (2015), 200–208
Multi-pesticide analysis in sediment by GC-EI-MS/MS using programmable temperature vaporization-large volume injection technique HM Lee and PO Tang Chromatographia, 78 (2015), 695-705
Application of Cross-ratio in Traffic Accident Reconstruction TW Wong, CH Tao, YK Cheng, KH Wong and CN Tam Forensic science international 235 (2014), 19-23
Fast and High Throughput Screening of Amantadine in Chicken Muscle by Extractive Derivatization with Pentafluorobenzoyl Chloride and Gas Chromatography/Negative Ion Chemical Ionization-Tandem Mass Spectrometry C Ho and YT Wong Journal of AOAC International, 97 (2014), 1220-1224
Forensic DNA typing strategy of degraded DNA on discarded cigarette ends using the AmpFℓSTR® Identifiler®, Identifiler® Plus and MiniFiler™ PCR Amplification Kits CY Ip, SW Lin, C Li and KM Lai Science and Justice, 54 (2014) 311-315
Low Velocity Piston Isolator Testing of a Ford Crown Victoria L Ruberte#, S Lantz#, R Thompson#, M Chan#, B Clemmence#, G Dycus#, M Burton#, B Chan#, B Cox# and KH Wong Collision, Volume 9 Issue 2, Fall 2014
A Study of Various Factors Affecting Stamp Identification CM Pang, WS Hui and CK Li Journal of the American Society of Questioned Document Examiners, Inc. Vol.17, No. 2, Dec 2014, 39-48
Single laboratory validation of a method for the determination of vitamin D3 in dietary supplements by liquid chromatography with tandem mass spectrometry (LC-MS/MS) KM Lam, CT Hung, LM Wong, YW Fok and YC Wong Journal AOAC International, 97 (2014) 403-408
Implementation of quality assurance system to enhance reliability in Chinese handwriting examination CK Li and YC Wong Accreditation and Quality Assurance, 19 (2014) 159-167
Achieving Quality Chemical Measurements in Foods YC Wong and M Walker# Practical Food Safety: Contemporary Issues and Future Directions, John Wiley & Sons Ltd., Chapter 7, 99-124, 2014
Protection of the Agri-food Chain by Chemical Analysis – the European context M Walker# and YC Wong Practical Food Safety: Contemporary Issues and Future Directions, John Wiley & Sons Ltd., Chapter 8,125-144, 2014
Recent development in analysis of persistent organic pollutants under the Stockholm Convention PO Tang Trends in Analytical Chemistry, 45 (2013), 48-66
Dietary exposure of the Hong Kong adult population to polybrominated diphenyl ethers (PBDEs): results of the first Hong Kong Total Diet Study MYY Chen#, WWK Wong#, KK Choi, YC Yip, YY Ho# and Y Xiao# Food Additives and Contaminants: Part A, 30 (2013) 1780-1787
Dietary exposure to dioxins and dioxin-like PCBs of Hong Kong adults: results of the first Hong Kong Total Diet Study WWK Wong#, YC Yip, KK Choi, YY Ho# and Y Xiao# Food Additives and Contaminants: Part A, 30 (2013) 2152-2158
Final report on APMP.QM-S5: Essential and toxic elements in seafood L Valiente#, JW Bennett#, R Caciano de Sena#, B Kotzeva#, G Massiff#, J Chao#, J Wang#, R Nasr#, G Labarraque#, E Kakoulidis#, E Lampi#, DWM Sin, CS Mok, SK Wong, YC Yip, SG Aggarwal#, PK Gupta#, Y Zhu#, SI Miyashita#, YH Yim#, O Zakaria#, JVL Manzano#, R Shin#, M Horvat# and C Yafa# Metrologia, 50 (2013) 08004
Performance evaluation of polycyclic aromatic hydrocarbons analysis in sediment from proficiency testing with metrological reference values YT Hon, MY Wan, DWM Sin and YC Wong Analytical and Bioanalytical Chemistry, 405 (2013) 7241-7250
A multinational joint project on the evaluation of pesticide residues analysis in tea in the Asia Pacific Region D Dayarathna#, C Thirimanna#, A Mubarak#, L Mackay#, J Rogerson#, H Tang#, J Feng#, DWM Sin and YC Wong Food Research International, 53 (2013) 931-937
Determination of avilamycin as dichloroisoeverninic acid in poultry and porcine muscles by isotope dilution liquid chromatography-tandem mass spectrometry C Ho and YT Wong Analytical and Bioanalytical Chemistry, 405 (2013) 8633-8643
A single analytical procedure for the simultaneous and confirmatory determination of melamine and related compounds in various food matrices by isotope dilution gas chromatography-mass spectrometry (ID-GC-MS) YL Wong and CS Mok Analytical Methods, 5 (2013) 2305-2314
Toxicology Review 2007-2010 WC Cheng, WS Chan, NL Poon and FC Kwok Interpol's Forensic Science Review 2010, CRC Press Chapter 8 (2013) 248-327
An integrated and validated DNA-based protocol developed to fight against commercial frauds – A case of fraudulent substitutions for deer products DWM Sin, YK Tam, SK Tsui, CS Ng, CS Mok and WY Ha DNA Barcodes, 1, (2013), 27-34
Purity assessment for avoparcin SK Wong and WY Yao Accreditation and Quality Assurance, 18 (2013) 411-420
Development and Application of a Certified Reference Material: Cadmium and Lead in Chinese Medicinal Herb YC Wong, SK Wong and DWM Sin Herbs: Cultivation, Medicinal Uses and Environmental Concerns, Nova Scientific Publishers, Chapter 5 (2012) 85-102
International proficiency test on ketamine and norketamine in hair WM Lee, YK Cheng, TC Cheung, YC Wong and DWM Sin Forensic Science International, 219 (2012) 272-277
A pilot study (APMP.QM-P19) for the measurement of melamine in milk powder DWM Sin, PK Chan, YC Wong, X Li# and QH Zhang# Accreditation and Quality Assurance, 17 (2012) 245-251
Development of a candidate certified reference material of cypermethrin in green tea DWM Sin, PK Chan, TC Cheung, YL Wong, CS Mok, SK Wong and YC Wong Analytica Chimica Acta, 721 (2012) 110-114
Interlaboratory comparison programme on Sudan dyes in chilli powder YC Wong Journal of the Association of Public Analysts, 39 (2012) 13-27
Determination of N-methyl-1,3-propanediamine in bovine muscle by liquid chromatography with triple quadrupole and ion trap tandem mass spectrometry detection C Ho, WO Lee and YT Wong Journal of Chromatography A, 1235 (2012) 103-114
An accurate method for the determination of benzoic acid in curry paste using isotope dilution gas chromatography-mass spectrometry (GC-MS) CY Mak, YL Wong, CS Mok and SM Choi Analytical Methods, 4 (2012), 3674-3678
Response to Proficiency Testing Programme Results SK Wong Lab World Magazine, 2 (2012) 11 -17
International Symposium on "Food and Health: form Measurement Science to Quality and Safety" SK Wong, DWM Sin, R Kaarls#, M Sargent#, XG Chu#, YK Chan#, CW Lam# and K Seta# Accreditation and Quality Assurance, 17 (2012) 557-560
HPLC-MS Qualitative & Quantitative Analysis of Toxic Chinese Medicine Hyoscyami Semen WJ Qi#, SK Wong, CS Ng, CM Lau, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Jouranl of Pharmaceutical Analysis, 32 (2012) 599-602
Development of Melamine Certified Reference Material in Milk Using Two Different Isotope Dilution Mass Spectrometry Techniques WS Chu, YT Hon, CH Cheng, CL Lee, PK Chan, TC Cheung and YC Wong Journal of Chromatography A, 1128 (2011) 6907-6913
Assessment of the chemical and enantiomeric purity of organic reference materials YC Yip, SK Wong and SM Choi Trends in Analytical Chemistry, 30 (2011) 628-640
Evaluation of a proficiency test on cadmium and lead in herbal material using assigned reference value YT Hon, PK Chan, TC Cheung and YC Wong Microchemical Journal, 98 (2011) 44-50
Genetic differentiation between fake abalone and genuine Haliotis species using the forensically informative nucleotide sequencing (FINS) method WY Ha, DG Reid#, WL Kam, YY Lau, WC Sham, SY Tam, DWM Sin and CS Mok Journal of Agricultural and Food Chemistry, 59 (2011), 5195-5203
Determination of closantel and rafoxanide in animal tissues by online anionic mixed-mode solid-phase extraction followed by isotope dilution liquid chromatography tandem mass spectrometry SLS Lai, HS Yeung, WO Lee, C Ho and YT Wong Journal of Separation Science, 34 (2011), 1366-1374
Molecular identification of Lodoicea maldivica (coco de mer) seeds CY Mak and CS Mok Chinese Medicine, 6:34 (2011), 1-5
Purity Assessment for 17b-Estradiol SK Wong, TY Law and YL Wong Accreditation and Quality Assurance, 16 (2011) 245-252
Performance evaluation for proficiency testing with a limited number of participants SK Wong Accreditation and Quality Assurance, 16 (2011) 539-544
Study on quality control method for Venenum Bufonis SK Wong, CM Lau, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Journal of Pharmaceutical Analysis, 31(2011)1027-1030
Characterization of Semen Euphorbiae SK Wong, CM Lau, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Journal of Pharmaceutical Analysis, 31(2011)1304-1307
Characterization of Mylabris, Lytta and Huechys SK Wong, CM Lau, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Journal of Pharmaceutical Analysis, 31(2011)1785-1789
Food Irradiation and its Detection YC Wong, DWM Sin and WY Yao Safety Analysis of Food and Animal Food Origin, CRC Press, Chapter 23, 663-686, 2010
Accurate determination of lead in Chinese herbs using isotope dilution inductively coupled plasma mass spectrometry (ID-ICP-MS) JCW Lam, KK Chan, YC Yip, WF Tong and DWM Sin Food Chemistry, 121 (2010) 552-560
Review of of Recent Techniques for Melamine Analysis in Animal Feed and Milk by Proficiency Test Programs WS Chu, M Chan, TC Cheung and YC Wong Trends in Analytical Chemistry, 29 (2010) 1014-1026
Proficiency Tests for Contaminants in Food and Herbal Medicine in the Asia Pacific Region M Chan, TC Cheung, YL Wong, LS Cheng, WW Wong#, DW Tholen# and YC Wong Trends in Analytical Chemistry, 29 (2010) 562-576
Screening of closantel and rafoxanide in animal muscles by HPLC with fluorescence detection and confirmation using MS HS Yeung, WO Lee and YT Wong Journal of Separation Science, 33 (2010), 206-211
Quantitative Analysis of Closantel and Rafoxanide in Bovine and Ovine Muscles by High-Performance Liquid Chromatography with Fluorescence Detection HS Yeung, WH Ching, SSL Lai, WO Lee and YT Wong Journal of AOAC International, 93 (2010), 1672-1677
Development of a screening method for the detection of analogues of sildenafil and vardenafil by the use of liquid chromatograph coupled with triple quadrupole linear ion trap mass spectrometer CS Ng, TY Law, YK Cheung, PC Ng and KK Choi Analytical Methods, 2010, 2, 890-896
Isotope dilution gas chromatographic/mass spectrometry method for determination of pyrethroids in apple juice SK Wong, KC Yu and CH Lam Analytical and Bioanalytical Chemistry, 396 (2010) 1877-1884
Purity verification and measurement uncertainty SK Wong Accreditation and Quality Assurance, 15 (2010)337-341
Evaluation of the state-of-the-art measurement capabilities for selected PBDEs and decaBB in plastic by the International Intercomparison CCQM-P114 R Zeleny#, S Voorspoels#, M Ricci#, R Becker#, C Jung#, W Bremser#, M Sittidech#, N Panyawathanakit#, WF Wong, SM Choi, KC Lo, WY Yeung , DH Kim#, J Han#, J Ryu#, S Mingwu#, W Chao#, MM Schantz#, KA Lippa# and S Matsuyama# Analytical and Bioanalytical Chemistry, 396 (2010) 1501-1511
Food Irradiation and its Detection YC Wong, DWM Sin and WY Yao Handbook of Seafood and Seafood Products Analysis, CRC Press, Chapter 39, 773-798, 2009
International comparison of the determination of cadmium and lead in herb: The Comité Consultatif pour la Quantité de Matière (CCQM) pilot study CCQM-P97 YC Wong, DWM Sin, YC Yip, L Valiente#, A Toervenyi#, J Wang#, G Labarraque#, P Gupta#, D Soni#, Surmadi#, E Hwang#, C Yafa#, O Cankur#, E Uysalg#, G Turk# and R Huertas# Accreditation and Quality Assurance, 14 (2009) 151-158
Performance assessment for determining malachite green and leucomalachite green in swamp eel (Monopterus albus) muscle using assigned reference values in a proficiency test YC Wong and TC Cheung Food Additives and Contaminants, 26 (2009) 1472-1481
Evaluation of testing capabilities for the determination of melamine in milk through an interlaboratory comparison program during the melamine crisis M Chan, CK Lo, LS Cheng, TC Cheung and YC Wong Food Additives and Contaminants, 26 (2009) 1450-1458
Assessing laboratory performance in intercomparisons for inorganic analysis YC Yip and WF Tong Trends in Analytical Chemistry, 28 (2009) 1276–1294
Commonly Used Methodologies for Inorganic Analysis in International Key Comparisons YC Yip, JCW Lam and WF Tong Trends in Analytical Chemistry, 28 (2009) 214-236
Analysis of Non-fat Soybean Powder for the Mass Fractions of Three Elements: Copper & Zinc by Isotope Dilution ICP-MS and Calcium by ICP-AES YC Yip, KK Chan, Y Cheung, KW Poon and WC Sham
Food Chemistry, 112 (2009) 1065-1071
Improved Method for the Determination of Cyanuric Acid in Animal Feed by GC-MS PO Tang, SL Lai, YH Lai and WO Lee
Chromatographia, 70 (2009), 1405-1410
Determination of Aconitum Alkaloids in Dietary Supplements and Raw Botanical Materials by Liquid Chromatography/UV Detection with Confirmation by Liquid Chromatography/Tandem Chromatography Mass Spectrometry: Collaborative Study SK Wong
Journal of AOAC International, 92 (2009) 111-118
Applicability of Two Commercially Available Kits for Forensic Identification of Saliva Stains BCM Pang and BKK Cheung Journal of Forensic Sciences, 53 (2008) 1117-1122
Preparation of Reference Material for Organochlorine Pesticides in Herbal Matrix
YC Wong, SK Wong and TT Kam
Analytical and Bioanalytical Chemistry, 392 (2008) 1507-1513
Proficiency testing program for the analysis of total arsenic, cadmium and lead in seawater shrimp MF Kong, S Chan and YC Wong Journal of AOAC International, 91 (2008) 858-864
Development of reference material for organochlorine pesticides in a herbal sample YC Wong, S Chan and TT Kam Proceedings of the International Conference on Metrology of Environment, Food and Nutritional Measurements, (2008) 109-112
Applications of Lead Isotope Ratio Measurements YC Yip, JCW Lam and WF Tong Trends in Analytical Chemistry, 27 (2008) 460-480
Revisiting Type-A Uncertainties Relating to the Measurement of Mass Fraction of Lead Using Isotope-dilution Inductively Coupled Plasma Mass Spectrometry: a Way of Improving Measurement Precision and Expanded Uncertainty

JCW Lam, YC Yip and WF Tong Accreditation and Quality Assurance, 13 (2008) 311-319
Application of Isotope Dilution Gas Chromatography-mass Spectrometry in Analysis of Organochlorine Pesticide Residues in Ginseng Root S Chan, MF Kong, YC Wong, SK Wong and WM Sin Journal of Agricultural and Food Chemistry, 55 (2007) 3339-3345
A Rapid and Convenient LC/MS Method Forroutine Identification of Methamphetamine / Dimethylamphetamine and Their Metabolites in Urine

WC Cheng, VKK Mok, KK Chan and AFM Li Forensic Science International, 166 (2007) 1-7
Roadside Detection of Impairment Under the Influence of Ketamine-Evaluation of Ketamine Impairment Symptoms with Reference to its Concentration in Oral Fluid and Urine
WC Cheng, KM Ng, KK Chan, VKK Mok and KL Cheung# Forensic Science International, 170 (2007) 51-58
Determination of 19-norandorsterone in Human Urine by Isotope Dilution Gas-chromatography-high Resolution Mass Spectrometry WC Cheng, TS Yau, WN Cheng, KC Cheng and DWM Sin
Accreditation and Quality Assurance, 12 (2007) 483-490
Enhancement of Difficult-to-capture, Two-dimensional Footwear Impressions Using the Combined Effects of Overhead Lighting and the Perspective Control Lens
WW Chung Journal of Forensic Identification, 57 (2007) 658-671
Towards Metrological Traceability for DNA Fragment Ratios in GM Quantification. 1. Effect of DNA Extraction Methods on the Quantitative Determination of Bt176 Corn by Real-time PCR P Corbisiter#, W Broothaerts#, S Gioria#, H Schimmel#, M Burns#, A Baoutina#, KR Emslie#, S Furui#, Y Kurosawa#, MJ Holden#, HH Kim#, YM Lee#, M Kawaharasaki#, DWM Sin and J Wan# Journal of Agricultural and Food Chemistry, 55 (2007) 3249-3257
Interlaboratory Comparison for the Determination of Five Residual Oragnochlorine Pesticides in Ginseng Root Samples by Gas Chromatography
MF Kong, S Chan, YC Wong, SK Wong and WM Sin
Journal of AOAC International, 90 (2007) 1133-1141
The Application of Capillary Electrophoresis for Enantiomeric Separation of N,N-dimethylamphetamine and its Related Analogs: Intelligence Sudy on N,N-dimethylamphetamine Samples in Crystalline and Tablet Forms WS Lee, MF Chan, WM Tam and MY Hung Forensic Science International, 165 (2007) 71-77
Significance of Sequence of Strokes in Chinese Handwriting Examination CK Li, CT Yang#, NL Poon and WK Fung# Journal of Forensic Sciences 52(2) (2007) 467-472
An International Intercomparison for 19-norandrosterone in Human Urine: the Comité Consultattif Pour La Quantité De Matière (CCQM) Pilot Study CCQM-P68 LG Mackay#, D Burke#, MJ Welch#, S Tai#, C Mussell#, G O'Conner#, DWM Sin and WC Cheng Accreditation and Quality Assurance, 12(9) (2007) 459-464
One-step Generation of Degraded DNA by UV Irradiation BCM Pang and BKK Cheung Analytical Biochemistry, 360 (2007) 163-165
Identification of Human Semenogelin in Membrane Strip Test as an Alternative Method for the Detection of Semen BCM Pang and BKK Cheung Forensic Science International, 169 (2007) 27-31
Double Swab Technique for Collecting Touched Evidence BCM Pang and BKK Cheung Legal Medicine, 9 (2007) 181-184
A Comparison of Performance Statistics for Proficiency Testing Programmes SK Wong Accreditation and Quality Assurance, 12 (2007) 59-66
Determination of Inorganic Arsenic(III) and Arsenic(V) in Water Samples by Ion Chromatography/inductively Coupled Plasma Mass Spectrometry YC Yip, HS Chu, CF Yuen and WC Sham Journal of AOAC International, 90 (2007) 284-290
Applications of collision/reaction Cell Technology in Isotope Dilution Mass Spectrometry YC Yip and WC Sham Trends in Analytical Chemistry, 26 (2007) 727-743
High-throughput Determination of Seven Trace Elements in Food Samples by Inductively Coupled Plasma-Mass Spectrometry KC Chan, YC Yip, HS Chu and WC Sham Journal of Association of Official Analytical Chemists International, 89 (2006) 469-479
Evaluation of Chemical Indicators for Monitoring Freshness of Food and Determination of Volatile Amines in Fish by Headspace Solid-phase Microextraction and Gas Chromatography Mass Spectrometry S Chan, WY Yao, YC Wong, T Wong, CS Mok and DWM Sin European Food Research and Technology, 224 (2006) 67-74
A High-throughput Urinalysis of Abused Rugs Based on a SPE-LC-MS/MS Method Coupled with an In-house Developed Post-analysis Data Treatment System WC Cheng, TS Yau, MK Wong, LP Chan and VKK Mok Forensic Science International, 162 (2006) 95-107
Impurity Profiling of Ecstasy Tablets Seized in Hong Kong by Gas Chromatography-mass Spectrometry YK Cheng, MF Chan, DTW Chan and MY Hung Forensic Science International, 162 (2006) 87-94
Achieving High Accuracy and Precision Using Isotope Dilution Mass Spectrometry in the Determination of p,p-DDE in Fish Oil KW Cheng, CS Ng and WC Chung Shipin Kexue, 27 (2006) 87-91
Determination of Iron in Plant Samples Using Isotope Dilution Inductively Coupled Plasma Mass Spectrometry with a Quadrupole ICP-MS Operated in an He/H2 Cell Mode HS Chu, YC Yip, KC Chan and WC Sham Journal of Analytical Atomic Spectrometry, 21 (2006) 1068-1071
DNA database in Hong Kong Special Administrative Region KM Lai and BKK Cheung Chinese Journal of Forensic Medicine, 21 (2006) 291-293
The International Forensic Summit: Vision and Mission SC Leung Forensic Science International, 162 (2006) 2-5
Identification of Genetically Modified Organisms in HKGL: Qualitative Detection of Transgenic Papaya line 55-1 as an Illustrative Example C Li and DWM Sin Shipin Kexue, 27 (2006) 17-23
Determination of Five Phenolic Antioxidants in Edible Oils: Method Validation and Estimation of Measurement Uncertainty DWM Sin, YC Wong, CY Mak, ST Sze and WY Yao Journal of Food Composition and Analysis, 19 (2006) 784-791
Experience and Insight Through Organization of an Interlaboratory Comparison Programme DWM Sin, YC Wong, SK Wong and S Chan Proceedings of the 6th International Conference on Advances in Metrology, (2006) 183
Application of Pentafluorophenyl Hydrazine on Detecting 2-dodecylcyclobutanone and 2-tetradecylcyclobutanone in Irradiated Chicken, Pork and Mangoes by Gas Chromatography-mass Spectrometry DWM Sin, YC Wong and WY Yao European Food Research Technology, 222 (2006) 674-680
Analysis of γ-irradiated Melon, Pumpkin and Sunflower Seeds by Electron Paramagnetic Resonance Spectroscopy and Gas Chromatography-mass Spectrometry DWM Sin, YC Wong and WY Yao Journal of Agricultural and Food Chemistry, 54 (2006) 7159-7166
High-throughput Screening for Multi-class Veterinary Drug Residues in Animal Muscle Using Liquid Chromatography/Tandem Mass Spectrometry with On-line Solid Phase Extraction HPO Tang, C Ho and SSL Lai Rapid Communications in Mass Spectrometry, 20 (2006) 2565-2572
Fast Screening of Multi-class Veterinary Drug Residues in Animal Muscle by On-line Clean-up Using Column-switching Liquid Chromatography Tandem Mass Spectrometry HPO Tang, C Ho and SSL Lai Shipin Kexue, 27 (2006) 75-81
Alcohol Metabolism of Local Chinese in Hong Kong : A Statistical Determination on the Effects of Various Physiological Factors TWM Tam, CT Yang#, WK Fung# and VKK Mok Forensic Science International, 156 (2006) 95-101
Four X-chromosomal STRs and Their Allele Frequencies in a Chinese Population WM Tang and KY To Forensic Science International, 162 (2006) 64-65
Method for the Determination of Aconitum Alkaloids in Dietary Supplements and Raw Materials by Reversed-phase Liquid Chromatography with Ultraviolet Detection and Confirmation by Tandem Mass Spectrometry: Single-laboratory Validatio WT Tang, SK Wong, TY Law, KC Pang, DWM Sin and YK Tam Journal of Association of Official Analytical Chemists International, 89 (2006) 1496-1514
The Role of Metrology in Chemistry in the Upholding of Public Health and Food Safety in Hong Kon TL Ting, DWM Sin, C Ho and WC Chung Accreditation and Quality Assurance, 11 (2006) 172-174
Detection of Residual Bacitracin A, Colistin A and Colistin B in Milk and Animal Tissues by Liquid Chromatography Tandem Mass Spectrometry ECH Wan, C Ho, DWM Sin and YC Wong Analytical and Bioanalytical Chemistry, 385 (2006) 181-188
Quality Standard for Baijiandan SK Wong, SY Kwan, SK Tsui, TL Ting, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Traditional Patent Medicine, 28 (2006) 31-33
Quality Standard for Guijiu SK Wong, SY Kwan, SK Tsui, TL Ting, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Traditional Patent Medicine, 28 (2006) 342-346
Quality Standard for Euphorbia SK Wong, SY Kwan, SK Tsui, TL Ting, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Traditional Patent Medicine, 28 (2006) 498-503
Quality Standard for Radix Aconiti SK Wong, SY Kwan, SK Tsui, TL Ting, XL Su#, RC Lin#, SW Cheng# and KP Fung# Chinese Traditional Patent Medicine, 28 (2006) 651-655
Quantitative Detection of Genetically Modified Organisms in HKGL: Estimation of Measurement Uncertainty SK Wong, C Li and DWM Sin Shipin Kexue, 27 (2006) 10-12
Allele Frequencies and Haplotypes of 12 Y-STR loci for the Local Chinese Population in Hong Kong SM Yeung, LM Wong, BKK Cheung and KY To Forensic Science International, 162 (2006) 55-63
Determination of Cadmium in Oyster Tissue Using Isotope Dilution Inductively Coupled Plasma Mass Spectrometry: Comparison of Results Obtained in the Standard and He/H2 Cell Modes YC Yip, HS Chu, KC Chan, KK Chan, PY Cheung and WC Sham Analytical and Bioanalytical Chemistry, 386 (2006) 1475-1487
Composition and Sources of Carbonaceous Aerosols at Three Contrasting Sites in Hong Kong M Zheng#, GSW Hagler#, L Ke#, MH Bergin#, F Wang#, PKK Louie#, L Salmon#, DWM Sin, JZ Yu# and JJ Schauer# Journal of Geophysical Research, 111 (2006) D20313
Population Data for the IdentifilerTM 15 STR Loci in Hong Kong Chinese KM Chan, CT Chiu, P Tsui, DM Wong and WK Fung# Forensic Science International, 152 (2005) 307-309
Dimethylamphetamine as Fake "ice" MF Chan, KK Mok, WC Cheng and WS Lee Proceedings of 2nd National Conference on Drug Analysis 2005, Nanning, Guangxi, China, (2005) 135-140
An Epidemiological Study on Alcohol/drugs Related Fatal Traffic Crash Cases of Deceased Drivers in Hong Kong Between 1996 and 2000 JYK Cheng, DTW Chan and VKK Mok Forensic Science International, 153 (2005) 196-201
Comparison of PM2.5 Carbon Measurement Methods in Hong Kong, China JC Chow#, JG Watson#, PKK Louie#, ALW Chen# and DWM Sin Environmental Pollution, 137 (2005) 334-344
Determination of Dimetridazole and Metronidazole in Poultry and Porcine Tissues by Gas Chromatography!Velectron Capture Negative Ionization Mass Spectrometry C Ho, DWM Sin, KM Wong and HPO Tang Analytica Chimica Acta, 530 (2005) 23-31
Individuality of Handwritten Arabic Numerals in Local Population CK Li, NL Poon, WK Fung# and CT Yang# Journal of Forensic Sciences, 50 (2005) 185-191
PM2.5 Chemical Composition in Hong Kong: Urban and Regional Variations PKK Louie#, JC Chow#, ALW Chen#, JG Watson#, G Leung# and DWM Sin Science of The Total Environment, 338 (2005) 267-281
Seasonal Characteristics and Regional Transport of PM2.5 in Hong Kong PKK Louie#, JG Watson#, JC Chow#, ALW Chen#, DWM Sin and AKH Lau# Atmospheric Environment, 39 (2005) 1695-1710
Differentiation of Coloured Inks of Ink-jet Printer Cartridges by Thin Layer Chromatography and High Performance Liquid Chromatography NL Poon, SSH Ho and CK Li Journal of the Forensic Science, 45 (2005) 187-194
Seasonal and Spatial Variation of Solvent Extractable Organic Compounds in Fine Suspended Particulate Matter in Hong Kong DWM Sin, WH Fung, YY Choi, CH Lam, PKK Louie#, JC Chow# and JG Watson# Journal of the Air & Waste Management Association, 55 (2005) 291-301
Analysis of Major Components of Residual Bacitracin and Colistin in Food Samples by Liquid Chromatography Tandem Mass Spectrometry DWM Sin, C Ho, YC Wong, SK Ho and ACB Ip Analytica Chimica Acta, 535 (2005) 23-31
Identification and Stability study of Irradiated Chicken, Pork, Beef, Lamb, Fish and Mollusk Sshells by Electron Paramagnetic Resonance (EPR) Spectroscopy DWM Sin, YC Wong, WY Yao and E Marchioni# European Food Research Technology, 221 (2005) 684-691
Widmark Factors for Local Chinese in Hong Kong: A Statistical Determination on the Effects of Various Physiological Factors TWM Tam, CT Yang#, WK Fung# and KK Mok Forensic Science International, 151 (2005) 23-29
Application of LC-MSMS Technique in Monitoring the Adulteration and Mixing-up of Traditional Chinese Herbal Medicines WT Tang, TY Law, WH Lam, YT Leung, KF Poon, YK Cheung and YK Tam Traditional Chinese Medicine Development and Modern Science and Technology, (2005) 439-446
The Role of Metrology in Chemistry in the Upholding of Public Health and Food Safety in Hong Kong TL Ting, WM Sin, C Ho and WC Chung Law on Metrology of China in 20 Years, (2005) 176-178
Development of Analytical Methods for the Analysis of Chinese Medicine TL Ting, SK Wong, SM Choi, WT Tang and CS Mok Law on Metrology of China in 20 Years, (2005) 171-175
Evaluation of the Use of Consensus Values in Proficiency Testing Programmes SK Wong Accreditation and Quality Assurance, 10 (2005) 409-414
Cannabis with High THC Content TW Wong, MF Chan and YL Cheung Proceedings of 2nd National Conference on Drug Analysis 2005, Nanning, Guangxi, China, (2005) 247-251
Rapid Determination of Ketamine in Urine by Liquid Chromatograph-tandem Mass Spectrometry for a High Throughput Laboratory JYK Cheng and VKK Mok Forensic Science International 142 (2004) 9-15
Examination of Counterfeit Banknotes Printed by All-in-One Color Ink-jet Printers LC Chim, CK Li, NL Poon and SC Leung Journal of American Society of Questioned Document Examiners, Dec 2004
A robust Method for Simultaneous Extraction and Clean-up of Dioxins and Dioxin-like Compounds in Foodstuff WC Chung, HS Chu, CS Ng and SY Wong Organohalogen Compounds, 66 (2004), 67-73
Determination and On-line Clean-up of (Fluoro)quinolones in Bovine Milk Using Column-switching Liquid Chromatography Fluorescence Detection C Ho, DWM Sin, HPO Tang, LPK Chung and SMP Siu Journal of Chromatography A, 1061 (2004) 123-131
Legal Metrology in Toy Testing for Safety FW Lee, YC Yip and WH Fung APEC#204-CT-01.4 Handbook on Traceability in Legal Metrology, Asia-Pacific Economic Cooperation, (March 2004) 47-60
The Differentiation of Colour Laser Printers CK Li, WC Chan, YS Cheng and SC Leung Journal of American Society of Questioned Document Examiners, Dec 2004
Determination of Quinoxaline-2-carboxylic Acid, the Major Metabolite of Carbadox, in Porcine Liver by Isotope Dilution Gas Chromatography!Velectron Capture Negative Ionization Mass Spectrometry DWM Sin, LPK Chung, MMC Lai, SMP Siu and HPO Tang Analytica Chimica Acta, 508 (2004) 147-158
Measurement of Carbonaceous Aerosols: Validation of a Thermal Gravimetric Method and its Comparison with a Thermal Optical Transmittance Method DWM Sin, WH Fung, YY Choi, CH Lam and YC Wong Microchemical Journal, 77 (2004) 63-70
Simultaneous Determination of Lincomycin and Virginiamycin M1 in Swine Muscle, Liver and Kidney by Liquid Chromatography!Velectrospray Ionization Tandem Mass Spectrometry DWM Sin, C Ho, YC Wong, SK Ho and ACB Ip Analytica Chimica Acta, 517 (2004) 39-45
Quantitative Analysis of Lincomycin in Animal Tissues and Bovine Milk by Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry DWM Sin, YC Wong and ACB Ip Journal of Pharmaceutical and Biomedical Analysis, 34 (2004) 651-659
Establishment of Characteristic Fingerprint Chromatogram for the Identification of Chinese Herbal Medicine SK Wong, SK Tsui, SY Kwan, XL Su#, RC Lin#, LM Tang# and JX Chen# Journal of Food and Drug Analysis 12 (2004) 110-114
Methods of Forgery in Counterfeit Travel Documents PK Ng, WS Hui, LC Chim, CK Li and NL Poon Journal of American Society of Questioned Document Examiners, Dec 2004
Germline mutations at 15 STR loci in the Chinese Population WM Tang and MY Law International Congress Series, 1261 (2004) 67-69
Chemical Profiling of 3,4-methyleneidoxymehtamphetamine (MDMA) Tablets Seized in Hong Kong WC Cheng, NL Poon and MF Chan Journal of Forensic Sciences, 48 (2003) 1249-1259
Validity of CO-oximetric Determination of Carboxyhaemoglobin in Putrefying Blood and Body Cavity Fluid CW Lee, CN Tam, LK Kung and LK Yim Forensic Science International, 132 (2003) 153-156
A Preliminary Investigation of Persistent Organic Pollutants in Ambient Air in Hong Kong PKK Louie# and DWM Sin Chemosphere, 52 (2003) 1397-1403
A Simplified Method for Analyzing Dioxins in Foodstuff in Hong Kong CS Ng and WC Chung Organohalogen Compounds, 60 (2003) 346 - 350
A Preliminary Investigation of Persistent Organic Pollutants in Ambient air in Hong Kong DWM Sin and PKK Louie# Chemosphere, 52 (2003) 1397-1403
Analytical Methodologies for Identifying a Polypeptide Antibiotic DWM Sin and YC Wong Trends in Analytical Chemistry, 2003, 22(11), 799-809
Distribution of Polycyclic Aromatic Hydrocarbons in the Atmosphere of Hong Kong DWM Sin, YC Wong, YY Choi, CH Lam and PKK Louie# Journal of Environmental Monitoring, 5 (2003) 989-996
Identification and Characterization of the Chinese Herb Langdu by LC/MS/MS Analysis XL Su#, RC Lin#, SK Wong, SK Tsui and SY Kwan Phytochemical Analysis, 14 (2003) 40-47
Enantiometric Separation of Methamphetamine and Related Analogs by Capillary Zone Electrophoresis: Intelligence Study in Routine Methamphetamine Seizures WC Cheng, WM Lee, MF Chan, P Tsui and KL Dao Journal of Forensic Sciences, 47 (2002) 1248-1252
Sensitive Method for the Determination of 1,3-dichloropropan-2-ol and 3-chloropropane-1,2-diol in Soy Sauce by Capillary Gas Chromatography with Mass Spectrometric Detection WC Chung, KY Hui and SC Cheng Journal of Chromatography A, 952 (2002), 185-192
The Effect of Volatile Residues in Burnt Household Items on the Detection of Fire Accelerants MS Fernandes#, CM Lau and WC Wong Science and Justice, 42 (2002), 7-15
Sample Pretreatment for CO-oximetric Determination of Carboxyhaemoglobin in Purefied blood and Cavity Fluid CW Lee, LK Yim, DTW Chan and JCN Tam Forensic Science International, 126 (2002) 162-166
Highlights from the Regional Particulate Matter Workshop in Hong Kong and Guangzhou, China PKK Louie#, DWM Sin and F Cheung Environmental Manager, 11 (2002) 38-40
Measurement of Carbonaceous Aaerosols: Validation and Comparison of a Solvent Extraction-gas Chromatographic Method and a Thermal Optical Transmittance Method DWM Sin, WH Fung and CH Lam The Analyst, 127 (2002) 614-622
A Study of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans in the Atmosphere of Hong Kong DWM Sin, JYY Choi and PKK Louie# Chemosphere, 47 (2002) 647-653
Assessment of the Air Quality in Indoor Car Parks YC Wong, DWM Sin and LL Yeung# Indoor and Built Environment, 11 (2002) 134 - 145
Determination of Polychlorinated Dibenzo-p-Dioxins and Dibenzo-Furans in Milk by Isotope Dilution High Resolution Gas Chromatography/High Resolution Mass Spectrometry (HRGC/HRMS) Jianqing Zhang#, WC Chung, Jie Jiang#, Guihua Liu# and Liangcheng Li# Chinese Journal of Health Laboratory Technology, 12 (2002) 16-19
Determination of Polychlorinated Dibenzo-p-Dioxins and Dibenzo-Furans in Milk by HRGC/HRMS Jianqing Zhang#, WC Chung, Jie Jiang#, Guihua Liu# and Liangcheng Li# China Public Health, 18 (2002) 356-358
Determination of Polychlorinated Dibenzo-p-Dioxins and Dibenzo-Furans in Pork by Isotope Dilution/High Resolution Gas Chromatography/High Resolution Mass Spectrometry Jianqing Zhang#, WC Chung and DWM Sin Chinese Journal of Analytical Chemistry, 30 (2002) 1481-1485
Application of Chemometrics to Fingerprint Chromatographic Analysis of Chinese Medicine FT Chau#, SK Tsui, SK Wong, F Gong#, TP Chan#, LQ Huang# and YZ Liang# Traditional Chinese Drug Research and Clinical Pharmacology, 12 (2001) 164-169
The Statistical Variability of Blood Alcohol Concentration Measurements in Drink-driving Cases WK Fung#, KL Chan#, VKK Mok, CW Lee and VMF Choi Forensic Science International, 110 (2001) 207-214
Allele Frequencies for Nine STR Loci in Beijing Chinese WK Fung#, J Ye#, L Hu#, X Zhao#, B Liu#, DM Wong and MY Law Forensic Science International, 121 (2001) 207-209
Release of Soluble Arsenic from Realgar in Simulated Gastric Juice SY Kwan, SK Tsui and TO Man Analytical Letters, 34 (2001) 1431-1436
Genetic Polymorphism at Three STR Loci – CSF1PO, HUMTHO1 and TPOX, and the AMP-FLP Locus D1S80 for Chinese Population in Hong Kong MY Law, DM Wong, WK Fung#, KL Chan#, C Li, TS Lun, KM Lai, KY Cheung and CT Chiu Forensic Science International, 115 (2001) 103-105
Trends of Ambient Carbonyl Compounds in the Urban Environment of Hong Kong DWM Sin, YC Wong and PKK Louie# Atmospheric Environment, 35 (2001) 5961-5969
Development of an Analytical Technique and Stability Evaluation of 143 C3-C12 Volatile Organic Compounds in SummaR Canisters by Gas Chromatography-mass Spectrometry DWM Sin, YC Wong, WC Sham and D Wang# The Analyst, 126 (2001) 310-321
Chemical Metrology Programme for the Analysis of Chinese Medicine in the HKSAR Government Laboratory TL Ting, SK Wong, SK Tsui and CS Mok Analytical Sciences, 17 Supplement (2001) i499-501
Population Data for 12 STR Loci in Hong Kong Chinese DM Wong, MY Law, WK Fung#, KL Chan#, C Li, TS Lun, KM Lai, KY Cheung and CT Chiu Journal of Legal Medicine, 114 (2001) 281-284
Determination of Aconitine Alkaloids in Aconitium Plants and Related Proprietary Medicines by LC/MS/MS SK Wong, SK Ho and SK Tsui Chinese Journal of Analytical Chemistry, 29 (2001) 391-395
The Trajectory of Knife-attack - Damage Pattern Analysis on Multi-layered Clothing BKK Cheung and CM Lau Proceedings of the 7th Indo-Pacific Congress in Legal Medicine and Forensic Science, (2001) 179
Manufacture of Pirated Compact Discs in Hong Kong YS Cheng, CK Li and PS Hung Journal of the American Society of Questioned Document Examiners, 4 (2000) 24-30
Contamination in Food from Packaging Material OW Lau and SK Wong Journal of Chromatography A, 882 (2000) 255-270
Monitoring of Ambient Volatile Organic Compounds at Two Urban Sites in Hong Kong from 1997 to 1998 DWM Sin, YC Wong and PKK Louie# Indoor and Built Environment, 9 (2000) 216-227
A Brief Introduction to Chemical Ingredients of Chinese Herbal Medicines SK Tsui and SK Wong Ta Kung Pao, Serial on Science & Technology of Traditional Chinese Medicines, September and October, 2000
Component Analysis of Chinese Proprietary Medicines by Cluster Analysis Technique SK Wong and SY Kwan Chinese New Drug Journal, 9 (2000) 171-173
Determination of Sulphur Dioxide in Chinese Herbal Medicines by Iodine Titration Method SK Wong, SY Kwan and J. Wang# Chinese Traditional and Herbal Drugs, 31 (2000) 97-99
Determination of Preservative Content in Oral Chinese Patent Medicine Preparation by HPLC SK Wong, SY Kwan, J. Wang# and JX Chen# Chinese Traditional Patent Medicine, 22 (2000) 340-342
Identification and Characterization of Podophyllum emodi by API-LC/MS/MS SK Wong, SK Tsui, SY Kwan, XL Su# and RC Lin# Journal of Mass Spectrometry, 35 (2000) 1246-1251
Identification of Podophyllum Species and Radix Clematis and Radix Gentiana by HPLC/UV Fingerprint Analysis XL Su#, RC Lin#, SK Wong, SK Tsui and SY Kwan Chinese Traditional Patent Medicine, 22 (2000) 819-824
Selective Accelerated Solvent Extraction in the Analysis of Polynuclear Aromatic Hydrocarbons and Polychlorinated Biphenyl Congeners in Sediment CS Mok and DWM Sin Chemical Journal of Chinese Universities, 20 (1999) 559
Mass Spectral Search Method Using the Neural Network Approach CS Tong# and KC Cheng Chemometrics and Intelligent Laboratory Systems, 49 (1999) 135-150
The Identification of Credit Card Encoders by Hierarchical Cluster Analysis of the Jitters of Magnetic Stripes SC Leung, WK Fung# and KH Wong Science and Justice, 39 (1999) 231-238
The "Black" Money Scam - A Case Study IJ Wong, CK Li and SC Leung International Journal of Forensic Document Examiners 4(4) 1998 361-364
The Identification of Colour Photocopiers - A Case Study CK Li and SC Leung Journal of American Society of Questioned Document Examiners 1(1) (1998) 8-11
The Method of Removing Methamidophos from Contaminated Vegetables YK Tam and WO Lee Journal of Hygiene Research, 27 (1998) 62-65
Capillary Gas Chromatographic Method for the Determination of Organochlorine and Organophosphate Pesticide Residues in Milk SK Wong Chinese Journal of Analytical Chemistry, 26 (1998) 158-161
GC-MS Identification Study on Radix Angelicae Sinensis and Rhizoma Ligustici Chuanxiong in Traditional Chinese Patent Medicines WC Chung and CP Leung Chinese Traditional Patent Medicine, 19 (1997) 32-34, 53
Survey of Organochlorine Pesticide Residues in Milk in Hong Kong (1993-1995) SK Wong and WO Lee AOAC International, 80 (1997) 1332-1335
Studies of Coprostanol (5β-cholestan-3β-ol) in Environmental Samples by Tandem Mass Spectrometry SM Choi, SY Kwan and CM Wong Microchemical Journal, 53 (1996) 54-64
Determination of Both Parents Using DNA Profiling WK Fung#, DM Wong and P Tsui Jurimetrics: The Journal of Law, Science and Technology, 36 (1996) 337-342
Determination of Methamidophos Residues in Food Remnants WO Lee, LM Law and SK Wong Food Additives and Contaminants, 13 (1996) 687-693
Allele Frequencies of Four VNTR Loci in the Chinese Population in Hong Kong P Tsui and DM Wong Forensic Science International, 79 (1996) 175-185
Metallic Contamination in Oyster and Other Seafood in Hong Kong SY Tam and CS Mok Food Additives and Contaminants, 8 (1996) 333-342
Identification of Rhizoma Corydalis and Radix Angelicae Dahuricae in Yuanhuzhitongpian by Thin Layer Chromatography WC Chung and CP Leung Chinese Traditional Patent Medicine, 17(8) (1995) 13-14
Simple and Rapid Method for Simultaneous Gas Chromatographic Determination of Bitertanol, Metalaxyl, Oxadixyl, Propiconazole, and Triadimefon Residues in Cucumbers WO Lee and SK Wong The Analyst, 120 (1995) 2475-2478
A Rapid Gas Chromatographic Method for the Determination of Methamidophos and Isocarbophos Residues in Vegetables WO Lee and SK Wong Chinese Journal of Analytical Chemistry, 23 (1995) 1371-1375
Determination of Benzhexol hydrochloride and Ethambutol Hydrochloride Tablets by Liquid ChroHatography CK Ma, CS Mok and PK Hon# Analytica Chimica Acta, 314 (1995) 77-85
Determination of Chromium (VI) in River Water Samples by Electrothermal Atomic Absorption Spectrometry YS Fung# and WC Sham The Analyst, 119 (1994) 1029-1032
Monitoring Synthetic Hormone Residues in Food: The Hong Kong Experience WO Lee ASEAN Food Journal, 9 (1994) 13-16
Determination of Morphine and Codeine in Blood and Bile by Gas Chromatography with a Derivatization Procedure HM Lee and CW Lee Journal of Analytical Toxicology, 15 (1991) 182-187
# Non-Government-Laboratory Staff

A Baoutina: National Measurement Institute, Australia

A Krylov: Mendeleyev Research Institute for Metrology, (VINIIM), Russia

A Mubarak: Industrial Technology Institute, Sri Lanka

A Samuel: National Measurement Institute, Australia

A Silva: Laboratorio Tecnológico del Uruguay (LATU), Uruguay

A Stakheev: Russian Metrological Institute of Technical Physics and Radio Engineering (VNIIFTRI), Russia

A Toervenyi: International Atomic Energy Agency

A Windust: National Research Council Canada (NRCC), Canada

AC Gören: TUBITAK National Metrology Institute (TUBITAK UME), Turkey

AKH Lau: Hong Kong University of Science and Technology

ALW Chen: Desert Research Institute, Nevada, USA

B Binici: TUBITAK National Metrology Institute (TUBITAK UME), Turkey

B Chan: Clinical Accident Reconstruction Experts, Seattle, Washington, USA

B Clemmence: Arkansas State Police, Harrison, Arkansas, USA

B Cox: Billy Cox Group Forensic Crash Analysis, Texas, USA

B Kim: Korea Research Institute of Standards and Science (KRISS), Korea

B Kotzeva: Bulgarian Institute of Metrology, National Centre of Metrology, Bulgaria

B Liu: Genetic Laboratory, Institute of Forensic Science Muxidinanli, Beijing, China

BM Muendo: Kenya Bureau of Standards (KEBS), Kenya

C Alexopoulos: Hellenic Institute of Metrology (EXHM), Greece

C Hopley: LGC, United Kingdom

C Jung: BAM Bundesanstalt für Materialforschung und-prüfung, Berlin, Germany

C Mussell: Laboratory of Government Chemist, United Kingdom

C Prawettongsopon: National Institute of Metrology (Thailand) (NIMT), Thailand

C Thirimanna: Industrial Technology Institute, Sri Lanka

C Uribe: National Institute for Quality (INACAL), Peru

C Wei: National Institute of Metrology (NIM), China

C Yafa: National Institute of Metrology, Thailand

CS Tong: Department of Mathematics, Hong Kong Baptist University

CT Yang: Department of Statistics and Actuarial Science, University of Hong Kong

CW Lam: Department of Pathology, University of Hong Kong

D Bohm: Federal Office of Consumer Protection and Food Safety (BVL), Germany

D Burke: National Measurement Institute, Australia

D Dayarathna: Industrial Technology Institute, Sri Lanka

D Soni: National Physical Laboratory India

D Styarini: Research Center for Metrology (RCM-LIPI), Indonesia

D Wang: Air Toxics Section, Analysis and Air Quality Division, Environment Canada, Ottawa, Canada

DG Reid: Department of Zoology, Natural History Museum, London, UK

DH Kim: Korean Research Institute of Standards & Science, Korea

DW Tholen: Asia Pacific Laboratory Accreditation Corporation

E Hwang: Korea Research Institute of Standards and Sciences

E Kakoulidis: Hellenic Metrology Institute (EXHM), Greece

E Lampi: Hellenic Metrology Institute (EXHM), Greece

E Lopushanskaya: Mendeleyev Research Institute for Metrology (VINIIM), Russia

E Marchioni: Faculte de Pharmacie, Universite Louis Pasteur, France

E Uysalg: Tubitak National Metrology Institute

ECP do Rego: National Institute of Metrology (INMETRO), Brazil

F Gong: Hong Kong Polytechnic University

F Wang: School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Alanta, Georgia, USA

FGM Violante: National Institute of Metrology (INMETRO), Brazil

FT Chau: Hong Kong Polytechnic University

G Dycus: Arkansas State Police, Harrison, Arkansas, USA

G Labarraque: Laboratoire National de Métrologie et d'essais, France

G Leung: Desert Research Institute, Nevada, USA

G Massiff: Chemical Metrology Center, Fundacion Chile

G McRae: National Research Council Canada (NRCC), Canada

G O'Conner: Laboratory of Government Chemist, United Kingdom

G Turk: National Institute of Standards and Technology, USA

GM Karau: Kenya Bureau of Standards (KEBS), Kenya

GSW Hagler: School of Civil and Environmental Engineering, Georgia Institute of Technology, USA

Guihua Liu: Shenzhen City Disease Prevention and Control Centre

H Klich: National Institute of Research and Physical Chemical Analysis (INRAP), Tunisia

H Li: National Institute of Metrology (NIM), China

H Lozano: Instituto Nacional de Tecnología Industrial (INTI), Argentina

H Parkes: LGC, United Kingdom

H Schimmel: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements

H Tang: National Institute of Metrology, China

HH Kim: Korea Research Institute of Standards and Science, Republic of Korea

HT Ngô: Vietnam Metrology Institute (VMI), Vietnam

IG Pihillagawa: National Research Council Canada (NRCC), Canada

J Chao: National Institute of Metrology (NIM), China

J Feng: National Institute of Metrology (NIM), China

J Han: Korean Research Institute of Standards & Science, Korea

J Meija: National Research Council Canada (NRCC), Canada

J Murby: National Measurement Institute Australia (NMIA), Australia

J Polzer: Federal Office of Consumer Protection and Food Safety (BVL), Germany

J Raouf: National Institute of Research and Physical Chemical Analysis (INRAP), Tunisia

J Rogerson: National Measurement Institute, Australia

J Ryu: Korean Research Institute of Standards & Science, Korea

J Wan: National Institute of Metrology (NIM), China

J Wang: National Institute of Metrology (NIM), China

J Ye: Genetic Laboratory, Institute of Forensic Science Muxidinanli, Beijing, China

J. Wang: Shanghai Institute for Drug Control, Shanghai, China

JC Chow: Desert Research Institute, Nevada, USA

JE Melanson: National Research Council Canada (NRCC), Canada

JG Watson: Desert Research Institute, Nevada, USA

Jianqing Zhang: Shenzhen City Disease Prevention and Control Centre

Jie Jiang: Shenzhen City Disease Prevention and Control Centre

Jing Wang: National Institute of Metrology (NIM), China

JJ Schauer: Environmental Chemistry and Technology Program, University of Wisconsin, USA

JLH McLaughlin: National Measurement Institute Australia (NMIA), Australia

JLN Fernandes: National Institute of Metrology (INMETRO), Brazil

Juan Wang: Health Sciences Authority (HSA), Singapore

JVL Manzano: Centro Nacional de Metrologia, Mexico

JW Bennett: Australian Nuclear Science and Technology Organisation, Australia

JX Chen: Shanghai Institute for Drug Control, Shanghai, China

JZ Yu: Hong Kong University of Science and Technology

K Hanen: National Institute of Research and Physical Chemical Analysis (INRAP), Tunisia

K Nadeau: National Research Council Canada (NRCC), Canada

K Seta: National Metrology Institute of Japan, Japan

K Shearman: National Institute of Metrology (Thailand) (NIMT), Thailand

KA Lippa: National Institute of Standards and Technology, USA

KL Chan: University of Hong Kong

KL Cheung: Kwai Chung Hospital, Hospital Authority

KP Fung: The Chinese University of Hong Kong, Hong Kong

KR Emslie: National Measurement Institute, Australia

KR Griffiths: National Measurement Institute Australia (NMIA), Australia

L Bergamaschi: Istituto Nazionale di Ricerca Metrologica (INRIM), Italy

L Dong: National Institute of Metrology (NIM), China

L Hu : Genetic Laboratory, Institute of Forensic Science Muxidinanli, Beijing, China

L Johnston: National Measurement Institute Australia (NMIA), Australia

L Ke: School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Alanta, Georgia, USA

L Mackay: National Measurement Institute, Australia

L Ruberte: Biomechanics Research & Consulting, Tempe, Arizona, USA

L Salmon: Environmental Quality Laboratory, California Institute of Technology, Pasadena, California, USA

L Valiente: Instituto Nacional de Tecnologia Industrial, Argentina

L Yang: National Research Council Canada (NRCC), Canada

LG Mackay: National Measurement Institute, Australia

Liangcheng Li: Shenzhen City Disease Prevention and Control Centre

LL Yeung: Hong Kong University of Science and Technology

LM Tang: Shanghai Institute for Drug Control, Shanghai, China

LQ Huang: Institute of Chinese Materia Medica, Beijing, China

LR Miguel: LGC, United Kingdom

M Akgoz: TUBITAK National Metrology Institute (TUBITAK UME), Turkey

M Belyakov: Mendeleyev Research Institute for Metrology (VINIIM), Russia

M Burns: LGC, United Kingdom

M Burton: American Bio Engineers, Las Vegas, Nevada, USA

M Chan: Clinical Accident Reconstruction Experts, Seattle, Washington, USA

M Croft: National Measurement Institute Australia (NMIA), Australia

M Horvat: Jozef Stefan Institute, Department of Environmental Sciences, Slovenia

M Kawaharasaki: National Institute of Advanced Industrial Science and Technology, Japan

M Khan: Designated Reference Institute for Chemical Measurements (DRiCM), Bangladesh

M Milavec: National Institute of Biology, Slovenia

M Pérez-Urquiza: Centro Nacional de Metrología, Mexico

M Puelles: Instituto Nacional de Tecnología Industrial (INTI), Argentina

M Ricci: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Belgium

M Sargent: Laboratory of Government Chemist, UK

M Sittidech: Department of Science Service, Thailand

M Walker: Laboratory of Government Chemist, UK

M Zheng: School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Alanta, Georgia, USA

MH Bergin: School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Alanta, Georgia, USA

MJ Holden: NIST, DNA Measurements Group, United States

MJ Welch: National Institute of Standards and Technology, USA

MM Schantz: National Institute of Standards and Technology, USA

MS Fernandes: MSc Student on Attachment

MYY Chen: Food and Environmental Hygiene Department, Centre for Food Safety

N Chaabene: National Institute of Research and Physical Chemical Analysis (INRAP), Tunisia

N Hatamleh: Instituto Nacional de Tecnología Industrial (INTI), Argentina

N Panyawathanakit: Department of Science Service, Thailand

N Sudsiri: National Institute of Metrology (Thailand) (NIMT), Thailand

O Cankur: Tubitak National Metrology Institute

O Zakaria: National Metrology Laboratory, SIRIM BERHAD, Malaysia

P Corbisiter: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements

P Giannikopoulou: Hellenic Institute of Metrology (EXHM), Greece

P Gupta: National Physical Laboratory India

PK Gupta: CSIR-National Physical Laboratory, India

PK Hon: Chemistry Department, The Chinese University of Hong Kong

PKK Louie: Environmental Protection Department, HKSAR Government

Q Liu: Health Sciences Authority (HSA), Singapore

Q Zhang: National Institute of Metrology (NIM), China

QH Zhang: National Institute of Metrology (NIM), China

R Becker: BAM Bundesanstalt für Materialforschung und-prüfung, Berlin, Germany

R Caciano de Sena: Instituto Nacional de Metrologia, Normalizacaoe Qualidade Industrial, Brazil

R Huertas: Laboratorio Tecnologico de Uruguay

R Jaćimović: Joz̆ef Stefan Institute, Slovenia

R Kaarls: International Committee for Weights & Measures

R Nasr: National Institute for Standards, Egypt

R Shin: Health Sciences Authority (HSA), Singapore

R Thompson: Casteel Accident Reconstruction, El Cajon, California, USA

R Zeleny: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Belgium

RC Lin: National Institute for the Control of Pharmaceutical & Biological Products, Beijing, China

RJ Lewis: Institute of Molecular Bioscience, the University of Queensland, Australia

Robert Kaarls: -

RVP Leal: National Institute of Metrology (INMETRO), Brazil

S Akyurek: TUBITAK National Metrology Institute (TUBITAK UME), Turkey

S Chaieb: National Institute of Research and Physical Chemical Analysis (INRAP), Tunisia

S Furui: National Food Research Institute, Japan

S Gioria: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements

S Lantz: CED Technologies, Oak Brook, Illinois, USA

S Lee: Korea Research Institute of Standards and Science (KRISS), Korea

S Matsuyama: National Institute of Metrology of Japan, Japan

S Mingwu: National Institute of Metrology, China

S Shibayama: National Metrology Institute of Japan, Japan

S Tai: National Institute of Standards and Technology, USA

S Voorspoels: Flemish Institute for Technological Research, Belgium

SG Aggarwal: CSIR-National Physical Laboratory, India

SI Miyashita: National Metrology Institute of Japan, Japan

SLR Ellison: LGC, United Kingdom

Surmadi: Indonesian Institute of Science

SW Cheng: The Chinese University of Hong Kong, Hong Kong

SW Hyung: Korea Research Institute of Standards and Science (KRISS), Korea

SY Baek: Korea Research Institute of Standards and Science (KRISS), Korea

T Lu: Health Sciences Authority (HSA), Singapore

TF Tan: Identification Bureau, Hong Kong Police Force

TL Teo: Health Sciences Authority (HSA), Singapore

TO Okumu: Kenya Bureau of Standards (KEBS), Kenya

TP Chan: Hong Kong Polytechnic University

U Thiengmanee: National Institute of Metrology (Thailand) (NIMT), Thailand

W Bremser: BAM Bundesanstalt für Materialforschung und-prüfung, Berlin, Germany

W Broothaerts: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements

W Chao: National Institute of Metrology, China

W Wollinger: National Institute of Metrology (INMETRO), Brazil

WJ Qi: National Institutes for Food and Drug Control Beijing, China

WK Fung: Department of Statistics and Actuarial Science, University of Hong Kong

WL Yeung: Identification Bureau, Hong Kong Police Force

WW Wong: Hong Kong Laboratory Accreditaion Service

WWK Wong: Food and Environmental Hygiene Department, Centre for Food Safety

X Li: National Institute of Metrology (NIM), China

X Zhao: Genetic Laboratory, Institute of Forensic Science Muxidinanli, Beijing, China

XG Chu: Chinese Academy of Inspection & Quarantine, Beijing, China

XL Su: National Institute for the Control of Pharmaceutical & Biological Products, Beijing, China

Y Gao: National Institute of Metrology (NIM), China

Y Kurosawa: National Food Research Institute, Japan

Y Xiao: Food and Environmental Hygiene Department, Centre for Food Safety

Y Zhu: National Metrology Institute of Japan, Japan

YH Yim: Korean Research Institute of Standards & Science, Korea

YK Chan: Centre for Food & Drug Safety, Chinese University of Hong Kong

YM Lee: Korea Research Institute of Standards and Science, Republic of Korea

YS Fung: Department of Chemistry, The University of Hong Kong

YY Ho: Food and Environmental Hygiene Department, Centre for Food Safety

YZ Liang: Central South University, Changsha, China

Z Mester: National Research Council Canada (NRCC), Canada

Z Sui: National Institute of Metrology (NIM), China