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Ms. Deejay Suen Yui MAK
Senior Lecturer
Office: Room 1001A, 10/F, School of Medical and Health Sciences, Ma Kam Chan Memorial Building, 31 Wylie Road, Homantin, Kowloon, Hong Kong
Tel : 3468 6877
Fax: (852) 2783 8635
Deejay Mak is a Senior Lecturer in the School of Medical and Health Sciences, Tung Wah College. Deejay Mak’s research interests include environmental toxicology, mass spectrometry applications in detection of analytes (heavy metals, drugs and their metabolites), as well as fingerprint development and analysis in the field of forensic science.
Author Identifications
ORCID ID: 0000-0001-8501-6770
Ph.D. Student, Department of Applied Biology and Chemical Technology (ABCT), The Hong Kong Polytechnic University
Master of Science (Food Safety and Toxicology), The University of Hong Kong
Bachelor of Science (Hons) in Forensic Science (Chemistry Specialist), University of Toronto, Canada
Teaching Areas:
Applied Chemistry
Chemical skills in Forensic Science
Analytical Chemistry
Techniques in Human Identification
Criminal and Crime Scene Investigation
Biomedical Criminalistics
Physical Evidence Analysis
Research project supervision
Research Interests:
Environmental toxicology
Detection of analytes (heavy metals, drugs and their metabolites)
Mass spectrometry applications
Fingerprint development and analysis
Forensic analysis of trace evidence
Funded Projects (Selected)
Principal Investigator; 2023-2025
"An investigation into chloroxylenol, a popular antimicrobial ingredient in hygiene and disinfection products, in Hong Kong through wastewater analysis”
Faculty Development Scheme (FDS), Competitive Research Funding Schemes for the Local Self-financing Degree Sector 2022/23, UGC.
(Project Reference: UGC/FDS17/P01/22; HK$ 878,823)
Principal Investigator; 2021-2023
“An investigation into the use of fire extinguisher dry powder to develop latent fingerprints”
Faculty Development Scheme (FDS), Competitive Research Funding Schemes for the Local Self-financing Degree Sector 2020/21, UGC.
(Project Reference: UGC/FDS17/P01/20; HK$ 903,770)
Publications (Selected)
Mak S. Y.; Lai K. W. (2022). Preliminary Forensic Study of Hair Morphology and Micrometry of Small-Sized Dog Breeds, International Journal of Scientific Research in Science and Technology. 9(2):170-178.
Yeung W.F.; Yu B.Y.; Yuen J.W.; Ho J.Y.S.; Chung K.F.; Zhang Z.J.; Mak S. Y. ; Suen L.K.; Ho L.M. (2021). Semi-Individualized Acupuncture for Insomnia Disorder and Oxidative Stress: A Randomized, Double-Blind, Sham-Controlled Trial, Nat. Sci. Sleep, 13:1195-1207.
Yuen Y. M.; Mak S. Y.; Chan E. S.; Gohel D.; Ng C. F. (2018). Tumor inhibitory effects of intravesical Ganoderma lucidum instillation in the syngeneic orthotopic MB49/C57 bladder cancer mice model, J Ethnopharmacology, 223:113-121.
Fu K. Y.; Hung K.W.; Yuen Y. F.; Zhou X.P.; Mak S. Y.; Chan C. W.; Cheung H.; Zhang B. R.; Fu W. Y.; Liew F. Y.; Ip Y. Y. (2016). IL-33 ameliorates Alzheimer’s disease-like pathology and cognitive decline, Proc. Natl. Acad. Sci. U. S. A., 113(19):2705-2713.
Community/ Professional Contributions (Selected)
Affiliate, The Chartered Society of Forensic Sciences
Member, Hong Kong Society of Mass Spectrometry (HKSMS)

Tung Wah College Logo
King’s Park Campus
Ma Kam Chan Memorial Building,
31 Wylie Road, Homantin, Hong Kong
Mongkok Campus
Cheung Kung Hai Memorial Building, 90A,
and Cheung Chin Lan Hong Building, 98,
Shantung Street, Mongkok, Hong Kong
Kwai Hing Campus
16/F, Tower 2,
Kowloon Commerce Centre,
51 Kwai Cheong Road,
Kwai Chung, Hong Kong
(852) 3190 6678