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Personal profile

Research interests

Dr. Dongxiao Sun's research interest is focused on small molecule analysis in different matrices by HPLC-MS/mass spectrometry as well as drug and carcinogen metabolism and pharmacogenetics study, including samples from cells, tissues, blood, urine, saliva, food, soil and many other sources.

The mass spectrometry systems in Dr. Sun's lab include Waters Acquity UPLC-Sciex 4000 QTRAP, Sciex ExionLC-Sciex QTRAP 6500+ and Sciex ExionLC-Sciex Q TOF 5600.

The Sun lab develops and validates method for each assay, including sample pretreatment, instrument performance and data process. Sample pretreatment includes solid-phase extraction, liquid-liquid extraction, etc., and the small molecules analyzed are in wide varieties, including amino acids, keto acids, steroids, vitamins, neurotransmitters, peptides, different drugs and their metabolites, carcinogens, natural compounds, synthetic compounds and many other biomarkers.

The lab also conducts metabolism pathway studies focused on phase I and phase II enzyme metabolizing of small molecules, especially for pharmacogenetics.

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 2 - Zero Hunger
  • SDG 3 - Good Health and Well-being

Education/Academic qualification

Analytical Chemistry, PhD, The University of Hong Kong


Environmental Engineering, MS, East China University of Science and Technology


Applied Chemistry, BS, East China University of Science and Technology

… → 1991


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