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Group Leader

	Prof. Jian Zhen YU Ph.D. University of North Carolina-Chapel Hill, 1996 M.S. University of Montana, Missoula, 1992 B. Sc. Nanjing University, 1989 Curriculum Vitae	Head and Chair Professor Department of Chemistry, HKUST Chair Professor Division of Environment and Sustainability, HKUST Director Atmospheric Research Center, Guangzhou HKUST Fok Ying Tung Research Institute

Research Assistant Professors

	Dr. CoCo Kezheng LIAO Research Assistant Professor Division of Environment and Sustainability PhD in Chemistry, HKUST, 2023 B.Sc. in Chemistry, Nankai University, 2017 liaokezheng[at]ust.hk	Research Interests Hybrid models combining observation data with source apporotionment results from CTMs Data analysis for atmospheric data using R Applied statistics in atmospheric science

	Dr. Yi CHEN Research Assistant Professor Department of Chemistry PhD in Physical Chemistry, Peking University, 2019 B.Eng. in Material Chemistry, University of Science and Technology Beijing, 2014 atmoschenyi[at]ust.hk	Research Interests Characterization of the molecular information of VOCs and highly oxygenated products in atmospheric reactions Study on kinetics, products, and aerosol formation in the oxidation of various pollutants in both laboratory experiments and field campaigns Detection of gaseous reactive oxygen species generated in the atmospheric oxidation process Analysis of the contributions and influence factors of heterogeneous reaction to aerosol formation in the atmosphere

Postdoctoral Fellows

	Dr. Beryl Wing Sze CHOW Postdoctoral Fellow Department of Chemistry PhD in Chemistry, HKUST, 2022 M.Sc. in Analytical Chemistry, HKUST, 2017 B.Sc. in Chemistry, HKUST, 2013 chowws[at]ust.hk	Research Interests Real-time monitoring of the ambient VOCs at urban and suburban locations in Hong Kong Source identification of VOCs and their origin in Hong Kong during general and episodic events Investigation of relationships between VOCs, NO_x and O₃ formation in different scenarios

	Dr. Cong CAO Postdoctoral Fellow Department of Chemistry PhD in Atmospheric Science, Stony Brook University, 2023 M.Sc. in Environmental Science, CAS, 2018 B.Sc. in Environmental Science, Nanjing University, 2015 cong.cao[at]ust.hk	Research Interests Carbonaceous and nitrogenous aerosol chemistry and instrumentation Aerosol source apportionment Marine nitrogen deposition

	Dr. Rongzhi TANG Postdoctoral Fellow Department of Chemistry PhD in Environmental Science, Peking University, 2020 rongtang[at]ust.hk	Research Interests Indoor air pollution Secondary aerosol formation Molecular identification, sources and health risks of polycylic aromatic compounds

	Dr. Wei CHEN Postdoctoral Fellow Division of Environment and Sustainability PhD in Guangzhou Institute of Geochemistry, CAS, 2024 B.Sc. in Environmental Engineering, China Agricultural University, 2018 envrchenwei[at]ust.hk	Research Interests Elemental composition of ambient organic aerosols and quantitative characterization of organic nitrogen Real-time monitoring of PM₁ chemical composition using AMS/ACSM Aerosol source apportionment and physicochemical properties

Graduate Students

	Yuhuang CHENG PhD Candidate Department of Chemistry B.Sc. in Chemistry, Nanjing University, 2018 ychengbn[at]connect.ust.hk	Research Interests Characterization and quantification of lignin-derived nitro-aromatic compounds Oxidative potential assessment of ambient particulate matter using different acellular assays Mechanisc exploration of oxidative potential generation induced by inhaled ambient particulate matter

	Hanzhe CHEN PhD Candidate Division of Environment and Sustainability B.Sc. in Environmental Science, Xiamen University, 2020 hz.chen[at]connect.ust.hk	Research Interests Chemical composition and health impacts of ambient particulate matter Development and optimization of instruments and analytical methods

	Zijing ZHANG PhD Candidate Division of Environment and Sustainability B.Sc. in Environmental Science, Peking University, 2020 zzhangfi[at]connect.ust.hk	Research Interests Aerosol acidity Sensitivity of PM mass to HNO₃ and NH₃ availability Online and offline particulate nitrate measurements

	Shumin LIANG PhD Student Department of Chemistry MPhil in Chemistry, HKUST, 2023 M.Sc. in Analytical Chemistry, HKUST, 2021 B.Sc. in Applied Chemistry, Jinan University, 2020 sliangam[at]connect.ust.hk	Research Interests Targeted and non-targeted analysis of organic compounds using LC-Orbitrap MS Organosulfates and organonitrogen compounds in ambient aerosols

	Anna Mae VORWERK PhD Student Department of Chemistry M.Sc. in Chemistry, Leipzig University, 2023 B.Sc. in Chemistry, Leipzig University, 2019 amvorwerk[at]connect.ust.hk	Research Interests VOC composition of ambient air Source apportionment based on high-resolution online GC-MS data

	Ziyi WU PhD Student Department of Chemistry B.Sc. in Chemistry, The Chinese University of Hong Kong, 2024 zwudf[at]connect.ust.hk	Research Interests Real-time monitoring of PM_2.5 chemical composition in urban area of Hong Kong using SV-TAG Chemical evolution study of ambient particulate matter

	Kun ZHANG PhD Student Division of Environment and Sustainability M.Sc. in Environmental Science, Tianjin University, 2023 B.Sc. in Environmental Science, Qingdao University of Science and Technology, 2020 kzhangci[at]connect.ust.hk	Research Interests Atmospheric organic nitrogen deposition Simulation of atmospheric organic nitrogen aerosols based on GEOS-CHEM

	Shuoyuan CHEN PhD Student Division of Environment and Sustainability M.Sc. in Environmental Engineering, University of Chinese Academy of Sciences, 2023 B.Sc. in Environmental Science, Shaanxi Normal University, 2020 schenhe[at]connect.ust.hk	Research Interests Analysis of atmospheric data using R

	Wing Hei Marco WONG MPhil Student Department of Chemistry B.Sc. in Chemistry, HKUST, 2023 whmwong[at]connect.ust.hk	Research Interests Observations of dry and wet nitrogen depositions at a coastal site in Hong Kong Development of a separation method for measurement of water-insoluble organic nitrogen in rainwater samples Development of a preconcentration technique for measurement of water-soluble total nitrogen in rainwater samples coupling aerosol nitrogen analyzer

	Ryan LEE MPhil Student Division of Environment and Sustainability B.Sc. in Chemistry, HKUST, 2023 rleead[at]connect.ust.hk	Research Interests Instrumental analysis on carbonaceous species and saccharides in aerosols Chemical characterization and source apportionment of aerosols

	Pak Hiu Patrick NG MPhil Student Division of Environment and Sustainability B.Sc. in Chemistry, HKUST, 2024 phngai[at]connect.ust.hk	Research Interests Long-term monitoring of oxidative potential of PM Chemical characterization and source apportionment of PM_2.5