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CityU study shows improperly discarded surgical masks threaten the marine ecosystem and food chain

Read Link: https://www.cityu.edu.hk/research/stories/2022/01/13/cityu-study-shows-improperly-discarded-surgical-masks-threaten-marine-ecosystem-and-food-chain

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About the PI

Dr. He is interested in characterizing the occurrences, distributions, and transformations of emerging contaminants in the aquatic environments, and how aquatic organisms respond when exposed to these contaminants. In particular, his research combines a variety of chemical and toxicological tools to understand the exposure and toxic mechanism that leads to maladaptive responses in exposed aquatic organisms at the molecular, cellular and organism level. He has keen interests in studying the emerging contaminants in the estuarian and marine environments (e.g., flame retardants, liquid crystal monomers, fluorinated compounds, endocrine disrupting chemicals, etc.). The areas of his expertise in environmental chemistry and aquatic ecotoxicology include target and non-target chemical analysis, endocrine disrupting effects, oxidative stress, developmental toxicology, and reproductive behavior, particularly in analyzing complex environmental mixture and designing toxicity assessment experiment using in vitro cell lines, small model fish and aquatic invertebrates.
Research Interests

Research Interests

Ecotoxicology

Studies the effects of pollutants on living organisms, including toxicity assessment experiments with model organisms.

Environmental Chemistry

Focuses on the distribution, transformation, and fate of chemical substances in the environment, using advanced analytical techniques for the identification and quantification of pollutants.

Environmental Toxicology

Investigates the health effects of chemical substances on living organisms, including mechanisms of toxicity at molecular, cellular, and individual levels.

Aquatic Toxicology

Specializes in evaluating the impact of pollutants in aquatic environments on aquatic life, including changes in behavior, physiology, and reproductive capacity.

Teaching Experience

SEE4004 Environmental Impact Assessment for Sustainable Development, 09/2019 - present

SEE5212/8220 Environmental Pollution: Theory, Measurement and Mitigation, 09/2019 - present

SEE8003 Skills for Scientists: Safety in Research, 09/2021 – present

CityU-Learning Classroom: The Chemicals We Are Discharging into the Environment, 12/2021 - present

Group Members

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Postdoctoral Research Fellow, State Key Laboratory of Marine Pollution, City University of Hong Kong

Dr. Xiaotong XU
(06/2023 – on-going)
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Postdoctoral Research Fellow, School of Energy and Environment, City University of Hong Kong oAwardee of Basic and Applied Basic Research Foundation of Guangdong Youth Fund, 2022

Dr. Huiju LIN
(01/2022 – on-going)
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Postdoctoral Research Fellow, School of Energy and Environment, City University of Hong Kong oAwardee of Basic and Applied Basic Research Foundation of Guangdong Youth Fund, 2022 oProfessor Paul Lam’s Postdoctoral Researcher Output Prize (2023)

Dr. Qianqian JIN
(09/2020 – on-going)
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School of Energy and Environment, City University of Hong Kong

Huixian LI
(09/2023 – ongoing)
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School of Energy and Environment, City University of Hong Kong

Yulin WANG
(01/2023 – ongoing)
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School of Energy and Environment, City University of Hong Kong

Yuting ZHAN
(09/2021 – on-going)
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School of Energy and Environment, City University of Hong Kong Professor Rudolf Wu’s Research Postgraduate Output Prize (2021)

Jiaji SUN
(11/2020 – on-going)
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Department of Chemistry and State Key Laboratory of Marine Pollution, City University of Hong Kong

Danyang TAO
(10/2020 – on-going)
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School of Energy and Environment, City University of Hong Kong

Yichun LU
(09/2020 – on-going)
Waht’s New

Blog & Article

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26Dec

news
手機釋出隨污水排出 港海域發現LCMs毒物

城市大學研究發現,用於製造手機及平板電腦屏幕的液晶顯示器物料液晶單體化合物(LCMs),含有具毒性的電子污染物,恐影響海洋生態,甚至進入人類食物鏈,危害生命。研究更指出,這類原本在手機工廠林立的珠江三角洲流域發現的污染物,近年竟在本港水域出現,更集中昂船洲一帶,懷疑與手機及平板電腦在家居普及,以及LCMs可

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26Dec

news
CityU study shows improperly discarded surgical masks threaten the marine ecosystem and food chain

Surgical masks have been part of essential personal protection during the Covid-19 pandemic. However, the inappropriate disposal of surgical masks can cause serious microplastic pollution, equivalent to seriously polluting more than 54,800 Olympic-sized swimming pools of seawater annually, researche

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26Dec

news
Hong Kong researchers say COVID masks could pollute over 54,000 Olympic pools worth of oceans

Discarded surgical masks which fall into the sea could be releasing microplastics as they degrade, polluting an amount of water equal to 54,800 Olympic-sized swimming pools.Dr He Yuhe at City University's State Key Laboratory of Marine Pollution made the discovery after spotting discarded masks