Bin Huang

Kunming University of Science and Technology

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Xuejun Pan

Kunming University of Science and Technology

Zhixiang Xu

Kunming University of Science and Technology

Huan He

Kunming University of Science and Technology

Xiaomin Ren

Kunming University of Science and Technology

Zhicheng Liao

Kunming University of Science and Technology

Jingliang Liu

Nanjing Xiaozhuang University

Ziwei Guo

Kyushu University

Chaochao Lai

Kunming University of Science and Technology

Xianyao Zheng

Ocean University of China

Xiaoxia Yang

University of Chinese Academy of Sciences

Cooperative Institutions

Kunming University of Science and Technology

103

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Peking University

China University of Geosciences

Qingdao Agricultural University

Zhejiang University

Central South University

Kunming University

Ministry of Agriculture and Rural Affairs

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Algal Organic Matter Accelerates the Photodegradation of Tetracycline: Mechanisms, Degradation Pathways and Product Toxicity

Zhixiang Xu Yue Jia Xuanhe Zhang Siyuan Hu Yu Luo

Algae are ubiquitous in eutrophic surface waters and they play important roles in the sunlight-driven transformation of environmental contaminants. The present study investigated their role in the photodegradation of tetracycline. The results showed that algal organic matter, both extracellular and intracellular promote tetracycline photodegradation, but in different ways and performances. Extracellular organic matter exerts greater photolysis effectiveness than intracellular ones with logarithmic phase organic matter more effective than that from the algae's declining growth phase. The difference is related to the different chemical constituents and structures of extracellular and intracellular organic matter. Scavenger experiments demonstrate that triplet-state organics from algae contribute the most to tetracycline degradation (30 to 49%), followed by •OH (up to 11%) and 1O2 (up to 10%). The photolytic intermediates show increasing toxicity to Photobacterium phosphoreum at first which then decreases with longer irradiation. These results provide comprehensive insight into the transport and environmental behavior of antibiotics in a eutrophic aqueous environment.

Photodegradation

Degradation

10.2139/ssrn.4385549

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Citations (2)

Distribution and bioaccumulation of steroidal and phenolic endocrine disrupting chemicals in wild fish species from Dianchi Lake, China

Environmental Pollution (2011)

Jingliang Liu Renmin Wang Bin Huang Chan Lin Yu Wang

10.1016/j.envpol.2011.05.013

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Citations (135)

Neoproterozoic geodynamics of South China and implications on the Rodinia configuration: The Kunyang Group revisited

Precambrian Research (2021)

Li Sun Wei Wang Gui‐Mei Lu Er‐Kun Xue Si‐Fang Huang

Rodinia

Supercontinent

Continental Margin

Paleocurrent

Continental arc

Passive margin

Orogeny

Flood basalt

10.1016/j.precamres.2021.106338

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Citations (18)

Forest resource asset management information system′s software architecture under network

Fujian linxueyuan xuebao (2008)

Peng Zheng Bin Huang

On the basis of present domestic forest resource asset information management reform and the development of software architecture,investigaed the software architecture of forest resource asset management information system(FRAMIS) under the networkFigure environment,and proposed new software architecture of FRAMIS based on C/S and B/S mixed structure,in order to promote the network information management of forest resource assets.

Resource Management

Resource Management System

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Early-warning Research on the Ethical Risks After Swap of Debt to Equity

Huazhong Nongye Daxue xuebao (2006)

Lei Shen Bin Huang

After swapping the debt to equity,the AMC have been faced with the ethical risks,which came from many ways.This paper analyses the reasons and shifting mechanism of the ethical risks,and brings out how to utilize the early-warning model to establish a framework of the early-warning system of ethical risks after swap of debt to equity.It can be used under the actual circumstance for preventing the state-owned assets from running off.

Equity

Early warning system

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Photoaging Mechanisms of Microplastics Mediated by Dissolved Organic Matter in an Iron-Rich Aquatic Environment

SSRN Electronic Journal (2022)

Huan He Kunqian Liu Ziwei Guo Fan Li Zhicheng Liao

As emerging pollutants, microplastics (MPs) have aroused worldwide concerns due to their ubiquitous distribution, environmental persistence, and potential ecological risks. However, the aging mechanisms, environmental behaviors and risks of the photoaged MPs mediated by environmental factors remain obscure. Herein, systems containing the light source, humic acid (HA) and Fe were established to investigate the natural photoaging process of MPs including polyvinyl chloride (PVC) and polyethylene terephthalate (PET). The dehydrochlorination reaction of PVC-MP was inhibited by HA and Fe, which was resulted from the co-effect of photon competition, excited state quenching, radical deactivation or transformation, and defect structure destruction. In contrast, the enhanced fluorescence effect suggested that the photo-oxidation reactions of PET-MP were promoted by HA and Fe. Therefore, the presence of HA and Fe in the environment inhibited the photo-reduction of MPs while favored the photo-oxidative process. Additionally, the adsorption capacity and cytotoxicity of MPs were increased after age in the hv+HA and hv+HA+Fe systems, which was attributed to the changes in morphology, elements and functional groups. This study provided new insight into the aging behaviors of MPs in the natural environment with the widespread dissolved organic matter and Fe.

Photoaging

10.2139/ssrn.4192380

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Synergetic pyrolysis mechanism of typical organic components of sewage sludge in the presence of CaO: Lipids, proteins, and polysaccharides

Fuel (2024)

Changkai Wang Xiaoxia Yang Butera Hassan Chao Yu Huan He

Sewage sludge

10.1016/j.fuel.2024.133213

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The modulatory role of low concentrations of bisphenol A on tamoxifen-induced proliferation and apoptosis in breast cancer cells