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Microplastics as an emerging threat to human health: An overview of potential health impacts

Journal of Environmental Management 2025年 387卷 125915页

作者： Luo, Qingxin Tan, Haowen Ye, Mao Jho, Eun Hea Wang, Peng Iqbal, Babar Zhao, Xin Shi, Hui Lu, Hanqiang Li, Guanlin Department of Otorhinolaryngology Affiliated Hospital Jiangsu University Zhenjiang212008 China Jiangsu Key Laboratory of Medical Science and Laboratory Medicine School of Medicine Jiangsu University Zhenjiang212013 China School of Environment and Safety Engineering Jiangsu University Zhenjiang212013 China National Engineering Research Center for Soil Nutrient Management and Pollution Remediation Institute of Soil Science Chinese Academy of Sciences Nanjing210008 China Department of Agricultural and Biological Chemistry Chonnam National University Gwangju61186 Korea Republic of Faculty of Civil Engineering and Mechanics Jiangsu University Zhenjiang212013 China State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing210023 China Jiangsu Collaborative Innovation Centre of Technology and Material of Water Treatment Suzhou University of Science and Technology Suzhou215009 China

Microplastics have emerged as a pervasive environmental pollutant and can infiltrate the human body through ingestion via the digestive tract, inhalation via the respiratory system, and dermal contact, thereby posing significant implications for human health. Recent studies have confirmed the presence of microplastics in human tissues, including the placenta, blood, gastrointestinal tract, lungs, and reproductive organs, raising serious concerns about their potential toxicological effects. Due to the diverse sizes, types, shapes, and surface characteristics of microplastics, the pathways through which they reach various organs and their toxic effects on these organs can vary significantly. Despite growing evidence, the exposure pathways, toxic effects of microplastics on human health, and their underlying mechanisms have not been fully elucidated. This review provides a comprehensive overview of microplastic exposure pathways, their potential health risks, the emerging evidence linking microplastics to diseases, and existing research gaps. Additionally, the present review highlights the risks of microplastics to children's health. Children are particularly at risk due to their frequent hand-to-mouth behaviors, higher ventilation rates relative to body size, and immature biological barriers, all of which enhance their susceptibility to microplastic exposure and toxicity. By providing an integrated overview of microplastic exposure and its health risks, this review seeks to inform the pressing need for multidisciplinary research to elucidate the mechanisms of microplastic toxicity and to develop regulatory frameworks aimed at mitigating microplastic-related hazards. © 2025 Elsevier Ltd

关键词： Pediatrics

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The Effects of Weather Conditions on Economic Growth: Evidence from Global Subnational Economic Output and Income

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SSRN 2024年

作者： Dong, Ethan Tol, Richard S.J. Wang, Jinnan State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Jiangsu Nanjing210023 China Department of Economics Jubilee Building University of Sussex FalmerBN1 9SL United Kingdom School of Business Management and Economics Chinese Academy of Environmental Planning Beijing100043 China College of Environmental and Resource Sciences Zhejiang University Hangzhou310058 China

Previous studies of effects of weather on economic growth used economic output. We instead focus on income, which better reflects living standards. By assembling a database comprising global subnational GDP and GNI per capita data from over 1600 regions across 182 countries, we analyzed the relationship between annual average and intra-annual variability of weather (temperature and precipitation) on output and income. We find that temperature affects the growth of economic output and income rather than their levels. Under current climate conditions, one extra unit increase in temperature decreases GNI per capita and GDP per capita growth by 2.2% and 1.8%, respectively. Precipitation has a more pronounced effect on the growth of income, one extra unit increase in precipitation decreases GNI per capita by 3.8% in wet regions, while the effect of precipitation on the GDP per capita growth is insignificant. The effect of weather variability on economic output and income varies under different prevailing historical climate conditions. Our findings suggest that weather conditions have greater damage to economic activities than previously expected and that income growth is more sensitive to annual average weather than output growth. © 2024, The Authors. All rights reserved.

关键词： Climate change

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Electron Transfer Mechanism at the Interface of Multi-Heme Cytochromes and Metal Oxide

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Advanced Science 2023年第29期10卷 e2302670页

作者： Yu, Sheng-Song Zhang, Xin-Yu Yuan, Shi-Jie Jiang, Shen-Long Zhang, Qun Chen, Jie-Jie Yu, Han-Qing Department of Environmental Science and Engineering University of Science and Technology of China Hefei 230026 China State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and Engineering Tongji University Shanghai 200092 China Department of Chemical Physics University of Science and Technology of China Hefei 230026 China

Electroactive microbial cells have evolved unique extracellular electron transfer to conduct the reactions via redox outer-membrane (OM) proteins. However, the electron transfer mechanism at the interface of OM proteins and nanomaterial remains unclear. In this study, the mechanism for the electron transfer at biological/inorganic interface is investigated by integrating molecular modeling with electrochemical and spectroscopic measurements. For this purpose, a model system composed of OmcA, a typical OM protein, and the hexagonal tungsten trioxide (h-WO₃) with good biocompatibility is selected. The interfacial electron transfer is dependent mainly on the special molecular configuration of OmcA and the microenvironment of the solvent exposed active center. Also, the apparent electron transfer rate can be tuned by site-directed mutagenesis at the axial ligand of the active center. Furthermore, the equilibrium state of the OmcA/h-WO₃ systems suggests that their attachment is attributed to the limited number of residues. The electrochemical analysis of OmcA and its variants reveals that the wild type exhibits the fastest electron transfer rate, and the transient absorption spectroscopy further shows that the axial histidine plays an important role in the interfacial electron transfer process. This study provides a useful approach to promote the site-directed mutagenesis and nanomaterial design for bioelectrocatalytic applications. © 2023 The Authors. Advanced Science published by Wiley-VCH GmbH.

关键词： electrochemically active bacteria electron transfer nanomaterials site-directed mutagenesis

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Optimizing Photocatalytic Performance in an Electrostatic-Photocatalytic Air Purification System Through Integration of Triboelectric Nanogenerator and Tesla Valve

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SSRN 2024年

作者： Li, Xiaoliang Cao, Leo N.Y. Zhang, Ting Fang, Rongkun Ren, Yuqing Chen, Xiangyu Bian, Zhenfeng Li, Hexing MOE Key Laboratory of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional Materials Shanghai Normal University Shanghai China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and Sensor Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing100083 China School of Nanoscience and Technology University of Chinese Academy of Sciences Beijing100049 China Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies Key Laboratory of Urban Stormwater System and Water Environment Beijing University of Civil Engineering and Architecture Beijing100044 China State Key Laboratory of Pollution Control and Resource Reuse College of Environmental Science and Engineering Tongji University Shanghai200092 China Shanghai University of Electric Power Shanghai China

Increasing the collision frequency between gas molecules and photocatalysts can enhance the removal efficiency of volatile organic compounds (VOCs) and particulate matter (PM) in air. In this study, we propose an Electrostatic-Photocatalytic air purification system, containing Tesla valve, triboelectric nanogenerator (TENG), and photocatalysis parts. The incorporation of Ag@ZnO nanorod array (Ag@ZnO-NR) photocatalysts into the internal baffles of the Tesla valve pipeline effectively enhances the collision probability between air pollutant molecules and photocatalysts, and thus facilitating the removal efficiency of pollutants. Additionally, the high-voltage electricity (~9.0 kV) generated by the TENG facilitates the separation of electron-hole pairs in the photocatalyst, leading to increased production of superoxide radicals (O·-2), hydroxyl radicals (·OH), and holes (h+), thereby enhancing the photocatalytic efficiency. In a 1.8 L space system, we achieved an approximately 97% removal efficiency for toluene within 130 minutes and a similar efficiency for formaldehyde (~200 ppm) within 175 minutes. Additionally, the PM2.5 concentration rapidly decreased from 999 μg·m-3 to 42 μg·m-3 within 6 minutes, alongside with a significantly faster pollutant removal rate compared to conventional methods. By integrating Tesla valves, TENG, and photocatalysis, this combined system presents an efficient and promising approach for addressing indoor air pollution, with potential applications across various settings. © 2024, The Authors. All rights reserved.

关键词： Photocatalysis

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Enhanced Degradation of Tetracycline by Tio2@Mxene Synergizing with Peroxydisulfate Under Visible Light Irradiation

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SSRN 2023年

作者： Cai, Li Zhu, Dahai Duan, Jinping Miruka, Andere Clement Liu, Yanan Li, Pan College of Environmental Science and Engineering Donghua University Shanghai201620 China Shanghai Institute of Pollution Control and Ecological Security Shanghai200092 China School of Energy and Materials Shanghai Key Laboratory of Engineering Materials Application and Evaluation Shanghai Polytechnic University Shanghai201209 China School of Chemistry and Material Science Technical University of Kenya Nairobi52428-00200 Kenya School of Environmental Science and Engineering State Key Laboratory of Control and Resource Reuse Tongji University Shanghai200092 China

Photocatalysis and peroxydisulfate (PS) based advanced oxidation techniques are promising technologies in the field of water treatment that can be used to destroy increasingly persistent organic contaminants. The current work used a simple hydrothermal approach to synthesis a catalyst made of composites of TiO2 nanospheres and multi-layer Ti3C2Tx sheets (TiO2@MXene). Tetracycline (TC) was then effectively degraded by the TiO2@MXene material integrated with PS activation (300 mg L−1). Under simulated sunlight (AM 1.5G, P = 2.8 W) irradiation, the combination method dramatically increases TC degradation. Following a 30-minute treatment with 300 mg L−1 TiO2@MXene (wt.10%), the optimal efficiency can reach 100%. As the reactive functional species, holes (h+), SO4-•, •OH, and •O2− dominate the catalytic process. Furthermore, investigation was conducted into significant factors such as catalyst dosage, PS dosage, common anions, and TiO2 loading dosage. The TiO2@MXene material was demonstrated to be a feasible and sustainable strategy worth taking into consideration in the mitigation of emerging water contaminants due to its ease of recovery, stability of surface properties, and recyclability. Furthermore, the proposed degradation mechanism further demonstrated the viability of TiO2@MXene coupled with PS in TC degradation. This, this research presents insights into the design of effective photocatalytic methods coupling PS activation for the efficient degradation of organic pollutants. © 2023, The Authors. All rights reserved.

关键词： Titanium dioxide

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Simultaneous Electrochemical Degradation of Tetracycline and Metronidazole Through a High-Efficiency and Low-Energy-Consumption Advanced Oxidation Process

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SSRN 2022年

作者： Wang, Luyao Liu, Yue Pang, Di Song, Haiou Zhang, Shupeng School of Chemistry and Chemical Engineering Nanjing University of Science and Technology Nanjing210094 China School of Environment Nanjing Normal University Nanjing210097 China State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing210023 China

With the increasing complexity of water environment pollution, it is becoming ever more practical to study the simultaneous removal of multiple pollutants in water. Electrochemical advanced oxidation technology is considered to be one of the most promising green methods for the degradation of organic pollutants. Herein, Ti3+ and oxygen vacancies (VO) self-doped TiO2-x nanotube array electrodes are employed to investigate the simultaneous degradation and an energy consumption assessment for the effective removal of the antibiotics tetracycline (TC) and metronidazole (MNZ). The electrocatalytic performance of the nanotube arrays prepared at different reduction times is significantly different. The electrochemical reduction of TiO2 nanotube arrays for 10 min presents the best degradation performance for TC and MNZ. When a mixed solution of TC and MNZ is simultaneously degraded, the removal rate of TC (50 mg/L) and MNZ (50 mg/L) within 3 h reaches 100%, while the chemical oxygen demand removal rate is 79.12%. The energy consumption is significantly reduced compared to the degradation of a single substance. Simultaneously, the current utilization rate of the electrochemical degradation system is also significantly improved, with a specific energy consumption of only 85.78 kWh/kg and an average current efficiency that can reach 20.16%. © 2022, The Authors. All rights reserved.

关键词： Electrochemical oxidation

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Insights into oxidation of pentachlorophenol (PCP) by low-dose ferrate(VI) catalyzed with α-Fe2O3 nanoparticles

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Journal of Hazardous Materials 2023年第1期458卷

作者： Liu, Boying Wei, Junyan Zhang, Shengnan Shad, Asam Tang, Xiaosheng Allam, Ahmed A. Wang, Zunyao Qu, Ruijuan State Key Laboratory of Pollution Control and Resources Reuse School of the Environment Nanjing University Jiangsu Nanjing210023 China Department of Environmental Sciences Comsats University Abbottabad Campus Islamabad Pakistan Jiangsu Yangtze River Delta Environmental Science and Technology Research Institute Co. Ltd Jiangsu Changzhou213100 China Department of Zoology Faculty of Science Beni-suef University Beni-suef65211 Egypt

In this study, the catalytic performance of α-Fe2O3 nanoparticles (nα-Fe2O3) in the low-dose ferrate (Fe(VI)) system was systematically studied through the degradation of pentachlorophenol (PCP). Based on the established quadratic functions between nα-Fe2O3 amount and observed pseudo first-order rate constant (kobs), two linear correlation equations were offered to predict the optimum catalyst dosage and the maximum kobs at an applied Fe(VI) amount. Moreover, characterization and cycling experiments showed that nα-Fe2O3 has good stability and recyclability. According to the results of reactive species identification and quenching experiment and galvanic oxidation process, the catalytic mechanism was proposed that Fe(III) on the surface of nα-Fe2O3 may react with Fe(VI) to enhance the generation of highly reactive Fe(IV)/Fe(V) species, which rapidly extracted a single electron from PCP molecule for its further reaction. Besides, two possible PCP degradation pathways, i.e., single oxygen transfer mediated hydroxylation and single electron transfer initiated polymerization were proposed. The formation of coupling products that are prone to precipition and separation was largely improved. This study proved that nα-Fe2O3 can effectively catalyze PCP removal at low-dose Fe(VI), which provides some support for the application of Fe(VI) oxidation technology in water treatment in the context of low-carbon emissions. © 2023 Elsevier B.V.

关键词： Nanoparticles

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Non-Rigid Metal–Oxygen Bonding Empowered Nitrate Reduction on Ruthenium Catalysts

SSRN

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SSRN 2024年

作者： Wang, Suwen Zhuang, Zechao Xu, Jiawei Fu, Cheng Qiu, Zhen Feng, Huajun Xiang, Hai Chen, Zuliang Li, Hui Zhang, Lei Li, Yongfu Cai, Yanjiang Ma, Tianyi Yu, Bing State Key Laboratory of Subtropical Silviculture Zhejiang A&F University Hangzhou311300 China Zhejiang A&F University Hangzhou311300 China Department of Chemistry Tsinghua University Beijing100084 China Jiangsu Key Laboratory of Numerical Simulation of Large Scale Complex Systems School of Chemistry and Materials Science Nanjing Normal University Nanjing210023 China Fujian Key Laboratory of Pollution Control and Resource Reuse School of Environmental and Resource Sciences Fujian Normal University Fujian Province Fuzhou350007 China School of Science RMIT University MelbourneVIC3000 Australia Centre for Translational Atomaterials

Electrocatalytic nitrate reduction (NitRR) offers exciting potential for mass production of ammonia (NH3) from renewables. However, the rigidity of metal−ligand bonds in most electrocatalysts renders them unable to survive the structural transformations required for NitRR. Herein, we establish a type of non-rigid metal−oxygen bonds by employing graphene oxide (GO) sheets as a 'micron-scale' ligand for transition metals (TM). Because of being confined to the interfaces between GO and TM, the oxygenated groups in GO can associate with and dissociate from the TM in response to reaction dynamics. As a proof-of-concept demonstration, an electrocatalyst was developed by dispersing nanoscale ruthenium (Ru) on graphene oxide (GO) and utilizing two-dimensional MXene to compensate for the low electrical conductivity of GO. This electrocatalyst exhibits a maximum NH3 yield of over 5 mg cm−2 h−1, with almost 100% current-to-NH3 efficiency, far outperforming the performance of most reported Ru-based materials. What's even more remarkable is the achievement of a record-breaking performance: a 200-hour stable electrolysis with a NH3 yield of 40.2 mg cm−2 h−1, using a membrane electrode reactor. Our experimental and theoretical investigations further reveal the non-rigidity of the Ru–O bonds and how they self-regulate to adapt to diverse intermediates involved in NitRR. This work provides an approach to fabricate a high-performance electrocatalyst featuring reversible and non-rigid metal−oxygen bonds, opening new possibilities for practical nitrate electrolysis. © 2024, The Authors. All rights reserved.

关键词： Electrocatalysis

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Recent advances on electroactive CNT-based membranes for environmental applications:The perfect match of electrochemistry and membrane separation

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Chinese Chemical Letters 2020年第10期31卷 2539-2548页

作者： Yanbiao Liu Fuqiang Liu Ning Ding Xuemei Hu Chensi Shen Fang Li Manhong Huang Zhiwei Wang Wolfgang Sand Chong-Chen Wang Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection College of Environmental Science and EngineeringDonghua UniversityShanghai 201620China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry Beijing Technology and Business UniversityBeijing 100048China State Key Laboratory of Pollution Control and Resource Reuse School of Environmental Science and EngineeringTongji UniversityShanghai 200092China Institute of Biosciences Freiberg University of Mining and TechnologyFreiberg 09599Germany Beijing Key Laboratory of Functional Materials for Building Structure and Environment Remediation Beijing University of Civil Engineering and ArchitectureBeijing 100044China

Global climate change,growing population,and environmental pollution underscore the need for a greater focus on providing advanced water treatment *** electrochemical basedprocesses are becoming promising solutions,they still face challenges owing to mass transport and upscaling which hinder the exploitation of this *** design and reactor configuration are key factors for achieving operational *** electroactive membrane has proven to be a breakthrough technology integrating electrochemistry and membrane separation with an enhanced mass transport by *** this review article,we discuss recent progress in environmental applications of electroactive membranes with particular focus on those composed of carbon nanotubes(CNT)due to their intriguing physicochemical prope *** applications in degradation of refractory contaminants,detoxification and sequestration of toxic heavy metal ions,and membrane fouling alleviations are systematically *** then discuss the existing limitations and opportunities for future *** development of advanced electroactive systems depends on interdisciplinary collaborations in the areas of materials,electrochemistry,membrane development,and environmental sciences.

关键词： Electroactive membranes Carbon nanotubes Organic pollutants Heavy mental ions Antifouling

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Goal-oriented insect farming and processing can alleviate the dilemma faced by the industrialization of insect resources

Circular Agricultural Systems

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Circular Agricultural Systems 2023年第1期3卷 1-8页

作者： Xiaofei Wu Lin Ma Zhaohai Bai Xuan Wang Zengwei Yuan Fen Zhu Key Laboratory of Agricultural Water Resources Hebei Key Laboratory of Soil EcologyCenter for Agricultural Resources ResearchInstitute of Genetic and Developmental BiologyChinese Academy of Science286 Huaizhong RoadShijiazhuang 050021HebeiChina Xiongan Institute of Innovation Chinese Academy of SciencesXiongan 071700HebeiChina State Key Laboratory of Pollution Control and Resource Reuse School of the EnvironmentNanjing UniversityNanjing 210023China Frontiers Science Center for Critical Earth Material Cycling Nanjing UniversityNanjing 210023China Hubei International Scientific and Technological Cooperation Base of Waste Conversion by Insects Huazhong Agricultural UniversityWuhan 430070China

Insects are the most widely distributed and most abundant biological resources on earth,and are as precious a biological resource as plants and *** the increasing population pressure and the serious shortage of food resources,insects as an ideal food substitute have gradually been paid more attention by *** addition to being used as food and feed,the application value of insects in waste treatment,medicine and other aspects(such as ornamental and pollination)has also been widely recognized around the ***,industrialization of insect resources still faces many challenges in terms of acceptability,safety,nutrition and *** argue that insect mass production should be purpose-oriented and targeted *** example,insects used for food and feeding should be safe,tasty and *** used for waste disposal should maximize their survival rate and their conversion rate of the *** insects with medicinal significance,it is necessary to clarify their medicinal active ingredients and related pharmacological mechanism,and to cultivate insect strains with high content of active ingredients by proper induction.A goal-driven development strategy will help to avoid the risk of the insect industry technically and managerially.

关键词： insect resources medicinal

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