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Magnetic iron oxide nanoparticles:An emerging threat for the environment and human health

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Magnetic iron oxide nanoparticles:An emerging threat for the environment and human health
Magnetic iron oxide nanoparticles(FexOy NPs,mainly Fe3O4 and γ-Fe2O3)are nanomateri-als ubiquitously present in aquatic,terrestrial,and atmospheric environments,with a high prevalence and complex sources.Over the past decade,numerous reports have emerged on the presence of exogenous particles in human body,facilitated by the rapid development of separation and detection methods.The health risk associated with magnetic FexOy NP have garnered escalating attention due to their presence in human blood and brain tissues,especially for their potential association with neurodegenerative diseases like Alzheimer's disease.In this paper,we provide a comprehensive overview of sources,analysis methods,environmental impacts,and health risks of magnetic FexOy NP.Currently,most researches are primarily based on engineered FexOy NP,while reports about magnetic FexOy NP existing in real-world environments are still limited,especially for their occurrence levels in various environmental matrices,environmental transformation behavior,and biotoxic effects.Our study reviews this emerging pollutant,providing insights to address current research defi-ciencies and chart the course for future studies.

Magnetic nanoparticleIron oxideAir pollutantHealth risk Magnetite

Hang Yang、Lin Liu、Zhao Shu、Weican Zhang、Cha Huang、Yanhuan Zhu、Si Li、Weichao Wang、Gang Li、Qinghua Zhang、Qian Liu、Guibin Jiang

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State Key Laboratory of Environmental Chemistry and Ecotoxicology,Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences,Beijing 100085,China

College of Resources and Environment,University of Chinese Academy of Sciences,Beijing 100049,China

School of Environment,Hangzhou Institute for Advanced Study,University of Chinese Academy of Sciences,Hangzhou 310000,China

College of Geography and Environmental Science,Henan University,Kaifeng 475004,China

Institute of Environment and Health,Jianghan University,Wuhan 430056,China

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Magnetic nanoparticle Iron oxide Air pollutant Health risk Magnetite

2025

10.1016/j.jes.2024.04.045

环境科学学报(英文版)
中科院生态环境研究中心

环境科学学报(英文版)

影响因子：0.862
ISSN：1001-0742
年,卷(期)：2025.152(6)