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在土壤中工程纳米材料的环境行为和有毒机制
Chaoqi Wang1, Le'an Chen1, Jiake Xu1
1School of Environment & Ecology, Jiangnan University, Wuxi, 214122, China.
Environmental research
|December 4, 2023
概括
土壤中的工程纳米材料 (ENM) 对生态系统和健康构成风险. 本综述详细介绍了ENM的行为,毒性机制和环境影响,强调了对可持续纳米技术发展进行先进风险评估的必要性.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 纳米技术 纳米技术
背景情况:
- 工程纳米材料 (ENM) 越来越多地释放到土壤环境中.
- 积累ENM可以对土壤生态,作物生产和人类健康产生不利影响.
- 目前的研究往往缺乏关于ENM环境风险的全面数据.
研究的目的:
- 审查土壤中ENM的来源,行为和环境影响.
- 阐明ENM对土壤生物和植物的毒性机制.
- 确定ENM风险评估的知识差距和未来研究方向.
主要方法:
- 关于ENM环境命运和影响的研究文献综述.
- 对单次和同时暴露的ENM对土壤生物群的影响的分析.
- 对ENM毒性机制的审查,包括氧化应激和离子释放.
主要成果:
- 在土壤中,ENM会表现出各种各样的行为,而土壤特性则会对其产生影响.
- 毒性机制包括氧化应激,金属离子释放和物理相互作用.
- 同时接触ENM可以导致复杂的关节毒性影响.
结论:
- 需要进一步研究食物链转移,植物生命周期影响和长期同时暴露的毒性.
- 开发快速毒性评估系统和模型至关重要.
- 这一审查为ENM的生态风险评估和环境管理提供了基础.
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