新兴基乙烯物质的环境发生,生物积累和人类风险:对替代品安全性的洞察
Siting Feng1, Xiaofei Lu2, Kaige Ouyang1
1School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China; Key Laboratory of Environmental Nanotechnology and Health Effects Research, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
像F-53B这样的新型以太-和多醇基物质 (PFAS) 具有很高的环境风险和毒性. 虽然HFPO-DA看起来更安全,但对ADONA和其他替代方案仍然存在知识差距.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 风险评估 风险评估
背景情况:
- 和多醇基物质 (PFAS) 广泛使用,但对生态构成威胁,特别是PFOS和PFOA.
- 新兴的基乙物质 (以太-PFAS) 是作为传统 PFAS 的替代品而开发的.
- 三种代表性的以太-PFASsF-53B,HFPO-DA和ADONA正在获得环境关注.
研究的目的:
- 系统地评估三个新兴的以太-PFASs的环境安全性:F-53B,HFPO-DA和ADONA.
- 评估它们的发生,生物积累和水,土壤,大气,植物,动物和人类的风险.
- 将它们的安全概况与PFAS和PFOA等传统PFAS进行比较.
主要方法:
- 对水,土壤和大气中环境事件数据的系统审查.
- 评估各种生物体中的生物积累和生物放大潜力.
- 对毒性影响和人类健康风险的评估.
- 分析植物的迁移模式和潜在的饮食暴露.
主要成果:
- F-53B在环境中具有很高的流行率和生物积累,在某些方面超过PFOS,具有显著的母婴转移和毒性.
- 虽然HFPO-DA在人类中的检测水平较低,代谢率高于PFOA,但其植物迁移引起了饮食方面的担忧.
- 在全球范围内,ADONA在德国经常被检测到微量水平,研究可用性有限.
- 与PFOS相比,F-53B的风险增加;根据目前的数据,HFPO-DA似乎相对安全.
结论:
- F-53B带来了重大的环境和毒理风险,可能超过传统PFAS的风险.
- HFPO-DA显示出更有利的安全概况,尽管植物迁移需要进一步调查.
- 阿多纳需要更多的研究来了解它的环境命运和风险.
- 关于替代PFAS的安全性,仍然存在大量的知识差距,需要进一步调查.
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