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Guest Comment: Nanoscale Metal-Organic Matter Interactions

机译:嘉宾评论:纳米级的金属有机物相互作用

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摘要

This Focus Issue of Environmental Science Technology, "Nanoscale Metal-Organic Matter Interactions", evolved as a response to recent developments in two areas of the aquatic sciences. First, advances in the study of metal biogeochemistry at the biological interface are improving our understanding of the processes governing the geochemistry and bioavailability of trace metals in aquatic systems. Second, there has been a wave of interest in the reactivity, fate, and transport of nanosized particles. By virtue of their small size and large relative surface area, nanomaterials exhibit different properties and reactivities than do larger size materials of the same composition, and they present new challenges in assessing their environmental and ecological chemistries. In natural waters, the interactions of naturally occurring dissolved organic matter (DOM) with both metals and metal-based nanomaterials are key to understanding the geochemistry, bioavailability, and transport of metals, colloids, and engineered nanoparticles.
机译:环境科学技术的这一重点问题,即“纳米级金属有机物质的相互作用”,是对水科学两个领域的最新发展的回应。首先,在生物界面的金属生物地球化学研究的进展正在增进我们对控制水生系统中痕量金属的地球化学和生物利用度的过程的了解。其次,人们对纳米颗粒的反应性,命运和运输产生了兴趣。由于纳米材料的尺寸小和相对表面积大,因此与具有相同组成的较大尺寸的材料相比,具有不同的性能和反应活性,并且在评估其环境和生态化学方面提出了新的挑战。在天然水中,天然存在的溶解有机物(DOM)与金属和基于金属的纳米材料的相互作用是理解金属,胶体和工程纳米颗粒的地球化学,生物利用度和运输的关键。

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