羟基自由基（<sup>•</sup> OH）的环境影响,Chemical Reviews

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羟基自由基（^• OH）的环境影响
Chemical Reviews ( IF 51.4 ) Pub Date : 2015-12-02 00:00:00 , DOI: 10.1021/cr500310b
Sasho Gligorovski ₁ , Rafal Strekowski ₁ , Stephane Barbati ₁ , Davide Vione _{2,

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Affiliation

羟自由基（^• OH）是最强大的氧化剂之一，能够与周围的化学物质（包括有机污染物和抑制剂）发生非选择性和即时的反应。该^• OH自由基在环境（自然水域，大气，星际空间等等），包括生物系统中无所不在^• OH具有免疫力代谢中起重要作用。我们提供了广泛的视角，探讨了羟基自由基在不同环境隔间和实验室系统中的作用，目的是引起人们对这一新出现问题的更多关注。迫切需要对与环境隔室中的羟基自由基化学有关的过程进行进一步的研究。全面了解其来源和汇^• OH自由基，包括其在天然水域和大气中的影响，至关重要，包括在地表水中辐照发色团溶解的有机物产生的方式^•通过不依赖H ₂ O _2的途径进行OH以及评估相对重要性^• OH与许多大气组分的气相与水相反应的关系。此外，考虑到人们在住宅上花费的时间比在外面花费的时间多，因此室内羟基自由基的反应性对健康和福祉的影响是另一个令人关注的新兴研究课题。

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Environmental Implications of Hydroxyl Radicals (•OH)

The hydroxyl radical (^•OH) is one of the most powerful oxidizing agents, able to react unselectively and instantaneously with the surrounding chemicals, including organic pollutants and inhibitors. The ^•OH radicals are omnipresent in the environment (natural waters, atmosphere, interstellar space, etc.), including biological systems where ^•OH has an important role in immunity metabolism. We provide an extensive view on the role of hydroxyl radical in different environmental compartments and in laboratory systems, with the aim of drawing more attention to this emerging issue. Further research on processes related to the hydroxyl radical chemistry in the environmental compartments is highly demanded. A comprehensive understanding of the sources and sinks of ^•OH radicals including their implications in the natural waters and in the atmosphere is of crucial importance, including the way irradiated chromophoric dissolved organic matter in surface waters yields ^•OH through the H₂O₂-independent pathway, and the assessment of the relative importance of gas-phase vs aqueous-phase reactions of ^•OH with many atmospheric components. Moreover, considering the fact that people spend so much more time in dwellings than outside, the impact of the reactivity of indoor hydroxyl radicals on health and well-being is another emerging research topic of great concern.

更新日期：2015-12-02

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