Characteristics and fate behavior of environmentally persistent free radicals in atmospheric particulate matter

作     者：WANG Xueying CUI Long XUE Yonggang HO Kinfai HUANG Yu 王雪莹;崔龙;薛永刚;何建辉;黄宇

作者机构：State Key Laboratory of Loess and Quaternary GeologyKey Laboratory of Aerosol Chemistry and PhysicsInstitute of Earth EnvironmentChinese Academy of SciencesXi’an 710061China University of Chinese Academy of SciencesBeijing 100049China The Jockey Club School of Public Health and Primary CareThe Chinese University of Hong KongHong KongChina CAS Center for Excellence in Quaternary Science and Global ChangeXi’an 710061China 

出 版 物：《地球环境学报》 (Journal of Earth Environment)

年 卷 期：2024年第15卷第4期

页      面：596-611页

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 

基　　金：国家自然科学基金项目(51878644 41573138) 

主　　题：particulate matter(PM) environmentally persistent free radicals(EPFRs) formation mechanism influencing factors 

摘      要：Background,aim,and scope Environmentally persistent free radicals(EPFRs)have received significant attention due to their longer lifetime and stable existence in various *** strong environmental migration ability of particulate matter allows EPFRs to migrate over long-distance transport,thereby impacting the quality of the local atmospheric ***,EPFRs can also adhere to atmospheric particles and interact with typical gaseous pollutants to affect atmospheric chemical *** can produce some reactive organic species,promoting oxidative stress in the human body,damaging biological macromolecules and ultimately affecting the organism *** are considered as a novel type of pollutant that affects human *** their significance,there are few literatures available on the characteristics and fate behaviors of EPFRs up to ***,supplemental reviews are crucial for providing comprehensive understanding of *** and methods This review summarizes the characteristics of EPFRs in particulate matter,outlines the generation mechanism and influencing factors of EPFRs,and the impacts of EPFRs on environmental quality and organism *** The content of EPFRs in particulate matter ranges from 1017 to 1020 spins∙g−*** to the strong mobility of atmospheric particulate matter,the long-term exposure to high levels of EPFRs may aggravate the impact of particulate matter on human *** interaction between EPFRs and typical gaseous pollutants can alter their fate and influence atmospheric chemical *** are mainly produced by transition metal elements and substituted aromatic hydrocarbons through electron ***,the chemical bond rupture of organic substances through heat treatment or ultraviolet radiation can also produce EPFRs,and heterogeneous reactions are capable producing them as *** production of EPFRs is not only influenced by transition metal elements and precurso