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¡°Oxidative potential of water-soluble matter associated with chromophoric substances in PM_2.5over Xian, China (Î÷°²µØÇøPM_2.5ÖÐÓ뷢ɫÍÅÎïÖÊÏà¹ØµÄË®ÈÜÐÔÎïÖʵÄÑõ»¯Ç±ÄÜ)¡±ÒÔÓлú»¯ºÏÎïÊÇ´óÆøÆøÈܽºÑõ»¯Ç±ÄܵÄÖØÒª¹±Ï×ÕßΪ±³¾°£¬Ê״ᨵÀÁËÖйúÎ÷°²ÊÐPM_2.5ÖÐÓ뷢ɫÍÅÎïÖÊÓйصÄË®ÈÜÐÔÓлúÎïµÄÑõ»¯Ç±ÄÜ¡£±¾ÍŶӶ¨Á¿·ÖÎöÁËË®ÈÜÐÔPM_2.5ÖеĶþÁòËÕÌÇ´¼£¨DTT£©»îÐÔˮƽ£¬ÒÔ¼°DTT»îÐÔÓë¹âÎüÈ¡ºÍÓ«¹âÐÔÖÊÖ®¼äµÄ¹Øϵ¡£½á¹û±íÃ÷£¬DTT»îÐÔÓëÓÐÉ«Ë®ÈÜÐÔÓлúÎïÏÔ×ÅÏà¹Ø£¬ÆäÖдó¼ÒÈ·¶¨ÁËÈýÖÖÎü¹âÎïÖÊ£¨BrC1-3£©ºÍ°ËÖÖÓ«¹âÎïÖÊ£¨C1-8£©¡£½øÒ»²½Ñо¿·¢ÏÖ£¬BrC3ºÍC7¼¸ºõÕ¼¾ÝÁËÓÐÉ«Ë®ÈÜÐÔÓлúÎïµÄËùÓÐDTT»îÐÔ£¬ÇÒ·Ö±ðÒòÆ䳤ÎüÈ¡²¨³¤ºÍÓ«¹â·¢É䲨³¤¶øÓëÆäËû·¢É«ÎïÖÊÓÐÃ÷ÏÔÇø±ð¡£ÕâÒ»·¢ÏÖ½«ÓÐÖúÓÚ¸üºÃµØ˵Ã÷ºÍÀí½âÎü¹âÓлúÆøÈܽº²úÉúÑõ»¯»îÐԵĻúÀí£¬²¢ÎªÍ¨¹ý¹âѧÌØÐÔÀ´Ô¤²âÎü¹âÓлúÆøÈܽºÑõ»¯Ç±Äܵķ½·¨ÌṩÒýµ¼¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.1021/acs.est.9b01976

¡°Characteristics of environmentally persistent free radicals in PM_2.5: Concentrations, species and sources in Xian, Northwestern China (ÖйúÎ÷±±µØÇøPM_2.5Öл·¾³³Ö¾ÃÐÔ×ÔÓÉ»ùµÄÌØÕ÷£ºÅ¨¶È£¬ÖÖÀàºÍÀ´Ô´)¡±Ã÷È·Á˳־ÃÐÔ»·¾³×ÔÓÉ»ù£¨EPFR£©ÊÇÒ»ÀàÐÂÐ͵Ļ·¾³·çÏÕÎïÖÊ£¬¿ÉÒÔÎȶ¨µØ´æÔÚÓÚ´óÆø¿ÅÁ£ÎïÖУ¬²¢¶ÔÈËÀཡ¿µ¹¹³ÉDZÔÚÍþв¡£Ñо¿ÁË2017ÄêÎ÷°²ÊÐPM_2.5ÖÐEPFRµÄŨ¶Èˮƽ¡¢ÖÖÀàÌØÕ÷ºÍÀ´Ô´¡£½á¹û±íÃ÷£¬Î÷°²ÊÐ2017ÄêPM_2.5ÖÐEPFRµÄŨ¶ÈµÄ±ä»¯·¶Î§Îª9.8¡Á10¹¹ÖÁ6.9¡Á10¹⁴spins / m³¡£EPFRµÄ×î¸ßŨ¶È·¢ÉúÔÚ¶¬¼¾£¬×îµÍŨ¶È·¢ÉúÔÚÇï¼¾¡£¸ù¾ÝEPFRsµÄÄêƽ¾ù´óÆøŨ¶È£¬Î÷°²ÊÐÈËÎüÈëµÄEPFRsÁ¿Ï൱ÓÚÿÈËÿÌìÔ¼5Ö§ÏãÑÌ£¬¶øÔÚ·¢ÉúÎíö²µÄ¶¬ÌìÔòÏ൱ÓÚÿÈËÿÌìÔ¼23Ö§ÏãÑÌ¡£×îºó£¬±¾ÍŶӻ¹Ì½Ë÷ÁËPM_2.5ÖÐEPFRµÄÀ´Ô´¡£½á¹û±íÃ÷£¬È¼ÃººÍ½»Í¨ÔËÊä¿ÉÄÜÊÇÎ÷°²PM_2.5ÖÐEPFRµÄÖØÒªÀ´Ô´¡£´ËÍ⣬ÔÚÏļ¾£¬EPFRÓëO₃³ÊÏÔ×ÅÕýÏà¹Ø£¬Õâ±íÃ÷ijЩEPFRÒ²¿ÉÄÜÔ´×Ô¶þ´ÎÉú³É¹ý³Ì¡£ÕâÏîÑо¿Îª½øÒ»²½ÆÀ¹ÀPM_2.5ÖÐEPFRµÄDZÔÚ½¡¿µ·çÏÕÒÔ¼°Öƶ¨ÓÐЧµÄ¿ÕÆøÎÛȾ¿ØÖÆ´ëÊ©ÌṩÁËÖØÒªµÄ»ù´¡Êý¾ÝºÍÖ¤¾Ý¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.1016/j.envpol.2019.01.015

¡°Environmentally persistent free radical (EPFR) formation by visible-light illumination of the organic matter in atmospheric particles (ͨ¹ý¿É¼û¹âÕÕÉä´óÆø¿ÅÁ£ÖеÄÓлúÎïÐγɻ·¾³³Ö¾ÃÐÔ×ÔÓÉ»ù)¡±Ö¤Ã÷Á˶þ´ÎÐγɹý³Ì¿ÉÄÜÊÇ´óÆø¿ÅÁ£ÎïÖÐEPFRµÄÖØÒªÀ´Ô´£¬È»¶øÆäÐγɻúÀí»¹Óдý²ûÃ÷¡£±¾Ñо¿±íÃ÷£¬¶þ´ÎEPFR¿ÉÒÔͨ¹ý¿É¼û¹âÕÕÉä²úÉú¡£ÕâÀàEPFRµÄÊÙÃüÖ»ÓÐ30·ÖÖÓµ½1Ì죬±È´óÆø¿ÅÁ£ÎïÖÐԭʼEPFRµÄÊÙÃü¶ÌµÃ¶à¡£Ñо¿»¹·¢ÏÖ£¬¿ÉÝÍÈ¡µÄÓлúÎï´Ù³ÉÁ˶þ´ÎEPFRµÄÐγɣ¨Ô¼55£¥£©£¬ÀฯֳÖÊÎïÖÊÊǶþ´ÎEPFRµÄÖ÷ҪǰÌåÎï¡£»îÐÔÑõ²¶»ñʵÑé±íÃ÷£¬Ô­Ê¼µÄEPFR¿ÉÄÜÓÐÖúÓÚµ¥Ïß̬ÑõµÄ²úÉú£¬¶øͨ¹ý¹â¼¤·¢²úÉúµÄ¶þ´ÎEPFR¿ÉÄܲ»»á²úÉúµ¥Ïß̬Ñõ»òôÇ»ù¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.1021/acs.est.9b02327

¡°Source apportionment of environmentally persistent free radicals (EPFRs) in PM_2.5over Xian, China (Î÷°²ÊÐPM_2.5Öл·¾³³Ö¾ÃÐÔ×ÔÓÉ»ùEPFRµÄÀ´Ô´·ÖÅä)¡±»ùÓÚ»¯Ñ§·ÖÎöºÍÕý¶¨¾ØÕóÒò×Ó·ÖÎö£¨PMF£©±¨µÀÁËPM_2.5ÖÐEPFRµÄÀ´Ô´¡£±¾ÍŶÓÓÚ2017Äê4ÔÂÖÁ12ÔÂÔÚÎ÷°²ÊÐÊÕ¼¯Ã¿ÈÕPM_2.5Ñù±¾£¬²¢¶ÔEPFRºÍÆäËû»¯Ñ§³É·Ö½øÐж¨Á¿·ÖÎö¡£½ÒʾÁËEPFRµÄÎå¸öÖ÷ÒªÀ´Ô´£ºÑï³¾Ô´¡¢È¼ÃºÔ´¡¢¶þ´ÎÏõËáÑΡ¢¹¤ÒµÅÅ·ÅÔ´ºÍ»ú¶¯³µÅÅ·ÅÔ´¡£È¼ÃºÔ´¡¢»ú¶¯³µÅÅ·ÅÔ´ºÍÑï³¾Ô´ÊÇEPFRµÄÈý´ó¹±Ï×Õߣ¨Õ¼76£¥£©¡£È¼Ãº¶ÔPM_2.5ºÍEPFRÖÁ¹ØÖØÒª¡£´º¼¾£¬ÓÉÓÚɳ³¾±©ÆøÏóʼþµÄ·¢Éú£¬Ñï³¾Ô´¶ÔEPFRµÄ¹±Ï׺ܴ󡣽«PMF½á¹ûÓëÆøÏóÊý¾ÝÏà½áºÏºó·¢ÏÖ£¬Î÷°²ÊÐÖÐÐÄÅŷŵĴóÆøÎÛȾÎï¿ÉÒÔͨ¹ýÄÏ·çÔ˵½²ÉÑùµØµã¡£ÕâЩ½á¹û±íÃ÷ÐèÒª¶ÔEPFRsµÄ¹«¹²½¡¿µÓ°Ïì½øÐнøÒ»²½Ñо¿£¬²¢¿ÉÓÃÓÚ°ïÖúÖƶ¨ÎÛȾÎïÔ´Í·¿ØÖÆ´ëÊ©£¬ÒÔ¼õÉÙEPFRsÔÚPM_2.5ÖдøÀ´µÄDZÔÚ½¡¿µ·çÏÕ¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.1016/j.scitotenv.2019.06.424

¡°Long-life type - The dominant fraction of EPFRs in combustion sources and ambient fine particles in Xian (³¤ÊÙÃüÐÍEPFRÔÚȼÉÕÔ´ºÍÎ÷°²µØÇø»·¾³Ï¸¿ÅÁ£ÎïÖÐÕ¼Ö÷µ¼µØλ)¡±²ûÃ÷ÁË´óÆø¿ÅÁ£ÎïÖг־ÃÐÔ×ÔÓÉ»ùµÄ¡°³Ö¾Ã¡±ÐÔÖÊ¡£±¾ÍŶӻùÓÚ¶Ô´óÁ¿ÑùÆ·ÖÐEPFRµÄ³¤Ê±¼ä²âÁ¿£¬ÏµÍ³µØÆÀ¹ÀÁËȼÉÕÔ´ºÍ»·¾³PM_2.5ÖÐEPFRµÄË¥¼õÌØÐÔ¡£ÕâÏîÑо¿Á¿»¯ÁËPM_2.5²»Í¬À´Ô´ÖоßÓв»Í¬ÊÙÃüµÄEPFR¡£½á¹û±íÃ÷£¬ÔÚȼÉÕÔ´ºÍ»·¾³PM_2.5ÖУ¬EPFR¾ùÒÔ³¤ÊÙÃüÀàÐÍΪÖ÷£¨> 70£¥£©¡£EPFRµÄË¥¼õÌØÐÔ£¨°üÀ¨»·¾³PM_2.5ÖÐEPFRµÄŨ¶ÈºÍgÒò×ÓËæʱ¼äµÄ±ä»¯£©ÓëȼÉÕÔ´ÑùÆ·ÏàËÆ£¬µ«Óë½ðÊôÑõ»¯ÎïºÍ·¼ÌþÏ໥×÷ÓòúÉúµÄEPFRÓÐËù²»Í¬¡£½ðÊôÑõ»¯ÎïºÍ·¼×廯ºÏÎïµÄÏ໥×÷ÓÿÉÄܲúÉú¶ÌÊÙÃüµÄEPFR£¬³¤ÊÙÃüµÄEPFRµÄÐγɻúÀí¿ÉÄܸü¼Ó¸´ÔÓ¡£ÕâÏîÑо¿ÎªÀí½â´óÆø¿ÅÁ£ÎïÖÐEPFRµÄÀ´Ô´ºÍÐγɻúÀíÌṩÁËÖØÒªµÄ»ù´¡³£Ê¶¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.1016/j.atmosenv.2019.117059

¡°Study on the oxidation potential of the water-soluble components of ambient PM_2.5over Xian, China: Pollution levels, source apportionment and transport pathways (Î÷°²Êл·¾³PM_2.5Ë®ÈÜÐÔ×é·ÖµÄÑõ»¯Ç±ÄÜÑо¿£ºÎÛȾˮƽ£¬ÎÛȾԴ·ÖÅäºÍÔËÊä;¾¶)¡±ÒÔ±»ÈÏΪÊǶÔÈËÌåÔì³É²»ÀûÓ°ÏìµÄ´óÆø¿ÅÁ£ÎïÖеĻîÐÔÑõ£¨ROS£©Îª±³¾°£¬²ÉÓÃDTT·½·¨²âÁ¿ÁË2017ÄêÔÚÎ÷°²Êвɼ¯µÄ116¸öÈÕϸ¿ÅÁ£ÎïÑùÆ·ÖеÄROSˮƽ£¬²¢¶Ô´óÆø¿ÅÁ£ÎïÖÐROSµÄÀ´Ô´½øÐж¨Á¿·ÖÎö¡£½á¹û±íÃ÷£¬Î÷°²ÊÐROS²úÉúˮƽ×î¸ßˮƽ·¢ÉúÔÚ¶¬¼¾£¬Æä´ÎÊÇ´º¼¾£¬Ïļ¾ºÍÇï¼¾¡£PMFµÄÔ´½âÎö½á¹ûÏÔʾ£¬PM_2.5ÖÐROSÖ÷Òª¹±Ï×Ô´À´×Ô»ú¶¯³µÅÅ·ÅÎï¡¢¶þ´ÎÁòËáÑκÍȼúԴ¡£ºóÏò¹ì¼£¾ÛÀà·ÖÎö±íÃ÷£¬Ö÷ÒªµÄ¾ÛÀàȺÊDZ¾µØºÍÇøÓòÔËÊ䣬¶øÎ÷°²ÉÏ¿ÕPM_2.5µÄÑõ»¯Ç±ÄÜÊÜÔ¶³ÌÔËÊäµÄÓ°Ïì´óÓÚÊܱ¾µØÔËÊäµÄÓ°Ïì¡£ÈçÉÏËùÊö£¬Ìá¸ß´óÆøÑõ»¯Ç±Á¦²»½öÐèÒªÇøÓòÐÔŬÁ¦£¬»¹ÐèÒª´ó¹æÄ£µÄÁªºÏºÏ×÷¡£´ËÍ⣬ÕâÏî¹ØÓÚ´óÆø¿ÅÁ£ÎïµÄÑõ»¯Ç±ÄܵÄÑо¿ÒÔ¼°¾ßÌåµÄÀ´Ô´ÐÅϢΪ½¡¿µÐ§Ó¦Ñо¿ÌṩÁËÖØÒªµÄÒýµ¼¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.1016/j.envint.2020.105515

¡°Size-resolved exposure risk of persistent free radicals (PFRs) in atmospheric aerosols and their potential sources (´óÆøÆøÈܽºÖв»Í¬Á£¾¶µÄ³Ö¾ÃÐÔ×ÔÓÉ»ùµÄ±©Â¶·çÏÕ¼°ÆäDZÔÚÀ´Ô´)¡±±¨¸æÁËÖйúµäÐ͵Äȼú³ÇÊÐÁÙ·ÚÊв»Í¬Á£¾¶£¨<10 ?m£©µÄ´óÆø¿ÅÁ£ÎïµÄ±©Â¶·çÏÕºÍEPFRµÄÀ´Ô´¡£ÔÚ¶¬¼¾ºÍÏļ¾£¬Ï¸¿ÅÁ££¨<2.1 ?m£©ÖеÄEPFRsÀàÐÍÓë´Ö¿ÅÁ££¨2.1-10 ?m£©ÖеÄEPFRÀàÐͲ»Í¬¡£µ«ÊÇ£¬ÔÚÏļ¾£¬´Ö¿ÅÁ£ÖеÄEPFRŨ¶È¸ßÓÚϸ¿ÅÁ££¬¶ø¶¬¼¾ÔòÏà·´¡£ÔÚÁ½¸ö¼¾½ÚÖУ¬È¼ÉÕÔ´¶¼ÊÇEPFRµÄÖ÷ÒªÀ´Ô´£¬¶¬¼¾ÊÇú̿ȼÉÕµÄÖ÷ÒªÀ´Ô´£¬¶øÏļ¾ÔòÊÇÆäËûȼÁϵÄÖ÷ÒªÀ´Ô´¡£Ñо¿·¢ÏÖ£¬ÉϺôÎüµÀÊÇËùÑо¿µÄÆøÈܽºÖб©Â¶ÓÚEPFRµÄ·çÏÕ×î¸ßµÄÇøÓò£¬Æ䱩¶Á¿Ï൱ÓÚÿÈËÿÌìÔ¼21Ö§ÏãÑÌ¡£·ÎÅݱ©Â¶ÓÚEPFRÖÐÏ൱ÓÚÿÈËÿÌì8Ö§ÏãÑÌ¡£ÕâÏîÑо¿ÓÐÖúÓÚ´ó¼Ò¸üºÃµØÁ˽ⲻͬÁ£¾¶µÄ´óÆø¿ÅÁ£ÎïµÄDZÔÚ½¡¿µ·çÏÕ¡£È«ÎÄÁ´½Ó£ºhttps://doi.org/10.5194/acp-2020-141

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Chen, Q.*; Wang, M.; Wang, Y.; Zhang, L.; Li, Y.; Han, Y. Oxidative potential of water-soluble matter associated with chromophoric substances in PM_2.5over Xian, China. Environmental Science and Technology.2019, 53(15), 8574-8584.

Chen, Q.*; Sun, H.; Mu, Z.; Wang, Y.; Li, Y.; Zhang, L.; Wang, M.; Zhang, Z. Characteristics of environmentally persistent free radicals in PM_2.5: Concentrations, species and sources in Xian, Northwestern China. Environmental Pollution.2019, 247, 18-26.

Chen, Q.*; Sun, H.; Wang, M.; Wang, Y.; Zhang, L.; Han, Y. Environmentally persistent free radical (EPFR) formation by visible-light illumination of the organic matter in atmospheric particles. Environmental Science and Technology.2019, 53(17), 10053-10061.

Wang, Y.; Li, S.; Wang, M.; Sun, H.; Mu, Z.; Zhang, L.; Li, Y.;Chen, Q.*Source apportionment of environmentally persistent free radicals (EPFRs) in PM_2.5over Xian, China. Science of the Total Environment.2019, 689, 193-202.

Chen, Q.*; Sun, H.; Wang, J.; Shan, M.; Yang, X.; Deng, M.; Wang, Y.; Zhang, L. Long-life type - The dominant fraction of EPFRs in combustion sources and ambient fine particles in Xian. Atmospheric Environment.2019, 219, 11705-11709.

Wang, Y.; Wang, M.; Li, S.; Sun, H.; Mu, Z.; Zhang, L.; Li, Y.;Chen, Q*. Study on the oxidation potential of the water-soluble components of ambient PM_2.5over Xian, China: Pollution levels, source apportionment and transport pathways. Environment International.2020, 136, 105515-105525.

Chen, Q.*; Sun, H.;Song,W.;Cao,F.;Tian,C.; Zhang,Y. Size-resolved exposure risk of persistent free radicals (PFRs) in atmospheric aerosols and their potential sources. Atmospheric Chemistry and Physics.2020,20, 14407-14417.

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