<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Guo, S.</style></author><author><style face="normal" font="default" size="100%">Hu, M.</style></author><author><style face="normal" font="default" size="100%">Y. Lin</style></author><author><style face="normal" font="default" size="100%">Gomez-Hernandez, M.</style></author><author><style face="normal" font="default" size="100%">Zamora, M. L.</style></author><author><style face="normal" font="default" size="100%">Peng, J. F.</style></author><author><style face="normal" font="default" size="100%">Collins, D. R.</style></author><author><style face="normal" font="default" size="100%">Zhang, R. Y.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">OH-Initiated Oxidation of m-Xylene on Black Carbon Aging</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Science &amp; TechnologyEnvironmental Science &amp; Technology</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Environ Sci Technol</style></alt-title><short-title><style face="normal" font="default" size="100%">Environ. Sci. Technol.</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">enhanced light-absorption</style></keyword><keyword><style  face="normal" font="default" size="100%">heterogeneous chemistry</style></keyword><keyword><style  face="normal" font="default" size="100%">mixing state</style></keyword><keyword><style  face="normal" font="default" size="100%">mobility relationship</style></keyword><keyword><style  face="normal" font="default" size="100%">optical-properties</style></keyword><keyword><style  face="normal" font="default" size="100%">particles</style></keyword><keyword><style  face="normal" font="default" size="100%">secondary organic aerosol</style></keyword><keyword><style  face="normal" font="default" size="100%">shock-tube</style></keyword><keyword><style  face="normal" font="default" size="100%">soot aerosol</style></keyword><keyword><style  face="normal" font="default" size="100%">sulfuric-acid</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2016</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Aug 16</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">16</style></number><volume><style face="normal" font="default" size="100%">50</style></volume><pages><style face="normal" font="default" size="100%">8605-8612</style></pages><isbn><style face="normal" font="default" size="100%">0013-936X</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">Laboratory experiments are conducted to investigate aging of size-classified black carbon (BC) particles from OH-initiated oxidation of m-xylene. The variations in the particle size, mass, effective density, morphology, optical properties, hygroscopicity, and activation as cloud condensation nuclei (CCN) are simultaneously measured by a suite of aerosol instruments, when BC particles are exposed to the oxidation products of the OH-m-xylene reactions. The BC aging is governed by the coating thickness (Delta r(ve)), which is correlated to the reaction time and initial concentrations of m-xylene and NOx. For an initial diameter of 100 nm and Delta r(ve) = 44 nm, the particle size and mass increase by a factor of 1.5 and 10.4, respectively, and the effective density increases from 0.43 to 1.45 g cm(-3) due to organic coating and collapsing of the BC core. The BC particles are fully converted from a highly fractal to nearly spherical morphology for Delta r(ve) = 30 nm. The scattering, absorption, and single scattering albedo of BC particles are enhanced accordingly with organic coating. The critical supersaturation for CCN activation is reduced to 0.1% with Delta r(ve) = 44 nm. The results imply that the oxidation of m-xylene exhibits larger impacts in modifying the BC particle properties than those for the OH-initiated oxidation of isoprene and toluene.</style></abstract><accession-num><style face="normal" font="default" size="100%">WOS:000381654600022</style></accession-num><notes><style face="normal" font="default" size="100%">Dt7ghTimes Cited:2Cited References Count:62</style></notes><auth-address><style face="normal" font="default" size="100%">Peking Univ, Coll Environm Sci &amp; Engn, State Key Joint Lab Environm Simulat &amp; Pollut Con, Beijing 100871, Peoples R ChinaTexas A&amp;M Univ, Dept Atmospher Sci, College Stn, TX 77843 USATexas A&amp;M Univ, Dept Chem, College Stn, TX 77843 USA</style></auth-address></record></records></xml>