Article pubs.acs.org/est
Properties and Inflammatory Effects of Various Size Fractions of Ambient Particulate Matter from Beijing on A549 and J774A.1 Cells Bin Wang,† Kexin Li,‡ Wenjie Jin,† Yan Lu,† Yuzhong Zhang,† Guofeng Shen,† Rong Wang,† Huizhong Shen,† Wei Li,† Ye Huang,† Yanyan Zhang,† Xilong Wang,† Xiqing Li,† Wenxin Liu,† Hongying Cao,‡ and Shu Tao†,* †
Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R. China ‡ Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, P.R. China ABSTRACT: Particulate matter (PM) is a major ambient air pollutant causing millions of premature deaths each year in China. The toxicity of PM is property and size dependent. In this study, ambient PM samples collected in Beijing were divided into five size fractions with nominal aerodynamic ranges of
