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The aim of this study was to investigate the chemical compositions of chalk dust and examine the adverse effects of fine chalk particle matters (PM 2.5 ) on rat alveolar macrophages (AMs) in vitro. Morphologies and element concentrations of chalk particles were analyzed using quantitative energy-dispersive electron probe X-ray microanalysis (ED-EPMA). The oxidative response of AMs exposed...
The pollution characteristics of ambient fine particulate matter (PM 2.5 ) containing polycyclic aromatic hydrocarbons (PAHs) and nitrated PAHs (NPAHs) in samples collected during a typical winter time period in Taiyuan of China were investigated. The obtained results revealed that the mean mass concentrations of PM 2.5 , ΣPAHs (sum of 16PAHs) and ΣNPAHs (sum of 3NPAHs) on PM 2.5...
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