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Study provides more insight into air pollution mechanisms that cause cardiovascular diseases

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course, fine, ultrafine particles) and gaseous pollutants such as ozone, on vascular function. Here, we provide an updated overview of the impact of particulate and gaseous pollutants on endothelial function from human and animal studies. —Münzel et al.

Pollution 220
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PNNL team finds correlation between reaction mechanism for zeolite SCR catalyst for NOx aftertreatment and bacterial enzyme catalysis

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The finding provides insight into how to make better catalytic converters. Combined FTIR and NMR studies revealed the presence of a side-on nitrosyl species in the zeolite Cu-SSZ-13. This reaction mechanism explains the prior studies—things like why we don’t get nitrous oxide. —Kwak et al. —János Szanyi.

Li-ion 225
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Berkeley study identifies diesel as main source of vehicular secondary organic aerosols

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Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge.

Diesel 281