Laboratory evaluation of a microfluidic electrochemical sensor for aerosol oxidative load
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Human exposure to particulate matter (PM) air pollution is associated with both human morbidity and mortality. The mechanisms by which PM impacts human health are yet unresolved, but evidence suggests that PM intake leads to cellular oxidative stress through the generation of reactive oxygen species (ROS). Therefore, reliable tools are needed for estimating the oxidant generating capacity, or oxidative load, of PM. The most widely reported method for assessing PM oxidative load is the dithiothreitol (DTT) assay. The traditional DTT assay utilizes filter-based PM collection in conjunction with ...