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Elements' bioaccessibility and oxidative potential of urban aerosol
Cigánková, Hana ; Mikuška, Pavel ; Hegrová, J.
Atmospheric aerosols (Particulate Matter, PM) have significant impact on health and environment. The ability of aerosol to produce reactive oxygen species (ROS) is one of the widely proposed mechanisms related to the negative effects of aerosol on human health. Oxidative stress, caused by the production of ROS, is associated with several cardiovascular and respiratory diseases.\nThe capacity of aerosol to produce ROS is also called oxidative potential (OP). Although ROS generation capacity of PM exhibits a good correlation with PM mass concentration, it may depend more on physico-chemical properties of PM. Elements bound to PM play a significant role in contributing to the OP of aerosol. Exposure to elements was linked with several health issues (e.g. respiratory and cardiovascular diseases, asthma, inflammatory effects, lung cancer).

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