Journal
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Volume 53, Issue 17, Pages 9970-9991Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.est.9b01505
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- Jaguar Land Rover
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Airborne particulate matter poses a serious threat to human health. Exposure to nanosized (<0.1 mu m), vehicle-derived particulates may be hazardous due to their bioreactivity, their ability to penetrate every organ, including the brain, and their abundance in the urban atmosphere. Fe-bearing nano particles (<0.1 mu m) in urban environments may be especially important because of their pathogenicity and possible association with neurodegenerative diseases, such as Alzheimer's and Parkinson's diseases. This review examines current knowledge regarding the sources of vehicle-derived Fe-bearing nano particles, their chemical and mineralogical compositions, grain size distribution and potential hazard to human health. We focus on data reported for the following sources of Fe-bearing nanoparticles: exhaust emissions (both diesel and gasoline), brake wear, tire and road surface wear, resuspension of roadside dust, underground, train and tram emissions, and aircraft and shipping emissions. We identify limitations and gaps in existing knowledge as well as future challenges and perspectives for studies of airborne Fe-bearing nanoparticles.
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