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Allergens in Paved Road Dust and Airborne Particles; Final rept
| 题名： | Allergens in Paved Road Dust and Airborne Particles; Final rept |
| 作者： | Miguel, A. G.; Cass, G. R.; Glovsky, M. M.; Weiss, J. |
| 关键词： | Southern California; Pavements; Allergens; Dusts; Particulates; Aerosols; Suspended solids; Exhaust emissions; Pollen; Brake lining materials; Tire materials; Road materials; Vehicle air pollution; Ecological concentration; Spatial distribution |
| 摘要： | The purpose of the work was to quantify the allergen content of paved road dust and to estimate the magnitude of the road dust contribution to airborne allergen concentrations. Paved road dust present on roads in Southern California consists of a mixture of soil dust, deposited motor vehicle exhaust particles, tire dust, brake lining wear dust, plant fragments and other biological materials. Using immunological assays, which measure the allergenic proteins that bind to antibodies present in the blood serum of allergic patients, it is possible to measure allergen concentrations present in paved road dust and in airborne particulate matter samples. In this study, allergens from at least 20 different sources were found in paved road dust. These included pollen and pollen fragments, animal dander and molds, but did not include natural rubber latex allergens, which have been measured in previous studies. |
| 总页数： | 64p |
| 报告类型： | 科技报告 |
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