A Culture System for the Direct Exposure of Mammalian Cells to Airborne Pollutants
Most airborne pollutants first enter the body through the respiratory tract. In mammals and most other air-breathers, mechanisms have evolved to deal with these pollutants, especially those of a particulate nature. In recent times, however, air pollutant gases have been introduced into the environment at higher concentrations than before. Well-known examples are ozone (O3) and oxides of nitrogen (NO2, NO). Other gaseous pollutants whose effects are not so well known include short-lived, highly reactive species produced photochemically in the urban air mixture called smog. Peroxyacetyl nitrate (PAN) is one example (Stephens, 1969).
KeywordsExposure System Nitrogen Dioxide Direct Exposure Exposure Chamber Airborne Pollutant
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