Airborne microorganisms: Their occurrence,distribution and dependence on environmental factors — Especially on organic compounds of air-pollution |
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Authors: | Priv-Doz Dr med H Rüden Prof Dr med E Thofern Dr med P Fischer Dr Ing U Mihm |
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Institution: | (1) Hygiene-Institut der Universität Bonn, 5300 Bonn 1-Venusberg, Bundesrepublik Deutschland |
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Abstract: | For a period of approximately six months the concentrations of airborne microorganisms were determined by the uptake of their day-characteristic at local places differing by the extent of air pollution. By simultaneously recording the meteorological parameters as temperature, relative humidity, direction and velocity of wind and intensity of solar radiation, it was intended to find out the relationship between these factors and the viability of airborne microorganisms. The present data show an oscillation of the concentration counts over a wide range and seem not yet to depend on the local situation of air pollution.In a further series of experiments the atmospheric aerosol <10 m was collected on air-filters . The decreased substances were extracted from the filter material by aqueous and organic solutants and tested for their antimicrobial activities. In this context the seasonal dependence of the microbicidal activity of organic compounds of aerosol is discussed. |
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Keywords: | Aerosol Airborne microorganisms Air pollution |
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