Potentially Allergenic Airborne Particles in the Vicinity of a Yeast and Penicillin Production Plant |
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Authors: | Liesbeth Preller Albert Hollander Dick Heederik Bert Brunekreef |
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Affiliation: | Agricultural University Wageningen , Wageningen , The Netherlands , USA |
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Abstract: | Potential health risks of exposure to emissions of a yeast and penicillin production plant were investigated by measuring viable particles and protein contents of particles in ambient air. The results showed a clear decrease of the downwind number of yeast colonyforming units with increasing distance from the source. Upwind the number of yeast colony-forming units was zero. Identification showed that nearly all yeast were of the species Saccharomlces cerevisiae. Such a trend could not be found for the total number of colony-forming units (yeasts, molds, and bacteria) although the upwind concentration was slightly lower than the downwind concentration. The downwind protein concentration was significantly elevated compared to the upwind concentration. |
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