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Microbial fragments - a new challenge for exposure assessment of bioaerosols.

Authors
Reponen-T; Cho-SH; Wang-H; Grinshpun-SA
Source
J Aerosol Sci 2004 Jul; 35(Suppl 1):S399-S400
NIOSHTIC No.
20030701
Abstract
Bioaerosol exposures are still poorly understood and a clear cause-and-effect relationship between the exposure and adverse health outcome has not been well established. This may be partial1y due to inadequate methods utilized for exposure assessment. Traditional sampling and analysis of airborne fungi and bacteria rely on measuring intact spores and bacterial cells whereas other types of microbial propagules have not been sufficiently explored. Our previous study on fungi showed that smaller-sized fungal fragments are released together with spores from moldy surfaces (Gorny et at, 2002). In this study, we investigated the aerosolization of microbial propagules from contaminated sources in a wide size range of 0.02-10 um. Two different aerosolization mechanisms were studied: aerosolization of dry microbial particles from surfaces and microbial aerosolization from liquids.
Keywords
Exposure-assessment; Aerosols; Aerosol-particles; Sampling; Sampling-methods; Fungi; Fungicides; Author Keywords: Fungi; Bacteria; Fragments; Aerosolization
CODEN
JALSB7
Publication Date
20040701
Document Type
Abstract; Conference/Symposia Proceedings
Funding Amount
378870
Funding Type
Grant
Fiscal Year
2004
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-003888
ISSN
0021-8502
Priority Area
Work Environment and Workforce: Mixed Exposures
Source Name
Journal of Aerosol Science
State
OH
Performing Organization
University of Cincinnati, Cincinnat, Ohio
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