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Quantification of spore-forming bacteria carried by dust particles

Show simple item record Lin, Ying Cholakian, Tanya Gao, Wenming Osman, Shariff Barengoltz, Jack 2006-11-15T23:24:42Z 2006-11-15T23:24:42Z 2006-07-16
dc.identifier.citation 36th COSPAR Scientific Assembly, Beijing, China July 16-23, 2006. en
dc.identifier.clearanceno 06-1495
dc.description.abstract In order to establish a biological contamination transport modelfor predicting the cross contamination risk during spacecraft assembly and upon landing on Mars, it is important to understand the relationship between spore-forming bacteria and their carrier particles. We conducted air and surface sampling in indoor, outdoor, and cleanroomenvironments to determine the ratio of spore forming bacteria to their dust particle carriers of different sizes. The number of spore forming bacteria was determined from various size groups of particles in a given environment. Our data also confirms the existence of multiple spores on a single particle and spore clumps. This study will help in developing a better bio-contamination transport model, which in turn will help in determining forward contamination risks for future missions. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 261061 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006. en
dc.subject spores en
dc.subject particles en
dc.subject contamination en
dc.subject spacecraft en
dc.subject spore clustering
dc.subject bio-contamination
dc.title Quantification of spore-forming bacteria carried by dust particles en
dc.type Presentation en

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