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Extended duration orbiter medical project Microbial Air Sampler (STS-50/USML-1)The Microbial Air Sampler was used on mission days 1, 7, and 13 in the Spacelab during STS-50/USML-1. Microbial air samples were collected using two types of media strips containing agar (Rose Bengal for yeast and molds, TSA for bacteria). The bacterial level found on day 1 was lower than experienced on previous Spacelab missions. A high level of fungi was present on day 1, however subsequent samples on days 7 and 13 did not indicate fungal growth. Bacterial growth was also minimized in this microgravity environment as the mission progressed. No pathogenic microorganisms were isolated, and the health risk from airborne microbes was minimal throughout the mission.
Document ID
19950007808
Document Type
Conference Paper
Authors
Pierson, Duane L. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Boettcher, Sheila W. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1994
Publication Information
Publication: NASA. Marshall Space Flight Center, Joint Launch + One Year Science Review of USML-1 and USMP-1 with the Microgravity Measurement Group
Subject Category
MATERIALS PROCESSING
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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