Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving viable micro-organism
Patent
1988-04-15
1990-03-06
Deck, Randall E.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving viable micro-organism
435 30, 435296, 435299, 435311, 435801, C12Q 104, C12Q 124, C12M 124, C12M 116
Patent
active
049065661
ABSTRACT:
A testing device allows field tests to determine the presence of microorganisms in a given fluid. A container may have a culture medium in dry form, and a floatable device in the container. When a liquid sample is placed into a container, the floatable device floats on the surface and intercedes the exchange of oxygen from the atmosphere to the liquid. An oxygen content sufficient for aerobes is provided at the surface of the liquid, a reduced oxygen content for microaerobes provided just below the intercedent device, and no-oxygen content for anaerobes is provided at the bottom of the container. Selection of the culture medium can assist in detecting specific organisms, and further information can be gained by observing colorations, gas bubbles, precipitates and the like.
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patent: 4717660 (1988-01-01), Schulte
Finegold et al, Bailey and Scotti Diagnostic Microbiology, C. V. Mosby Co., St. Louis, (1978), p. 450.
Alford George W.
Cullimore D. Roy
Deck Randall E.
Middleton James B.
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