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Method and apparatus for rapid biohydrogen phenotypic screening of microorganisms using a chemochromic sensor

United States Patent

August 21, 2001
View the Complete Patent at the US Patent & Trademark Office
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The invention provides an assay system for identifying a hydrogen-gas-producing organism, including a sensor film having a first layer comprising a transition metal oxide or oxysalt and a second layer comprising hydrogen-dissociative catalyst metal, the first and second layers having an inner and an outer surface wherein the inner surface of the second layer is deposited on the outer surface of the first layer, and a substrate disposed proximally to the outer surface of the second layer, the organism being isolated on the substrate.
Seibert; Michael (Lakewood, CO), Benson; David K. (Golden, CO), Flynn; Timothy Michael (Golden, CO)
Midwest Research Institute (Kansas City, MO)
09/ 316,172
May 21, 1999
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No.DE-AC36-98GO10337 between the United States Department of Energy and the Midwest Research Institute.