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Dry-Enzyme Test For Gaseous ChemicalsSimple, dry-chemical test detects ethanol in human breath. Method of test also adapted to detection of such toxic chemicals as formaldehyde in airstreams. Used qualitatively to detect chemical compounds above present level; for example, ethanol above legal level for driving. Also used to indicate quantitatively concentrations of compounds. Involves dry enzyme and color indicator. Adapted to detect any gaseous compound transformed by enzymes to produce change evident to human eye or to instrument.
Document ID
19900000042
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Barzana, Eduardo
(Massachusetts Inst. of Tech.)
Karel, Marcus
(Massachusetts Inst. of Tech.)
Klibanov, Alexander
(Massachusetts Inst. of Tech.)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 1
ISSN: 0145-319X
Subject Category
Life Sciences
Report/Patent Number
NPO-17642
Accession Number
90B10042
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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