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Sensor Detects Overheating Of Perishable MaterialExperimental temperature sensor changes color rapidly and irreversibly when temperature rises above pre-determined level. Based on reactions of enzymes in paraffins, blended so mixture melts at temperature considered maximum safe value. Similar devices used to detect temperature abuse, whether foods or medicines refrigerated exposed to excessive temperatures during shipment and storage. By viewing sensor, receiving clerk tells immediately whether product maintained at safe temperatures and acceptable.
Document ID
19900000254
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Dordick, Jonathan S.
(Massachusetts Inst. of Tech.)
Klibanov, Alexander
(Massachusetts Inst. of Tech.)
Date Acquired
August 14, 2013
Publication Date
May 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 5
ISSN: 0145-319X
Subject Category
Life Sciences
Report/Patent Number
NPO-17585
Accession Number
90B10254
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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