Single-use flammable vapor sensor films
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United States of America Patent
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Apr 8, 2014
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May 21, 2009
app pub date -
Nov 20, 2007
filing date -
Nov 20, 2007
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Abstract
A single-use replaceable (one-shot) conductometric sensor film for use with a conductometric sensor, such as flammable vapor sensors, is provided that detects one or more volatile organic compound chemical analytes. Such sensor films exhibit a sustained change in resistance after exposure to the target analytes. The sensor film compositions undergo substantially inelastic deformation after a detection event and thus exhibit a sustained resistance change, ensuring only one-time use for certain applications. Methods of sensing analytes using the single-use sensor film compositions are also provided.
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