PHOTOLUMINESCENT OXYGEN PROBE WITH REDUCED CROSS-SENSITIVITY TO HUMIDITY
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United States of America Patent
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Issued Date -
Jun 9, 2011
app pub date -
Dec 7, 2009
filing date -
Dec 7, 2009
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Abandoned
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Abstract
An oxygen-sensitive probe having reduced cross-sensitivity to humidity and methods of manufacturing and using such probes to measure oxygen concentrations within an enclosed space. The probe includes a thin film of an oxygen-sensitive photoluminescent dye on a first major surface of a microporous wettable polyolefin support layer. The dye is preferably a solid state composition comprising the oxygen-sensitive photoluminescent dye embedded within an oxygen-permeable hydrophobic polymer matrix.
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