Membranes and optical sensors made therewith having improved barrier properties
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United States of America Patent
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Oct 31, 2000
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N/A
app pub date -
Dec 16, 1997
filing date -
Dec 16, 1997
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Expired
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Abstract
The present invention discloses novel polymer compositions comprising cellulose acrylamide, acrylamide and/or a fluorescent indicator species, and membranes made with these compositions. Optical pH sensors for monitoring the pH in a fluid sample, and methods for making such pH sensors are also disclosed. The pH sensors have reduced sensitivity to sample components that can interfere with pH measurements.
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