Sensor with PVC cover membrane
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Apr 16, 1998
filing date -
Apr 17, 1997
priority date (Note) -
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Abstract
The invention is concerned with a sensor for the determination of the concentration and the detection of an enzyme substrate in a liquid sample, the sensor comprising an enzyme capable of reacting with the enzyme substrate while producing a substance directly or indirectly detectable, a detection device for this substance and a cover membrane from a polymer permeable to the enzyme substrate, characterized in that the polymer is a polyvinyl chloride copolymer, i.e. a copolymer from vinyl chloride and a further monomer, the copolymer comprising hydrophilic groups. The sensor according to the invention may be provided as an optical sensor or as an amperometric sensor.
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