Enzyme electrodes and method of manufacture
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United States of America Patent
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Jul 31, 2007
Grant Date -
Apr 1, 2004
app pub date -
Jul 10, 2003
filing date -
Jul 11, 2002
priority date (Note) -
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Abstract
A non-mediated enzyme electrode comprises a base substrate (2) on which is provided an electrically conductive base layer (8) comprising finely divided platinum group metal or oxide bonded together by a resin; a top layer on the base layer (8), the top layer comprising a buffer. A catalytically active quantity of an oxidoreductase enzyme is provided in at least one of the base layer and the top layer. The invention also provides a biosensor (20) which includes an enzyme electrode, and methods of manufacturing the enzyme electrode and biosensor.
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