Biosensor and a method for measuring a concentration of a substrate in a sample
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United States of America Patent
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Nov 23, 1993
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N/A
app pub date -
Oct 15, 1992
filing date -
Oct 18, 1991
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Abstract
The present invention provides a biosensor comprising an electrical insulating substrate, a main electrode system formed on the substrate and having a working electrode and a counter electrode, a reaction layer provided in contact with or in the vicinity of the main electrode system and containing an oxidoreductase, and a sub electrode system as a reference provided with an interval from the main electrode system and having a working electrode and a counter electrode.
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