Biosensor
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United States of America Patent
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-
Oct 1, 2002
Grant Date -
Jul 5, 2001
app pub date -
Dec 27, 2000
filing date -
Dec 27, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a biosensor having a high current response sensitivity, a low blank response and a high storage stability. This sensor comprises an electrode system including a working electrode and a counter electrode, for forming an electrochemical measurement system by coming in contact with a supplied solution; an insulating supporting member for supporting the electrode system; a first reagent layer formed on the working electrode; and a second reagent layer formed on the counter electrode, wherein the first reagent layer does not contain an enzyme, but it contains at least an electron mediator, and the second reagent layer does not contain an electron mediator, but it contains at least an enzyme.
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