Biosensor
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United States of America Patent
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N/A
Issued Date -
Sep 18, 2003
app pub date -
May 6, 2003
filing date -
Apr 16, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a biosensor that detects introduction of a sample liquid into an analyte feed passage using a detecting electrode, a means of improving accuracy of detection is provided. The biosensor has: an electrode system including measuring electrode (2), counter electrode (3), and detecting electrode (4) on first electrically insulated board (1); analyte feed passage (7) for introducing the sample liquid; and reagent layer (5) used for quantifying a substrate contained in the sample liquid. The means is characterized in that detecting electrode (4) is spaced from measuring electrode (2) by a distance sufficient for the sample liquid to sufficiently cover measuring electrode (2) before the sample liquid reaches detecting electrode (4).
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