Electrochemical biosensor
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United States of America Patent
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Oct 30, 2007
Grant Date -
Jan 6, 2005
app pub date -
Feb 12, 2004
filing date -
Jun 9, 2003
priority date (Note) -
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Abstract
There is provided the reagent layer composition that can substantially reduce the measurement bias arising from hematocrits. The addition of fatty acid (4-20 carbons) and quaternary ammonium salt to a commonly used reagent layer composition composed of an enzyme, an electron transfer mediator, and several water soluble polymers not only reduce the hematocrit level-dependent bias but also provide very stable performance for an extended period of time. Disclosed are also various types of sub microliter sample volume electrochemical biosensors that are suitable to use with the reagent layer composition of present invention.
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