Small volume in vitro analyte sensor
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United States of America Patent
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Mar 27, 2012
Grant Date -
Jan 28, 2010
app pub date -
Sep 29, 2009
filing date -
Feb 6, 1997
priority date (Note) -
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Abstract
A sensor designed to determine the amount and concentration of analyte in a sample having a volume of less than about 1 μL. The sensor has a working electrode coated with a non-leachable redox mediator. The redox mediator acts as an electron transfer agent between the analyte and the electrode. In addition, a second electron transfer agent, such as an enzyme, can be added to facilitate the electrooxidation or electroreduction of the analyte. The redox mediator is typically a redox compound bound to a polymer. The preferred redox mediators are air-oxidizable.
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