Concentration determination in a diffusion barrier layer
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United States of America Patent
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Nov 27, 2012
Grant Date -
Oct 25, 2007
app pub date -
Apr 11, 2007
filing date -
Oct 12, 2004
priority date (Note) -
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Abstract
The present invention relates to improved electrochemical biosensor strips and methods for determining the concentration of an analyte in a sample. By selectively measuring a measurable species residing in a diffusion barrier layer, to the substantial exclusion of the measurable species residing exterior to the diffusion barrier layer, measurement errors introduced by sample constituents, such as red blood cells, and manufacturing variances may be reduced.
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