Systems and methods of discriminating between a control sample and a test fluid using capacitance
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United States of America Patent
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Dec 31, 2013
Grant Date -
Apr 5, 2012
app pub date -
Sep 30, 2010
filing date -
Sep 30, 2010
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Abstract
Methods for distinguishing between an aqueous non-blood sample (e.g., a control solution) and a blood sample are provided herein. In one aspect, the method includes using a test strip in which multiple current transients are measured by a meter electrically connected to an electrochemical test strip. The current transients are used to determine if a sample is a blood sample or an aqueous non-blood sample based on characteristics of the sample (e.g., amount of interferent present, reaction kinetics, and/or capacitance). The method can also include calculating a discrimination criteria based upon these characteristics. Various aspects of a system for distinguishing between a blood sample and an aqueous non-blood sample are also provided herein.
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