System and Methods for Determination of Analyte Concentration Using Time Resolved Amperometry
First Claim
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1. A method for determining a concentration of an analyte, the steps comprising:
- applying a potential excitation to a fluid sample containing an analyte;
determining if a current decay curve associated with the fluid sample has substantially entered an analyte depletion stage;
measuring a plurality of current values associated with the fluid sample during the analyte depletion stage; and
calculating an analyte concentration based on at least one of the plurality of current values.
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Abstract
A method for determining a concentration of an analyte is disclosed. The method includes applying a potential excitation to a fluid sample containing an analyte and determining if a current decay curve associated with the fluid sample has entered an analyte depletion stage. The method also includes measuring a plurality of current values associated with the fluid sample during the analyte depletion stage and calculating an analyte concentration based on at least one of the plurality of current values.
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Citations
30 Claims
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1. A method for determining a concentration of an analyte, the steps comprising:
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applying a potential excitation to a fluid sample containing an analyte; determining if a current decay curve associated with the fluid sample has substantially entered an analyte depletion stage; measuring a plurality of current values associated with the fluid sample during the analyte depletion stage; and calculating an analyte concentration based on at least one of the plurality of current values. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for determining an analyte concentration in a fluid sample, comprising:
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a set of electrodes positioned within a sample chamber and configured to apply a potential excitation to a fluid sample containing an analyte; a sample chamber having a spacer height of less than about 110 μ
m;a processor configured to; determine if a current decay curve associated with the fluid sample has substantially entered an analyte depletion stage; measure a plurality of current values associated with the fluid sample during the analyte depletion stage; and calculate an analyte concentration based on at least one of the plurality of current values. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A biosensor, comprising:
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a set of coplanar electrodes configured to apply a potential excitation to a fluid sample containing an analyte; and a sample chamber configured to receive the fluid sample and house the electrodes, wherein the sample chamber has a height above the electrodes of less than about 110 μ
m. - View Dependent Claims (26, 27, 28, 29, 30)
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Specification