Self-Powered Analyte Sensor
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Abstract
Generally, embodiments of the invention relate to self-powered analyte determining devices (e.g., electrochemical analyte monitoring systems) that include a working electrode, a counter electrode, and an optional resistance value, where the working electrode includes analyte sensing components and the self-powered analyte determining device spontaneously passes a current directly proportional to analyte concentration in the absence of an external power source. Also provided are systems and methods of using the, for example electrochemical, analyte sensors in analyte monitoring.
253 Citations
96 Claims
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1-46. -46. (canceled)
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47. An analyte sensor assembly, comprising:
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a self-powered electrochemical analyte sensor comprising; a working electrode comprising an analyte-responsive enzyme disposed on the working electrode, wherein the working electrode is configured and arranged for electrooxidizing or electroreducing a primary reactant in the presence of the analyte-responsive enzyme; a counter electrode capable of electroreducing or electrooxidizing a secondary reactant, wherein the self-powered electrochemical analyte sensor spontaneously passes a current directly proportional to analyte concentration in the absence of an external power source; and a transmitter unit operatively coupled to the electrochemical analyte sensor and configured to receive one or more signals from the electrochemical analyte sensor corresponding to an analyte level of a subject. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95)
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96-128. -128. (canceled)
Specification