Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A sensor system, comprising: a subcutaneous or implanted sensor, said sensor having a plurality of independent working electrodes, a counter electrode, and a reference electrode; and sensor electronics operably coupled to said sensor and including: electronic circuitry configured to selectively perf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Wang, Jenn-Hann Larry, Li, Yiwen, Sirigiri, Manjunath, Yang, Ning, Liang, Bradley C, Szyman, Catherine M, Mucic, Robert C, Callirgos, Carlos A, Chen, Paris, Miller, Michael E, Gautham, Raghavendhar, Shah, Rajiv, Morgan, Wayne A, De Barros, Genival D, Brinson, Joseph Paul
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A sensor system, comprising: a subcutaneous or implanted sensor, said sensor having a plurality of independent working electrodes, a counter electrode, and a reference electrode; and sensor electronics operably coupled to said sensor and including: electronic circuitry configured to selectively perform an electrochemical impedance spectroscopy (EIS) procedure for one or more of said plurality of independent working electrodes to generate impedance-related data for said one or more working electrodes; a programmable sequencer configured to provide a start stimulus and a stop stimulus for performing said EIS procedure; and a microcontroller interface configured to operably couple the sensor electronics to a microcontroller.