Study of Electrochemical Impedance of a Continuous Glucose Monitoring Sensor and its Correlation with Sensor Performance

Sara S. Ghoreishizadeh; Xiaotian Zhang; Sanjiv Sharma; Pantelis Georgiou

doi:10.1109/LSENS.2017.2778248

Study of Electrochemical Impedance of a Continuous Glucose Monitoring Sensor and its Correlation with Sensor Performance

Sara S. Ghoreishizadeh
, Xiaotian Zhang
, Sanjiv Sharma
, Pantelis Georgiou

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

In this article, we study the change in the sensitivity and the electrochemical impedance of continuous glucose monitoring sensors over time. In total, 28-day sensitivity and electrical impedance spectroscopy measurement results on four similar sensors are presented. The sensitivity of the sensor is observed to be related to its double-layer capacitance and charge-transfer resistance, based on results acquired from a sensor that showed substantial sensitivity drop. Two data clusters are extracted that relate the sensor sensitivity to its impedance before and after the sensitivity drops by more than 50.

Original language	English
Article number	8123856
Journal	IEEE Sensors Letters
Volume	2
Issue number	1
DOIs	https://doi.org/10.1109/LSENS.2017.2778248
State	Published - Mar 2018
Externally published	Yes

Keywords

Sensor phenomena
correlation
double-layer capacitance
glucose sensor
impedance spectroscopy
sensitivity

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10.1109/LSENS.2017.2778248

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abstract = "In this article, we study the change in the sensitivity and the electrochemical impedance of continuous glucose monitoring sensors over time. In total, 28-day sensitivity and electrical impedance spectroscopy measurement results on four similar sensors are presented. The sensitivity of the sensor is observed to be related to its double-layer capacitance and charge-transfer resistance, based on results acquired from a sensor that showed substantial sensitivity drop. Two data clusters are extracted that relate the sensor sensitivity to its impedance before and after the sensitivity drops by more than 50.",

keywords = "Sensor phenomena, correlation, double-layer capacitance, glucose sensor, impedance spectroscopy, sensitivity",

author = "Ghoreishizadeh, \{Sara S.\} and Xiaotian Zhang and Sanjiv Sharma and Pantelis Georgiou",

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AU - Ghoreishizadeh, Sara S.

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AU - Sharma, Sanjiv

AU - Georgiou, Pantelis

PY - 2018/3

Y1 - 2018/3

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AB - In this article, we study the change in the sensitivity and the electrochemical impedance of continuous glucose monitoring sensors over time. In total, 28-day sensitivity and electrical impedance spectroscopy measurement results on four similar sensors are presented. The sensitivity of the sensor is observed to be related to its double-layer capacitance and charge-transfer resistance, based on results acquired from a sensor that showed substantial sensitivity drop. Two data clusters are extracted that relate the sensor sensitivity to its impedance before and after the sensitivity drops by more than 50.

KW - Sensor phenomena

KW - correlation

KW - double-layer capacitance

KW - glucose sensor

KW - impedance spectroscopy

KW - sensitivity

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Study of Electrochemical Impedance of a Continuous Glucose Monitoring Sensor and its Correlation with Sensor Performance

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Keywords

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