A 3-μW CMOS glucose sensor for wireless contact-lens tear glucose monitoring

Yu-Te Liao; Huanfen Yao; Andrew Lingley; Babak Parviz; Brian P. Otis

doi:10.1109/JSSC.2011.2170633

A 3-μW CMOS glucose sensor for wireless contact-lens tear glucose monitoring

Yu-Te Liao, Huanfen Yao, Andrew Lingley, Babak Parviz, Brian P. Otis

Department of Electrical and Computer Engineering

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

329 Scopus citations

Abstract

This paper presents a noninvasive wireless sensor platform for continuous health monitoring. The sensor system integrates a loop antenna, wireless sensor interface chip, and glucose sensor on a polymer substrate. The IC consists of power management, readout circuitry, wireless communication interface, LED driver, and energy storage capacitors in a 0.36-mm² CMOS chip with no external components. The sensitivity of our glucose sensor is 0.18 μA·mm^-2·mM^-1. The system is wirelessly powered and achieves a measured glucose range of 0.05-1 mM with a sensitivity of 400 Hz/mM while consuming 3 μW from a regulated 1.2-V supply.

Original language	English
Article number	6071020
Pages (from-to)	335-344
Number of pages	10
Journal	IEEE Journal of Solid-State Circuits
Volume	47
Issue number	1
DOIs	https://doi.org/10.1109/JSSC.2011.2170633
State	Published - Jan 2012

Keywords

Contact lens
glucose sensor
heterogeneous integration
low power
noninvasive
potentiostat
wireless health monitoring

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10.1109/JSSC.2011.2170633

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abstract = "This paper presents a noninvasive wireless sensor platform for continuous health monitoring. The sensor system integrates a loop antenna, wireless sensor interface chip, and glucose sensor on a polymer substrate. The IC consists of power management, readout circuitry, wireless communication interface, LED driver, and energy storage capacitors in a 0.36-mm2 CMOS chip with no external components. The sensitivity of our glucose sensor is 0.18 μA·mm-2·mM-1. The system is wirelessly powered and achieves a measured glucose range of 0.05-1 mM with a sensitivity of 400 Hz/mM while consuming 3 μW from a regulated 1.2-V supply.",

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AB - This paper presents a noninvasive wireless sensor platform for continuous health monitoring. The sensor system integrates a loop antenna, wireless sensor interface chip, and glucose sensor on a polymer substrate. The IC consists of power management, readout circuitry, wireless communication interface, LED driver, and energy storage capacitors in a 0.36-mm2 CMOS chip with no external components. The sensitivity of our glucose sensor is 0.18 μA·mm-2·mM-1. The system is wirelessly powered and achieves a measured glucose range of 0.05-1 mM with a sensitivity of 400 Hz/mM while consuming 3 μW from a regulated 1.2-V supply.

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A 3-μW CMOS glucose sensor for wireless contact-lens tear glucose monitoring

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