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BPN844: Wireless Sub-Millimeter Temperature Sensor for Continuous Temperature Monitoring in Tissue

Project ID BPN844
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Start Date Tue 2016-Aug-23 21:44:31
Last Updated Mon 2017-Aug-14 22:40:15
Abstract We demonstrate a tetherless, sub-millimeter implantable temperature sensing system employing ultrasonic powering and ultrasonic backscatter modulation assembled using commercially available components. We have demonstrated two sizes of sensors based on available components with volumes of 1.45 mm3 and 0.118 mm3. Individual sensors are able to resolve 0.5 C changes in temperature, suitable for medical diagnostic and monitoring purposes. We have demonstrated less than 0.3 C drift in temperature readings over 14 days in physiological temperature conditions. Our goal is to solve a long-standing issue: chronically and tetherlessly monitoring deep tissue temperature.
Status Continuing
Funding Source DARPA
IAB Research Area Wireless, RF & Smart Dust
Researcher(s) B. Arda Ozilgen
Advisor(s) Michel M. Maharbiz
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Summary Slide PDF | VIDEO
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