Powering In-Body Nanosensors With Ultrasounds

Donohoe, Michael and Balasubramaniam, Sasitharan and Jennings, Brendan and Jornet, Josep Miquel (2016) Powering In-Body Nanosensors With Ultrasounds. IEEE Transactions on Nanotechnology, 15 (2). pp. 151-154. ISSN 1536-125X

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Abstract

Embedded nanosensors will be a key feature of emerging medical monitoring systems. Power for these sensors could be harvested from ultrasonic vibrations generated by portable miniature sources and converted to electrical energy by piezoelectric nanowires. This letter analyzes the frequency and intensity of ultrasounds required to power an embedded nanosensor subject to medical safety limits, absorption by human tissue and reflection from interfaces. We calculate input and output power at different levels of energy conversion efficiency. Our analysis suggests that ultrasounds can be a viable source for energy harvesting of in-body nanosensors.

Item Type:	Article
Additional Information:	Funding Information: This work was supported by the Academy of Finland FiDiPro program for the project "Nanocommunications Networks" 2012-2016, and the Finnish Academy Research Fellow program under Project no. 284531. It is also supported in part by the Irish Higher Education Authority under the Program for Research in Third Level Institutions cycle 5, which is cofunded by the European Regional Development Fund (ERDF), via the Telecommunications Graduate Initiative, and in part by the Science Foundation Ireland via the CONNECT research centre under Grant 13/RC/2077, which is cofunded by the ERDF. Publisher Copyright: © 2015 IEEE.
Uncontrolled Keywords:	/dk/atira/pure/subjectarea/asjc/1700/1706
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Depositing User:	Admin SSL
Date Deposited:	19 Oct 2022 23:00
Last Modified:	07 Jun 2023 18:40
URI:	http://repository-testing.wit.ie/id/eprint/3577

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