Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement

The printed electrodes for detecting direct current signal changes of human vital signs have been fully investigated. Here a flexible and printed microwave plasmonic sensor for detecting liquid solutions is proposed and demonstrated. The sensor for noninvasive measurement at microwave frequencies is...

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Autores principales:	Li Hui Dai, Hong Zhou Zhao, Xia Zhao, Yong Jin Zhou
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2020
Materias:	Flexible printed circuits microfluidics plasmons wearable sensors Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/b72dd8fed4ed47509d75112a7d111698
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id	oai:doaj.org-article:b72dd8fed4ed47509d75112a7d111698
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spelling	oai:doaj.org-article:b72dd8fed4ed47509d75112a7d1116982021-11-19T00:05:40ZFlexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement2169-353610.1109/ACCESS.2020.3020268https://doaj.org/article/b72dd8fed4ed47509d75112a7d1116982020-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9180327/https://doaj.org/toc/2169-3536The printed electrodes for detecting direct current signal changes of human vital signs have been fully investigated. Here a flexible and printed microwave plasmonic sensor for detecting liquid solutions is proposed and demonstrated. The sensor for noninvasive measurement at microwave frequencies is based on the spoof localized surface plasmons resonator, which is composed of a metal corrugated ring fabricated on the flexible PET substrate using the inkjet printing technology. The winding-shaped polydimethylsiloxane (PDMS) microfluidic channel is interleaved with the corrugated ring to simulate the complicated blood vessel. The simulated results agree well with the experimental measurements. It shows that the measured resonance frequency offset of 147 MHz has been achieved when the microfluidic channel is filled with deionized water, which indicates that the flexible microwave biological sensor is feasible. The calculated figure of merit is as high as 1178. The sensor can find wider applications in the flexible and wearable device field for continuous health monitoring.Li Hui DaiHong Zhou ZhaoXia ZhaoYong Jin ZhouIEEEarticleFlexible printed circuitsmicrofluidicsplasmonswearable sensorsElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 8, Pp 163238-163243 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Flexible printed circuits microfluidics plasmons wearable sensors Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Flexible printed circuits microfluidics plasmons wearable sensors Electrical engineering. Electronics. Nuclear engineering TK1-9971 Li Hui Dai Hong Zhou Zhao Xia Zhao Yong Jin Zhou Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement
description	The printed electrodes for detecting direct current signal changes of human vital signs have been fully investigated. Here a flexible and printed microwave plasmonic sensor for detecting liquid solutions is proposed and demonstrated. The sensor for noninvasive measurement at microwave frequencies is based on the spoof localized surface plasmons resonator, which is composed of a metal corrugated ring fabricated on the flexible PET substrate using the inkjet printing technology. The winding-shaped polydimethylsiloxane (PDMS) microfluidic channel is interleaved with the corrugated ring to simulate the complicated blood vessel. The simulated results agree well with the experimental measurements. It shows that the measured resonance frequency offset of 147 MHz has been achieved when the microfluidic channel is filled with deionized water, which indicates that the flexible microwave biological sensor is feasible. The calculated figure of merit is as high as 1178. The sensor can find wider applications in the flexible and wearable device field for continuous health monitoring.
format	article
author	Li Hui Dai Hong Zhou Zhao Xia Zhao Yong Jin Zhou
author_facet	Li Hui Dai Hong Zhou Zhao Xia Zhao Yong Jin Zhou
author_sort	Li Hui Dai
title	Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement
title_short	Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement
title_full	Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement
title_fullStr	Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement
title_full_unstemmed	Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement
title_sort	flexible and printed microwave plasmonic sensor for noninvasive measurement
publisher	IEEE
publishDate	2020
url	https://doaj.org/article/b72dd8fed4ed47509d75112a7d111698
work_keys_str_mv	AT lihuidai flexibleandprintedmicrowaveplasmonicsensorfornoninvasivemeasurement AT hongzhouzhao flexibleandprintedmicrowaveplasmonicsensorfornoninvasivemeasurement AT xiazhao flexibleandprintedmicrowaveplasmonicsensorfornoninvasivemeasurement AT yongjinzhou flexibleandprintedmicrowaveplasmonicsensorfornoninvasivemeasurement
_version_	1718420689195630592

Flexible and Printed Microwave Plasmonic Sensor for Noninvasive Measurement

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