Thread-based multiplexed sensor patch for real-time sweat monitoring

Abstract Sensor platforms that exploit the fibrous textile threads as substrates offer great promise since they can be directly sewn, woven or stitched on to any clothing. They can also be placed directly in intimate contact with the skin. In this work, we present a thread-based sensing platform in...

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Autores principales:	Trupti Terse-Thakoor, Meera Punjiya, Zimple Matharu, Boyang Lyu, Meraj Ahmad, Grace E. Giles, Rachel Owyeung, Francesco Alaimo, Maryam Shojaei Baghini, Tad T. Brunyé, Sameer Sonkusale
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/3e18dfd8bdf04253a1c248f17f474e09
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spelling	oai:doaj.org-article:3e18dfd8bdf04253a1c248f17f474e092021-12-02T16:30:16ZThread-based multiplexed sensor patch for real-time sweat monitoring10.1038/s41528-020-00081-w2397-4621https://doaj.org/article/3e18dfd8bdf04253a1c248f17f474e092020-07-01T00:00:00Zhttps://doi.org/10.1038/s41528-020-00081-whttps://doaj.org/toc/2397-4621Abstract Sensor platforms that exploit the fibrous textile threads as substrates offer great promise since they can be directly sewn, woven or stitched on to any clothing. They can also be placed directly in intimate contact with the skin. In this work, we present a thread-based sensing platform in the form of a multiplexed sensing patch for continuous simultaneous on-skin monitoring of sweat. The patch performs real-time, on-body measurements of important biomarkers present in sweat such as electrolytes (sodium and ammonium ions), metabolites (lactate) and acidity (pH). Flexible threads coated with conductive inks were used as sensing electrodes. Selective potentiometric detection of electrolytes and pH was made possible through ion-selective membrane deposition and pH-sensitive polyaniline coating on threads, respectively. An amperometric enzymatic sensing scheme with lactate oxidase was used for the detection of lactate. An array of the thread sensors is integrated onto a patch with connectivity to a miniaturized circuit module containing a potentiostat, microprocessor and wireless circuitry for wireless smartphone readout. Extensive in vitro validation and an in vivo human pilot study involving a maximal exertion test show the promise of this platform for real-time physiological monitoring of human performance/fitness under stress, as well as diagnostic monitoring through sweat analysis.Trupti Terse-ThakoorMeera PunjiyaZimple MatharuBoyang LyuMeraj AhmadGrace E. GilesRachel OwyeungFrancesco AlaimoMaryam Shojaei BaghiniTad T. BrunyéSameer SonkusaleNature PortfolioarticleElectronicsTK7800-8360Materials of engineering and construction. Mechanics of materialsTA401-492ENnpj Flexible Electronics, Vol 4, Iss 1, Pp 1-10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492 Trupti Terse-Thakoor Meera Punjiya Zimple Matharu Boyang Lyu Meraj Ahmad Grace E. Giles Rachel Owyeung Francesco Alaimo Maryam Shojaei Baghini Tad T. Brunyé Sameer Sonkusale Thread-based multiplexed sensor patch for real-time sweat monitoring
description	Abstract Sensor platforms that exploit the fibrous textile threads as substrates offer great promise since they can be directly sewn, woven or stitched on to any clothing. They can also be placed directly in intimate contact with the skin. In this work, we present a thread-based sensing platform in the form of a multiplexed sensing patch for continuous simultaneous on-skin monitoring of sweat. The patch performs real-time, on-body measurements of important biomarkers present in sweat such as electrolytes (sodium and ammonium ions), metabolites (lactate) and acidity (pH). Flexible threads coated with conductive inks were used as sensing electrodes. Selective potentiometric detection of electrolytes and pH was made possible through ion-selective membrane deposition and pH-sensitive polyaniline coating on threads, respectively. An amperometric enzymatic sensing scheme with lactate oxidase was used for the detection of lactate. An array of the thread sensors is integrated onto a patch with connectivity to a miniaturized circuit module containing a potentiostat, microprocessor and wireless circuitry for wireless smartphone readout. Extensive in vitro validation and an in vivo human pilot study involving a maximal exertion test show the promise of this platform for real-time physiological monitoring of human performance/fitness under stress, as well as diagnostic monitoring through sweat analysis.
format	article
author	Trupti Terse-Thakoor Meera Punjiya Zimple Matharu Boyang Lyu Meraj Ahmad Grace E. Giles Rachel Owyeung Francesco Alaimo Maryam Shojaei Baghini Tad T. Brunyé Sameer Sonkusale
author_facet	Trupti Terse-Thakoor Meera Punjiya Zimple Matharu Boyang Lyu Meraj Ahmad Grace E. Giles Rachel Owyeung Francesco Alaimo Maryam Shojaei Baghini Tad T. Brunyé Sameer Sonkusale
author_sort	Trupti Terse-Thakoor
title	Thread-based multiplexed sensor patch for real-time sweat monitoring
title_short	Thread-based multiplexed sensor patch for real-time sweat monitoring
title_full	Thread-based multiplexed sensor patch for real-time sweat monitoring
title_fullStr	Thread-based multiplexed sensor patch for real-time sweat monitoring
title_full_unstemmed	Thread-based multiplexed sensor patch for real-time sweat monitoring
title_sort	thread-based multiplexed sensor patch for real-time sweat monitoring
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/3e18dfd8bdf04253a1c248f17f474e09
work_keys_str_mv	AT truptitersethakoor threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT meerapunjiya threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT zimplematharu threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT boyanglyu threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT merajahmad threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT graceegiles threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT rachelowyeung threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT francescoalaimo threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT maryamshojaeibaghini threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT tadtbrunye threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring AT sameersonkusale threadbasedmultiplexedsensorpatchforrealtimesweatmonitoring
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Thread-based multiplexed sensor patch for real-time sweat monitoring

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