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Real-time Analysis of Electrolytes in Sweat Through a Wearable Sensing Platform

1
Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland
2
Shimmer, DCU Alpha, Old Finglas Rd, Glasnevin, Dublin 11, D11 KXN4, Ireland
3
ARC Centre of Excellence for Electromaterials Science, University of Wollongong, Wollongong NSW 2522, Australia
*
Author to whom correspondence should be addressed.
Presented at the 7th International Symposium on Sensor Science, Napoli, Italy, 9–11 May 2019.
Proceedings 2019, 15(1), 14; https://doi.org/10.3390/proceedings2019015014
Published: 8 July 2019
(This article belongs to the Proceedings of 7th International Symposium on Sensor Science)
PDF [348 KB, uploaded 8 July 2019]

Abstract

The field of biochemical sensing is evolving from the use of bulky apparatuses to the development of miniaturized systems allowing personal sensing and point of care analysis. We report a wearable platform capable of measuring the concentration of multiple electrolytes in sweat (Na+, K+, Cl). The platform accesses sweat emerging through the skin, drawing it across solid-state ion-selective electrodes by capillary action. The electrolyte composition is monitored in real time by potentiometry. The sensor data is digitised and transmitted via Bluetooth to a mobile phone or laptop. The platform has been employed in on-body trials during controlled exercise.
Keywords: wearable sensors; ion-sensitive electrodes; sweat electrolytes; personal sensing; solid-state electrodes; fluidics wearable sensors; ion-sensitive electrodes; sweat electrolytes; personal sensing; solid-state electrodes; fluidics
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Pirovano, P.; Shinde, A.; White, P.; Wallace, G.; McCaul, M.; Diamond, D. Real-time Analysis of Electrolytes in Sweat Through a Wearable Sensing Platform. Proceedings 2019, 15, 14.

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