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Abstract

Wearable Sensor for Real-Time Monitoring of Electrolytes in Sweat †

1
Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Dublin 9 D09 Y5N0, Ireland
2
ARC Centre of Excellence for Electromaterials Science, University of Wollongong, Wollongong NSW 2522, Australia
3
Shimmer, DCU Alpha, Old Finglas Rd, Glasnevin, Dublin 11 D11 KXN4, Ireland
*
Author to whom correspondence should be addressed.
Presented at the 5th International Symposium on Sensor Science (I3S 2017), Barcelona, Spain, 27–29 September 2017.
Proceedings 2017, 1(8), 724; https://doi.org/10.3390/proceedings1080724
Published: 22 November 2017
The measurement of sweat electrolytes has a number of important applications including monitoring the performance of athletes [1] and providing information on medical conditions such as cystic fibrosis [2]. Herein we present on a wearable non-invasive electrochemical-sensing platform for the detection of different electrolytes in sweat. The platform accesses sweat emerging through the skin during exercise, which is drawn across the sensors by capillary action to a highly adsorbent material reservoir. The sweat electrolyte composition is accessed via integrated solid-state ion-selective electrodes that can track their concentration in real time. The sensor data is digitised, stored locally, and subsequently transmitted via Bluetooth to a laptop. The platform design and fluidics have been optimised through several iterations using rapid prototyping technologies such as 3D printing. Results obtained during on body trials over a period of exercise are consistent with previously published data [3] on the use of wearable sensors for the real time monitoring of electrolytes levels in sweat.

Conflicts of Interest

The authors declare no conflict of interest.

References

  1. Glennon, T.; O’Quigley, C.; McCaul, M.; Matzeu, G.; Beirne, S.; Wallace, G.G.; Stroiescu, F.; O’Mahoney, N.; White, P.; Diamond, D. ‘SWEATCH’: A Wearable Platform for Harvesting and Analysing Sweat Sodium Content. Electroanalysis 2016, 28, 1283–1289. [Google Scholar] [CrossRef]
  2. Lynch, A.; Diamond, D.; Leader, M. Point-of-need diagnosis of cystic fibrosis using a potentiometric ion-selective electrode array. Analyst 2000, 125, 2264–2267. [Google Scholar] [CrossRef] [PubMed]
  3. Gao, W.; Emaminejad, S.; Nyein, H.Y.Y.; Challa, S.; Chen, K.; Peck, A.; Fahad, H.M.; Ota, H.; Shiraki, H.; Kiriya, D.; et al. Fully integrated wearable sensor arrays for multiplexed in situ perspiration analysis. Nature 2016, 529, 509–514. [Google Scholar] [CrossRef] [PubMed]
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MDPI and ACS Style

McCaul, M.; Porter, A.; Glennon, T.; Barrett, R.; Beirne, S.; Wallace, G.G.; White, P.; Stroiescu, F.; Diamond, D. Wearable Sensor for Real-Time Monitoring of Electrolytes in Sweat. Proceedings 2017, 1, 724. https://doi.org/10.3390/proceedings1080724

AMA Style

McCaul M, Porter A, Glennon T, Barrett R, Beirne S, Wallace GG, White P, Stroiescu F, Diamond D. Wearable Sensor for Real-Time Monitoring of Electrolytes in Sweat. Proceedings. 2017; 1(8):724. https://doi.org/10.3390/proceedings1080724

Chicago/Turabian Style

McCaul, Margaret, Adam Porter, Tom Glennon, Ruairi Barrett, Stephen Beirne, Gordon G. Wallace, Paddy White, Florin Stroiescu, and Dermot Diamond. 2017. "Wearable Sensor for Real-Time Monitoring of Electrolytes in Sweat" Proceedings 1, no. 8: 724. https://doi.org/10.3390/proceedings1080724

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