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Review

Comprehensive Review on Wearable Sweat-Glucose Sensors for Continuous Glucose Monitoring

1
Faculty of Technical Sciences, University of Novi Sad, T. Dositeja Obradovića 6, 21000 Novi Sad, Serbia
2
Computer Science Department, University Politehnica of Bucharest, 060042 Bucharest, Romania
3
DIIES Department, Mediterranea University of Reggio Calabria, 89100 Reggio Calabria, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Roozbeh Ghaffari
Sensors 2022, 22(2), 638; https://doi.org/10.3390/s22020638
Received: 16 November 2021 / Revised: 16 December 2021 / Accepted: 31 December 2021 / Published: 14 January 2022
(This article belongs to the Special Issue Smart Sensors for Wearable Applications)
The incidence of diabetes is increasing at an alarming rate, and regular glucose monitoring is critical in order to manage diabetes. Currently, glucose in the body is measured by an invasive method of blood sugar testing. Blood glucose (BG) monitoring devices measure the amount of sugar in a small sample of blood, usually drawn from pricking the fingertip, and placed on a disposable test strip. Therefore, there is a need for non-invasive continuous glucose monitoring, which is possible using a sweat sensor-based approach. As sweat sensors have garnered much interest in recent years, this study attempts to summarize recent developments in non-invasive continuous glucose monitoring using sweat sensors based on different approaches with an emphasis on the devices that can potentially be integrated into a wearable platform. Numerous research entities have been developing wearable sensors for continuous blood glucose monitoring, however, there are no commercially viable, non-invasive glucose monitors on the market at the moment. This review article provides the state-of-the-art in sweat glucose monitoring, particularly keeping in sight the prospect of its commercialization. The challenges relating to sweat collection, sweat sample degradation, person to person sweat amount variation, various detection methods, and their glucose detection sensitivity, and also the commercial viability are thoroughly covered. View Full-Text
Keywords: biosensor; diabetes; hypoglycemia; sweat based sensing; wearable electronics; non-invasive glucose monitoring biosensor; diabetes; hypoglycemia; sweat based sensing; wearable electronics; non-invasive glucose monitoring
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MDPI and ACS Style

Zafar, H.; Channa, A.; Jeoti, V.; Stojanović, G.M. Comprehensive Review on Wearable Sweat-Glucose Sensors for Continuous Glucose Monitoring. Sensors 2022, 22, 638. https://doi.org/10.3390/s22020638

AMA Style

Zafar H, Channa A, Jeoti V, Stojanović GM. Comprehensive Review on Wearable Sweat-Glucose Sensors for Continuous Glucose Monitoring. Sensors. 2022; 22(2):638. https://doi.org/10.3390/s22020638

Chicago/Turabian Style

Zafar, Hima, Asma Channa, Varun Jeoti, and Goran M. Stojanović. 2022. "Comprehensive Review on Wearable Sweat-Glucose Sensors for Continuous Glucose Monitoring" Sensors 22, no. 2: 638. https://doi.org/10.3390/s22020638

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