Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 31, Issue 12, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202008130
Keywords
flexible electronics; functional materials; human health monitoring; sweat sensing; wearable sensors
Categories
Funding
- National Natural Science Foundation of China [U1662114]
- National Key Research and Development Program of China [2018YFF0215002]
- Independent Innovation Research Fund of Huazhong University of Science and Technology [2017KFYXJJ164]
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2020R1A5A1018052]
- National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2019R1A2C2085177]
- MOTIE (Ministry of Trade, Industry, and Energy) in Korea under the Fostering Global Talents for Innovative Growth Program [P0008746]
- National Research Foundation of Korea [2019R1A2C2085177] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Sweat sensors have great potential for on-body health monitoring, but they are hindered by challenges such as high materials costs and complex technology.
Human sweat contains vast physiological information, which has been a promising resource for on-body and real-time health monitoring. Wearable sweat sensors have recently attracted an ever-increasing interest due to their promising capabilities for continuously tracking changes in health status. However, the commercialization of sweat sensors is seriously hindered by drawbacks of materials including high manufacturing and consumables costs, complex integration technology, as well as limited electrochemical signal transduction. In this review, sweat sensing principles are elaborately interpreted, and the latest advances in functional materials for biomarkers sensing in sweat are systematically summarized. Subsequently, the complex structure-activity relationships between various functional materials and sensing capabilities are further elucidated by coupling chemical structures, geometrics, electrochemical properties, and approaches for materials manufacturing. Furthermore, the integration of each component into sensing device for sweat detection and analysis is also discussed. Finally, challenges and opportunities for wearable sweat sensors are delineated in the development of future personalized and predictive healthcare.
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