Affiliation:
1. School of Electronic Information and Electrical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
2. School of Electronic Information and Electrical Engineering Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument Shanghai Jiao Tong University Shanghai 200240 P. R. China
3. School of Electronic Information and Electrical Engineering Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education Shanghai Jiao Tong University Shanghai 200240 P. R. China
4. School of Biomedical Engineering Institute for Personalized Medicine Shanghai Jiao Tong University Shanghai 200030 P. R. China
Abstract
AbstractFresh sweat contains a diverse range of physiological indicators that can effectively reflect changes in the body. However, existing wearable sweat detection systems face challenges in efficiently collecting and detecting fresh sweat in real‐time. Additionally, they often lack the necessary deformation capabilities, resulting in discomfort for the wearer. Here, a fully elastic wearable electrochemical sweat detection system is developed that integrates a sweat‐collecting microfluidic chip, a multi‐parameter electrochemical sensor, a micro‐heater, and a sweat detection elastic circuit board system. The unique tree‐bionic structure of the microfluidic chip significantly enhances the efficiency of fresh sweat collection and discharge, enabling real‐time detection by the electrochemical sensors. The sweat multi‐parameter electrochemical sensor offers high‐precision and high‐sensitivity measurements of sodium ions, potassium ions, lactate, and glucose. The electronic system is built on an elastic circuit board that matches perfectly to wrinkled skin, ensuring improved wearing comfort and enabling multi‐channel data sampling, processing, and wireless transmission. This state‐of‐the‐art system represents a significant advancement in the field of elastic wearable sweat detection and holds promising potential for extending its capabilities to the detection of other sweat markers or various wearable applications.
Funder
National Natural Science Foundation of China
Science and Technology Commission of Shanghai Municipality
Subject
Biomaterials,Biotechnology,General Materials Science,General Chemistry
Cited by
9 articles.
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