Core–Sheath Braided Yarn-Based Wearable Bioelectronics for Sweat Capture and Multimodal Sensing

Le résumé fourni par la source

Breathable and comfortable wearable biosensing textiles capable of detecting multiple biomarkers in human sweat offer a promising approach to continuous health monitoring in daily life. Current wearable flexible electrochemical textiles face limitations in multibiomarker integration and often require large surface areas and excessive sweat volumes to activate the sensors. Here, we report a highly integrated sweat sensor based on a multifunctional core-sheath sensor, which integrates multiple electrodes in a three-dimensional spatially isolated manner in a single yarn through an improved braiding process, drives the directional flow of sweat based on the synergistic action of wettability gradient and yarn structure to significantly shorten the transmission path, and enhances the mechanical strength and dynamic deformation stability of the sensor through a helix-crossing braiding structure. The combination of high sensitivity and comfort provides a new idea for the mass production of low-cost, multiparameter health monitoring devices.

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