Authors
Jinbin Xu, Xiaoliang Chen, Yujiao Wang, Yizhuo Luo, Yahui Chen, Xingliao Zhou, Juan He, Qi Chen, Xiaohao Ma, Jian Lv, Chunhui Wang, Hongmiao Tian, Xiangming Li, Jinyou Shao
Published in
Advanced materials (Deerfield Beach, Fla.). Pages e74957. Sep 10, 2026. Epub Sep 10, 2026.
Abstract
Wearable bioelectronics are essential for continuous health monitoring and rehabilitation, yet existing soft electrodes often lose signal fidelity during prolonged dynamic wear because surface-confined ion-electron transduction offers limited electrochemically addressable volume and charge-buffering capacity. Here, we report a mixed ionic-electronic transduction layer (PGWL) that addresses these limitations through volumetric charge compensation. By maintaining ionic accessibility and electronic continuity within the mixed-conducting network, PGWL supports a stable bulk-engaged ion-electron transduction mode, thereby lowering interfacial impedance while enhancing charge-buffering capability against perturbations. Integrated with a body-temperature-activated biogel for adaptive viscoelastic adhesion and a breathable nanofibrous substrate, the electrode preserves signal integrity under sweat and mechanical interference, achieving a signal-to-noise ratio (SNR) of 30-36 dB with signal variations within 5%. We demonstrate high-fidelity surface electromyography for monitoring weak neuromuscular signals during post-stroke rehabilitation and long-term electrocardiography (ECG) monitoring, establishing PGWL as a modular transduction layer for functionally integrated, high-fidelity wearable bioelectronics.
PMID:
42723199
Bibliographic data and abstract were imported from PubMed on 11 Sep 2026.
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