Soft wearable/implantable bioelectronic systems capable of monitoring electrophysiological signals evoked by external mechanical/optical/electrical stimuli and delivering the feedback information have been considered essential functional components in realizing the future closed-loop prostheses. Despite such significant progress, materials fatigue and the corresponding electrical malfunction issues remain challenging due to the lack of optimal materials/fabrication/integration/system strategies that simultaneously meet tissue-device stiffness matching, electrical/mechanical durability, biocompatibility, uniformity, reproducibility, and even instantaneous tissue adhesion. Herein, we describe optimal materials design strategies and device fabrication/integration technologies for the three different kinds of intrinsically stretchable prosthetic bioelectronics. Using tissue-interfacing bioelectronic devices based on the self-healing, tissue-adhesive, and stretchable materials, we successfully demonstrated the various sutureless neural/muscular tissue prostheses.
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