Biocompatible piezoionic eutectogel sensor for self-powered physiological monitoring
Piezoionics holds promise for self-powered bioelectronics, yet existing hydrogel and elastomer systems are often limited by poor biocompatibility, environmental instability, and low output. Here, we report a biocompatible deep eutectic solvent-polyvinyl alcohol (DES-PVA) eutectogel featuring a robust piezoionic res...