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Graphene-hydrogel electrodes stretch to 8,000% and keep their grip through sweat, hair and motion for continuous biosignal monitoring

Researchers from Drexel University and Penn State University have developed a printable hydrogel electrode, reinforced with laser-induced graphene (LIG) and reduced graphene oxide (rGO), that combines an ultralow Young's modulus of 1.08 kPa with roughly 8,000%...