Mussel-inspired PAM–PDA/Ga 3+ hydrogels with antibacterial, adhesive and self-healable properties for wearable strain sensors

An integrated multifunctional polyacrylamide–polydopamine/gallium( iii ) (PAM–PDA/Ga 3+ ) hydrogel with antibacterial, adhesive, and self-healing capabilities has been developed for wearable strain sensors.