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Schematic description of stretchable Alg-PAM-CMC conductive hydrogel. (a,b) Chemical structures of carboxyl cellulose (CMC), alginate (Alg), acrylamide (AAm), polyacrylamide (PAM), and silver flake (AgF) (a) and Alg-CMC-PAM-AgF composite-based conductive hydrogel (b). (c) Illustration describes the network structure of Alg-CMC-PAM conductive hydrogel. Macroscopic images show the flexibility (c, (i)) and stretchability (c, (ii)).
