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Near the ion-balance point, hybrid DN hydrogels with enhanced strengths were achieved compared to the unmodified PNaAMPS/polyacrylamide (PAM) DN hydrogel. Synchrotron radiation small-angle X-ray scattering (SAXS) analyses were performed on the DN hydrogels.
Biomimetic hydrogels with triple networks have been developed via in situ polymerization and addition of graphene oxide (GO) nanosheets, which achieve improved toughness and superior fatigue resistance, simultaneously. Compared with pristine calcium alginate/polyacrylamide double network (DN) hydrogels, the integration of a calcium-induced graphene oxide network enhances the crosslinking
