Fig. 3From: Proangiogenic alginate-g-pyrrole hydrogel with decoupled control of mechanical rigidity and electrically conductivityThe electrical conductivity of alginate-g-pyrrole (red circle) and PEG (■) gels with varied cross-linking densities in DI water (a), PBS (b), and 10× PBS (c). d The normalized electrical conductivity of alginate methacrylate gels with varied cross-linking densities in PBSBack to article page