Fig. 7From: The chitosan/carboxymethyl cellulose/montmorillonite scaffolds incorporated with epigallocatechin-3-gallate-loaded chitosan microspheres for promoting osteogenesis of human umbilical cord-derived mesenchymal stem cella The HUMSCs viability in the scaffolds after 48 h observed by MMT assay. b The HUMSCs proliferation in different scaffolds. *P < 0.05, **P < 0.01 and ***P < 0.001Back to article page