Fig. 5From: 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 SEM images of CM and ECM. b SEM images of CS/CMC/MMT, CS/CMC/MMT-CM, CS/CMC/MMT-EGCG and CS/CMC/MMT-ECM scaffolds. The inset shows a SEM image at 200× and 600× magnificationBack to article page