Fig. 8From: 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 Skeleton of the HUMSCs in the scaffolds; red indicates the cell's skeleton and blue indicates the nucleus (scale bar: 200 μM). b The live/dead staining of HUMSCs after seeding on the scaffolds for 1 days, 4 days and 7 days; green indicates the live cells and red indicates the dead cells (scale bar: 100 μM)Back to article page