Fig. 14From: Fabrication and characterization of PHEMA–gelatin scaffold enriched with graphene oxide for bone tissue engineeringALP activity of the hBM-MSCs cultured on control groups and scaffolds after 7, 14, and 21 days, (****p values < 0.0001 compared to other groups, ** = significant difference compared to PHEMA–Gel-2 (p value < 0.01)Back to article page