Figure 13
From: Biodegradable CSMA/PECA/Graphene Porous Hybrid Scaffold for Cartilage Tissue Engineering

Safranin-O staining of cartilage repair in (A, D, G) blank group, (B, E, H) scaffolds group and (C, F, I) scaffolds + cells group at postoperative (A, B, C) 6 weeks, (D, E, F) 12 weeks and (G, H, I) 18 weeks. (Original magnification × 100; RC: repaired cartilage, HC: host cartilage.) Note: the arrows point to the repair interface.