Research Article

Effects of Genipin Concentration on Cross-Linked Chitosan Scaffolds for Bone Tissue Engineering: Structural Characterization and Evidence of Biocompatibility Features

Figure 4

Comparison of contact angle on non-cross-liked CS and genipin cross-linked CS gels, GN1 and GN2 ((b) and (c), resp.); ; error bars represent mean value ± standard deviation ().