Fabrication and Characteristics of Chitosan Sponge as a Tissue Engineering Scaffold
Figure 2
Cross-sectional SEM images of chitosan scaffolds (CS) made with different concentrations after incubation in a PBS solution at 37°C for 4 weeks (×100). (a): 1 wt% CS; (b): 2 wt% CS; (c): 4 wt% CS; (d): MedGel (containing gelatin, used as a control).
