Acylation Modification of Antheraea pernyi Silk Fibroin Using Succinic Anhydride and Its Effects on Enzymatic Degradation Behavior

Figure 7

SEM images of scaffolds incubated in the enzymatic solution for 0, 6, and 18 days (a) unmodified; (b) modified (Scale bars = 500 μm).

(a)

(b)