Figure 2.
SEM images of microtubes of silk fibroin and silk fibroin/PEO blends: (A) silk fibroin, (B) 99/1 wt %, (C) 98/2 wt %, (D) 90/10 wt %, (E) 80/20 wt % (silk fibroin/PEO).
SEM images of microtubes of silk fibroin and silk fibroin/PEO blends: (A) silk fibroin, (B) 99/1 wt %, (C) 98/2 wt %, (D) 90/10 wt %, (E) 80/20 wt % (silk fibroin/PEO).