Fabrication of Silk Nanofibres with Needle and Roller Electrospinning Methods

Figure 6

SEM micrographs of silk electrospun fibres prepared by needle electrospinning from silk fibroin (12 wt%) at (a) 35 kV, (b) 40 kV, (c) 45 kV, and (d) 50 kV.

(a)

(b)

(c)

(d)