Research Article

Fabrication of Microfibrous and Nano-/Microfibrous Scaffolds: Melt and Hybrid Electrospinning and Surface Modification of Poly(L-lactic acid) with Plasticizer

Figure 4

SEM images of the melt electrospun PLA fibers with different PEG contents: (a) PLA/PEG (100/0), (b) PLA/PEG (95/5), (c) PLA/PEG (90/10), and (d) PLA/PEG (80/20).
309048.fig.004a
(a)
309048.fig.004b
(b)
309048.fig.004c
(c)
309048.fig.004d
(d)