209049.fig.001a
(a)
209049.fig.001b
(b)
209049.fig.001c
(c)
209049.fig.001d
(d)
209049.fig.001e
(e)
Figure 1: SEM micrographs of PCL fibers with 7.5% (w/v) at (a) 10 cm and (b) 15 cm tip-collector distance while 12.5% w/v at (c) 15 kV, 3 mL/h and (d) 22 kV, 1.5 mL/h; (e) FESEM micrograph of bead defect at 7.5% w/v PCL.