209049.fig.002a
(a)
209049.fig.002b
(b)
209049.fig.002c
(c)
209049.fig.002d
(d)
Figure 2: SEM micrograph of 10% HA in 7.5% (w/v) of nHA/ PCL fibers at (a) 1 mL/h and 22 kV; FESEM micrographs at 22 kV and flow rates of (b) 3 mL/h, (c) 2 mL/h, and (d) 1 mL/h, respectively.