519516.fig.005a
(a)
519516.fig.005b
(b)
519516.fig.005c
(c)
519516.fig.005d
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519516.fig.005e
(e)
Figure 5: SEM images (×5000) of electrospun fibers made of PVA/BS solution (9 : 1) with various combinations of electric field and syringe flow of (a) 0.6 kV/cm-1.0 mL/h, (b) 0.8 kV/cm-0.5 mL/h, (c) 0.8 kV/cm-1.00 mL/h, (d) 1 kV/cm-0.75 mL/h, and (e) 1.4 kV/cm-0.5 mL/h. Scale bar: 10 μm.