390518.fig.001a
(a)
390518.fig.001b
(b)
390518.fig.001c
(c)
390518.fig.001d
(d)
Figure 1: Scanning electron micrographs of (a) random PLGA, (b) random PLGA-undoped PHT, (c) random PLGA-doped PHT, and (d) aligned PLGA-doped PHT nanofibers.