294679.fig.001a
(a)
294679.fig.001b
(b)
294679.fig.001c
(c)
294679.fig.001d
(d)
Figure 1: Scanning electron micrograph (SEM) of the synthesized microspheres: (a) magnified image of chitosan microsphere, (b) chitosan microspheres, (c) magnified image of gelatin microspheres, and (d) gelatin microspheres, (magnification: (a) 2500x; (b) 8000x; (c) 5000x; (d) 1160x).