Preparation and Characterization of Solid Dispersions of Artemether by Freeze-Dried Method

Figure 5

SEM of ARTM (a), physical mixture of group-1 (b), freeze-dried mixture of group-1 (c), physical mixture of group-2 (d), freeze-dried mixture of group-2 (e), physical mixture of group-3 (f), and freeze-dried mixture of group-3 (g).

(a)

(b)

(c)

(d)

(e)

(f)

(g)