Preparation of Polysaccharide-Based Microspheres by a Water-in-Oil Emulsion Solvent Diffusion Method for Drug Carriers
Figure 4
SEM images of drug-loaded microspheres of (a) 15 kDa chitosan, (b) 100 kDa chitosan, (c) potato starch, and (d) alginate. Bars = 20 m for (a) and (c), and 50 m for (b) and (d).