Research Article

Composite Hydrogel of Poly(acrylamide) and Starch as Potential System for Controlled Release of Amoxicillin and Inhibition of Bacterial Growth

Figure 6

SEM micrographs of cross-sections of PAAm/starch hydrated hydrogels: (a) 100/0 at 200 μm; (b) 100/0 at 20 μm; (c) 50/50 at 200 μm; (d) 50/50 at 20 μm.