Research Article
Composite Hydrogel of Poly(acrylamide) and Starch as Potential System for Controlled Release of Amoxicillin and Inhibition of Bacterial Growth
Figure 7
SEM micrographs of cross-sections of PAAm/starch dry hydrogels (50/50): (a) drug-free composite hydrogel at 50 μm; (b) drug-free composite hydrogel at 10 μm; (c) amoxicillin-loaded composite hydrogel at 50 μm; (d) amoxicillin-loaded composite hydrogel at 500 μm.