Preparation of Biodegradable Silk Fibroin/Alginate Blend Films for Controlled Release of Antimicrobial Drugs

Figure 3

SEM micrographs of surfaces of drug-loaded blend films with SF/alginate blend ratios of (a) 0/1, (b) 1/1, (c) 2/1, (d) 4/1, (e) 8/1, and (f) 1/0 (w/w). All bars = 1 μm.

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