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

Figure 2

FTIR spectra 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).