Design and Characterization of a Silk-Fibroin-Based Drug Delivery Platform Using Naproxen as a Model Drug

Table 2

FT-IR analysis of partially hydrolyzed SF in blends with gelatin.

	Amide I (cm^−1)	Amide II (cm^−1)
Pure SF Films
2 kDa SF	1620	—
14 kDa SF	1624	1520
100 kDa SF	1625	1519
SF/gelatin blends
2 kDa SF (1.8%)	1636	1542
12 kDa SF (0.9%)	1632	1540
100 kDa SF (1.4%)	1625	1538