Research Article

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

Table 3

Effect of different solvents on β-sheet formation.

SF/gelatin compositionSolventAbsorption bands (cm−1)
Amide IAmide II

SF/G (1 : 3) without glycerinUntreated1646.31540.1
MeOH1630.01540.1
EtOH1644.21537.7
IPA1630.01536.0
SF/G (1 : 3) with glycerinUntreated1650.41544.2–1548.2
MeOH1630.01536.0
EtOH1638.11536.0
IPA1630.01536.0
SF/G (1 : 1) with glycerinUntreated1625.91536.0–1531.9
MeOH1625.91527.8
EtOH1621.81527.8
IPA1621.81536.0