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 composition | Solvent | Absorption bands (cm−1) | Amide I | Amide II |
| SF/G (1 : 3) without glycerin | Untreated | 1646.3 | 1540.1 | MeOH | 1630.0 | 1540.1 | EtOH | 1644.2 | 1537.7 | IPA | 1630.0 | 1536.0 | SF/G (1 : 3) with glycerin | Untreated | 1650.4 | 1544.2–1548.2 | MeOH | 1630.0 | 1536.0 | EtOH | 1638.1 | 1536.0 | IPA | 1630.0 | 1536.0 | SF/G (1 : 1) with glycerin | Untreated | 1625.9 | 1536.0–1531.9 | MeOH | 1625.9 | 1527.8 | EtOH | 1621.8 | 1527.8 | IPA | 1621.8 | 1536.0 |
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