Research Article
Fabrication of an Original Transparent PVA/Gelatin Hydrogel: In Vitro Antimicrobial Activity against Skin Pathogens
Table 2
Main FTIR spectral assignments in the prepared hydrogels.
| Hydrogel | Wave number (cm-1) | Peak intensity | Nature of bond(s) | Spectral assignment # |
| HG | 3615 | Low | O—H | 1 | 3222 | Low | H—H | 2 | 1730 | Low | C=O | 5 | 1443 | Medium | C—H | 7 |
| HE | 3291 | Low | —NH3+ | 1 | 1652 | Strong | C=O and NH2 | 6 | 1087 | Low | C—O | 11 | 943 | Strong | CH2 | 12 |
|
|