Table 4 Infrared band assignment of silk sericin and SS-capped AgNPs
From: Green synthesis of silk sericin-capped silver nanoparticles and their potent anti-bacterial activity
IR band (cmā1) | Band assignment |
|---|---|
1,700 to 1,600 | Amide I (Cā=āO stretching vibration) |
1,560 to 1,500 | Amide II (N-H bending and C-N stretching vibration) |
1,300 to 1,200 | Amide III (C-N-H in-plane bending and C-N stretching vibration) |
1,451, 1,404, 1,353 | Free carboxylate groups (COOā stretching vibration) |
830 | Amine salt |