Table 1.
Assignment of vibrational lines in the EBN Raman spectrum
| Raman shift (cm−1) | Contributor | Assignments |
|---|---|---|
| 1671 (s) | Peptide | Amide I band |
| 1613 (m) | Peptide | C=C stretching of Phe and Tyr |
| 1606 (m) | Peptide | C=C stretching of Phe and Tyr |
| 1585 (w) | Peptide | In plane stretching of Phe |
| 1551 (w) | Saccharide | C=C stretching of saccharides |
| 1446 (s) | Peptide | C–H deformation (proteins) |
| 1374 (w) | Saccharide | Neu5Ac C–C vibration |
| 1332 (w) | Saccharide | C–C or C–N bond stretching (GalNAc, GlcNA) |
| 1262 (m) | Peptide | α-Helix amide III band |
| 1241 (s) | Peptide | β-Sheets, random coil Amide III |
| 1208 (m) | Peptide | C–C6H5 stretching of Phe and Tyr |
| 1153 (w) | Peptide | C–H deformation of Phe |
| 1127 (w) | Peptide | C–N bond stretching (proteins) |
| 1084 (m) | Saccharide | C–C or C–O bond stretching (GalNAc, GlcNAc) |
| 1033 (s) | Peptide | C–H in-plane vibration of Phe |
| 1003 (vs) | Peptide | Phe ring vibration |
| 940 (w) | Peptide | α-Helix C–C vibration |
| 877 (s) | Saccharide | GalNAc, GlcNAc |
| 853 (s) | Peptide | Tyr Fermi doublet |
| 829 (s) | Peptide | Tyr Fermi doublet |
| 757 (m) | Peptide | Phenyl ring breathing mode |