Table 1 Main Raman peak assignments from literature refs 65,66,67.
Position (cm−1) | Component |
|---|---|
520 | Phosphatidyinositol |
524 | Phosphatidylserine |
537 | Cholesterol ester |
540 | Glucose-saccharide band |
596 | Phosphatidylinositol |
701–703 | Cholesterol ester |
720–820 | Nucleic acids |
752–760 | Tryptophan |
840–860 | Polysaccharide structure |
941 | Polysaccharide structure |
995 | C-O band of ribose |
1003 | Phenylalanine |
1048 | Glycogen |
1054 | C-O and C-N stretching of proteins |
1060–1095 | C-C vibrations of lipids and carbohydrates |
PO2 − stretching of nucleic acids | |
1120 | C-O band of ribose; carotenoids |
1127 | C-N stretching of proteins; ceramides |
1200–1300 | Amide III |
1230–1240 for β-sheets; 1260–1300 for α-helix | |
1298 | Fatty acids |
1336 | CH3CH2 wagging mode of polynucleotide chain (purine bases) |
1337 | Tryptophan; Glycine backbone and Proline side chain |
1357; 1361 | Guanine |
1360 | Tryptophan |
1420–1480 | CH functional groups of nucleic acids, proteins and lipids |
1520–38 | Carotenoids |
1555–1558 | Tryptophan |
1716–1740 | C=O group |
2853–2881 | CH2 symmetric and asymmetric stretches of lipids |
2910 | CH 3 stretching vibrations |
2940 | CH and CH 2 in lipids and proteins |
