Table 2.
The assignments of the different peaks in the Raman spectra
| Raman shift (cm−1) | Peak assignment |
|---|---|
| 294–296 | Au-S band |
| 543–548 | S-S disulfide stretching in proteins |
| 723–727 | Hypoxanthine |
| 744–747 | Thymine in DNA |
| 933 | C-C stretching mode, C-C α-helix in proteins |
| 1,084 | C-C band in lipids |
| 1,094 | C-C stretch in lipids |
| 1,261–1,264 | CH bending in lipids |
| 1,326–1,329 | CH vibration in DNA/RNA, CH2 twisting in lipids |
| 1,368–1,373 | Guanine in DNA, tryptophan in proteins |
| 1,441–1,445 | CH2, CH3 bending in proteins and lipids |
| 1,541–1,542 | C-N stretching, Amide II |
| 1,586 | C-C stretch in phenylalanine or acetoacetic acid |
| 1,602–1,607 | C=C band in phenylalanine or tyrosine |
| 1,698–1,699 | Amide I |