Table 1.
| Observed SERS Band (cm−1) | Protein | Lipids | Nucleic Acid |
|---|---|---|---|
| 652–658 | Tyr (C–C twist) | ||
| 725–730 | Trp | C–N head group choline (H3C)3N+ | A |
| 785 | PO2 symm | ||
| 827 | RNA backbone | ||
| 850 | Tyr, Pro | ||
| 890 | Structural protein modes of tumors | ||
| 925 | C–C str alpha-helix, Pro, Val | ||
| 960 | CH3 def | CH3 def | |
| 1003 | Phe | ||
| 1030–1032 | CH2CH3 bending modes of lipids | ||
| 1093 | C–N stretch | CC str chain, C–O str | PO2 symm |
| 1128 | C–N str bk | porphyrin | |
| 1170–1172 | Tyr C–H inplane | T | |
| 1210 | C–C6H5 str in phenylalanine tyrosine | ||
| 1243 | Amide III (beta sheet) | ||
| 1267–1270 | Amide III ( random coil) | =CH def | |
| 1319 | CH3 def, collagen | CH3CH2 twist | G |
| 1324 | purine bases of DNA | ||
| 1345 | A, G | ||
| 1370 | sphingoglycolipids | ||
| 1452 | structural protein modes of tumors | ||
| 1458 | A, G | ||
| 1552 | A, G | ||
| 1597–1600 | Phe, Tyr | ||
| 1616–1618 | C≡C str of Tyr and Trp | ||
| 1657–1665 | Amide I | C=C str |