Table 1.
Preliminary assignments of characteristic bands in the FTIR spectra of breast samples
| Peak position (cm-1) | Vibrations | Assignments of substance |
|---|---|---|
| 1743 | v C=O | Lipid |
| 1640 | Amide I band | Protein |
| 1550 | Amide II band | Protein |
| 1460 | δ C-H | Lipid related |
| 1400 | δ C-H, δ C-O-H | Lipid related |
| 1300 | δ C-H, δ C-O-H, Amide III band | Undetermined |
| 1250 | v as, PO2 - | Nucleic acid related |
| 1160 | v C-O, δ C-O-H, δ C-O-C | Carbohydrate related |
| 1080 | v s , PO2 - | Nucleic acid related |
| 1040 | v C-O, δ C-O-H, δ C-H | Carbohydrate related |
v, stretching vibration; δ, bending vibration; vas, asymmetric stretching vibration; v s, symmetric stretching vibration.