Table 8.
Peak position and assignment of demineralized areas of the mixed carcinoma (sample #3).
| Peaks (cm−1) | Major Assignment | |
|---|---|---|
| This Work | Literature [34,39] | |
| 475 | 477 | Polysaccharides, amylose, amylopectin |
| 558 | 558 | Silica dioxide |
| 785 | 785 | U, T, C (ring breathing modes in the DNA/RNA bases); Backbone O-P-O |
| 1096 | 1096 | ) groups |
| 1322 | 1322 | CH3CH2 twisting, collagen; CH3/CH2 twisting and wagging in collagen; CH3CH2 deforming modes of collagen and nucleic acids |
| 1450 | 1450 | CH2 bending mode in malignant tissues; Bending modes of methyl groups (one of vibrational modes of collagen); Methylene deformation in biomolecules; CH2 deformation in IDC breast tissue; C-H deformation peaks (CH functional groups in lipids, amino acids side chains of the proteins and carbohydrates); δ(C-H); CH2 bending (proteins) |
| 1673 | 1673 | Amide I |
| 2420 | - | Not reference found |
| 2852 | 2850 | νs CH2, lipids, fatty acids; CH2 symmetric |
| 2882 | 2883 | CH2 asymmetric stretch of lipids and proteins |
| 2937 | 2940 | C-H vibrations in lipids & proteins; νas CH2, lipids, fatty acids |