Table 1 Significant Raman bands among calculated band component analysis and their tentative assignments.
From: Atrial fibrillation designation with micro-Raman spectroscopy and scanning acoustic microscope
Raman shift (cm-1) | Normalized Raman intensity (a.u.) *103 | Tentative assignments | ||
|---|---|---|---|---|
Group1 | Group2 | Group3 | ||
817 | 9.2 ± 3.2 | 2.6 ± 5.3 | 7.2 ± 3.3 | \(\nu\)(C-C) Protein backbone29 |
853 | 9.6 ± 4.7 | 3.6 ± 6.3 | 6.7 ± 4.8 | Proline of collagen30 |
938 | 14.6 ± 5.2 | 1.7 ± 4.0 | 8.5 ± 3.4 | C-H out-of-plane vibration (Collagen type I or tyrosine), \(\nu\)(C-C)31,32 |
1060 | 25.9 ± 6.7 | 70.9.1 ± 15.1 | 39.8 ± 8.3 | \(\nu\)(C-C) Fatty acids33 |
1120 | 6.9 ± 0.4 | 39.4 ± 1.4 | 17.9 ± 1.4 | \(\nu\)(C-C) Fatty acids33 |
1438 | 10.2 ± 8.0 | 59.1 ± 31.4 | 23.3 ± 13.4 | HCC(out of plane), Proline31 |
1623 | 17.4 ± 1.4 | 18.7 ± 1.0 | 15.1 ± 1.4 | Amide I \(\beta\) sheet34 |
1676 | 6.8 ± 2.7 | 9.5 ± 3.1 | 8.7 ± 3.1 | Amide I \(\beta\) sheet35 |