Table 1.
Part A. Raman band center wavenumber (BCW) and relative intensity (RI). | |||||||||
---|---|---|---|---|---|---|---|---|---|
Groups | Phospate ν1 |
Proline and Hydroxyproline |
Phenylalanine |
Carbonate |
Subbands in amide I region |
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BCW (cm−1) | RI (a.u.) | BCW (cm−1) | RI (a.u.) | BCW (cm−1) | RI (a.u.) | BCW (cm−1) | BCW (cm−1) | RI (a.u.) | |
Control | 957.99±0.01 | 17.43±0.22 | 853.09±0.07 874.28 ±0.09 |
1.84±0.11 | 1001.48±0.05 | 0.23±0.02 | 1070.74±0.15 | 1665.14±0.63 1685.61±0.40 |
1.27±0.38 0.50±0.18 |
XRT | 958.26±0.06 | 17.55±0.17 | 852.64±0.39 873.63±0.79 |
1.66±0.08 | 1001.50±0.03 | 0.21±0.02 | 1070.60±0.21 | 1665.89±0.69 1686.73±0.56 |
1.09±0.31 0.30±0.11 |
AMF-XRT | 958.05±0.05 | 17.19±0.22 | 852.92±0.10 874.07±0.24 |
1.71±0.07 | 1001.59±0.16 | 0.21±0.02 | 1070.74±0.15 | 1666.32±0.13 1686.45± 0.54 |
1.20±0.28 0.33±0.12 |
Part B. Derived spectroscopic parameters. | |||||
---|---|---|---|---|---|
Groups | Mineral crystallinity FWHM ν1 (958 cm−1) |
Carbonate/phosphate 1070 cm−1/958 cm−1 |
Phosphate/phenylalanine 958 cm−1/1002 cm−1 |
Phosphate/(proline and hydroxyproline) 958 cm−1/(854+873) cm−1 |
Collagen cross-link (matrix maturity) 1665 cm−1/1685 cm−1 |
Control | 17.21±0.08 | 0.21±0.01 | 76.16±6.49 | 9.51±0.51 | 2.83±1.30 |
XRT | 17.10±0.09 | 0.19±0.01 | 85.66±7.36 | 10.62±0.51 | 4.12±2.03 |
AMF-XRT | 17.23±0.09 | 0.21±0.01 | 81.44±5.80 | 10.07±0.39 | 4.08±1.77 |