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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: J Biophotonics. 2018 May 6;11(8):e201700352. doi: 10.1002/jbio.201700352

Table 1:

The summary of comparison of HPLC, Florescence AGE assay and Raman parameters across ribose-incubated groups. Significant p-values are in bold. N.S.: not significant.

Parameters Glycation Treatment
Ribose
R-Control R-0.1 M R-0.5 M R-Control vs. R-0.1 M R-Control vs. R-0.5 M R-0.1 M vs. R-0.5 M
HPLC Parameters PEN/collagen mol/mol of collagen 3.5±0.8 42.5±10.0 55.4±9.5 p<0.0001 p<0.0001 p<0.0001
DPD/collagen mol/mol of collagen 0.226±0.054 0.206±0.049 0.186±0.048 N.S. N.S. N.S.
PYD/collagen mol/mol of collagen 0.480±0.065 0.357±0.040 0.259±0.041 N.S. N.S. N.S.
Fluorescence AGE Assay fAGEs g/mol 76.2±24.9 456.0±81.2 829.3±138.2 p<0.0001 p<0.0001 p<0.0001
Raman Parameters Mineral-to- Matrix (MMR) ν1PO4/Amide I 26.93±2.10 26.56±1.55 26.72±3.12 N.S. N.S. N.S.
ν1PO4/Amide III 10.82±1.56 11.30±1.19 11.20±1.82 N.S. N.S. N.S.
ν1PO4/CH2 wag 10.76±1.35 10.99±1.02 10.91±1.56 N.S. N.S. N.S.
ν1PO4/Proline 16.67±1.30 16.88±0.75 16.35±1.22 N.S. N.S. N.S.
Carbonate Substitution CO31PO4 0.148±0.005 0.150±0.007 0.147±0.006 N.S. N.S. N.S.
Crystallinity 1/FWHM(ν1PO4) 0.063±0.007 0.062±0.001 0.063±0.006 N.S. N.S. N.S.
Hyp/Pro 877/855 0.76±0.05 0.77±0.04 0.83±0.05 N.S. p=0.0287 p=0.0288
877/922 0.75±0.05 0.74±0.02 0.82±0.05 N.S. p=0.021 p=0.020
Raman-PEN ~1362/CH2-wag 0.518±0.112 0.468±0.081 0.512±0.172 N.S. N.S. N.S.
~1495/CH2-wag 0.164±0.048 0.149±0.040 0.156±0.064 N.S. N.S. N.S.
Raman-CML ~1150/CH2-wag 0.048±0.021 0.045±0.013 0.049±0.023 N.S. N.S. N.S.