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Table 1 Percentage of component band areas after Curve Fitting procedure in the region 1700–1600 cm− 1

From: Characterization of ovarian cancer cells and tissues by Fourier transform infrared spectroscopy

Position Area (%) Assignment
HOSEpiC ES2 A2780 OVCAR3 SKOV3 IGROV1
1629 9.46 ± 0.12 9.45 ± 0.02 9.66 ± 0.15 9.40 ± 0.04 8.91 ± 0.17 9.43 ± 0.12 β-sheet
1639 15.99 ± 0.18 17.10 ± 0.35 15.67 ± 0.28 15.18 ± 0.47 14.80 ± 0.17 16.16 ± 0.17 β-sheet
β-sheet SUM 25.45 ± 0.07 26.55 ± 0.36 25.33 ± 0.43 24.58 ± 0.50 23.71 ± 0.35 25.59 ± 0.06 β-sheet SUM
1649 16.39 ± 0.04 15.51 ± 0.04 16.46 ± 0.25 16.89 ± 0.29 18.09 ± 0.23 16.58 ± 0.17 α-helical
1657 22.86 ± 0.30 21.09 ± 0.35 22.34 ± 0.06 22.44 ± 0.24 23.46 ± 0.11 23.64 ± 0.11 β-turn
1667 9.38 ± 0.16 9.82 ± 0.29 9.66 ± 0.08 9.53 ± 0.09 9.60 ± 0.15 9.35 ± 0.15 β-turn
1674 5.13 ± 0.10 5.66 ± 0.06 5.31 ± 0.15 5.05 ± 0.05 4.70 ± 0.05 4.77 ± 0.04 β-turn
1681 13.55 ± 0.13 13.52 ± 0.25 13.32 ± 0.58 14.32 ± 0.44 13.15 ± 0.06 13.26 ± 0.07 β-turn
β-turn SUM 50.92 ± 0.17 50.09 ± 0.37 50.63 ± 0.41 51.34 ± 0.24 50.91 ± 0.07 51.02 ± 0.06 β-turn SUM
1693 7.24 ± 0.20 7.85 ± 0.03 7.58 ± 0.23 7.19 ± 0.03 7.29 ± 0.05 6.81 ± 0.18  
  1. Bold texts indicate the area percentages of β-sheet, α-helical and β-turn structures, respectively