Table 2.
Selected wavenumbers by the GA-LDA to distinguish GDM and controls samples.
| Selected wavenumber (cm−1) | Tentative assignment |
|---|---|
| 901 | Phosphodiester stretching bands region (for absorbances due to collagen and glycogen) |
| 1047 | Glycogen band (due to OH stretching coupled with bending) |
| 1462 | CH2 scissoring mode of the acyl chain of lipid |
| 1539 | Protein amide II absorption- predominately b-sheet of amide II |
| 1560 | Ring base mode |
| 1582 | Ring C–C stretch |
| 1645 | Amide I |
| 1661 | Amide I |
| 1693 | High frequency vibration of an antiparallel β-sheet of Amide I |
| 1747 | ν(C=O) (polysaccharides, pectin) |