Table 1. Peak positions and tentative assignments of major vibrational bands observed in serum samples.
| Peak position (cm−1) | Major assignments |
|---|---|
|
| |
| 495 | L-arginine ( + ) |
| 530 | Cholesterol ester |
| 639 | Tyrosine ring breathing ( + ) |
| 725 | Hypoxanthine (-) |
| 813 | C-C stretching (collagen assignment) |
| 889 | Saccharide band (overlaps with acyl band) ( + ) |
| 960 | ν (C-C) valine (-) |
| 1007 | Phenylalanine ( + ) |
| 1073 | Tyrosine ( + ) |
| 1136 | Phenylalanine ( + ) |
| 1206 | Tyrosine (collagen assignment) ( + ) |
| 1332 | Nucleic acid (-) |
| 1655 | Amide I, α-helix (-) |
( + ) indicates an increase and (-) indicates an decrease in spectra intensity.