Table 4.
MRM transitions and collision energy settings for collagen amino acids and crosslink components.
| Molecule | Q1 | Q2 | Collision energy | dwell/s |
|---|---|---|---|---|
| Proline (PRO) | 116.07 | 70.06 | 15 | 0.25 |
| d7-PRO | 123.11 | 77.11 | 15 | 0.25 |
| Hydroxyproline (HYP) | 132.06 | 68.05 | 20 | 0.25 |
| Lysine (Lys) | 147.11 | 84.08 | 20 | 0.25 |
| d4-LYS | 151.14 | 88.1 | 20 | 0.25 |
| Hydroxylysine (Hly) | 163.1 | 82.06 | 20 | 0.25 |
| LNL | 276.15 | 84.08 | 30 | 0.2 |
| HLNL | 292.18 | 82.08 | 30 | 0.2 |
| DHLNL | 308.18 | 82.08 | 35 | 0.2 |
| pentosidine | 379.21 | 187.1 | 40 | 0.2 |
| deoxypyridinoline | 413.2 | 84.08 | 40 | 0.3 |
| pyridinoline | 429.2 | 82.08 | 40 | 0.3 |