Table 3. Assigned peaks for positive ion mode obtained from the SFE of a single HeLa cell. A number followed by a ‘+’ sign represents the additional number of structures that match the formula listed in the LipidMaps database.
| m/z (error (σ mDa)) | Abundance | RSD | Formula | +isomers | Exact m/z | |
|---|---|---|---|---|---|---|
| 221.102 (±1.2) | 2135 | 19% | C9H16O6 | [M+H]+ | 221.102 | |
| 263.236 (±2.7) | 39475 | 41% | C18H30O | [M+H]+ | +1 | 263.237 |
| 282.279 (±0.4) | 248297 | 14% | C18H35NO | [M+H]+ | +1 | 282.279 |
| 296.258 (±1.1) | 169561 | 91% | C18H33NO2 | [M+H]+ | +1 | 296.258 |
| 297.084 (±3.0) | 1418 | 33% | C15H21BrO | [M+H]+ | +1 | 297.085 |
| 298.273 (±2.6) | 130455 | 99% | C18H35NO2 | [M+H]+ | +1 | 298.274 |
| 300.063 (±2.7) | 407 | 1% | C16H12O6 | [M]+ | +63 | 300.063 |
| 593.575 (±2.1) | 31613 | 39% | C38H75NO3 | [M]+ | +2 | 593.574 |
| 613.176 (±2.9) | 621 | 13% | C27H32O16 | [M+H]+ | +3 | 613.176 |
| 890.612 (±1.8) | 709 | 10% | C47H88NO12P | [M+H]+ | +1 | 890.612 |
| 1000.766 (±0.4) | 22547 | 73% | C56H105NO13 | [M+H]+ | +2 | 1000.766 |
| P321 | 4255 | 14% | C6H18N3O6P3 | [M+H]+ | — | 322.048 |
| P621 | 2868 | 38% | C12H18F12N3O6P3 | [M+H]+ | — | 622.029 |