Table 2.
Endogenous VOCs tested as candidate biomarkers for lung cancer (n=23).
| Name | Kovats index (KI) |
|---|---|
| Dimethylmethane | 304 |
| Ethanol | 460 |
| Methane | 483 |
| Isoprene | 520 |
| Hexane | 600 |
| Methylcyclopentane | 627 |
| Benzene | 654 |
| Heptane | 700 |
| 2-methylheptane | 763 |
| Octane | 800 |
| 3-methyloctane | 871 |
| 1.4-dimethylbenzene | 877 |
| 3-methylnonane | 900 |
| Ethenylbenzene | 915 |
| 2.2.4.6.6-pentamethylheptane | 997 |
| Limonene | 1038 |
| 2,5,5-trimethyl-2,6-heptadien-4-one | 1063 |
| 1-isopropyl-4-methylbicyclo[3.1.0]hexan-3-ol | 1133 |
| Dodecane | 1200 |
| Tridecane | 1300 |
| Tetradecane | 1400 |
| 2-phenylpropylbutyrate | 1484 |
| 1,2,6-trimethylnaphthalene | 1552 |