A portable fast gas chromatography-mass spectrometry workflow for quantification of biogenic volatile organic compounds with humidity‑dependent sensitivity correction
Alice Claude, Carmen Kalalian, Christophe Boissard, Valérie Gros, Juliette Leymarie, Ruben Puga-Freitas · 2026
Read A portable fast gas chromatography-mass spectrometry workflow for quantification of biogenic volatile organic compounds with humidity‑dependent sensitivity correction by Alice Claude, Carmen Kalalian, Christophe Boissard, Valérie Gros, Juliette Leymarie, Ruben Puga-Freitas (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13157117.txt.
Description
Alice Claude and co-authors build a portable instrument that measures plant-emitted gases in the field, in a study published in 2026. These biogenic vapors shape air chemistry and ecology, but they are reactive, mixed, and hard to quantify outside a lab. Humidity in particular bends the readings.
Their workflow pairs needle-trap sampling with a compact gas chromatograph and mass spectrometer. Using a fifteen-compound standard under controlled humidity, seven compounds gave clean linear responses across moisture levels. Sensitivity proved to depend strongly and predictably on water vapor pressure, so they derived per-compound correction curves. Portable readings then agreed closely with a reference instrument. A full cycle takes fifteen minutes and only forty milliliters of air, suiting chamber studies where vapor levels are enriched.
Catalog record
| CREATOR | Alice Claude, Carmen Kalalian, Christophe Boissard, Valérie Gros, Juliette Leymarie, Ruben Puga-Freitas |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 24 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |