Abstract
Long-chain diols (LCDs) are ubiquitous lipids produced by freshwater and marine algae. A combination of semi-preparative high performance liquid chromatography and gas chromatography isotope ratio monitoring mass spectrometry, allowed the measurement of δ2H of individual LCDs from cultures, which indicated a correlation with the hydrogen isotope composition of the growth water and a species-specific effect. Results from environmental samples along a salinity gradient indicated the potential of δ2H ratios of LCDs to trace the hydrogen isotopic composition of water and sea surface salinity.
| Original language | English |
|---|---|
| Article number | 103904 |
| Number of pages | 4 |
| Journal | Organic Geochemistry |
| Volume | 137 |
| DOIs | |
| Publication status | Published - Nov 2019 |
Funding
We thank Co-Editor-in-Chief J. K. Volkman, Associate Editor E. Minor and an anonymous reviewer for their useful comments on this manuscript. We thank Jort Ossebaar for analytical help and the captain and crew of the R/V Pelagia of cruise 64PE434 (NICO expedition, Leg 7). This research has been funded by the European Research Council (ERC) under the European Union's Seventh Framework Program ( FP7/2007-2013 ) ERC grant agreement [ 339206 ] to S.S.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- Hydrogen isotopes
- Long-chain diols
- Preparative HPLC
- Salinity
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