Hydrogen isotope fractionation in freshwater algae : I . Variations among lipids and species

  title={Hydrogen isotope fractionation in freshwater algae : I . Variations among lipids and species},
  author={Zhaohui Zhang and Julian P. Sachs},
Five species of freshwater green algae, including three strains of Botryococcus braunii (two A Race, one B Race), Eudorina unicocca and Volvox aureus, were cultured under controlled conditions in media containing different concentrations of deuterium. The hydrogen isotopic ratios of lipids in the algae, including alkadienes, botryococcenes, heptadecenes, fatty acids, and phytadiene, were measured by gas chromatography–isotope ratio-mass spectrometry (GC–IRMS) and found to closely track water dD… CONTINUE READING
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