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claudia-bouman
Team TFS
Team TFS
A novel methodological approach for δ18O analysis of sugars using gas chromatography-pyrolysis-isotope ratio mass spectrometry
Michael Zech (1,2), Matthias Saurer (3), Mario Tuthorn (1), Katja Rinne (3), Roland A. Werner (4), Rolf Siegwolf (3), Bruno Glaser (2) and Dieter Juchelka (5)
1) Department of Soil Physics and Chair of Geomorphology, University of Bayreuth, Bayreuth, Germany, 2) Institute of Agronomy and Nutritional Sciences, Soil Biogeochemistry, Martin-Luther-University, Halle-Wittenberg, Germany, 3) Paul Scherrer Institute, Villigen, Switzerland, 4) Institute of Agricultural Sciences, ETH Zürich, Switzerland, 5) Thermo Fisher Scientific, Bremen, Germany
Isotopes in Environmental and Health Studies (2013), Volume 49(4), pp492–502, doi: 10.1080/10256016.2013.824875
Although the instrumental coupling of gas chromatography-pyrolysis-isotope ratio mass spectrometry (GC-Py-IRMS) for compound-specific d18O analysis has been commercially available for more than a decade, this method has been hardly applied so far. Here we present the first GC-Py-IRMS d18O results for trimethylsilyl-derivatives of plant sap-relevant sugars and a polyalcohol (glucose, fructose, sucrose, raffinose and pinitol). Particularly, we focus on sucrose, which is assimilated in leaves and which is the most important transport sugar in plants and hence of utmost relevance in plant physiology and paleoclimate studies.
  • GC-IRMS
  • O isotopes
  • Sugar
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‎11-09-2021 03:49 AM
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