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1. Differential degradation of intact polar and core glycerol dialkyl glycerol tetraether lipids upon post-depositional oxidation.

Author

Lengger, Sabine K., Kraaij, Mariska, Tjallingii, Rik, Baas, Marianne, Stuut, Jan-Berend, Hopmans, Ellen C., Sinninghe Damsté, Jaap S., and Schouten, Stefan

Subjects
*ENVIRONMENTAL degradation, *GLYCERIN, *ALKYL compounds, *OXIDATION, *SEDIMENTATION & deposition, *BIOMARKERS, *ARCHAEBACTERIA
Abstract

Highlights: [•] Degradation of IPL GDGTs in a reoxidized sediment was dependent on head group. [•] TEX86 of IPL, but not CL GDGTs, changed via production and differential degradation. [•] Good preservation of glyco GDGTs discourages use as biomarkers for live Archaea. [•] Harsh oxidation events can alter TEX86 and other proxy values of IPL GDGTs. [•] Distribution changes in IPL GDGTs can be caused by differential degradation. [Copyright &y& Elsevier]

Published
2013
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