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Zherebker, A.* ; Kostyukevich, Y.* ; Volkov, D.S.* ; Chumakov, R.G.* ; Friederici, L.* ; Rüger, C.P.* ; Kononikhin, A.S.* ; Kharybin, O.* ; Korochantsev, A.* ; Zimmermann, R. ; Perminova, I.V.* ; Nikolaev, E.*

Speciation of organosulfur compounds in carbonaceous chondrites.

Sci. Rep. 11:7410 (2021)
Publ. Version/Full Text DOI PMC
Open Access Gold
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Despite broad application of different analytical techniques for studies on organic matter of chondrite meteorites, information about composition and structure of individual compounds is still very limited due to extreme molecular diversity of extraterrestrial organic matter. Here we present the first application of isotopic exchange assisted Fourier transform ion cyclotron resonance mass spectrometry (FTICR MS) for analysis of alkali extractable fraction of insoluble organic matter (IOM) of the Murchison and Allende meteorites. This allowed us to determine the individual S-containing ions with different types of sulfur atoms in IOM. Thiols, thiophenes, sulfoxides, sulfonyls and sulfonates were identified in both samples but with different proportions, which contribution corroborated with the hydrothermal and thermal history of the meteorites. The results were supported by XPS and thermogravimetric analysis coupled to FTICR MS. The latter was applied for the first time for analysis of chondritic IOM. To emphasize the peculiar extraterrestrial origin of IOM we have compared it with coal kerogen, which is characterized by the comparable complexity of molecular composition but its aromatic nature and low oxygen content can be ascribed almost exclusively to degradation of biomacromolecules.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 2045-2322
e-ISSN 2045-2322
Journal Scientific Reports
Quellenangaben Volume: 11, Issue: 1, Pages: , Article Number: 7410 Supplement: ,
Publisher Nature Publishing Group
Publishing Place London
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Cooperation Group Comprehensive Molecular Analytics (CMA)
Grants RFBR foundation
European's Horizon 2020 Research and Innovation Program
Russian Science Foundation