Search Results - "Wehrung, P."
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Highly isotopically depleted isoprenoids: molecular markers for ancient methane venting
Published in Geochimica et cosmochimica acta (01-12-1999)“…We propose that organic compounds found in a Miocene limestone from Marmorito (Northern Italy) are source markers for organic matter present in ancient methane…”
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Fossil bacterial ecosystem at methane seeps: Origin of organic matter from Be’eri sulfur deposit, Israel
Published in Geochimica et cosmochimica acta (01-12-2002)“…The Be’eri sulfur mine (Israel) is a unique deposit mainly composed of sandstone intercalated with biogenic mats and possessing organic matter exceptionally…”
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The use of 13C-labelled polycyclic aromatic hydrocarbons for the analysis of their transformation in soil
Published in Chemosphere (Oxford) (01-04-1998)“…The formation of non-extractable residues during biodegradation and humification processes in soils and sediments represents a major sink for organic…”
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Plant Wax n-Alkanes Trapped in Soil Humin by Noncovalent Bonds
Published in Die Naturwissenschaften (1998)Get full text
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A novel pathway of soil organic matter formation by selective preservation of resistant straight-chain biopolymers: chemical and isotope evidence
Published in Organic geochemistry (01-01-1998)“…A resistant soil organic residue, “humin”, has been analyzed by solid-state 13C-NMR and pyrolysis followed by molecular and 13C determination of the pyrolysate…”
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C27—C29 ring A monoaromatic steroids in Cretaceous black shales
Published in Nature (London) (01-12-1981)Get full text
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Fossil bacterial ecosystem at methane seeps
Published in Geochimica et cosmochimica acta (01-12-2002)Get full text
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Novel aromatic carotenoid derivatives from sulfur photosynthetic bacteria in sediments
Published in Tetrahedron letters (01-12-1997)“…Novel aromatic carotenoid derivatives 7 and 8 have been identified by synthesis of reference compounds in a H 2/PtO 2-hydrogenated fraction from the organic…”
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The use of super(13)C-labelled polycyclic aromatic hydrocarbons for the analysis of their transformation in soil
Published in Chemosphere (Oxford) (01-04-1998)“…The formation of non-extractable residues during biodegradation and humification processes in soils and sediments represents a major sink for organic…”
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C 27 -C 29 ring A monoaromatic steroids in Cretaceous black shales
Published in Nature (London) (10-12-1981)Get full text
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C sub(27)-C sub(29) ring A monoaromatic steroids in Cretaceous black shales
Published in Nature (London) (01-01-1981)“…The structural elucidation of aromatic steroid hydrocarbons, which are widespread constituents of sediments and petroleums, has been attempted; several series…”
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