Publications by authors named "Markus Greule"

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Dual Isotope Analysis Reveals Phylogenetic Patterns and Novel Insights Into Methoxy Group Synthesis of Structural Biomolecules in Leaf and Woody Plant Tissues.
Anna Wieland, Philipp Schuler, Matthias Saurer, Valentina Vitali, Markus Greule

Plant Cell Environ· December 2025

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Site-specific hydrogen isotope measurements of vanillin by H-qNMR and GC-IRMS.
Phuong Mai Le, Markus Greule, Stanislav Sokolenko, Serge Akoka, Gérald Remaud

Anal Bioanal Chem· July 2025

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Isotopic analysis (δC and δH) of lignin methoxy groups in forest soils to identify and quantify lignin sources.
Terry Cox, Anna Wieland, Markus Greule, Frank Keppler, Annika Einbock

Sci Total Environ· November 2024

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The 'photosynthetic C pathway' links carbon assimilation and growth in California poplar.
Kolby J Jardine, Luiza Gallo, Melissa Roth, Shivani Upadhyaya, Trent Northen, Markus Greule

Commun Biol· November 2024

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Comparison of Carbon Isotope Ratio Measurement of the Vanillin Methoxy Group by GC-IRMS and C-qNMR.
Markus Greule, Phuong Mai Le, Juris Meija, Zoltán Mester, Frank Keppler

J Am Soc Mass Spectrom· January 2024

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Sources and sinks of chloromethane in a salt marsh ecosystem: constraints from concentration and stable isotope measurements of laboratory incubation experiments.
Frank Keppler, Amelie Ninja Röhling, Nicole Jaeger, Moritz Schroll, Simon Christoph Hartmann, Markus Greule

Environ Sci Process Impacts· March 2020

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Chlorine Isotope Fractionation of the Major Chloromethane Degradation Processes in the Environment.
Frank Keppler, Jaime D Barnes, Axel Horst, Enno Bahlmann, Jing Luo, Markus Greule

Environ Sci Technol· February 2020

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Methyl sulfates as methoxy isotopic reference materials for δ C and δ H measurements.
Markus Greule, Heiko Moossen, Heike Geilmann, Willi A Brand, Frank Keppler

Rapid Commun Mass Spectrom· February 2019

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Chloromethane formation and degradation in the fern phyllosphere.
Nicole Jaeger, Ludovic Besaury, Amelie Ninja Röhling, Fabien Koch, Anne-Marie Delort, Markus Greule

Sci Total Environ· September 2018

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Methane oxidation in industrial biogas plants-Insights in a novel methanotrophic environment evidenced by pmoA gene analyses and stable isotope labelling studies.
Tobias May, Daniela Polag, Frank Keppler, Markus Greule, Liane Müller

J Biotechnol· March 2018

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Chloromethane Degradation in Soils: A Combined Microbial and Two-Dimensional Stable Isotope Approach.
Nicole Jaeger, Ludovic Besaury, Eileen Kröber, Anne-Marie Delort, Markus Greule

J Environ Qual· March 2018

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Chloromethane emissions in human breath.
Frank Keppler, Jan Fischer, Tobias Sattler, Daniela Polag, Nicole Jaeger, Markus Greule

Sci Total Environ· December 2017

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Exogenous addition of H for an in situ biogas upgrading through biological reduction of carbon dioxide into methane.
Daniel Girma Mulat, Freya Mosbæk, Alastair James Ward, Daniela Polag, Markus Greule

Waste Manag· October 2017

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Warm season precipitation signal in δ H values of wood lignin methoxyl groups from high elevation larch trees in Switzerland.
Dana F C Riechelmann, Markus Greule, Rolf T W Siegwolf, Tobias Anhäuser, Jan Esper

Rapid Commun Mass Spectrom· October 2017

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Organic compounds in fluid inclusions of Archean quartz-Analogues of prebiotic chemistry on early Earth.
Ulrich Schreiber, Christian Mayer, Oliver J Schmitz, Pia Rosendahl, Amela Bronja, Markus Greule

PLoS One· September 2017

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Stable hydrogen isotope values of lignin methoxyl groups of four tree species across Germany and their implication for temperature reconstruction.
Tobias Anhäuser, Markus Greule, Frank Keppler

Sci Total Environ· February 2017

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Mean annual temperatures of mid-latitude regions derived from δH values of wood lignin methoxyl groups and its implications for paleoclimate studies.
Tobias Anhäuser, Markus Greule, Daniela Polag, Gabriel J Bowen, Frank Keppler

Sci Total Environ· January 2017

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δ²H, δ¹³C and δ¹⁸O from whole wood, α-cellulose and lignin methoxyl groups in Pinus sylvestris: a multi-parameter approach.
Maria Mischel, Jan Esper, Frank Keppler, Markus Greule, Willy Werner

Isotopes Environ Health Stud· September 2016

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Stable hydrogen and carbon isotope ratios of methoxyl groups during plant litter degradation.
Tobias Anhäuser, Markus Greule, Michael Zech, Karsten Kalbitz, Colin McRoberts

Isotopes Environ Health Stud· January 2016

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Stable isotope and high precision concentration measurements confirm that all humans produce and exhale methane.
Frank Keppler, Amanda Schiller, Robert Ehehalt, Markus Greule, Jan Hartmann

J Breath Res· January 2016

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Comment on Authenticity and traceability of vanilla flavors by analysis of stable isotopes of carbon and hydrogen.
Markus Greule, Armin Mosandl, John T G Hamilton, Frank Keppler

J Agric Food Chem· June 2015

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A stable isotope approach to assessing water loss in fruits and vegetables during storage.
Markus Greule, Andreas Rossmann, Hanns-Ludwig Schmidt, Armin Mosandl, Frank Keppler

J Agric Food Chem· February 2015

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Chloromethane release from carbonaceous meteorite affords new insight into Mars lander findings.
Frank Keppler, David B Harper, Markus Greule, Ulrich Ott, Tobias Sattler

Sci Rep· November 2014

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Probing the diversity of chloromethane-degrading bacteria by comparative genomics and isotopic fractionation.
Thierry Nadalig, Markus Greule, Françoise Bringel, Frank Keppler, Stéphane Vuilleumier

Front Microbiol· October 2014

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Hydrogen and carbon isotope fractionation during degradation of chloromethane by methylotrophic bacteria.
Thierry Nadalig, Markus Greule, Françoise Bringel, Stéphane Vuilleumier, Frank Keppler

Microbiologyopen· December 2013

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