Works by Markus Greule

Results: 32

Improved rapid authentication of vanillin using δC and δH values.

Published in:

European Food Research & Technology, 2010, v. 231, n. 6, p. 933, doi. 10.1007/s00217-010-1346-z

By:

Greule, Markus;
Tumino, Luisa;
Kronewald, Tatjana;
Hener, Uwe;
Schleucher, Jürgen;
Mosandl, Armin;
Keppler, Frank

Publication type:

Article

Feed additives: authenticity assessment using multicomponent-/multielement-isotope ratio mass spectrometry.

Published in:

European Food Research & Technology, 2008, v. 227, n. 3, p. 767, doi. 10.1007/s00217-007-0785-7

By:

Markus Greule;
Clarissa Hänsel;
Ulrike Bauermann;
Armin Mosandl

Publication type:

Article

Heptan-2-ol and trans -linalool oxide (fur.) as inherent indicators of natural blackberry flavour using enantioselective and multielement-MDGC-IRMS analysis.

Published in:

European Food Research & Technology, 2008, v. 226, n. 5, p. 1001, doi. 10.1007/s00217-007-0622-z

By:

Markus Greule;
Armin Mosandl

Publication type:

Article

Isotopic composition of H2 from wood burning: Dependency on combustion efficiency, moisture content, and δD of local precipitation.

Published in:

Journal of Geophysical Research. Atmospheres, 2010, v. 115, n. D17, p. n/a, doi. 10.1029/2009JD013188

By:

Röckmann, Thomas;
Gómez Álvarez, Catalina X.;
Walter, Sylvia;
van der Veen, Carina;
Wollny, Adam G.;
Gunthe, Sachin S.;
Helas, Günther;
Pöschl, Ulrich;
Keppler, Frank;
Greule, Markus;
Brand, Willi A.

Publication type:

Article

A simple rapid method to precisely determine 13C/12C ratios of plant methoxyl groups.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 11, p. 1710, doi. 10.1002/rcm.4057

By:

Greule, Markus;
Mosandl, Armin;
Hamilton, John T. G.;
Keppler, Frank

Publication type:

Article

A rapid and precise method for determination of D/H ratios of plant methoxyl groups.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2008, v. 22, n. 24, p. 3983, doi. 10.1002/rcm.3817

By:

Greule, Markus;
Mosandl, Armin;
Hamilton, John T. G.;
Keppler, Frank

Publication type:

Article

Climate signals in stable carbon and hydrogen isotopes of lignin methoxy groups from southern German beech trees.

Published in:

Climate of the Past Discussions, 2021, p. 1, doi. 10.5194/cp-2021-135

By:

Wieland, Anna;
Greule, Markus;
Roemer, Philipp;
Esper, Jan;
Keppler, Frank

Publication type:

Article

Insolation and Greenhouse Gas Forcing of the South American Monsoon System Across Three Glacial‐Interglacial Cycles.

Published in:

Geophysical Research Letters, 2020, v. 47, n. 14, p. 1, doi. 10.1029/2020GL087948

By:

Hou, Alicia;
Bahr, André;
Raddatz, Jacek;
Voigt, Silke;
Greule, Markus;
Albuquerque, Ana Luiza;
Chiessi, Cristiano M.;
Friedrich, Oliver

Publication type:

Article

Climate signals in stable carbon and hydrogen isotopes of lignin methoxy groups from southern German beech trees.

Published in:

Climate of the Past, 2022, v. 18, n. 8, p. 1849, doi. 10.5194/cp-18-1849-2022

By:

Wieland, Anna;
Greule, Markus;
Roemer, Philipp;
Esper, Jan;
Keppler, Frank

Publication type:

Article

Evidence for a major missing source in the global chloromethane budget from stable carbon isotopes.

Published in:

Atmospheric Chemistry & Physics Discussions, 2018, p. 1, doi. 10.5194/acp-2018-855

By:

Bahlmann, Enno;
Keppler, Frank;
Wittmer, Julian;
Greule, Markus;
Schöler, Heinz Friedrich;
Seifert, Richard;
Zetzsch, Cornelius

Publication type:

Article

Mass spectrometric measurement of hydrogen isotope fractionation for the reactions of chloromethane with OH and Cl.

Published in:

Atmospheric Chemistry & Physics Discussions, 2018, p. 1, doi. 10.5194/acp-2018-8

By:

Keppler, Frank;
Bahlmann, Enno;
Greule, Markus;
Schöler, Heinz Friedrich;
Wittmer, Julian;
Zetzsch, Cornelius

Publication type:

Article

Chloromethane Degradation in Soils: A Combined Microbial and Two-Dimensional Stable Isotope Approach.

Published in:

Journal of Environmental Quality, 2018, v. 47, n. 2, p. 254, doi. 10.2134/jeq2017.09.0358

By:

Jaeger, Nicole;
Besaury, Ludovic;
Kröber, Eileen;
Delort, Anne-Marie;
Greule, Markus;
Lenhart, Katharina;
Nadalig, Thierry;
Vuilleumier, Stéphane;
Amato, Pierre;
Kolb, Steffen;
Bringel, Françoise;
Keppler, Frank

Publication type:

Article

Triple‐Element Stable Isotope Analysis of Chloromethane Emitted by Royal Fern and Degraded by Club Moss.

Published in:

Journal of Geophysical Research. Biogeosciences, 2023, v. 128, n. 5, p. 1, doi. 10.1029/2022JG007256

By:

Hartmann, S. Christoph;
Keppler, Frank;
Greule, Markus;
Lauer, Rebekka;
Horst, Axel

Publication type:

Article

The 'photosynthetic C1 pathway' links carbon assimilation and growth in California poplar.

Published in:

Communications Biology, 2024, v. 7, n. 1, p. 1, doi. 10.1038/s42003-024-07142-0

By:

Jardine, Kolby J.;
Gallo, Luiza;
Roth, Melissa;
Upadhyaya, Shivani;
Northen, Trent;
Kosina, Suzanne;
Tcherkez, Guillaume;
Eudes, Aymerick;
Domigues, Tomas;
Greule, Markus;
Som, Suman;
Keppler, Frank

Publication type:

Article

Chloromethane release from carbonaceous meteorite affords new insight into Mars lander findings.

Published in:

Scientific Reports, 2014, p. 1, doi. 10.1038/srep07010

By:

Keppler, Frank;
Harper, David B.;
Greule, Markus;
Ott, Ulrich;
Sattler, Tobias;
Schööler, Heinz F.;
Hamilton, John T. G.

Publication type:

Article

Organic compounds in fluid inclusions of Archean quartz—Analogues of prebiotic chemistry on early Earth.

Published in:

PLoS ONE, 2017, v. 12, n. 6, p. 1, doi. 10.1371/journal.pone.0177570

By:

Schreiber, Ulrich;
Mayer, Christian;
Schmitz, Oliver J.;
Rosendahl, Pia;
Bronja, Amela;
Greule, Markus;
Keppler, Frank;
Mulder, Ines;
Sattler, Tobias;
Schöler, Heinz F.

Publication type:

Article

Probing the diversity of chloromethane-degrading bacteria by comparative genomics and isotopic fractionation.

Published in:

Frontiers in Microbiology, 2014, v. 5, p. 1, doi. 10.3389/fmicb.2014.00523

By:

Nadalig, Thierry;
Greule, Markus;
Bringel, Françoise;
Keppler, Frank;
Vuilleumier, Stéphane

Publication type:

Article

Identification of methanogenic pathways in anaerobic digesters using stable carbon isotopes.

Published in:

Engineering in Life Sciences, 2010, v. 10, n. 6, p. 509, doi. 10.1002/elsc.201000074

By:

Laukenmann, Stephan;
Polag, Daniela;
Heuwinkel, Hauke;
Greule, Markus;
Gronauer, Andreas;
Lelieveld, Jos;
Keppler, Frank

Publication type:

Article

The stable carbon isotope signature of methane produced by saprotrophic fungi.

Published in:

Biogeosciences Discussions, 2020, p. 1, doi. 10.5194/bg-2020-108

By:

Schroll, Moritz;
Keppler, Frank;
Greule, Markus;
Eckhardt, Christian;
Zorn, Holger;
Lenhart, Katharina

Publication type:

Article

δ H, δ C and δ O from whole wood, α -cellulose and lignin methoxyl groups in Pinus sylvestris : a multi-parameter approach.

Published in:

Isotopes in Environmental & Health Studies, 2015, v. 51, n. 4, p. 553, doi. 10.1080/10256016.2015.1056181

By:

Mischel, Maria;
Esper, Jan;
Keppler, Frank;
Greule, Markus;
Werner, Willy

Publication type:

Article

Stable hydrogen and carbon isotope ratios of methoxyl groups during plant litter degradation.

Published in:

Isotopes in Environmental & Health Studies, 2015, v. 51, n. 1, p. 143, doi. 10.1080/10256016.2015.1013540

By:

Anhäuser, Tobias;
Greule, Markus;
Zech, Michael;
Kalbitz, Karsten;
McRoberts, Colin;
Keppler, Frank

Publication type:

Article

Evidence of anaerobic syntrophic acetate oxidation in biogas batch reactors by analysis of C carbon isotopes.

Published in:

Isotopes in Environmental & Health Studies, 2013, v. 49, n. 3, p. 365, doi. 10.1080/10256016.2013.805758

By:

Polag, Daniela;
Heuwinkel, Hauke;
Laukenmann, Stephan;
Greule, Markus;
Keppler, Frank

Publication type:

Article

Stable isotope determination of ester and ether methyl moieties in plant methoxyl groups.

Published in:

Isotopes in Environmental & Health Studies, 2011, v. 47, n. 4, p. 470, doi. 10.1080/10256016.2011.616270

By:

Greule, Markus;
Keppler, Frank

Publication type:

Article

Using stable carbon isotopes of lignin-derived methoxy to improve historical apportionments of particulate organic matter and sediment sources incorporating multiple Suess corrections.

Published in:

Journal of Soils & Sediments: Protection, Risk Assessment, & Remediation, 2024, v. 24, n. 5, p. 2159, doi. 10.1007/s11368-024-03765-2

By:

Cox, Terry;
Laceby, J. Patrick;
Greule, Markus;
Keppler, Frank;
Alewell, Christine

Publication type:

Article

Methyl sulfates as methoxy isotopic reference materials for δ13C and δ2H measurements.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2019, v. 33, n. 4, p. 343, doi. 10.1002/rcm.8355

By:

Greule, Markus;
Moossen, Heiko;
Geilmann, Heike;
Brand, Willi A.;
Keppler, Frank

Publication type:

Article

Warm season precipitation signal in δ2H values of wood lignin methoxyl groups from high elevation larch trees in Switzerland.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 19, p. 1589, doi. 10.1002/rcm.7938

By:

Riechelmann, Dana F.C.;
Greule, Markus;
Siegwolf, Rolf T.W.;
Anhäuser, Tobias;
Esper, Jan;
Keppler, Frank

Publication type:

Article

The stable carbon isotope signature of methane produced by saprotrophic fungi.

Published in:

Biogeosciences, 2020, v. 17, n. 14, p. 3891, doi. 10.5194/bg-17-3891-2020

By:

Schroll, Moritz;
Keppler, Frank;
Greule, Markus;
Eckhardt, Christian;
Zorn, Holger;
Lenhart, Katharina

Publication type:

Article

Evidence for a major missing source in the global chloromethane budget from stable carbon isotopes.

Published in:

Atmospheric Chemistry & Physics, 2019, v. 19, n. 3, p. 1703, doi. 10.5194/acp-19-1703-2019

By:

Bahlmann, Enno;
Keppler, Frank;
Wittmer, Julian;
Greule, Markus;
Schöler, Heinz Friedrich;
Seifert, Richard;
Zetzsch, Cornelius

Publication type:

Article

Mass spectrometric measurement of hydrogen isotope fractionation for the reactions of chloromethane with OH and Cl.

Published in:

Atmospheric Chemistry & Physics, 2018, v. 18, n. 9, p. 6625, doi. 10.5194/acp-18-6625-2018

By:

Keppler, Frank;
Bahlmann, Enno;
Greule, Markus;
Schöler, Heinz Friedrich;
Wittmer, Julian;
Zetzsch, Cornelius

Publication type:

Article

Position-specific isotope analysis of the methyl group carbon in methylcobalamin for the investigation of biomethylation processes.

Published in:

Analytical & Bioanalytical Chemistry, 2013, v. 405, n. 9, p. 2833, doi. 10.1007/s00216-012-6635-x

By:

Wuerfel, Oliver;
Greule, Markus;
Keppler, Frank;
Jochmann, Maik;
Schmidt, Torsten

Publication type:

Article

A fast and sensitive method for the continuous in situ determination of dissolved methane and its δ13C‐isotope ratio in surface waters.

Published in:

Limnology & Oceanography, Methods, 2018, v. 16, n. 5, p. 273, doi. 10.1002/lom3.10244

By:

Hartmann, Jan F.;
Gentz, Torben;
Schiller, Amanda;
Greule, Markus;
Grossart, Hans‐Peter;
Ionescu, Danny;
Keppler, Frank;
Martinez‐Cruz, Karla;
Sepulveda‐Jauregui, Armando;
Isenbeck‐Schröter, Margot

Publication type:

Article

Vanilla authenticity control by DNA barcoding and isotope data aggregation.

Published in:

Flavour & Fragrance Journal, 2017, v. 32, n. 4, p. 228, doi. 10.1002/ffj.3379

By:

Geißler, Katrin;
Greule, Markus;
Schäfer, Uwe;
Hans, Joachim;
Geißler, Torsten;
Meier, Lars;
Keppler, Frank;
Krammer, Gerhard

Publication type:

Article

Works by Markus Greule

Improved rapid authentication of vanillin using δC and δH values.

Feed additives: authenticity assessment using multicomponent-/multielement-isotope ratio mass spectrometry.

Heptan-2-ol and trans -linalool oxide (fur.) as inherent indicators of natural blackberry flavour using enantioselective and multielement-MDGC-IRMS analysis.

Isotopic composition of H<sub>2</sub> from wood burning: Dependency on combustion efficiency, moisture content, and δD of local precipitation.

A simple rapid method to precisely determine <sup>13</sup>C/<sup>12</sup>C ratios of plant methoxyl groups.

A rapid and precise method for determination of D/H ratios of plant methoxyl groups.

Climate signals in stable carbon and hydrogen isotopes of lignin methoxy groups from southern German beech trees.

Insolation and Greenhouse Gas Forcing of the South American Monsoon System Across Three Glacial‐Interglacial Cycles.

Climate signals in stable carbon and hydrogen isotopes of lignin methoxy groups from southern German beech trees.

Evidence for a major missing source in the global chloromethane budget from stable carbon isotopes.

Mass spectrometric measurement of hydrogen isotope fractionation for the reactions of chloromethane with OH and Cl.

Chloromethane Degradation in Soils: A Combined Microbial and Two-Dimensional Stable Isotope Approach.

Triple‐Element Stable Isotope Analysis of Chloromethane Emitted by Royal Fern and Degraded by Club Moss.

The 'photosynthetic C<sub>1</sub> pathway' links carbon assimilation and growth in California poplar.

Chloromethane release from carbonaceous meteorite affords new insight into Mars lander findings.

Organic compounds in fluid inclusions of Archean quartz—Analogues of prebiotic chemistry on early Earth.

Probing the diversity of chloromethane-degrading bacteria by comparative genomics and isotopic fractionation.

Identification of methanogenic pathways in anaerobic digesters using stable carbon isotopes.

The stable carbon isotope signature of methane produced by saprotrophic fungi.

δ H, δ C and δ O from whole wood, α -cellulose and lignin methoxyl groups in Pinus sylvestris : a multi-parameter approach.

Stable hydrogen and carbon isotope ratios of methoxyl groups during plant litter degradation.

Evidence of anaerobic syntrophic acetate oxidation in biogas batch reactors by analysis of C carbon isotopes.

Stable isotope determination of ester and ether methyl moieties in plant methoxyl groups.

Using stable carbon isotopes of lignin-derived methoxy to improve historical apportionments of particulate organic matter and sediment sources incorporating multiple Suess corrections.

Methyl sulfates as methoxy isotopic reference materials for δ<sup>13</sup>C and δ<sup>2</sup>H measurements.

Warm season precipitation signal in δ<sup>2</sup>H values of wood lignin methoxyl groups from high elevation larch trees in Switzerland.

The stable carbon isotope signature of methane produced by saprotrophic fungi.

Evidence for a major missing source in the global chloromethane budget from stable carbon isotopes.

Mass spectrometric measurement of hydrogen isotope fractionation for the reactions of chloromethane with OH and Cl.

Position-specific isotope analysis of the methyl group carbon in methylcobalamin for the investigation of biomethylation processes.

A fast and sensitive method for the continuous in situ determination of dissolved methane and its δ<sup>13</sup>C‐isotope ratio in surface waters.

Vanilla authenticity control by DNA barcoding and isotope data aggregation.