Publications by authors named "Daniela Polag"

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Threshold and recovery of anaerobic digestion under high ammonia stress: Influence of COD/NH ratio and CO enrichment.
Mohammad Javad Bardi, Felix Müller, Daniela Polag, Nigus G Habtu, Konrad Koch

Bioresour Technol· October 2025

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The intriguing effect of CO enrichment in anaerobic digestion.
Mohammad Javad Bardi, Felix Müller, Daniela Polag, Nigus Gabbiye Habtu, Konrad Koch

Bioresour Technol· January 2025

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Effect of immune responses on breath methane dynamics.
Daniela Polag, Frank Keppler

J Breath Res· August 2023

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Radical-Driven Methane Formation in Humans Evidenced by Exogenous Isotope-Labeled DMSO and Methionine.
Frank Keppler, Mihály Boros, Daniela Polag

Antioxidants (Basel)· July 2023

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ROS-driven cellular methane formation: Potential implications for health sciences.
Frank Keppler, Leonard Ernst, Daniela Polag, Jingyao Zhang, Mihaly Boros

Clin Transl Med· July 2022

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Effects of CO enrichment on the anaerobic digestion of sewage sludge in continuously operated fermenters.
Meriam Muntau, Michael Lebuhn, Daniela Polag, Yadira Bajón-Fernández, Konrad Koch

Bioresour Technol· July 2021

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Long-term monitoring of breath methane.
Daniela Polag, Frank Keppler

Sci Total Environ· May 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 emissions in human breath.
Frank Keppler, Jan Fischer, Tobias Sattler, Daniela Polag, Nicole Jaeger

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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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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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, Daniela Polag

J Breath Res· January 2016

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Evidence of anaerobic syntrophic acetate oxidation in biogas batch reactors by analysis of 13C carbon isotopes.
Daniela Polag, Hauke Heuwinkel, Stephan Laukenmann, Markus Greule, Frank Keppler

Isotopes Environ Health Stud· June 2014

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Age dependent breath methane in the German population.
Daniela Polag, Ottmar Leiß, Frank Keppler

Sci Total Environ· May 2014

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