Polag, D., H. Heuwinkel, S. Laukenmann, M. Greule and F. Keppler: Evidence of anaerobic syntrophic acetate oxidation in biogas batch reactors by analysis of 13C carbon isotopes. In: Isotopes in Environmental and Health Studies 49, 3, 365-377 (2013).
Wuerfel, O., M. Greule, F. Keppler, M. A. Jochmann and T. C. Schmidt: Position-specific isotope analysis of the methyl group carbon in methylcobalamin for the investigation of biomethylation processes. In: Analytical and Bioanalytical Chemistry 405, 9, 2833-2841 (2013).
Gori, Y., R. Wehrens, M. Greule, F. Keppler, L. Ziller, N. La Porta and F. Camin: Carbon, hydrogen and oxygen stable isotope ratios of whole wood, cellulose and lignin methoxyl groups of Picea abies as climate proxies. In: Rapid Communications in Mass Spectrometry 27, 1, 265-275 (2013).
Nadalig, T., M. Greule, F. Bringel, S. Vuilleumier and F. Keppler: Hydrogen and carbon isotope fractionation during degradation of chloromethane by methylotrophic bacteria. In: Microbiologyopen 2, 6, 893-900 (2013).
Polag, D., L. C. Krapf, H. Heuwinkel, S. Laukenmann, J. Lelieveld and F. Keppler: Stable carbon isotopes of methane for real-time process monitoring in anaerobic digesters. In: Engineering in Life Sciences (2013).
Greule, M., S. G. Huber and F. Keppler: Stable hydrogen-isotope analysis of methyl chloride emitted from heated halophytic plants. In: Atmospheric Environment 62, 584-592 (2012).
Lenhart, K., M. Bunge, S. Ratering, T. R. Neu, I. Schuttmann, M. Greule, C. Kammann, S. Schnell, C. Müller, H. Zorn and F. Keppler: Evidence for methane production by saprotrophic fungi. In: Nature Communications 3, Seq. No.: 1046 (2012).
Keppler, F., I. Vigano, A. McLeod, U. Ott, M. Früchtl and T. Röckmann: Ultraviolet-radiation-induced methane emissions from meteorites and the Martian atmosphere. In: Nature 486, 7401, 93-96 (2012).
Derendorp, L., A. Wishkerman, F. Keppler, C. McRoberts, R. Holzinger and T. Röckmann: Methyl chloride emissions from halophyte leaf litter: Dependence on temperature and chloride content. In: Chemosphere 87, 5, 483-489 (2012).
Hurkuck, M., F. Althoff, H. F. Jungkunst, A. Jugold and F. Keppler: Release of methane from aerobic soil: An indication of a novel chemical natural process?. In: Chemosphere 86, 6, 684-689 (2012).
The Max Planck Society does not take any responsibility for the content of this export.