Steffen Kümmel - Helmholtz-Zentrum für Umweltforschung UFZ
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Markus Kraus
Anett Georgi
Katrin Mackenzie
Ulf Roland
Navid Saeidi
Ariette Schierz
Carsten Vogt
Ivonne Nijenhuis
Matthias Gehre
Steffen Kümmel
Matthias Schmidt
Hryhoriy Stryhanyuk
Frank Holzer
Pegah Fatehbasharzad
Shuting Li
Haojie Zhang
Felix Weinhardt
Diana Eckstein
Raphael Hopp
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Steffen Kümmel
Steffen Kümmel
Kontakt / Addresse
E-mail:
steffen.kuemmel@ufz.de
Tel.: +49 (0) 341 6025 1362
Fax: +49 (0) 341 6025 1443
Department Technische Biogeochemie
Helmholtz Zentrum für Umweltforschung - UFZ
Permoserstraße 15,
04318 Leipzig
Curriculum Vitae
seit 2022
Wissenschaftlicher Labormanager des Isotopenlabors - Leipzig, Department Technische Biogeochemie (bis 2023 Isotopen Biogeochemie), UFZ
2016 – 2022
PostDoc, Department Isotopen Biogeochemie, UFZ
2011 – 2016
Doktorand, Universität Freiburg (Fakultät für Biologie) und UFZ (Department Isotopen Biogeochemie)
2008 – 2010
Master of Science in Biochemie, Universität Leipzig
2005 – 2008
Bachelor of Science in Biochemie, Universität Leipzig
ResearchMein Hauptinteresse gilt der Entwicklung von Analysemethoden für stabile Isotope, um das Verständnis für den Lebenszyklus von Chemikalien in der Umwelt zu verbessern. Meine Forschung konzentriert sich auf die Online-Analyse stabiler Isotope, z. B. mit Hilfe von Elementaranalysatoren (EA), Gaschromatographie (GC) oder Flüssigchromatographie (LC), die mit Konversionseinheiten und Massendetektoren gekoppelt sind, wie z. B. Isotopen-Verhältnis-Massenspektrometer (IRMS) und Massenspektrometrie mit induktiv gekoppeltem Plasma (MC-ICPMS). Weitere Informationen über mein Fachwissen und die technischen Möglichkeiten unsers Labors finden Sie auf der 
LSI website
.
Publications & other contributions
Inhalt:
2026 (2)
2025 (12)
2024 (21)
2023 (9)
2022 (7)
2021 (5)
2020 (7)
2019 (4)
2018 (7)
2017 (2)
2016 (2)
2015 (2)
2014 (1)
2013 (1)
Weiterführende Recherchen können Sie in unserem Publikationsverzeichnis durchführen.
2026 (2)
Gao, S., Koch, B.P., Kümmel, S., Tebben, J., Lechtenfeld, O.J. (2026):
Determination of stable carbon isotope ratios for molecules in natural organic matter using ESI FT-ICR MS
Sci. Adv. 12 (25), eaee5238
10.1126/sciadv.aee5238
Phillips, E., De Vera, J., Kümmel, S., Bulka, O., Chen, W., Edwards, E., Nijenhuis, I., Gehre, M., Sherwood Lollar, B. (2026):
Isotopic fractionation and masking effects during biotransformation of chlorinated ethanes
Environ. Sci. Technol. 60 (22), 15940 - 15951
10.1021/acs.est.5c14089zum Inhalt2025 (12)
Camin, F., Besic, D., Brewer, P.J., Allison, C.E., Coplen, T.B., Dunn, P.J.H., Gehre, M., Gröning, M., Meijer, H.A.J., Hélie, J.-F., Iacumin, P., Kraft, R., Krajnc, B., Kümmel, S., Lee, S., Meija, J., Mester, Z., Mohn, J., Moossen, H., Qi, H., Skrzypek, G., Sperlich, P., Viallon, J., Wassenaar, L.I., Wielgosz, R.I. (2025):
Stable isotope reference materials and scale definitions — Outcomes of the 2024 IAEA experts meeting
Rapid Commun. Mass Spectrom. 39 (14), e10018
10.1002/rcm.10018
Haenelt, S., Akay, C., Richnow, H.-H., Kümmel, S., Stryhanyuk, H., Müller, J.A., Musat, N. (2025):
Compartment-specific effect of sulfamethoxazole at low μg/L concentrations on microbial nitrogen assimilation in a river system
Water Res. X 28 , art. 100390
10.1016/j.wroa.2025.100390
Haluska, A.A., Blendinger, E., Rügner, H., Buchner, D., Duda, J.-P., Thiel, V., Blumenberg, M., Ostertag-Henning, C., Kümmel, S., Grathwohl, P. (2025):
Hydrocarbons, hydrogen, and organic acids generation by ball milling and batch incubation of sedimentary rocks
Appl. Geochem. 178 , art. 106160
10.1016/j.apgeochem.2024.106160
Hauer, A., Zuev, A., Chatzinotas, A., Jurburg, S., Kümmel, S., Potapov, A. (2025):
Tracking assimilation of microbial biomass, leaf litter and artificially created soil organic matter by soil fauna using multi-resource stable isotope labelling
Eur. J. Soil Biol. 126 , art. 103752
10.1016/j.ejsobi.2025.103752
Kempf, K., Kümmel, S., Gehre, M., Kempf, O., Steinberg, P., Molkentin, J., Münch, S., Jira, W. (2025):
A comprehensive view on the fate of 15N isotope-labeled nitrite in model systems for cured and heated sausages
Food Chem. 493, Part 2 , art. 145755
10.1016/j.foodchem.2025.145755
Khaliq, S., Schlenker, A., Kümmel, S., Höhn, D., Jochmann, M.A., Kerpen, K., Fink, P., Weitere, M., Schmidt, T.C. (2025):
Spatial and temporal patterns of Gammarus sp. in lowland streams analyzed through amino acid isotope analysis
Int. Rev. Hydrobiol. 110 (2), 151 - 165
10.1002/iroh.70024
Kümmel, S., Ottosen, C.F., Olsson, M.E., Broholm, M.M., Bjerg, P.L., Richnow, H.H. (2025):
Development of a 13C and 34S isotope analysis method for sulfadimidine and its potential to trace contaminant transformation in groundwater systems
Anal. Chem. 97 (7), 4014 - 4020
10.1021/acs.analchem.4c05625
Liu, X., Köpke, J., Akay, C., Kümmel, S., Imfeld, G. (2025):
Sulfamethoxazole transformation by heat-activated persulfate: Linking transformation products patterns with carbon and nitrogen isotope fractionation
Environ. Sci. Technol. 59 (11), 5704 - 5714
10.1021/acs.est.4c09732
Min, N., Yao, J., Li, H., Kümmel, S., Schaefer, T., Hermann, H., Richnow, H.H. (2025):
Multi-element isotope fractionation analysis to investigate the photosensitized reactions of humic substance with 3-chloroaniline
Water Res. 282 , art. 123633
10.1016/j.watres.2025.123633
Min, N., Yao, J., Li, H., Kümmel, S., Schaefer, T., Herrmann, H., Richnow, H.H. (2025):
Carbon, hydrogen, nitrogen and chlorine isotope fractionation during 3-chloroaniline transformation in aqueous environments by direct photolysis, TiO2 photocatalysis and hydrolysis
Water Res. 273 , art. 122956
10.1016/j.watres.2024.122956
Wang, Z., Yang, Y., Kümmel, S., Richnow, H.-H., Nijenhuis, I., Vogt, C. (2025):
Heterotrophic nitrate reduction potential of an aquifer microbial community from psychrophilic to thermophilic conditions
Sci. Total Environ. 967 , art. 178716
10.1016/j.scitotenv.2025.178716
Yu, H., Ma, L., Kümmel, S., Liu, X., Schaefer, T., Herrmann, H., Richnow, H.-H. (2025):
Multi-element compound-specific stable isotope analysis (2H, 13C, 15N, 33/34S) to characterize the mechanism of sulfate and hydroxyl radical reaction and photolysis of benzothiazole
Water Res. 279 , art. 123479
10.1016/j.watres.2025.123479zum Inhalt2024 (21)
Abbas, G., Jomaa, S., Fink, P., Brosinsky, A., Nowak, K.M., Kümmel, S., Schkade, U.-K., Rode, M. (2024):
Investigating sediment sources using compound-specific stable isotopes and conventional fingerprinting methods in an agricultural loess catchment
Catena 246 , art. 108336
10.1016/j.catena.2024.108336
Burr, D.J., Drauschke, J., Kanevche, K., Kümmel, S., Stryhanyuk, H., Heberle, J., Perfumo, A., Elsaesser, A. (2024):
Stable isotope probing-nanoFTIR for quantitation of cellular metabolism and observation of growth-dependent spectral features
Small 20 (36), art. 2400289
10.1002/smll.202400289
Chen, S.-C., Chen, S., Musat, N., Kümmel, S., Ji, J., Braad Lund, M., Gilbert, A., Lechtenfeld, O.J., Richnow, H.-H., Musat, F. (2024):
Energetics of archaeal anaerobic oxidation of butane
figshare
10.6084/m9.figshare.25499440.v1
Chen, S.-C., Chen, S., Musat, N., Kümmel, S., Ji, J., Braad Lund, M., Gilbert, A., Lechtenfeld, O.J., Richnow, H.-H., Musat, F. (2024):
Back flux during anaerobic oxidation of butane supports archaea-mediated alkanogenesis
Nat. Commun. 15 , art. 9628
10.1038/s41467-024-53932-9
Hofstetter, T.B., Bakkour, R., Buchner, D., Eisenmann, H., Fischer, A., Gehre, M., Haderlein, S.B., Höhener, P., Hunkeler, D., Imfeld, G., Jochmann, M.A., Kümmel, S., Martin, P.R., Pati, S.G., Schmidt, T.C., Vogt, C., Elsner, M. (2024):
Perspectives of compound-specific isotope analysis of organic contaminants for assessing environmental fate and managing chemical pollution
Nat. Water 2 (1), 14 - 30
10.1038/s44221-023-00176-4
Horst, A., Gehre, M., Fahle, M., Kümmel, S. (2024):
Continuous-flow stable sulfur isotope analysis of organic and inorganic compounds by EA-MC-ICPMS
Anal. Chem. 96 (21), 8510 - 8517
10.1021/acs.analchem.4c00439
Khan, M.I., Yoo, K., Schwab, L., Kümmel, S., Nijenhuis, I. (2024):
Characterization of anaerobic biotransformation of hexachlorocyclohexanes by novel microbial consortia enriched from channel and river sediments
J. Hazard. Mater. 476 , art. 135198
10.1016/j.jhazmat.2024.135198
Lennartz, S., Byrne, H.A., Kümmel, S., Krauss, M., Nowak, K.M. (2024):
Hydrogen isotope labeling unravels origin of soil-bound organic contaminant residues in biodegradability testing [Dataset]
figshare
10.6084/m9.figshare.25954396.v1
Lennartz, S., Byrne, H.A., Kümmel, S., Krauss, M., Nowak, K.M. (2024):
Hydrogen isotope labeling unravels origin of soil-bound organic contaminant residues in biodegradability testing
Nat. Commun. 15 , art. 9178
10.1038/s41467-024-53478-w
Liu, X., Akay, C., Köpke, J., Kümmel, S., Richnow, H.H., Imfeld, G. (2024):
Direct phototransformation of sulfamethoxazole characterized by four-dimensional element compound specific isotope analysis
Environ. Sci. Technol. 58 (23), 10322 - 10333
10.1021/acs.est.4c02666
Liu, X., Kümmel, S., Wu, L., Richnow, H.H. (2024):
Tracking the transformation of persistent organic pollutants in food webs using multi element isotope and enantiomer fractionation
J. Hazard. Mater. 469 , art. 134046
10.1016/j.jhazmat.2024.134046
Nassery, H.R., Shahsavari, A.A., Vogt, C., Kümmel, S., Kuntze, K., Khodaei, K., Nikpeyman, Y., Richnow, H.-H. (2024):
Source differentiation of BTEX compounds in groundwater contaminated due to refinery activities
J. Environ. Manage. 366 , art. 121893
10.1016/j.jenvman.2024.121893
Ottosen, C.F., Bjerg, P.L., Kümmel, S., Richnow, H.H., Middeldorp, P., Draborg, H., Lemaire, G.G., Broholm, M.M. (2024):
Natural attenuation of sulfonamides and metabolites in contaminated groundwater – Review, advantages and challenges of current documentation techniques
Water Res. 254 , art. 121416
10.1016/j.watres.2024.121416
Pasqualini, J., Graeber, D., Bartusch, A., Kümmel, S., Duran Hernandez, Z.L., Musat, N., Sunjidmaa, N., Weitere, M., Brauns, M. (2024):
Disentangling effects of multiple agricultural stressors on benthic and hyporheic nitrate uptake
Biogeochemistry 167 (3), 287 - 299
10.1007/s10533-024-01130-6
Phillips, E., Picott, K., Kümmel, S., Bulka, O., Edwards, E., Wang, P.-H., Gehre, M., Nijenhuis, I., Lollar, B.S. (2024):
Vitamin B12 as a source of variability in isotope effects for chloroform biotransformation by Dehalobacter
MicrobiologyOpen 13 (4), e1433
10.1002/mbo3.1433
Vinyes-Nadal, M., Kümmel, S., Espín, Y., Gómez-Alday, J.J., Gehre, M., Otero, N., Torrentó, C. (2024):
Dual C and Cl compound-specific isotope analysis and metagenomic insights into the degradation of the pesticide methoxychlor
J. Hazard. Mater. 480 , art. 135929
10.1016/j.jhazmat.2024.135929
Vinyes-Nadal, M., Masbou, J., Kümmel, S., Gehre, M., Imfeld, G., Otero, N., Torrentó, C. (2024):
Novel extraction methods and compound-specific isotope analysis of methoxychlor in environmental water and aquifer slurry samples
Sci. Total Environ. 931 , art. 172858
10.1016/j.scitotenv.2024.172858
Wang, T., Planer-Friedrich, B., Kümmel, S., Muehe, E.M. (2024):
Climatic conditions impact As and Cd mobility differently in flooded paddy soils
EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024
EGUsphere
Copernicus Publications, EGU24-16246
10.5194/egusphere-egu24-16246
Xiang, Q., Stryhanyuk, H., Schmidt, M., Kümmel, S., Richnow, H.H., Zhu, Y.-G., Cui, L., Musat, N. (2024):
Stable isotopes and nanoSIMS single-cell imaging reveals soil plastisphere colonizers able to assimilate sulfamethoxazole
Environ. Pollut. 355 , art. 124197
10.1016/j.envpol.2024.124197
Zhang, X., Zheng, Y., Su, Z., Wang, Z., Zhang, J., Jia, Z., Kümmel, S., Qin, C., Liu, Y., Wang, S., Nijenhuis, I., Richnow, H.H. (2024):
Anaerobic biotransformation of hexachlorocyclohexane isomers in aqueous condition: dual C-Cl isotope fractionation and impact on microbial community compositions
Water Res. 254 , art. 121389
10.1016/j.watres.2024.121389
Zhu, M., Liu, Y., He, Y., Kuemmel, S., Wu, L., Shen, D., Richnow, H.H. (2024):
Multi-element (2H, 13C, 37Cl) isotope analysis to characterize reductive transformation of α-, β-, γ-, and δ-HCH isomers by cobalamin and Fe0 nanoparticles
J. Hazard. Mater. 480 , art. 135932
10.1016/j.jhazmat.2024.135932zum Inhalt2023 (9)
Bredum, S.K., Strathe, A.V., Jacobsen, J., Christoffersen, B.Ø., Gehre, M., Kümmel, S., Junghans, P., Marcussen, C. (2023):
Quantifying energy expenditure in Göttingen Minipigs with the 13C-bicarbonate method under basal and drug-treated conditions
Clin. Nutr. ESPEN 58 , 388 - 396
10.1016/j.clnesp.2023.10.041
Davoudpour, Y., Kümmel, S., Musat, N., Richnow, H.H., Schmidt, M. (2023):
Tracking deuterium uptake in hydroponically grown maize roots using correlative helium ion microscopy and Raman micro-spectroscopy
Plant Methods 19 , art. 71
10.1186/s13007-023-01040-y
Hellmold, N., Eberwein, M., Phan, M.H.T., Kümmel, S., Einsle, O., Deobald, D., Adrian, L. (2023):
Dehalococcoides mccartyi strain CBDB1 takes up protons from the cytoplasm to reductively dehalogenate organohalides indicating a new modus of proton motive force generation
Front. Microbiol. 14 , art. 1305108
10.3389/fmicb.2023.1305108
Liu, X., Kümmel, S., Trapp, S., Richnow, H.H. (2023):
Uptake and transformation of hexachlorocyclohexane isomers (HCHs) in tree growth rings at a contaminated field site
Environ. Sci. Technol. 57 (23), 8776 - 8784
10.1021/acs.est.3c01929
Liu, X., Wu, L., Kümmel, S., Gehre, M., Richnow, H.H. (2023):
Determination of stable hydrogen isotopic composition and isotope enrichment factor at low hydrogen concentration
Anal. Chem. 95 (44), 16272 - 16278
10.1021/acs.analchem.3c03214
Min, N., Yao, J., Li, H., Chen, Z., Pang, W., Zhu, J., Kümmel, S., Schaefer, T., Herrmann, H., Richnow, H.H. (2023):
Humic substance photosensitized degradation of phthalate characterized by 2H and 13C isotope fractionation
Environ. Sci. Technol. 57 (5), 1930 - 1939
10.1021/acs.est.2c06783
Min, N., Yao, J., Li, H., Zhu, J., Kümmel, S., Schaefer, T., Herrmann, H., Richnow, H.H. (2023):
Carbon isotope fractionation of di-(2-ethylhexyl)-phthalate during photosensitized degradation by •OH and SO4·- for characterization of reaction mechanisms
Chem. Eng. J. 475 , art. 145950
10.1016/j.cej.2023.145950
Min, N., Yao, J., Zhu, J., Kümmel, S., Lechtenfeld, O.J., Schaefer, T., Herrmann, H., Richnow, H.H. (2023):
Carbon and hydrogen isotope fractionation of phthalates during photocatalysis reactions in aqueous solution containing Fe(III) complexes or iron minerals
Water Res. 247 , art. 120740
10.1016/j.watres.2023.120740
Ouyang, W.-Y., Kümmel, S., Adrian, L., Zhu, Y.-G., Richnow, H.H. (2023):
Carbon and hydrogen stable isotope fractionation of sulfamethoxazole during anaerobic transformation catalyzed by Desulfovibrio vulgaris Hildenborough
Chemosphere 311, Part 2 , art. 136923
10.1016/j.chemosphere.2022.136923zum Inhalt2022 (7)
Buchner, D., Martin, P.R., Scheckenbach, J., Kümmel, S., Gelman, F., Haderlein, S.B. (2022):
Expanding the calibration range of compound-specific chlorine isotope analysis by the preparation of a 37Cl-enriched tetrachloroethylene
Rapid Commun. Mass Spectrom. 36 (21), e9378
10.1002/rcm.9378
Liu, X., Wu, L., Kümmel, S., Richnow, H.H. (2022):
Stable isotope fractionation associated with the synthesis of hexachlorocyclohexane isomers for characterizing sources
Chemosphere 296 , art. 133938
10.1016/j.chemosphere.2022.133938
Liu, X., Yang, A., Kümmel, S., Richnow, H.H. (2022):
Uptake and metabolization of HCH isomers in trees examined over an annual growth period by compound-specific isotope analysis and enantiomer fractionation
Environ. Sci. Technol. 56 (14), 10120 - 10130
10.1021/acs.est.2c02697
Liu, Y., Fu, J., Wu, L., Kümmel, S., Nijenhuis, I., Richnow, H.H. (2022):
Characterization of hexachlorocyclohexane isomer dehydrochlorination by LinA1 and LinA2 using multi-element compound-specific stable isotope analysis
Environ. Sci. Technol. 56 (23), 16848 - 16856
10.1021/acs.est.2c05334
Malina, N., Kümmel, S., Richnow, H.H., Vogt, C. (2022):
Analysis of carbon and hydrogen stable isotope ratios of phenolic compounds: method development and biodegradation applications
ACS ES&T Water 2 (1), 32 - 39
10.1021/acsestwater.1c00218
Phillips, E., Bulka, O., Picott, K., Kümmel, S., Edwards, E., Nijenhuis, I., Gehre, M., Dworatzek, S., Webb, J., Sherwood Lollar, B. (2022):
Investigation of active site amino acid influence on carbon and chlorine isotope fractionation during reductive dechlorination
FEMS Microbiol. Ecol. 98 (8), fiac072
10.1093/femsec/fiac072
Tamisier, M., Schmidt, M., Vogt, C., Kümmel, S., Stryhanyuk, H., Musat, N., Richnow, H.-H., Musat, F. (2022):
Iron corrosion by methanogenic archaea characterized by stable isotope effects and crust mineralogy
Environ. Microbiol. 24 (2), 583 - 595
10.1111/1462-2920.15658zum Inhalt2021 (5)
Gilevska, T., Sullivan Ojeda, A., Kuemmel, S., Gehre, M., Seger, E., West, K., Morgan, S.A., Mack, E.E., Sherwood Lollar, B. (2021):
Multi-element isotopic evidence for monochlorobenzene and benzene degradation under anaerobic conditions in contaminated sediments
Water Res. 207 , art. 117809
10.1016/j.watres.2021.117809
Liu, X., Bonhomme, J., Merbach, I., Kümmel, S., Richnow, H.H. (2021):
Uptake of α-HCH by wheat from the gas phase and translocation to soil analyzed by a stable carbon isotope labeling experiment
Chemosphere 264 (Part 2), art. 128489
10.1016/j.chemosphere.2020.128489
Liu, X., Li, W., Kümmel, S., Merbach, I., Sood, U., Gupta, V., Lal, R., Richnow, H.H. (2021):
Soil from a hexachlorocyclohexane contaminated field site inoculates wheat in a pot experiment to facilitate the microbial transformation of β-hexachlorocyclohexane examined by compound-specific isotope analysis
Environ. Sci. Technol. 55 (20), 13812 - 13821
10.1021/acs.est.1c03322
Liu, X., Wu, L., Kümmel, S., Richnow, H.H. (2021):
Characterizing the biotransformation of hexachlorocyclohexanes in wheat using compound-specific stable isotope analysis and enantiomer fraction analysis
J. Hazard. Mater. 406 , art. 124301
10.1016/j.jhazmat.2020.124301
Wu, L., Suchana, S., Flick, R., Kümmel, S., Richnow, H., Passeport, E. (2021):
Carbon, hydrogen and nitrogen stable isotope fractionation allow characterizing the reaction mechanisms of 1H-benzotriazole aqueous phototransformation
Water Res. 203 , art. 117519
10.1016/j.watres.2021.117519zum Inhalt2020 (7)
Dalby, F.R., Hansen, M.J., Feilberg, A., Kümmel, S., Nikolausz, M. (2020):
Effect of tannic acid combined with fluoride and lignosulfonic acid on anaerobic digestion in the agricultural waste management chain
Bioresour. Technol. 307 , art. 123171
10.1016/j.biortech.2020.123171
Gilevska, T., Sullivan Ojeda, A., Renpenning, J., Kümmel, S., Gehre, M., Nijenhuis, I. (2020):
Requirements for chromium reactors for use in the determination of H isotopes in compound-specific stable isotope analysis cf chlorinated compounds
Anal. Chem. 92 (3), 2383 - 2387
10.1021/acs.analchem.9b04737
Günthel, M., Klawonn, I., Woodhouse, J., Bižić, M., Ionescu, D., Ganzert, L., Kümmel, S., Nijenhuis, I., Zoccarato, L., Grossart, H.-P., Tang, K.W. (2020):
Photosynthesis‐driven methane production in oxic lake water as an important contributor to methane emission
Limnol. Oceanogr. 65 (12), 2853 - 2865
10.1002/lno.11557
Klawonn, I., Eichner, M.J., Wilson, S.T., Moradi, N., Thamdrup, B., Kümmel, S., Gehre, M., Khalili, A., Grossart, H.-P., Karl, D.M., Ploug, H. (2020):
Distinct nitrogen cycling and steep chemical gradients in Trichodesmium colonies
ISME J.  14 (2), 399 - 412
10.1038/s41396-019-0514-9
Kümmel, S., Horst, A., Gelman, F., Strauss, H., Richnow, H.H., Gehre, M. (2020):
Simultaneous compound-specific analysis of δ33S and δ34S in organic compounds by GC-MC-ICPMS using medium- and low-mass-resolution modes
Anal. Chem. 92 (21), 14685 - 14692
10.1021/acs.analchem.0c03253
Liu, X., Wu, L., Kümmel, S., Merbach, I., Lal, R., Richnow, H.H. (2020):
Compound-specific isotope analysis and enantiomer fractionation to characterize the transformation of hexachlorocyclohexane isomers in a soil–wheat pot system
Environ. Sci. Technol. 54 (14), 8690 - 8698
10.1021/acs.est.9b07609
Liu, Y., Kümmel, S., Yao, J., Nijenhuis, I., Richnow, H.-H. (2020):
Dual C–Cl isotope analysis for characterizing the anaerobic transformation of α, β, γ, and δ-hexachlorocyclohexane in contaminated aquifers
Water Res. 184 , art. 116128
10.1016/j.watres.2020.116128zum Inhalt2019 (4)
Lihl, C., Renpenning, J., Kümmel, S., Gelman, F., Schürner, H.K.V., Daubmeier, M., Heckel, B., Melsbach, A., Bernstein, A., Shouakar-Stash, O., Gehre, M., Elsner, M. (2019):
Toward improved accuracy in chlorine isotope analysis: Synthesis routes for in-house standards and characterization via complementary mass spectrometry methods
Anal. Chem. 91 , 12290 - 12297
10.1021/acs.analchem.9b02463
Löffler, M., Kümmel, S., Vogt, C., Richnow, H.-H. (2019):
H2 kinetic isotope fractionation superimposed by equilibrium isotope fractionation during hydrogenase activity of D. vulgaris strain Miyazaki
Front. Microbiol. 10 , art. 1545
10.3389/fmicb.2019.01545
Torgonskaya, M.L., Zyakun, A.M., Trotsenko, Y.A., Laurinavichius, K.S., Kümmel, S., Vuilleumier, S., Richnow, H.H. (2019):
Individual stages of bacterial dichloromethane degradation mapped by stable carbon and chlorine isotope analysis
J. Environ. Sci. 78 , 147 - 160
10.1016/j.jes.2018.09.008
Winkler, P., Kaiser, K., Jahn, R., Mikutta, R., Fiedler, S., Cerli, C., Kölbl, A., Schulz, S., Jankowska, M., Schloter, M., Müller-Niggemann, C., Schwark, L., Woche, S.K., Kümmel, S., Utami, S.R., Kalbitz, K. (2019):
Tracing organic carbon and microbial community structure in mineralogically different soils exposed to redox fluctuations
Biogeochemistry 143 (1), 31 - 54
10.1007/s10533-019-00548-7zum Inhalt2018 (7)
Bhattarai, S., Cassarini, C., Rene, E.R., Kümmel, S., Esposito, G., Lens, P.N.L. (2018):
Enrichment of ANME‐2 dominated anaerobic methanotrophy from cold seep sediment in an external ultrafiltration membrane bioreactor
Eng. Life Sci. 18 (6 ), 368 - 378
10.1002/elsc.201700148
Chevallier, M.L., Cooper, M., Kümmel, S., Barbance, A., Le Paslier, D., Richnow, H.H., Saaidi, P.-L., Adrian, L. (2018):
Distinct carbon isotope fractionation signatures during biotic and abiotic reductive transformation of chlordecone
Environ. Sci. Technol. 52 (6), 3615 - 3624
10.1021/acs.est.7b05394
Filippini, M., Nijenhuis, I., Kümmel, S., Chiarini, V., Crosta, G., Richnow, H.H., Gargini, A. (2018):
Multi-element compound specific stable isotope analysis of chlorinated aliphatic contaminants derived from chlorinated pitches
Sci. Total Environ. 640-641 , 153 - 162
10.1016/j.scitotenv.2018.05.285
Franke, S., Kümmel, S., Nijenhuis, I. (2018):
Liquid chromatography/isotope ratio mass spectrometry analysis of halogenated benzoates for characterization of the underlying degradation reaction in Thauera chlorobenzoica CB‐1T
Rapid Commun. Mass Spectrom. 32 (11), 906 - 912
10.1002/rcm.8113
Liu, J., Wu, L., Kümmel, S., Yao, J., Schaefer, T., Herrmann, H., Richnow, H.-H. (2018):
Carbon and hydrogen stable isotope analysis for characterizing the chemical degradation of tributyl phosphate
Chemosphere 212 , 133 - 142
10.1016/j.chemosphere.2018.08.034
Sousa, D.Z., Visser, M., van Gelder, A.H., Boeren, S., Pieterse, M.M., Pinkse, M.W.H., Verhaert, P.D.E.M., Vogt, C., Franke, S., Kümmel, S., Stams, A.J.M. (2018):
The deep-subsurface sulfate reducer Desulfotomaculum kuznetsovii employs two methanol-degrading pathways
Nat. Commun. 9 , art. 239
10.1038/s41467-017-02518-9
Stryhanyuk, H., Calabrese, F., Kümmel, S., Musat, F., Richnow, H.-H., Musat, N. (2018):
Calculation of single cell assimilation rates from SIP-nanoSIMS-derived isotope ratios: a comprehensive approach
Front. Microbiol. 9 , art. 2342
10.3389/fmicb.2018.02342zum Inhalt2017 (2)
Gehre, M., Renpenning, J., Geilmann, H., Qi, H., Coplen, T.B., Kümmel, S., Ivdra, N., Brand, W.A., Schimmelmann, A. (2017):
Optimization of on-line hydrogen stable isotope ratiomeasurements of halogen- and sulfur-bearing organic compounds using elemental analyzer–chromium/high-temperature conversion isotope ratio mass spectrometry (EA-Cr/HTC-IRMS)
Rapid Commun. Mass Spectrom. 31 (6), 475 - 484
10.1002/rcm.7810
Wu, L., Kümmel, S., Richnow, H.H. (2017):
Validation of GC–IRMS techniques for δ13C and δ2H CSIA of organophosphorus compounds and their potential for studying the mode of hydrolysis in the environment
Anal. Bioanal. Chem. 409 (10), 2581 - 2590
10.1007/s00216-017-0203-3zum Inhalt2016 (2)
Kümmel, S., Starke, R., Chen, G., Musat, F., Richnow, H.H., Vogt, C. (2016):
Hydrogen isotope fractionation as a tool to identify aerobic and anaerobic PAH biodegradation
Environ. Sci. Technol. 50 (6), 3091 - 3100
10.1021/acs.est.5b04819
Nijenhuis, I., Renpenning, J., Kümmel, S., Richnow, H.H., Gehre, M. (2016):
Recent advances in multi-element compound-specific stable isotope analysis of organohalides: Achievements, challenges and prospects for assessing environmental sources and transformation
Trends Environ. Anal. Chem. 11 , 1 - 8
10.1016/j.teac.2016.04.001zum Inhalt2015 (2)
Hoth, N., Gniese, C., Rakoczy, J., Weber, A., Kümmel, S., Reichel, S., Freese, C., Hache, M., Kassahun, A., Schulz, A., Fischer, H., Mühling, M., Starke, R., Kahnt, R., Vogt, C., Richnow, H.-H., Krüger, M., Schippers, A., Schlömann, M. (2015):
CO2BioPerm — influence of bio-geochemical CO2-transformation processes on the long-term permeability
In: Liebscher, A., Münch, U. (eds.)
Geological Storage of CO2 – Long Term Security Aspects. GEOTECHNOLOGIEN Science Report No. 22
Advanced Technologies in Earth Sciences
Springer, Berlin, Heidelberg, p. 73 - 96
10.1007/978-3-319-13930-2_4
Kümmel, S., Herbst, F.-A., Bahr, A., Duarte, M., Pieper, D.H., Jehmlich, N., Seifert, J., von Bergen, M., Bombach, P., Richnow, H.H., Vogt, C. (2015):
Anaerobic naphthalene degradation by sulfate-reducing Desulfobacteraceae from various anoxic aquifers
FEMS Microbiol. Ecol. 91 (3), fiv006
10.1093/femsec/fiv006zum Inhalt2014 (1)
Morris, B.E.L., Gissibl, A., Kümmel, S., Richnow, H.-H., Boll, M. (2014):
A PCR-based assay for the detection of anaerobic naphthalene degradation
FEMS Microbiol. Lett. 354 (1), 55 - 59
10.1111/1574-6968.12429zum Inhalt2013 (1)
Kümmel, S., Kuntze, K., Vogt, C., Boll, M., Heider, J., Richnow, H.H. (2013):
Evidence for benzylsuccinate synthase subtypes obtained by using stable isotope tools
J. Bacteriol. 195 (20), 4660 - 4667
10.1128/JB.00477-13zum Inhalt
Zugriffe: 3906
geändert: 06.11.2024
Inhalt: Arne Bahr
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