Dr. Matthias Gehre

The Laboratory of Stable Isotopes (LSI) in the UFZ was established in 1992 as a part of the Department of Analytical Chemistry. Since 2005 the LSI is integrated in the Department of Isotope Biogeochemistry

Matthias Gehre is the president of the Joint Works Council (Gesamtbetriebsrat) of Helmholtz Centre for Environmental Research - UFZ

Publications

• Alewell, C., Gehre, M. (1999):
  Patterns of stable S isotopes in a forested catchment as indicators for biological S turnover
  Biochemistry 47 , 319 - 333 10.1007/BF00992912
• Alewell, C., Paul, S., Lischeid, G., Kusel, K., Gehre, M. (2006):
  Characterizing the redox status in three different forested wetlands with geochemical data
  Environ. Sci. Technol. 40 (24), 7609 - 7615 10.1021/es061018y
• Arndt, K., Hofmann, D., Gehre, M., Krumbiegel, P. (1997):
  ¹⁵N-investigations on the influence of toluene on the nitrogen metabolism of Tetrahymena pyriformis as a model for environmental medicine
  Isot. Environ. Health Stud. 33 (1-2), 145 10.1080/10256019708036342
• Arndt, K., Hofmann, D., Gehre, M., Krumbiegel, P. (1998):
  ¹⁵N investigation into the effect of a pollutant on the nitrogen metabolism of Tetrahymena pyriformis as a model for environmental medical research
  Environ. Health Perspect. 106 (8), 493 - 497 10.1289/ehp.106-1533201
• Badea, S.L., Vogt, C., Gehre, M., Fischer, A., Danet, A.-F., Richnow, H.-H. (2011):
  Development of an enantiomer-specific stable carbon isotope analysis (ESIA) method for assessing the fate of a-hexachlorocyclo-hexane in the environment
  Rapid Commun. Mass Spectrom. 25 (10), 1363 - 1372 10.1002/rcm.4987
• Bashir, S., Hitzfeld, K.L., Gehre, M., Richnow, H.H., Fischer, A. (2015):
  Evaluating degradation of hexachlorcyclohexane (HCH) isomers within a contaminated aquifer using compound-specific stable carbon isotope analysis (CSIA)
  Water Res. 71 , 187 - 196 10.1016/j.watres.2014.12.033
• Boettger, T., Hiller, A., Gehre, M., Friedrich, M., Kremenetski, C. (2002):
  Climatic response of stable isotope variations in wood cellulose of pine (Pinus sylvestris L.) and their tree-ring width on the Kola Peninsula, north-western Russia
  Study of environmental change using isotope techniques. Proceedings International Conference, Vienna, 23-27 April 2001
  C&S Papers Series 13/P
  International Atomic Energy Agency (IAEA), Vienna, p. 243 - 251
• Böttcher, M.E., Khim, B.K., Suzuki, A., Gehre, M., Wortmann, U., Brumsack, H. (2002):
  Microbial sulfate reduction in deep sediments of the southwest Pacific (ODP Leg 181; Sites 1119 to 1125): Evidence from stable sulfur isotope fractionation and pore water modeling
  Geochim. Cosmochim. Acta 66 (Suppl. 1), A95 10.1016/S0016-7037(02)01007-4
• Böttcher, M.E., Khim, B.K., Suzuki, A., Gehre, M., Wortmann, U., Brumsack, H. (2004):
  Microbial sulfate reduction in deep sediments of the Southwest Pacific (ODP Leg 181, Sites 1119-1125): evidence from stable sulfur isotope fractionation and pore water modeling
  Mar. Geol. 205 (1-4), 249 - 260 10.1016/s0025-3227(04)00026-x
• Böttcher, M.E., Thamdrup, B., Gehre, M., Theune, A. (2005):
  ³⁴S/³²S and ¹⁸O/¹⁶O fractionation during sulfur disproportionation by Desulfobulbus propionicus
  Geomicrobiol. J. 22 (5), 219 - 226 10.1080/01490450590947751
• Böttger, T., Hiller, A., Kremenetski, C., Gehre, M. (2000):
  Stable isotope variations of recent und subfossil ¹⁴C-dated pine samples (Pinus sylvestris L.) from the alpine tree-line on the Kola Peninsula, North-West Russia
  Isot. Environ. Health Stud. 36 (4), 392 10.1080/10256010008055160
• Bottrell, S.H., Böttcher, M.E., Schippers, A., Parkes, R.J., Jørgensen, B.B., Raiswell, R., Telling, J., Gehre, M. (2008):
  Abiotic sulfide oxidation via manganese fuels the deep biosphere
  Geochim. Cosmochim. Acta 72 (12 Suppl.), A102 10.1016/j.gca.2008.05.005
• Brand, W.A., Coplen, T.B., Aerts-Bijma, A., Böhlke, J.K., Gehre, M., Geilmann, H., Gröning, M., Jansen, H.G., Meijer, H.A.J., Mroczkowski, S.J., Qi, H., Soergel, K., Stuart-Williams, H., Weise, S.M., Werner, R.A. (2009):
  Comprehensive inter-laboratory calibration of reference materials for δ¹⁸O versus VSMOW using various on-line high-temperature conversion techniques
  Rapid Commun. Mass Spectrom. 23 (7), 999 - 1019 10.1002/rcm.3958
• Brauns, M., Brabender, M., Gehre, M., Rinke, K., Weitere, M. (2019):
  Organic matter resources fuelling food webs in a human-modified lowland river: importance of habitat and season
  Hydrobiologia 841 (1), 121 - 131 10.1007/s10750-019-04011-4
• 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
• Coplen, T.B., Brand, W.A., Gehre, M., Gröning, M., Meijer, H.A.J., Toman, B., Verkouteren, R.M. (2006):
  After two decades a second anchor for the VPDB δ¹³C scale
  Rapid Commun. Mass Spectrom. 20 (21), 3165 - 3166 10.1002/rcm.2727
• Coplen, T.B., Brand, W.A., Gehre, M., Gröning, M., Meijer, H.A.J., Toman, B., Verkouteren, R.M. (2006):
  New guidelines for δ¹³C measurements
  Anal. Chem. 78 (7), 2439 - 2441 10.1021/ac052027c
• Ehlert von Ahn, C.M., Dellwig, O., Szymczycha, B., Kotwicki, L., Rooze, J., Endler, R., Escher, P., Schmiedinger, I., Sültenfuß, J., Diakakis, M., Gehre, M., Struck, U., Vogler, S., Böttcher, M.E. (2024):
  Submarine groundwater discharge into a semi-enclosed coastal bay of the southern Baltic Sea: A multi-method approach
  Oceanologia 66 (1), 111 - 138 10.1016/j.oceano.2024.01.001
• Fischer, A., Gehre, M., Breitfeld, J., Richnow, H.-H., Vogt, C. (2009):
  Carbon and hydrogen isotope fractionation of benzene during biodegradation under sulfate-reducing conditions: a laboratory to field site approach
  Rapid Commun. Mass Spectrom. 23 (16), 2439 - 2447 10.1002/rcm.4049
• Fischer, A., Theuerkorn, K., Stelzer, N., Gehre, M., Thullner, M., Richnow, H.H. (2007):
  Applicability of stable isotope fractionation analysis for the characterization of benzene biodegradation in a BTEX-contaminated aquifer
  Environ. Sci. Technol. 41 (10), 3689 - 3696 10.1021/es061514m
• Gehre, M. (2024):
  Editorial from the new Editor-in-Chief Matthias Gehre
  Isot. Environ. Health Stud. 60 (3), 227 - 228 10.1080/10256016.2024.2357209
• Gehre, M. (2002):
  High Temperature elemental analysis and pyrolysis
  ASI, Jahrestagung, Rostock-Warnemünde, 25.-27.9.2002
• Gehre, M. (2001):
  High temperature pyrolysis: a new system for isotopic and elemental analysis - new approaches for stable isotope ratio measurements
  New approaches for stable isotope ratio measurements. Proceedings of an Advisory Group meeting held in Vienna, 20–23 September 1999
  IAEA TecDoc 1247
  International Atomic Energy Agency (IAEA), Vienna, p. 33 - 38
• Gehre, M., Arndt, K., Hofmann, D., Krumbiegel, P. (1998):
  Analytical aspects of ¹⁵N-investigation of the nitrogen metabolism of Tetrahymena pyriformis using GC/C-IRMS/MS-MS coupling
  Isot. Environ. Health Stud. 34 (1-2), 219 10.1080/10256019708036349
• Gehre, M., Geilmann, H., Richter, J., Werner, R.A., Brand, W.A. (2004):
  Continuous flow ²H/¹H and ¹⁸O/¹⁶O analysis of water samples with dual inlet precision
  Rapid Commun. Mass Spectrom. 18 (22), 2650 - 2660 10.1002/rcm.1672
• Gehre, M., Hoefling, R., Kowski, P., Strauch, G. (1996):
  Sample preparation device for quantitative hydrogen isotope analysis using chromium metal
  Anal. Chem. 68 (24), 4414 - 4417 10.1021/ac9606766
• Gehre, M., Höfling, R., Kowski, P. (1996):
  Methodical studies for D/H-isotope analysis - a new technique for the direct coupling of sample preparation to an IRMS
  Isot. Environ. Health Stud. 32 (4), 335 - 340 10.1080/10256019608234026
• Gehre, M., Hofmann, D., Weigel, P. (1994):
  Methodische Untersuchungen zum ¹⁵N-ConFlo-IRMS-System. Methodical studies of ¹⁵N-ConFlo-IRMS-technique
  Isotopenpraxis 30 (2-3), 239 - 245 10.1080/00211919408046739
• 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
• Gehre, M., Renpenning, J., Gilevska, T., Qi, H., Coplen, T.B., Meijer, H.A.J., Brand, W.A., Schimmelmann, A. (2015):
  On-line hydrogen-isotope measurements of organic samples using elemental chromium: an extension for high temperature elemental-analyzer techniques
  Anal. Chem. 87 (10), 5198 - 5205 10.1021/acs.analchem.5b00085
• Gehre, M., Strauch, G. (2003):
  High-temperature elemental analysis and pyrolysis techniques for stable isotope analysis
  Rapid Commun. Mass Spectrom. 17 (13), 1497 - 1503 10.1002/rcm.1076
• Geyer, S., Kalbitz, K., Gehre, M. (1998):
  Evaluating the sources and diagenesis of dissolved organic carbon in shallow groundwater using ¹⁵N and carbon isotopes
  In: Farina, A., Kennedy, J., Bossù, V. (eds.)
  Proceedings VII International Congress of Ecology INTECOL, Florence, Italy, 19-25 July 1998
  Backhuys Publishers, 155
• Geyer, S., Kalbitz, K., Gehre, M., Wolf, M. (1998):
  Bestimmung der Quellen und Diagenese von Huminstoffen aus Grundwasser mittels Stickstoff- und Kohlenstoffisotopen = Investigation for evaluating the sources and diagenesis of groundwater humic substances using ¹⁵N and carbon isotopes
  In: Pörschmann, J., Freitag, D., Kopinke, F.-D. (Hrsg.)
  2. Workshop Huminstoffe, 3. und 4. Dezember 1997 am UFZ-Umweltforschungszentrum Leipzig-Halle GmbH
  UFZ-Bericht 22/1998
  UFZ Leipzig-Halle GmbH, Leipzig, S. 39 - 41
• Giesemann, A., Schulz, H., Jung, K., Gehre, M., Schüürmann, G., Weigel, H.J. (2000):
  Natural isotope variations of sulfur as indication for atmospheric depositions on pine stands
  In: Brunold, C., Rennenberg, H., De Kok, L.J., Stulen, I., Davidian, J.C. (eds.)
  Sulfur nutrition and sulfur assimilation in higher plants: molecular, biochemical and physiological aspects
  Paul Haupt Publishers, Bern, p. 235 - 238
• Gilevska, T., Gehre, M., Richnow, H.H. (2015):
  Multidimensional isotope analysis of carbon, hydrogen and oxygen as tool for identification of the origin of ibuprofen
  J. Pharm. Biomed. Anal. 115 , 410 - 417 10.1016/j.jpba.2015.07.030
• Gilevska, T., Gehre, M., Richnow, H.H. (2014):
  Performance of the wet oxidation unit of the HPLC isotope ratio mass spectrometry system for halogenated compounds
  Anal. Chem. 86 (15), 7252 - 7257 10.1021/ac501174d
• 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
• 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
• Girardi, C., Nowak, K.M., Carranza-Diaz, O., Lewkow, B., Miltner, A., Gehre, M., Schäffer, A., Kästner, M. (2013):
  Microbial degradation of the pharmaceutical ibuprofen and the herbicide 2,4-D in water and soil - use and limits of data obtained from aqueous systems for predicting their fate in soil
  Sci. Total Environ. 444 , 32 - 42 10.1016/j.scitotenv.2012.11.051
• Hafner, C., Erdmenger, E., Jung, K., Gehre, M., Schüürmann, G. (2000):
  Stable isotope tracer technique as a tool to increase the sensitivity of plant growth bioassays - investigations with pentachlorophenol and trichloroacetic acid
  Fresenius Environ. Bull. 9 , 225 - 231
• Hafner, C., Jung, K., Gehre, M., Altenburger, R., Schüürmann, G. (2000):
  Isotopenmassenspektrometrische ¹³C/¹⁵N-Traceruntersuchungen zur Wirkung von Chlororganika auf höhere Pflanzen am Beispiel von Pentachlorphenol
  In: Fomin, A., Arndt, U., Elsner, D., Klumpp, A. (Hrsg.)
  Bioindikation: Biologische Testverfahren. Beiträge und Diskussion - 2. Hohenheimer Workshop zur Bioindikation am Kraftwerk Altbach-Deizisau, 6.4.1998
  Heimbach, Stuttgart, S. 199 - 204
• Hafner, C., Jung, K., Gehre, M., Schüürmann, G. (1999):
  Einsatz stabiler Isotope zum ökotoxikologischen Wirkungsnachweis chlororganischer Verbindungen
  In: Oehlmann, J., Markert, B. (Hrsg.)
  Ökotoxikologie: Ökosystemare Ansätze und Methoden
  ecomed, Landsberg am Lech, S. 117 - 121
• Haubert, D., Birkhofer, K., Fließbach, A., Gehre, M., Scheu, S., Ruess, L. (2009):
  Trophic structure and major trophic links in conventional versus organic farming systems as indicated by carbon stable isotope ratios of fatty acids
  Oikos 118 (10), 1579 - 1589 10.1111/j.1600-0706.2009.17587.x
• Heinzle, E., Yuan, Y., Kumar, S., Wittmann, C., Gehre, M., Richnow, H.H., Wehrung, P., Adam, P., Albrecht, P. (2008):
  Analysis of ¹³C labeling enrichment in microbial culture applying metabolic tracer experiments using gas chromatography-combustion-isotope ratio mass spectrometry
  Anal. Biochem. 380 (2), 202 - 210 10.1016/j.ab.2008.05.039
• Herrero-Martín, S., Nijenhuis, I., Richnow, H.H., Gehre, M. (2015):
  Coupling of a headspace autosampler with a programmed temperature vaporizer for stable carbon and hydrogen isotope analysis of volatile organic compounds at microgram per liter concentrations
  Anal. Chem. 87 (2), 951 - 959 10.1021/ac503229e
• Hitzfeld, K.L., Gehre, M., Richnow, H.-H. (2017):
  Evaluation of the performance of high temperature conversion reactors for compound-specific oxygen stable isotope analysis
  Isot. Environ. Health Stud. 53 (2), 116 - 133 10.1080/10256016.2016.1215983
• Hitzfeld, K.L., Gehre, M., Richnow, H.-H. (2011):
  A novel online approach to the determination of isotopic ratios for organically bound chlorine, bromine and sulphur
  Rapid Commun. Mass Spectrom. 25 (20), 3114 - 3122 10.1002/rcm.5203
• Hofmann, A., Heim, A., Christensen, B.T., Miltner, A., Gehre, M., Schmidt, M.W.I. (2009):
  Lignin dynamics in two ¹³C-labelled arable soils during 18 years
  Eur. J. Soil Sci. 60 (2), 250 - 257 10.1111/j.1365-2389.2008.01106.x
• Hofmann, A., Heim, A., Gioacchini, P., Miltner, A., Gehre, M., Schmidt, M.W.I. (2009):
  Mineral fertilization did not affect decay of old lignin and SOC in a ¹³C-labeled arable soil over 36 years
  Biogeosciences 6 (7), 1139 - 1148 10.5194/bg-6-1139-2009
• Hofmann, D., Gehre, M., Jung, K. (2003):
  Sample preparation techniques for the determination of natural ¹⁵N/¹⁴N variations in amino acids by gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS)
  Isot. Environ. Health Stud. 39 (3), 233 - 244 10.1080/1025601031000147630
• Hofmann, D., Jung, K., Bender, J., Gehre, M., Schüürmann, G. (1997):
  Using natural isotope variations of nitrogen in plants as an early indicator of air pollution stress
  J. Mass Spectrom. 32 (8), 855 - 863 10.1002/(SICI)1096-9888(199708)32:8<855::AID-JMS544>3.3.CO;2-A
• Hofmann, D., Jung, K., Segschneider, H.-J., Gehre, M., Schüürmann, G. (1995):
  ¹⁵N/¹⁴N analysis of amino acids with GC-C-IRMS - Methodical investigations and ecotoxicological applications
  Isot. Environ. Health Stud. 31 (3-4), 367 - 375 10.1080/10256019508036284
• 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
• Horn, M.A., Mertel, R., Gehre, M., Kästner, M., Drake, H.L. (2006):
  In vivo emission of dinitrogen by earthworms via denitrifying bacteria in the gut
  Appl. Environ. Microb. 72 (2), 1013 - 1018 10.1128/aem.72.2.1013-1018.2006
• 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
• Horst, A., Renpenning, J., Richnow, H.-H., Gehre, M. (2017):
  Compound specific stable chlorine isotopic analysis of volatile aliphatic compounds using gas chromatography hyphenated with multiple collector inductively coupled plasma mass spectrometry
  Anal. Chem. 89 (17), 9131 - 3138 10.1021/acs.analchem.7b01875
• Jenner, A.-K., Malik, C., Böttcher, G., Roeser, P., Gehre, M., Schmiedinger, I., Böttcher, M.E. (2025):
  Sources and fate of dissolved sulphate, carbonate, and nitrate in groundwater of the temperate climate zone: a high-resolution multi-isotope (H, C, O, S) study in north-eastern Germany
  Isot. Environ. Health Stud. 61 (1), 20 - 41 10.1080/10256016.2025.2461474
• Jung, K., Gebauer, G., Gehre, M. (1996):
  Anthropogene Einflüsse auf die Stickstoffisotopenvariationen in Pinus sylvestris L.
  Isot. Environ. Health Stud. 32 (2-3), 222 - 222 10.1080/10256019608036314
• Jung, K., Gebauer, G., Gehre, M., Hofmann, D., Weißflog, L., Schüürmann, G. (1997):
  Anthropogenic impacts on natural nitrogen isotope variations in Pinus sylvestris stands in an industrially polluted area
  Environ. Pollut. 97 (1-2), 175 - 181 10.1016/S0269-7491(97)00053-5
• Junge, F.W., Hanisch, C., Zerling, L., Gehre, M. (2005):
  Geochemical signatures (C, N, δ¹³C, δ¹⁵N, metals) of suspended matter in the river Weiße Elster (central Germany): their seasonal and flow-related distribution 1997-2001
  Isot. Environ. Health Stud. 41 (2), 141 - 159 10.1080/10256010500131874
• Kalbitz, K., Geyer, S., Gehre, M. (2000):
  Land use impacts on the isotopic signature (¹³C, ¹⁴C, ¹⁵N) of water-soluble fulvic acids in a German fen area
  Soil Sci. 165 (9), 728 - 736 10.1097/00010694-200009000-00006
• Kalbitz, K., Geyer, S., Gehre, M., Geyer, W. (1999):
  Correlation between ¹⁴C, ¹⁵N, ¹³C and spectroscopic properties of dissolved humic substances
  Isotope techniques in water resources development and management. Book of extended synopses. International Symposium held in Vienna, Austria, 10–14 May 1999
  IAEA-SM 361/88P
  International Atomic Energy Agency (IAEA), Vienna, 270 - 271
• Kalbitz, K., Geyer, S., Gehre, M., Geyer, W., Matzner, E. (1999):
  Isotopenchemische und spektroskopische Eigenschaften der gelösten organischen Substanz: Hinweise auf eine unterschiedliche Dynamik von DOC und DON
  Jahrestagung der Deutschen Bodenkundlichen Gesellschaft "Nachhaltige Bodennutzung im 3. Jahrtausend", Hannover, 4.-12.9.1999
  DBG-Mitteilungen 91/1
  Deutsche Bodenkundliche Gesellschaft, Oldenburg, 379 - 382
• 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
• Knöller, K., Böttger, T., Weise, S.M., Gehre, M. (2005):
  Carbon isotope analyses of cellulose using two different on-line techniques (elemental analysis and high-temperature pyrolysis) - a comparison
  Rapid Commun. Mass Spectrom. 19 (3), 343 - 348 10.1002/rcm.1793
• Knöller, K., Dohrmann, H., Strauch, G., Gehre, M. (1997):
  Flooding of an open pit in a lignite mining area - a complicated process studied by stable isotopes
  Isot. Environ. Health Stud. 33 (1-2), 204 - 205 10.1080/10256019708036347
• Koebsch, F., Winkel, M., Liebner, S., Liu, B., Westphal, J., Schmiedinger, I., Spitzy, A., Gehre, M., Jurasinski, G., Köhler, S., Unger, V., Koch, M., Sachs, T., Böttcher, M.E. (2019):
  Sulfate deprivation triggers high methane production in a disturbed and rewetted coastal peatland
  Biogeosciences 16 (9), 1937 - 1953 10.5194/bg-16-1937-2019
• Kornexl, B.E., Gehre, M., Höfling, R., Werner, R.A. (1999):
  On-line δ¹⁸O measurement of organic and inorganic substances
  Rapid Commun. Mass Spectrom. 13 , 1685 - 1693 10.1002/(SICI)1097-0231(19990830)13:16<1685::AID-RCM699>3.0.CO;2-9
• Kornexl, B.E., Werner, R.A., Gehre, M. (1999):
  Standardization for oxygen isotope ratio measurement - still an unsolved problem
  Rapid Commun. Mass Spectrom. 13 , 1248 - 1251 10.1002/(SICI)1097-0231(19990715)13:13<1248::AID-RCM560>3.0.CO;2-H
• Krüger, M., Wolters, H., Gehre, M., Joye, S.B., Richnow, H.H. (2008):
  Tracing the slow growth of anaerobic methane-oxidizing communities by ¹⁵N-labelling techniques
  FEMS Microbiol. Ecol. 63 (3), 401 - 411 10.1111/j.1574-6941.2007.00431.x
• 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
• 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
• 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
• Loick, N., Gehre, M., Voss, M. (2007):
  Stable nitrogen isotopes in essential versus non-essential amino acids of different plankton size fractions
  Isot. Environ. Health Stud. 43 (4), 281 - 293 10.1080/10256010701702978
• Loick-Wilde, N., Dutz, J., Miltner, A., Gehre, M., Montoya, J.P., Voss, M. (2012):
  Incorporation of nitrogen from N₂ fixation into amino acids of zooplankton
  Limnol. Oceanogr. 57 (1), 199 - 210 10.4319/lo.2012.57.1.0199
• Mallén, G., Trettin, R., Gehre, M., Flynn, R., Grischek, T., Nestler, W. (2005):
  Influence of upwelling Zechstein sulphate on the concentration and isotope signature of sedimentary sulphides in a fluvioglacial sand aquifer
  Appl. Geochem. 20 (2), 261 - 274 10.1016/j.apgeochem.2004.08.007
• Nair, S., Geilmann, H., Coplen, T.B., Qi, H., Gehre, M., Schimmelmann, A., Brand, W.A. (2015):
  Isotopic disproportionation during hydrogen isotopic analysis of nitrogen-bearing organic compounds
  Rapid Commun. Mass Spectrom. 29 (9), 878 - 884 10.1002/rcm.7174
• 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.2016.04.001
• Nowak, K.M., Girardi, C., Miltner, A., Gehre, M., Schäffer, A., Kästner, M. (2013):
  Contribution of microorganisms to non-extractable residue formation during biodegradation of ibuprofen in soil
  Sci. Total Environ. 445-446 , 377 - 384 10.1016/j.scitotenv.2012.12.011
• Nowak, K.M., Miltner, A., Gehre, M., Schäffer, A., Kästner, M. (2011):
  Formation and fate of bound residues from microbial biomass during 2,4-D degradation in soil
  Environ. Sci. Technol. 45 (3), 999 - 1006 10.1021/es103097f
• 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
• 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
• Qi, H., Coplen, T.B., Gehre, M., Vennemann, T.W., Brand, W.A., Geilmann, H., Olack, G., Bindeman, I.N., Palandri, J., Huang, L., Longstaffe, F.J. (2017):
  New biotite and muscovite isotopic reference materials, USGS57 and USGS58, for δ²H measurements–A replacement for NBS 30
  Chem. Geol. 467 , 89 - 99 10.1016/j.chemgeo.2017.07.027
• Qi, H., Gröning, M., Colpen, T.B., Buck, B., Mroczkowski, S.J., Brand, W.A., Geilmann, H., Gehre, M. (2010):
  Novel silver-tubing method for quantitative introduction of water into high-temperature conversion systems for stable hydrogen and oxygen isotopic measurements
  Rapid Commun. Mass Spectrom. 24 (13), 1821 - 1827 10.1002/rcm.4559
• Reckhardt, A., Beck, M., Greskowiak, J., Schnetger, B., Böttcher, M.E., Gehre, M., Brumsack, H. (2017):
  Cycling of redox-sensitive elements in a sandy subterranean estuary of the southern North Sea
  Mar. Chem. 188 , 6 - 17 10.1016/j.marchem.2016.11.003
• Renpenning, J., Hitzfeld, K.L., Gilevska, T., Nijenhuis, I., Gehre, M., Richnow, H.-H. (2015):
  Development and validation of an universal interface for compound-specific stable isotope analysis of chlorine (³⁷Cl/³⁵Cl) by GC-high-temperature conversion (HTC)-MS/IRMS
  Anal. Chem. 87 (5), 2832 - 2839 10.1021/ac504232u
• Renpenning, J., Horst, A., Schmidt, M., Gehre, M. (2018):
  Online isotope analysis of ³⁷Cl/³⁵Cl universally applied for semi-volatile organic compounds using GC-MC-ICPMS
  J. Anal. At. Spectrom. 33 (2), 314 - 321 10.1039/c7ja00404d
• Renpenning, J., Kummel, S., Hitzfeld, K.L., Schimmelmann, A., Gehre, M. (2015):
  Compound-specific hydrogen isotope analysis of heteroatom-bearing compounds via gas chromatography-chromium-based high-temperature conversion (Cr/HTC)-isotope ratio mass spectrometry
  Anal. Chem. 87 (18), 9443 - 9450 10.1021/acs.analchem.5b02475
• Renpenning, J., Schimmelmann, A., Gehre, M. (2017):
  Compound-specific hydrogen isotope analysis of fluorine-, chlorine-, bromine- and iodine-bearing organics using gas chromatography–chromium-based high-temperature conversion (Cr/HTC) isotope ratio mass spectrometry
  Rapid Commun. Mass Spectrom. 31 (13), 1095 - 1102 10.1002/rcm.7872
• Reyes, C., Dellwig, O., Dähnke, K., Gehre, M., Noriega-Ortega, B.E., Böttcher, M.E., Meister, P., Friedrich, M.W. (2016):
  Bacterial communities potentially involved in iron-cycling in Baltic Sea and North Sea sediments revealed by pyrosequencing
  FEMS Microbiol. Ecol. 92 (4), fiw054 10.1093/femsec/fiw054
• Richnow, H.H., Gehre, M., Kästner, M., Morasch, B., Meckenstock, R.U. (2000):
  Isotope fractionation of aromatic hydrocarbons - a perspective to characterise microbial in-situ degradation
  Isot. Environ. Health Stud. 36 (4), 383 - 384 10.1080/10256010008055159
• Richnow, H.H., Gehre, M., Kästner, M., Morasch, B., Meckenstock, R.U. (2001):
  Characterisation of microbial in situ degradation of aromatic hydrocarbons
  In: Magar, V.S., Vogel, T.M., Aelion, C.M., Leeson, A. (eds.)
  Innovative methods in support of bioremediation. 6th International In Situ and On-Site Bioremediation Symposium, San Diego, California, USA, 4-7 June 2001. Volume 4
  Battelle Press, Columbus, OH, p. 99 - 108
• Richnow, H.H., Vieth, A., Kästner, M., Gehre, M., Meckenstock, R.U. (2002):
  Isotope fractionation of toluene: A perspective to characterize microbial in situ degradation
  The Scientific World Journal 2 , 1227 - 1234 10.1100/tsw.2002.210
• Rosell, M., Barceló, D., Rohwerder, T., Breuer, U., Gehre, M., Richnow, H.H. (2007):
  Variations in ¹³C/¹²C and D/H enrichment factors of aerobic bacterial fuel oxygenate degradation
  Environ. Sci. Technol. 41 (6), 2036 - 2043 10.1021/es0616175
• Schimmelmann, A., Qi, H., Coplen, T.B., Brand, W.A., Fong, J., Meier-Augenstein, W., Kemp, H.F., Toman, B., Ackermann, A., Assonov, S., Aerts-Bijma, A., Brejcha, R., Chikaraishi, Y., Darwish, T., Elsner, M., Gehre, M., Geilmann, H., Gröning, M., Hélie, J.-F., Herrero-Martín, S., Meijer, H.A.J., Sauer, P.E., Sessions, A.L., Werner, R.A. (2016):
  Organic reference materials for hydrogen, carbon, and nitrogen stable isotope-ratio measurements: caffeines, n-alkanes, fatty acid methyl esters, glycines, L-valines, polyethylenes, and oils
  Anal. Chem. 88 (8), 4294 - 4302 10.1021/acs.analchem.5b04392
• Schlee, D., Jung, K., Türk, R., Gehre, M. (1996):
  Natural isotopic variation in species of lichens an altitude gradient in the eastern Cantral Apls
  Ber. nat.-med. Ver. Salzburg 11 , 25 - 34
• Schulz, H., Gehre, M., Hofmann, D., Jung, K. (2001):
  Nitrogen isotope ratios in pine bark as an indicator of N emissions from anthropogenic sources
  Environ. Monit. Assess. 69 (3), 283 - 297 10.1023/A:1010705907525
• Schulz, H., Gehre, M., Russow, R. (2017):
  Natürliche Isotopenverhältnisse des Stickstoffs zur Bioindikation in Kiefern-Wald-Ökosystemen
  Hercynia N.F. 50 (2), 99 - 114
• Schulz, H., Giesemann, A., Gehre, M. (2004):
  Influence of reduced S inputs on the sulfate pool in the humus layer and sulfate uptake in Pinus sylvestris L. as indicated by natural isotope variations of sulfur and oxygen
  J. Appl. Bot. Food Qual. - Angew. Bot. 78 (1), 18 - 24
• Schulz, H., Jung, K., Gehre, M. (1996):
  Natürliche Stickstoff-Isotopenvariationen zum Nachweis der anthropogenen Stickstoff-Belastung in Kiefernökosystemen
  Isot. Environ. Health Stud. 32 (2-3), 225 - 225 10.1080/10256019608036314
• Schulz, H., Jung, K., Gehre, M. (2000):
  Effects of N inputs on natural isotopes variations of nitrogen in various compartments of Scots pine stands
  Isot. Environ. Health Stud. 36 (4), 357 10.1080/10256010008055158
• Siegert, M., Taubert, M., Seifert, J., von Bergen-Tomm, M., Basen, M., Bastida, F., Gehre, M., Richnow, H.-H., Krüger, M. (2013):
  The nitrogen cycle in anaerobic methanotrophic mats of the Black Sea is linked to sulfate reduction and biomass decomposition
  FEMS Microbiol. Ecol. 86 (2), 231 - 245 10.1111/1574-6941.12156
• Stamm, C., Sermet, R., Leuenberger, J., Wunderli, H., Wydler, H., Flühler, H., Gehre, M. (2002):
  Multiple tracing of fast solute transport in a drained grassland soil
  Geoderma 109 , 245 - 268 10.1016/S0016-7061(02)00178-7
• Strauch, G., Gehre, M. (2014):
  Virtual Special Issue of the 3^rd Joint European Stable Isotope Users Group Meeting (JESIUM) 2012, held in Leipzig, Germany
  Rapid Commun. Mass Spectrom. 28 (7), 843 10.1002/rcm.6853
• Strauch, G., Nardin, G., Schreck, P., Gehre, M. (2000):
  Origin and distribution of sulfate in surface waters of the Mansfeld mining district, Germany
  Isot. Environ. Health Stud. 36 (4), 388 - 389 10.1080/10256010008055159
• Strauch, G., Schreck, P., Nardin, G., Gehre, M. (2001):
  Origin and distribution of sulphate in surface waters of the Mansfeld mining district, Central Germany
  Isot. Environ. Health Stud. 37 (2), 101 - 112 10.1080/10256010108033287
• Vieth, A., Kästner, M., Gehre, M., Meckenstock, R.U., Richnow, H.H. (2001):
  Characterisation of the in situ biodegradation of aromatic compounds in contaminated aquifers using isotope fractionation
  In: Wiesner, J. (ed.)
  Fachtagung Sanierung und Entwicklung teerkontaminierter Standorte, Dresden, 20.-21.3.2001
  DECHEMA-Fachgespräche Umweltschutz
  DECHEMA, Frankfurt/Main, 493 - 496
• Vieth, A., Müller, J., Strauch, G., Kästner, M., Gehre, M., Meckenstock, R.U., Richnow, H.H. (2003):
  In-situ biodegradation of tetrachloroethene and trichloroethene in contaminated aquifers monitored by stable isotope fractionation
  Isot. Environ. Health Stud. 39 (2), 113 - 124 10.1080/1025601031000108688
• 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
• Woitischek, J., Dietzel, M., Inguaggiato, C., Böttcher, M.E., Leis, A., Virgílio Cruz, J., Gehre, M. (2017):
  Characterisation and origin of hydrothermal waters at São Miguel (Azores) inferred by chemical and isotopic composition
  J. Volcanol. Geotherm. Res. 346 , 104 - 117 10.1016/j.jvolgeores.2017.03.020