2023 (4)

• Herzsprung, P., Kamjunke, N., Wilske, C., Friese, K., Boehrer, B., Rinke, K., Lechtenfeld, O.J., von Tümpling, W. (2023):
  Data evaluation strategy for identification of key molecular formulas in dissolved organic matter as proxies for biogeochemical reactivity based on abundance differences from ultrahigh resolution mass spectrometry
  Water Res. 232 , art. 119672
  Volltext (DOI)
• Jennings, E.K., Sierra Olea, M., Kaesler, J.M., Hübner, U., Reemtsma, T., Lechtenfeld, O.J. (2023):
  Stable isotope labeling for detection of ozonation byproducts in effluent organic matter with FT-ICR-MS
  Water Res. 229 , art. 119477
  Volltext (DOI)
• Lohse, M., Santangeli, M., Steininger-Mairinger, T., Oburger, E., Reemtsma, T., Lechtenfeld, O.J., Hann, S. (2023):
  The effect of root hairs on exudate composition: a comparative non-targeted metabolomics approach
  Anal. Bioanal. Chem. 415 (5), 823 - 840
  Volltext (DOI)
• Sierra Olea, M., Kölle, S., Bein, E., Reemtsma, T., Lechtenfeld, O.J., Hübner, U. (2023):
  Isotopically labeled ozone: A new approach to elucidate the formation of ozonation products
  Water Res. 233 , art. 119740
  Volltext (DOI)

2022 (9)

• Blaurock, K., Garthen, P., da Silva, M.P., Beudert, B., Gilfedder, B.S., Fleckenstein, J.H., Peiffer, S., Lechtenfeld, O.J., Hopp, L. (2022):
  Riparian microtopography affects event-driven stream DOC concentrations and DOM quality in a forested headwater catchment
  J. Geophys. Res.-Biogeosci. 127 (12), e2022JG006831
  Volltext (DOI)
• Butturini, A., Herzsprung, P., Lechtenfeld, O.J., Alcorlo, P., Benaiges-Fernandez, R., Berlanga, M., Boadella, J., Freixinos Campillo, Z., Gomez, R.M., Sanchez-Montoya, M.M., Urmeneta, J., Romaní, A.M. (2022):
  Origin, accumulation and fate of dissolved organic matter in an extreme hypersaline shallow lake
  Water Res. 221 , art. 118727
  Volltext (DOI)
• Chen, S., Klotzbücher, T., Lechtenfeld, O.J., Hong, H., Liu, C., Kaiser, K., Mikutta, C., Mikutta, R. (2022):
  Legacy effects of sorption determine the formation efficiency of mineral-associated soil organic matter
  Environ. Sci. Technol. 56 (3), 2044 - 2053
  Volltext (DOI)
• Halbach, K., Aulhorn, S., Lechtenfeld, O.J., Lecluse, M., Leippe, S., Reemtsma, T., Seiwert, B., Wagner, S., König, J., Luckenbach, T. (2022):
  Zebrafish Oatp1d1 acts as a cellular efflux transporter of the anionic herbicide bromoxynil
  Chem. Res. Toxicol. 35 (2), 315 - 325
  Volltext (DOI)
• Jennings, E., Kremser, A., Han, L., Reemtsma, T., Lechtenfeld, O.J. (2022):
  Discovery of polar ozonation byproducts via direct injection of effluent organic matter with online LC-FT-ICR-MS
  Environ. Sci. Technol. 56 (3), 1894 - 1904
  Volltext (DOI)
• Kamjunke, N., Beckers, L.-M., Herzsprung, P., von Tümpling, W., Lechtenfeld, O., Tittel, J., Risse-Buhl, U., Rode, M., Wachholz, A., Kallies, R., Schulze, T., Krauss, M., Brack, W., Comero, S., Gawlik, B.M., Skejo, H., Tavazzi, S., Mariani, G., Borchardt, D., Weitere, M. (2022):
  Lagrangian profiles of riverine autotrophy, organic matter transformation, and micropollutants at extreme drought
  Sci. Total Environ. 828 , art. 154243
  Volltext (DOI)
• Pertzborn, D., Arolt, C., Ernst, G., Lechtenfeld, O.J., Kaesler, J., Pelzel, D., Guntinas-Lichius, O., von Eggeling, F., Hoffmann, F. (2022):
  Multi-class cancer subtyping in salivary gland carcinomas with MALDI imaging and deep learning
  Cancers 14 (17), art. 4342
  Volltext (DOI)
• Tittel, J., Büttner, O., Friese, K., Lechtenfeld, O.J., Schuth, S., von Tümpling, W., Musolff, A. (2022):
  Iron exports from catchments are constrained by redox status and topography
  Glob. Biogeochem. Cycles 36 (1), e2021GB007056
  Volltext (DOI)
• Zherebker, A., Rukhovich, G.D., Sarycheva, A., Lechtenfeld, O.J., Nikolaev, E.N. (2022):
  Aromaticity index with improved estimation of carboxyl group contribution for biogeochemical studies
  Environ. Sci. Technol. 56 (4), 2729 - 2737
  Volltext (DOI)

2021 (12)

• da Silva, M.P., Blaurock, K., Beudert, B., Fleckenstein, J.H., Hopp, L., Peiffer, S., Reemtsma, T., Lechtenfeld, O.J. (2021):
  Delineating source contributions to stream dissolved organic matter composition under baseflow conditions in forested headwater catchments
  J. Geophys. Res.-Biogeosci. 126 (8), e2021JG006425
  Volltext (DOI)
• Fazia, S., Amalfitano, S., Venturi, S., Pacini, N., Vazquez, S., Olaka, L.A., Tassi, F., Crognale, S., Herzsprung, P., Lechtenfeld, O.J., Cabassi, J., Capecchiacci, F., Rossetti, S., Yakimov, M.M., Vaselli, O., Harper, D.M., Butturini, A. (2021):
  High concentrations of dissolved biogenic methane associated with cyanobacterial blooms in East African lake surface water
  Commun. Biol. 4 , art. 845
  Volltext (DOI)
• Giannopoulos, K., Benettoni, P., Holbrook, T.R., Reemtsma, T., Wagner, S., Lechtenfeld, O.J. (2021):
  Direct analysis of fulvic acids adsorbed onto capped gold nanoparticles by laser desorption ionization Fourier-transform ion cyclotron resonance mass spectrometry
  Environ. Sci.-Nano 8 (8), 2336 - 2346
  Volltext (DOI)
• Han, L., Kaesler, J., Peng, C., Reemtsma, T., Lechtenfeld, O.J. (2021):
  Online counter gradient LC-FT-ICR-MS enables detection of highly polar natural organic matter fractions
  Anal. Chem. 93 (3), 1740 - 1748
  Volltext (DOI)
• Hensgens, G., Lechtenfeld, O.J., Guillemette, F., Laudon, H., Berggren, M. (2021):
  Impacts of litter decay on organic leachate composition and reactivity
  Biogeochemistry 154 , 99 - 117
  Volltext (DOI)
• Herzsprung, P., Kamjunke, N., von Tümpling, W., Wilske, C., Reemtsma, T., Lechtenfeld, O.J. (2021):
  Judgement and assessment of high resolution mass spectrometry investigations of DOM – Examples for identification of biogeochemical processes in waters
  Vom Wasser 119 (2), 47 - 51
  Volltext (DOI)
• Lohse, M., Haag, R., Lippold, E., Vetterlein, D., Reemtsma, T., Lechtenfeld, O.J. (2021):
  Direct imaging of plant metabolites in the rhizosphere using laser desorption ionization ultra-high resolution mass spectrometry
  Front. Plant Sci. 12 , art. 753812
  Volltext (DOI)
• Muniz, M.S., Halbach, K., Araruna, I.C.A., Martins, R.X., Seiwert, B., Lechtenfeld, O., Reemtsma, T., Farias, D. (2021):
  Moxidectin toxicity to zebrafish embryos: Bioaccumulation and biomarker responses
  Environ. Pollut. 283 , art. 117096
  Volltext (DOI)
• Rummel, C.D., Lechtenfeld, O.J., Kallies, R., Benke, A., Herzsprung, P., Rynek, R., Wagner, S., Potthoff, A., Jahnke, A., Schmitt-Jansen, M. (2021):
  Conditioning film and early biofilm succession on plastic surfaces
  Environ. Sci. Technol. 55 (16), 11006 - 11018
  Volltext (DOI)
• Sartori Jeunon Gontijo, E., Herzsprung, P., Lechtenfeld, O.J., de Castro Bueno, C., Barth, J.A.C., Rosa, A.H., Friese, K. (2021):
  Multi-proxy approach involving ultrahigh resolution mass spectrometry and self-organising maps to investigate the origin and quality of sedimentary organic matter across a subtropical reservoir
  Org. Geochem. 151 , art. 104165
  Volltext (DOI)
• Werner, B.J., Lechtenfeld, O.J., Musolff, A., de Rooij, G.H., Yang, J., Gründling, R., Werban, U., Fleckenstein, J.H. (2021):
  Small-scale topography explains patterns and dynamics of dissolved organic carbon exports from the riparian zone of a temperate, forested catchment
  Hydrol. Earth Syst. Sci. 25 (12), 6067 - 6086
  Volltext (DOI)
• Wilske, C., Herzsprung, P., Lechtenfeld, O.J., Kamjunke, N., Einax, J.W., von Tümpling, W. (2021):
  New insights into the seasonal variation of DOM quality of a humic-rich drinking-water reservoir—coupling 2D-fluorescence and FTICR MS measurements
  Water 13 (12), art. 1703
  Volltext (DOI)

2020 (13)

• Butturini, A., Amalfitano, S., Herzsprung, P., Lechtenfeld, O.J., Venturi, S., Olaka, L.A., Pacini, N., Harper, D.M., Tassi, F., Fazi, S. (2020):
  Dissolved organic matter in continental hydro-geothermal systems: Insights from two hot springs of the East African Rift Valley
  Water 12 (12), art. 3512
  Volltext (DOI)
• Butturini, A., Herzsprung, P., Lechtenfeld, O.J., Venturi, S., Amalfitano, S., Vazquez, E., Pacini, N., Harper, D.M., Tassi, F., Fazi, S. (2020):
  Dissolved organic matter in a tropical saline-alkaline lake of the East African Rift Valley
  Water Res. 173 , art. 115532
  Volltext (DOI)
• da Silva, M.P., Kaesler, J.M., Reemtsma, T., Lechtenfeld, O.J. (2020):
  Absorption mode spectral processing improves data quality of natural organic matter analysis by Fourier-transform ion cyclotron resonance mass spectrometry
  J. Am. Soc. Mass Spectrom. 31 (7), 1615 - 1618
  Volltext (DOI)
• da Silva, M.P., Sander de Carvalho, L.A., Novo, E., Jorge, D.S.F., Barbosa, C.C.F. (2020):
  Use of optical absorption indices to assess seasonal variability of dissolved organic matter in Amazon floodplain lakes
  Biogeosciences 17 (21), 5355 - 5364
  Volltext (DOI)
• Giannopoulos, K., Lechtenfeld, O.J., Holbrook, T.R., Reemtsma, T., Wagner, S. (2020):
  Exploring the potential of laser desorption ionization time-of-flight mass spectrometry to analyse organic capping agents on inorganic nanoparticle surfaces
  Anal. Bioanal. Chem. 412 (22), 5261 - 5271
  Volltext (DOI)
• Herzsprung, P., Wentzky, V.C., Kamjunke, N., von Tümpling, W., Wilske, C., Friese, K., Boehrer, B., Reemtsma, T., Rinke, K., Lechtenfeld, O.J. (2020):
  Improved understanding of dissolved organic matter processing in freshwater using complementary experimental and machine learning approaches
  Environ. Sci. Technol. 54 (21), 13556 - 13565
  Volltext (DOI)
• Kamjunke, N., Lechtenfeld, O.J., Herzsprung, P. (2020):
  Quality of dissolved organic matter driven by autotrophic and heterotrophic microbial processes in a large river
  Water 12 (6), art. 1577
  Volltext (DOI)
• Lohse, M., Blaser, S.R.G.A., Vetterlein, D., Schlüter, S., Oburger, E., Reemtsma, T., Lechtenfeld, O.J. (2020):
  Online nano solid phase extraction Fourier-transform ion cyclotron resonance mass spectrometry workflow to analyze small scale gradients of soil solution organic matter in the rhizosphere
  Anal. Chem. 92 (15), 10442 - 10449
  Volltext (DOI)
• Lohse, M., Dusny, C., Kaesler, J., Lechtenfeld, O.J. (2020):
  MRMS powered single cell metabolomics – Quantification of picogram amounts of a biocatalytic product from few living cells
  Bruker Application Note 05-2020, MRMS-70, 1877441
  Bruker Daltonics, 6 pp.
  Volltext (DOI)
• Tayyebi Sabet Khomami, N., Philippe, A., Abu Quba, A.A., Lechtenfeld, O.J., Guigner, J.-M., Heissler, S., Schaumann, G.E. (2020):
  Validation of a field deployable reactor for in situ formation of NOM-engineered nanoparticle corona
  Environ. Sci.-Nano 7 (2), 486 - 500
  Volltext (DOI)
• Wilske, C., Herzsprung, P., Lechtenfeld, O.J., Kamjunke, N., von Tümpling, W. (2020):
  Photochemically induced changes of dissolved organic matter in a humic‐rich and forested stream
  Water 12 , art. 331
  Volltext (DOI)
• Zherebker, A., Kim, S., Schmitt-Kopplin, P., Spencer, R.G.M., Lechtenfeld, O.J., Podgorski, D.C., Hertkorn, N., Harir, M., Nurfajin, N., Koch, B., Nikolaev, E.N., Shirshin, E.A., Berezin, S.A., Kats, D.S., Rukhovich, G.D., Perminova, I.V. (2020):
  Interlaboratory comparison of humic substances compositional space as measured by Fourier transform ion cyclotron resonance mass spectrometry (IUPAC Technical Report)
  Pure Appl. Chem. 92 (9), 1447 - 1467
  Volltext (DOI)
• Zherebker, A., Lechtenfeld, O.J., Sarycheva, A., Kostyukevich, Y., Kharybin, O., Fedoros, E.I., Nikolaev, E.N. (2020):
  Refinement of compound aromaticity in complex organic mixtures by stable isotope label assisted ultrahigh-resolution mass spectrometry
  Anal. Chem. 92 (13), 9032 - 9038
  Volltext (DOI)

2019 (6)

• Chen, S.-C., Musat, N., Lechtenfeld, O.J., Paschke, H., Schmidt, M., Said, N., Popp, D., Calabrese, F., Stryhanyuk, H., Jaekel, U., Zhu, Y.-G., Joye, S.B., Richnow, H.-H., Widdel, F., Musat, F. (2019):
  Anaerobic oxidation of ethane by archaea from a marine hydrocarbon seep
  Nature 568 (7750), 108 - 111
  Volltext (DOI)
• Dusny, C., Lohse, M., Reemtsma, T., Schmid, A., Lechtenfeld, O.J. (2019):
  Quantifying a biocatalytic product from a few living microbial cells using microfluidic cultivation coupled to FT-ICR-MS
  Anal. Chem. 91 (11), 7012 - 7018
  Volltext (DOI)
• Lian, S., Wu, L., Nikolausz, M., Lechtenfeld, O.J., Richnow, H.H. (2019):
  ²H and ¹³C isotope fractionation analysis of organophosphorus compounds for characterizing transformation reactions in biogas slurry: Potential for anaerobic treatment of contaminated biomass
  Water Res. 163 , art. 114882
  Volltext (DOI)
• Spranger, T., van Pinxteren, D., Reemtsma, T., Lechtenfeld, O.J., Herrmann, H. (2019):
  2D liquid chromatographic fractionation with ultra-high resolution MS analysis resolves a vast molecular diversity of tropospheric particle organics
  Environ. Sci. Technol. 53 (19), 11353 - 11363
  Volltext (DOI)
• Vernet, M., Geibert, W., Hoppema, M., Brown, P.J., Haas, C., Hellmer, H.H., Jokat, W., Jullion, L., Mazloff, M., Bakker, D.C.E., Brearley, J.A., Croot, P., Hattermann, T., Hauck, J., Hillenbrand, C.-D., Hoppe, C.J.M., Huhn, O., Koch, B.P., Lechtenfeld, O.J., Meredith, M.P., Naveira Garabato, A.C., Nöthig, E.-M., Peeken, I., Rutgers van der Loeff, M.M., Schmidtko, S., Schröder, M., Strass, V.H., Torres-Valdés, S., Verdy, A. (2019):
  The Weddell Gyre, Southern Ocean: present knowledge and future challenges
  Rev. Geophys. 57 (3), 623 - 708
  Volltext (DOI)
• Werner, B.J., Musolff, A., Lechtenfeld, O.J., de Rooij, G.H., Oosterwoud, M.R., Fleckenstein, J.H. (2019):
  High-frequency measurements explain quantity and quality of dissolved organic carbon mobilization in a headwater catchment
  Biogeosciences 16 , 4497 - 4516
  Volltext (DOI)

2018 (4)

• Bercovici, S.K., Koch, B.P., Lechtenfeld, O.J., McCallister, S.L., Schmitt-Kopplin, P., Hansell, D.A. (2018):
  Aging and molecular changes of dissolved organic matter between two deep oceanic end-members
  Glob. Biogeochem. Cycles 32 (10), 1449 - 1456
  Volltext (DOI)
• Schlitzer, R., Anderson, R.F., Dodas, E.M., Lohan, M., Geibert, W., Tagliabue, A., Bowie, A., Jeandel, C., Maldonado, M.T., Landing, W.M., Cockwell, D., Abadie, C., Abouchami, W., Achterberg, E.P., Agather, A., Aguliar-Islas, A., van Aken, H.M., Andersen, M., Archer, C., Lechtenfeld, O.J., Auro, M., et al. (2018):
  The GEOTRACES Intermediate Data Product 2017
  Chem. Geol. 493 , 210 - 223
  Volltext (DOI)
• Wu, L., Chládková, B., Lechtenfeld, O.J., Lian, S., Schindelka, J., Herrmann, H., Richnow, H.H. (2018):
  Characterizing chemical transformation of organophosphorus compounds by ¹³C and ²H stable isotope analysis
  Sci. Total Environ. 615 , 20 - 28
  Volltext (DOI)
• Wünsch, U.J., Geuer, J.K., Lechtenfeld, O.J., Koch, B.P., Murphy, K.R., Stedmon, C.A. (2018):
  Quantifying the impact of solid-phase extraction on chromophoric dissolved organic matter composition
  Mar. Chem. 207 , 33 - 41
  Volltext (DOI)

2017 (3)

• Koch, B.P., Ksionzek, K.B., Lechtenfeld, O.J., McCallister, S.L., Schmitt-Kopplin, P., Geuer, J.K., Geibert, W. (2017):
  Response to comment on "Dissolved organic sulfur in the ocean: Biogeochemistry of a petagram inventory"
  Science 356 (6340), 813 - 813
  Volltext (DOI)
• Raeke, J., Lechtenfeld, O.J., Seiwert, B., Meier, T., Riemenschneider, C., Reemtsma, T. (2017):
  Photochemically induced bound residue formation of carbamazepine with dissolved organic matter
  Environ. Sci. Technol. 51 (10), 5523 - 5530
  Volltext (DOI)
• Raeke, J., Lechtenfeld, O.J., Tittel, J., Oosterwoud, M.R., Bornmann, K., Reemtsma, T. (2017):
  Linking the mobilization of dissolved organic matter in catchments and its removal in drinking water treatment to its molecular characteristics
  Water Res. 113 , 149 - 159
  Volltext (DOI)

2016 (3)

• Ksionzek, K.B., Lechtenfeld, O.J., McCallister, S.L., Schmitt-Kopplin, P., Geuer, J.K., Geibert, W., Koch, B.P. (2016):
  Dissolved organic sulfur in the ocean: Biogeochemistry of a petagram inventory
  Science 354 (6311), 456 - 459
  Volltext (DOI)
• Laso-Pérez, R., Wegener, G., Knittel, K., Widdel, F., Harding, K.J., Krukenberg, V., Meier, D.V., Richter, M., Tegetmeyer, H.E., Riedel, D., Richnow, H.-H., Adrian, L., Reemtsma, T., Lechtenfeld, O.J., Musat, F. (2016):
  Thermophilic archaea activate butane via alkyl-coenzyme M formation
  Nature 539 (7629), 396 - 401
  Volltext (DOI)
• Raeke, J., Lechtenfeld, O.J., Wagner, M., Herzsprung, P., Reemtsma, T. (2016):
  Selectivity of solid phase extraction of freshwater dissolved organic matter and its effect on ultrahigh resolution mass spectra
  Environ. Sci.-Proc. Imp. 18 (7), 918 - 927
  Volltext (DOI)

2015 (1)

• Lechtenfeld, O.J., Hertkorn, N., Shen, Y., Witt, M., Benner, R. (2015):
  Marine sequestration of carbon in bacterial metabolites
  Nat. Commun. 6 , art. 6711
  Volltext (DOI)