Bischoff, A.* ; Alexander, C.M.O.D.* ; Barrat, J.A.* ; Burkhardt, C.* ; Busemann, H.* ; Degering, D.* ; Di Rocco, T.* ; Fischer, M.* ; Fockenberg, T.* ; Foustoukos, D.I.* ; Gattacceca, J.* ; Godinho, J.R.A.* ; Harries, D.* ; Heinlein, D.* ; Hellmann, J.L.* ; Hertkorn, N. ; Holm, A.* ; Jull, A.J.T.* ; Kerraouch, I.* ; King, A.J.* ; Kleine, T.* ; Koll, D.* ; Lachner, J.* ; Ludwig, T.* ; Merchel, S.* ; Mertens, C.A.K.* ; Morino, P.* ; Neumann, W.* ; Pack, A.* ; Patzek, M.* ; Pavetich, S.* ; Reitze, M.P.* ; Rüfenacht, M.* ; Rugel, G.* ; Schmidt, C.* ; Schmitt-Kopplin, P.* ; Schönbächler, M.* ; Trieloff, M.* ; Wallner, A.* ; Wimmer, K.* ; Wölfer, E.*
The old, unique C1 chondrite Flensburg – Insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologies.
Geochim. Cosmochim. Acta 293, 142-186 (2021)
Ali, P.* ; Shah, A.A.* ; Hasan, F.* ; Hertkorn, N. ; Gonsior, M.* ; Sajjad, W.* ; Chen, F.*
A glacier bacterium produces high yield of cryoprotective exopolysaccharide.
Front. Microbiol. 10:3096 (2020)
Zherebker, A.* ; Kim, S.* ; Schmitt-Kopplin, P. ; Spencer, R.G.M.* ; Lechtenfeld, O.* ; 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.*
Interlaboratory comparison of humic substances compositional space as measured by Fourier transform ion cyclotron resonance mass spectrometry (IUPAC Technical Report).
Pure Appl. Chem. 92, 1447–1467 (2020)
Hofmann, R. ; Uhl, J. ; Hertkorn, N. ; Griebler, C.
Linkage between dissolved organic matter transformation, bacterial carbon production, and diversity in a shallow oligotrophic aquifer: Results from flow-through sediment microcosm experiments.
Front. Microbiol. 11:543567 (2020)
Valle Das Neves, J. ; Harir, M. ; Gonsior, M.* ; Enrich-Prast, A.* ; Schmitt-Kopplin, P. ; Bastviken, D.* ; Hertkorn, N.
Molecular differences between water column and sediment pore water SPE-DOM in ten Swedish boreal lakes.
Water Res. 170:115320 (2020)
Subdiaga, E.* ; Harir, M. ; Orsetti, S.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Haderlein, S.B.*
Preferential sorption of tannins at aluminum oxide affects the electron exchange capacities of dissolved and sorbed humic acid fractions.
Environ. Sci. Technol. 54, 1837-1847 (2020)
Andersson, A.* ; Lavonen, E.* ; Harir, M. ; Gonsior, M.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Kylin, H.* ; Bastviken, D.*
Selective removal of natural organic matter during drinking water production changes the composition of disinfection by-products.
Environ. Sci.: Water Res. Technol. 6, 779-794 (2020)
Schmitt-Kopplin, P. ; Hertzog, J. ; Mazka, M. ; Hertkorn, N. ; Harir, M.
(Ultra)high resolution organic spectroscop analysis of soluble organic matter in meteorites.
Meteorit. Planet. Sci. 54 (2019)
Powers, L.C.* ; Hertkorn, N. ; McDonald, N.* ; Schmitt-Kopplin, P. ; Del Vecchio, R.* ; Blough, N.V.* ; Gonsior, M.*
Sargassum sp. act as a large regional source of marine dissolved organic carbon and polyphenols.
Global Biogeochem. Cycles 33, 1423-1439 (2019)
Afonso, C.* ; Barrow, M.P.* ; Davies, A.N.* ; Delsuc, M.A.* ; Ebbels, T.* ; Fernandez-Lima, F.* ; Gauchotte-Lindsay, C.* ; Giusti, P.* ; Goodacre, R.* ; Hertkorn, N. ; Jansen, J.J.* ; Jones, D.* ; Kew, W.* ; Kuhn, S.* ; Le Guennec, A.* ; Lubben, A.* ; Parkinson, J.* ; Paša-Tolić, L.* ; Rogers, S.* ; Rudd, T.R.* ; Schoenmakers, P.J.* ; Sidebottom, P.* ; Summerfield, S.* ; Tinnevelt, G.H.* ; Trifirò, G.* ; Trygg, J.* ; van der Hooft, J.J.J.*
Data mining and visualisation: General discussion.
Faraday Discuss. 218, 354-371 (2019)
Afonso, C.* ; Barrow, M.P.* ; Bell, N.G.A.* ; Davies, A.N.* ; Duca, D.* ; Focsa, C.* ; Gauchotte-Lindsay, C.* ; Giusti, P.* ; Godfrey, R.* ; Goodacre, R.* ; Hawkes, J.A.* ; Hertkorn, N. ; Jansen, J.J.* ; Jones, D.* ; Kew, W.* ; Le Guennec, A.* ; Lubben, A.* ; Paša-Tolić, L.* ; Rodgers, R.P.* ; Rüger, C.P.* ; Schmitt-Kopplin, P. ; Schoenmakers, P.J.* ; Sciarrone, D.* ; Summerfield, S.* ; Uhrín, D.* ; Van Zelst, F.H.M.*
Dealing with complexity: General discussion.
Faraday Discuss. 218, 138-156 (2019)
Olk, D.C.* ; Bloom, P.R.* ; Perdue, E.M.* ; McKnight, D.M.* ; Chen, Y.* ; Farenhorst, A.* ; Senesi, N.* ; Chin, Y.-P.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Harir, M.
Environmental and agricultural relevance of humic fractions extracted by alkali from soils and natural waters.
J. Environ. Qual. 48, 217-232 (2019)
Alfonso, C.* ; Chaux, C.* ; Davies, A.N.* ; Delsuc, M.A.* ; Fernandez Lima, F.* ; Gauchotte-Lindsay, C.* ; Giusti, P.* ; Goodacre, R.* ; Hawkes, J.A.* ; Hertkorn, N. ; Janßen, J.J.* ; Kew, W.* ; Kuhn, S.* ; Lubben, A.* ; McGill, D.* ; Nilsson, M.* ; Parkinson, J.* ; Rodgers, R.P.* ; Rogers, S.* ; Schmitt-Kopplin, P. ; Schoenmakers, P.J.* ; Shintu, L.* ; Soong, R.* ; Summerfield, S.* ; Surman, A.* ; Uhrín, D.* ; van der Hooft, J.J.J.*
Future challenges and new approaches: General discussion.
Faraday Discuss. 218, 505-523 (2019)
Adair, E.* ; Afonso, C.* ; Bell, N.G.A.* ; Davies, A.N.* ; Delsuc, M.A.* ; Godfrey, R.* ; Goodacre, R.* ; Hawkes, J.A.* ; Hertkorn, N. ; Jones, D.* ; Lameiras, P.* ; Le Guennec, A.* ; Lubben, A.* ; Nilsson, M.* ; Paša-Tolić, L.* ; Richards, J.* ; Rodgers, R.P.* ; Rüger, C.P.* ; Schmitt-Kopplin, P. ; Schoenmakers, P.J.* ; Sidebottom, P.* ; Staerk, D.* ; Summerfield, S.* ; Uhrín, D.* ; Van Delft, P.* ; van der Hooft, J.J.J.* ; Van Zelst, F.H.M.* ; Zherebker, A.*
High resolution techniques: General discussion.
Faraday Discuss. 218, 247-267 (2019)
Kamjunke, N.* ; Hertkorn, N. ; Harir, M. ; Schmitt-Kopplin, P. ; Griebler, C. ; Brauns, M.* ; von Tümpling, W.* ; Weitere, M.* ; Herzsprung, P.*
Molecular change of dissolved organic matter and patterns of bacterial activity in a stream along a land-use gradient.
Water Res. 164:114919 (2019)
Shakeri Yekta, S.* ; Hedenström, M.* ; Svensson, B.H.* ; Sundgren, I.* ; Dario, M.* ; Enrich-Prast, A.* ; Hertkorn, N. ; Björn, A.*
Molecular characterization of particulate organic matter in full scale anaerobic digesters: An NMR spectroscopy study.
Sci. Total Environ. 685, 1107-1115 (2019)
Roth, V.N.* ; Lange, M.* ; Simon, C.* ; Hertkorn, N. ; Bucher, S.* ; Goodall, T.* ; Griffiths, R.I.* ; Mellado-Vázquez, P.G.* ; Mommer, L.* ; Oram, N.J.* ; Weigelt, A.* ; Dittmar, T.* ; Gleixner, G.*
Persistence of dissolved organic matter explained by molecular changes during its passage through soil.
Nat. Geosc. 12, 755–761 (2019)
Schmitt-Kopplin, P. ; Hemmler, D. ; Moritz, F. ; Gougeon, R.D.* ; Lucio, M. ; Meringer, M.* ; Müller, C. ; Harir, M. ; Hertkorn, N.
Systems chemical analytics: Introduction to the challenges of chemical complexity analysis.
Faraday Discuss. 218, 9-28 (2019)
Gonsior, M.* ; Powers, L.C.* ; Williams, E.* ; Place, A.* ; Chen, F.* ; Ruf, A. ; Hertkorn, N. ; Schmitt-Kopplin, P.
The chemodiversity of algal dissolved organic matter from lysed Microcystis aeruginosa cells and its ability to form disinfection by-products during chlorination.
Water Res. 155, 300-309 (2019)
Andersson, A.* ; Harir, M. ; Gonsior, M.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Kylin, H.* ; Karlsson, S.* ; Ashiq, M.J.* ; Lavonen, E.* ; Nilsson, K.* ; Pettersson, Ä.* ; Stavklint, H.* ; Bastviken, D.*
Waterworks-specific composition of drinking water disinfection by-products.
Environ. Sci.: Water Res. Technol. 5, 861-872 (2019)
Valle Das Neves, J. ; Gonsior, M.* ; Harir, M. ; Enrich-Prast, A.* ; Schmitt-Kopplin, P. ; Bastviken, D.* ; Conrad, R.* ; Hertkorn, N.
Extensive processing of sediment pore water dissolved organic matter during anoxic incubation as observed by high-field mass spectrometry (FTICR-MS).
Water Res. 129, 252-263 (2018)
Shakeri Yekta, S.* ; Hedenström, M.* ; Stehr, J.E.* ; Dario, M.* ; Hertkorn, N. ; Björn, A.*
Pretreatment,of anaerobic digester samples by hydrochloric acid for solution-state 1H and 13C NMR spectroscopic characterization of organic matter.
Chemosphere 199, 201-209 (2018)
Schmitt-Kopplin, P. ; Ruf, A.* ; Hertkorn, N. ; Harir, M. ; Kanawati, B. ; Lucio, M. ; Quirico, E.* ; Gabelica, Z.*
Thermal stress-marker in meteorites: A  molecular approach with (ultra) high resolution organic spectroscopy.
Meteorit. Planet. Sci. 53, 6281-6281 (2018)
Gonsior, M.* ; Hertkorn, N. ; Hinman, N.* ; Dvorski, S. ; Harir, M. ; Cooper, W.J.* ; Schmitt-Kopplin, P.
Yellowstone hot springs are organic chemodiversity hot spots.
Sci. Rep. 8:14155 (2018)
Kamjunke, N.* ; von Tümpling, W.* ; Hertkorn, N. ; Harir, M. ; Schmitt-Kopplin, P. ; Norf, H.* ; Weitere, M.* ; Herzsprung, P.*
A new approach for evaluating transformations of dissolved organic matter (DOM) via high-resolution mass spectrometry and relating it to bacterial activity.
Water Res. 123, 513-523 (2017)
Herzsprung, P.* ; Osterloh, K.* ; von Tümpling, W.* ; Harir, M. ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Meissner, R.* ; Bernsdorf, S.* ; Friese, K.*
Differences in DOM of rewetted and natural peatlands - Results from high-field FT-ICR-MS and bulk optical parameters.
Sci. Total Environ. 586, 770-781 (2017)
Herzsprung, P.* ; von Tümpling, W.* ; Wendt-Potthoff, K.* ; Hertkorn, N. ; Harir, M. ; Schmitt-Kopplin, P. ; Friese, K.*
High field FT-ICR mass spectrometry data sets enlighten qualitative DOM alteration in lake sediment porewater profiles.
Org. Geochem. 108, 51-60 (2017)
Li, Y. ; Harir, M. ; Uhl, J. ; Kanawati, B. ; Lucio, M. ; Smirnov, K. ; Koch, B.P.* ; Schmitt-Kopplin, P. ; Hertkorn, N.
How representative are dissolved organic matter (DOM) extracts? A comprehensive study of sorbent selectivity for DOM isolation.
Water Res. 116, 316-323 (2017)
Kamjunke, N.* ; Nimptsch, J.* ; Harir, M. ; Herzsprung, P.* ; Schmitt-Kopplin, P. ; Neu, T.R.* ; Graeber, D.* ; Osorio, S.* ; Valenzuela, J.* ; Carlos Reyes, J.* ; Woelfl, S.* ; Hertkorn, N.
Land-based salmon aquacultures change the quality and bacterial degradation of riverine dissolved organic matter.
Sci. Rep. 7:43739 (2017)
Zhao, Z.* ; Gonsior, M.* ; Luek, J.* ; Timko, S.A.* ; Ianiri, H.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Fang, X.* ; Zeng, Q.* ; Jiao, N.* ; Chen, F.*
Picocyanobacteria and deep-ocean fluorescent dissolved organic matter share similar optical properties.
Nat. Commun. 8:15284 (2017)
Ruf, A. ; Kanawati, B. ; Hertkorn, N. ; Yin, Q.Z.* ; Moritz, F. ; Harir, M. ; Lucio, M. ; Michalke, B. ; Wimpenny, J.* ; Shilobreeva, S.* ; Bronsky, B.* ; Saraykin, V.* ; Gabelica, Z.* ; Gougeon, R.D.* ; Quirico, E.* ; Ralew, S.* ; Jakubowski, T.* ; Haack, H.* ; Gonsior, M.* ; Jenniskens, P.* ; Hinman, N.* ; Schmitt-Kopplin, P.
Previously unknown class of metalorganic compounds revealed in meteorites.
Proc. Natl. Acad. Sci. U.S.A. 114, 2819-2824 (2017)
Dadi, T.* ; Harir, M. ; Hertkorn, N. ; Koschorreck, M.* ; Schmitt-Kopplin, P. ; Herzsprung, P.*
Redox conditions affect dissolved organic carbon quality in stratified freshwaters.
Environ. Sci. Technol. 51, 13705-13713 (2017)
Zhernov, Y.V.* ; Kremb, S. ; Helfer, M. ; Schindler, M.* ; Harir, M. ; Mueller, C. ; Hertkorn, N. ; Avvakumova, N.P.* ; Konstantinov, A.I.* ; Brack-Werner, R. ; Schmitt-Kopplin, P. ; Perminova, I.V.*
Supramolecular combinations of humic polyanions as potent microbicides with polymodal anti-HIV-activities.
New J. Chem. 41, 212-224 (2017)
Engel, A.M.* ; Bange, H.W.* ; Cunliffe, M.* ; Burrows, S.M.* ; Friedrichs, G.* ; Galgani, L.* ; Herrmann, H.* ; Hertkorn, N. ; Johnson, M.A.* ; Liss, P.S.* ; Quinn, P.K.* ; Schartau, M.* ; Soloviev, A.* ; Stolle, C.* ; Upstill-Goddard, R.C.* ; van Pinxteren, M.* ; Zäncker, B.*
The ocean's vital skin: Toward an integrated understanding of the sea surface microlayer.
Front. Mar. Sci. 4:165 (2017)
Handle, F.* ; Harir, M. ; Fuessl, J.* ; Kosyun, A.N.* ; Grossegger, D.* ; Hertkorn, N. ; Eberhardsteiner, L.* ; Hofko, B.* ; Hospodka, M.* ; Blab, R.* ; Schmitt-Kopplin, P. ; Grothe, H.*
Tracking aging of bitumen and its saturate, aromatic, resin, and asphaltene fractions using high-field fourier transform ion cyclotron resonance mass spectrometry.
Energy Fuels 31, 4771-4779 (2017)
Gonsior, M.* ; Valle Das Neves, J. ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Bastviken, D.* ; Luek, J.* ; Harir, M. ; Bastos, W.* ; Enrich-Prast, A.*
Chemodiversity of dissolved organic matter in the Amazon Basin.
Biogeosciences 13, 4279-4290 (2016)
Li, Y. ; Harir, M. ; Lucio, M. ; Gonsior, M.* ; Koch, B.P.* ; Schmitt-Kopplin, P. ; Hertkorn, N.
Comprehensive structure-selective characterization of dissolved organic matter by reducing molecular complexity and increasing analytical dimensions.
Water Res. 106, 477-487 (2016)
Dvorski, S. ; Gonsior, M.* ; Hertkorn, N. ; Uhl, J. ; Müller, H. ; Griebler, C. ; Schmitt-Kopplin, P.
Geochemistry of dissolved organic matter in a spatially highly resolved goundwater petroleum hydrocarbon plume cross-section.
Environ. Sci. Technol. 50, 5536-5546 (2016)
Hertkorn, N. ; Harir, M. ; Cawley, K.M.* ; Schmitt-Kopplin, P. ; Jaffe, R.*
Molecular characterization of dissolved organic matter from subtropical wetlands: A comparative study through the analysis of optical properties, NMR and FT-ICR/MS.
Biogeosciences 13, 2257-2277 (2016)
Herzsprung, P.* ; Hertkorn, N. ; von Tümpling, W.* ; Harir, M. ; Friese, K.* ; Schmitt-Kopplin, P.
Molecular formula assignment for Dissolved Organic Matter (DOM) using high-field FT-ICR-MS: Chemical perspective and validation of sulphur-rich organic components (CHOS) in pit lake samples.
Anal. Bioanal. Chem. 408, 2461-2469 (2016)
Seeka, C.* ; Sutthivaiyakit, P.* ; Youkwan, J.* ; Hertkorn, N. ; Harir, M. ; Schmitt-Kopplin, P. ; Sutthivaiyakit, S.*
Prenylfuranocoumarin-HMGA-flavonol glucoside conjugates and other constituents of the fruit peels of Citrus hystrix and their anticholinesterase activity.
Phytochemistry 127, 38-49 (2016)
Li, Y. ; Harir, M. ; Lucio, M. ; Kanawati, B. ; Smirnov, K. ; Flerus, R.* ; Koch, B.P.* ; Schmitt-Kopplin, P. ; Hertkorn, N.
Proposed guidelines for solid phase extraction of Suwannee River dissolved organic matter.
Anal. Chem. 88, 6680-6688 (2016)
Ruf, A. ; Hertkorn, N. ; Harir, M. ; Kanawati, B. ; Lucio, M. ; Quirico, E.* ; Gabelica, Z.* ; Gougeon, R.* ; Schmitt-Kopplin, P.
Ultrahigh- resolving analytics in meteoritic soluble organic matter.
Meteorit. Planet. Sci. 51, A547-A547 (2016)
Tohge, T.* ; Zhang, Y.* ; Peterek, S.* ; Matros, A.* ; Rallapalli, G.* ; Tandrón, Y.A.* ; Butelli, E.* ; Kallam, K.* ; Hertkorn, N. ; Mock, H.P.* ; Martin, C.* ; Fernie, A.R.*
Ectopic expression of snapdragon transcription factors facilitates the identification of genes encoding enzymes of anthocyanin decoration in tomato.
Plant J. 83, 686-704 (2015)
Herzsprung, P.* ; von Tümpling, W.* ; Hertkorn, N. ; Harir, M. ; Friese, K.* ; Schmitt-Kopplin, P.
High-field FTICR-MS data evaluation of natural organic matter: Are CHON5S2 molecular class formulas assigned to 13C isotopic m/z and in reality CHO components?
Anal. Chem. 87, 9563-9566 (2015)
Lechtenfeld, O.J.* ; Hertkorn, N. ; Shen, Y.* ; Witt, M.* ; Benner, R.*
Marine sequestration of carbon in bacterial metabolites.
Nat. Commun. 6:6711 (2015)
Yakimov, M.M.* ; la Cono, V.L.* ; Spada, G.L.* ; Bortoluzzi, G.* ; Messina, E.* ; Smedile, F.* ; Arcadi, E.* ; Borghini, M.* ; Ferrer, M.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Cray, J.A.* ; Hallsworth, J.E.* ; Golyshin, P.N.* ; Giuliano, L.*
Microbial community of the deep-sea brine Lake Kryos seawater-brine interface is active below the chaotropicity limit of life as revealed by recovery of mRNA.
Environ. Microbiol. 17, 364-382 (2015)
Hertkorn, N. ; Harir, M. ; Cawley, K.M.* ; Schmitt-Kopplin, P. ; Jaffe, R.*
Molecular characterization of dissolved organic matter from subtropical wetlands: A comparative study through the analysis of optical properties, NMR and FTICR/MS.
Biogeosci. Discuss. 12, 13711-13765 (2015)
Hertkorn, N. ; Harir, M. ; Schmitt-Kopplin, P.
Nontarget analysis of Murchison soluble organic matter by high-field NMR spectroscopy and FTICR mass spectrometry.
Magn. Reson. Chem. 53, 754-768 (2015)
Green, N.W.* ; McInnis, D.* ; Hertkorn, N. ; Maurice, P.A.* ; Perdue, E.M.*
Suwannee River natural organic matter: Isolation of the 2R101N reference sample by reverse osmosis.
Environ. Eng. Sci. 32, 38-44 (2015)
Schmitt-Kopplin, P. ; Harir, M. ; Kanawati, B. ; Gougeon, R.* ; Moritz, F. ; Hertkorn, N. ; Clary, R.* ; Gebefügi, I.L. ; Gabelica, Z.*
Analysis of extraterrestrial organic matter in Murchison meteorite.
In: Kolb, V.M.* [Eds.]: Astrobiology: An Evolutionary Approach. Boca Raton, FL: CRC Press, 2014. 63-82
Gonsior, M.* ; Schmitt-Kopplin, P. ; Stavklint, H.* ; Richardson, S.D.* ; Hertkorn, N. ; Bastviken, D.*
Dissolved organic matter changes along treatments of a drinking water plant in Sweden and the formation of previously unknown DBPs.
Environ. Sci. Technol. 48, 12714-12722 (2014)
Hertkorn, N.
Environmental NMR: Solution-state methods.
In: Simpson, M.J.* ; Simpson, A.J.* [Eds.]: NMR Spectroscopy : A Versatile Tool for Environmental Research. Weinheim: Wiley, 2014. 3-30
Börjesson, K.* ; Ćoso, D.* ; Gray, V.* ; Grossman, J.C.* ; Guan, J.* ; Harris, C.B.* ; Hertkorn, N. ; Hou, Z.* ; Kanai, Y.* ; Lee, D.* ; Lomont, J.P.* ; Majumdar, A.K.* ; Meier, S.K.* ; Moth-Poulsen, K.* ; Myrabo, R.L.* ; Nguyen, S.C.* ; Segalman, R.A.* ; Srinivasan, V.S.* ; Tolman, W.B.* ; Vinokurov, N.A.* ; Vollhardt, K.P.C.* ; Weidman, T.W.*
Exploring the potential of fulvalene dimetals as platforms for molecular solar thermal energy storage: Computations, syntheses, structures, kinetics, and catalysis.
Chem. Eur. J. 20, 15587-15604 (2014)
Jenniskens, P.* ; Rubin, A.E.* ; Yin, Q.Z.* ; Sears, D.W.G* ; Sandford, S.A.* ; Zolensky, M.E.* ; Krot, A.N.* ; Blair, L.* ; Kane, D.* ; Utas, J.* ; Verish, R.* ; Friedrich, J.M.* ; Wimpenny, J.* ; Eppich, G.R.* ; Ziegler, K.* ; Verosub, K.L.* ; Rowland, D.J.* ; Albers, J.* ; Gural, P.S.* ; Grigsby, B.* ; Fries, M.D.* ; Matson, R.* ; Johnston, M.* ; Silber, S.* ; Brown, P.* ; Yamakawa, A.* ; Sanborn, M.E.* ; Laubenstein, M.* ; Welten, K.C.* ; Nishiizumi, K.* ; Meier, M.M.M* ; Busemann, H.* ; Clay, P.* ; Caffee, M.W.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Glavin, D.P.* ; Callahan, M.P.* ; Dworkin, J.P.* ; Wu, Q.* ; Zare, R.N.* ; Grady, M.* ; Verchovsky, S.* ; Emel'yanenko, V.* ; Naroenkov, S.* ; Clark, D.L.* ; Girten, B.* ; Worden, P.S.* ; Novato Meteorite Consortium (*)
Fall, recovery, and characterization of the Novato L6 chondrite breccia.
Meteorit. Planet. Sci. 49, 1388-1425 (2014)
Cortés-Francisco, N.* ; Harir, M. ; Lucio, M. ; Ribera, G.* ; Martínez-Lladó, X.* ; Rovira, M.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Caixach, J.*
High-field FT-ICR mass spectrometry and NMR spectroscopy to characterize DOM removal through a nanofiltration pilot plant.
Water Res. 67, 154-165 (2014)
Zhang, F.* ; Harir, M. ; Moritz, F. ; Zhang, J.* ; Witting, M. ; Wu, Y.* ; Schmitt-Kopplin, P. ; Fekete, A. ; Gáspár, A. ; Hertkorn, N.
Molecular and structural characterization of dissolved organic matter during and post cyanobacterial bloom in Taihu by combination of NMR spectroscopy and FTICR mass spectrometry.
Water Res. 57, 280-294 (2014)
Gonsior, M.* ; Hertkorn, N. ; Conte, M.H.* ; Cooper, W.J.* ; Bastviken, D.* ; Druffel, E.* ; Schmitt-Kopplin, P.
Photochemical production of polyols arising from significant photo-transformation of dissolved organic matter in the oligotrophic surface ocean.
Mar. Chem. 163, 10-18 (2014)
Herzsprung, P.* ; Hertkorn, N. ; von Tümpling, W.* ; Harir, M. ; Friese, K.* ; Schmitt-Kopplin, P.
Understanding molecular formula assignment of Fourier transform ion cyclotron resonance mass spectrometry data of natural organic matter from a chemical point of view.
Anal. Bioanal. Chem. 406, 7977-7987 (2014)
Müller, C. ; Harir, M. ; Hertkorn, N. ; Kanawati, B. ; Tziotis, D.* ; Schmitt-Kopplin, P.
Using ultrahigh resolution mass spectrometry to unravel the chemical space of complex natural product mixtures.
In: Havlicek, V.* ; Spizek, J.* [Eds.]: Natural Products Analysis: Instrumentation, Methods, and Applications. Hoboken, NY: Wiley-Blackwell, 2014. 545-572
Meckenstock, R.U. ; von Netzer, F. ; Stumpp, C. ; Lueders, T. ; Himmelberg, A.M.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Harir, M. ; Hosein, R.* ; Haque, S.* ; Schulze-Makuch, D.*
Water droplets in oil are microhabitats for microbial life.
Science 345, 673-676 (2014)
Popova, O.P.* ; Jenniskens, P.* ; Emel'yanenko, V.* ; Kartashova, A.* ; Biryukov, E.* ; Khaibrakhmanov, S.* ; Shuvalov, V.* ; Rybnov, Y.* ; Dudorov, A.* ; Grokhovsky, V.I.* ; Badyukov, D.D.* ; Yin, Q.Z.* ; Gural, P.S.* ; Albers, J.* ; Granvik, M.* ; Evers, L.G.* ; Kuiper, J.* ; Kharlamov, V.* ; Solovyov, A.* ; Rusakov, Y.S.* ; Korotkiy, S.* ; Serdyuk, I.* ; Korochantsev, A.V.* ; Larionov, M.Y.* ; Glazachev, D.* ; Mayer, A.E.* ; Gisler, G.* ; Gladkovsky, S.V.* ; Wimpenny, J.* ; Sanborn, M.E.* ; Yamakawa, A.* ; Verosub, K.L.* ; Rowland, D.J.* ; Roeske, S.* ; Botto, N.W.* ; Friedrich, J.M.* ; Zolensky, M.E.* ; Le, L.* ; Ross, D.* ; Ziegler, K.* ; Nakamura, T.* ; Ahn, I.* ; Lee, J.I.* ; Zhou, Q.* ; Li, X.H.* ; Li, Q.L.* ; Liu, Y.* ; Tang, G.Q.* ; Hiroi, T.* ; Sears, D.* ; Weinstein, I.A.* ; Vokhmintsev, A.S.* ; Ishchenko, A.V.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Nagao, K.* ; Haba, M.K.* ; Komatsu, M.* ; Mikouchi, T.* ; Chelyabinsk Airburst Consortium (*)
Chelyabinsk airburst, damage assessment, meteorite recovery, and characterization.
Science 342, 1069-1073 (2013)
Hertkorn, N. ; Harir, M. ; Gonsior, M.* ; Koch, B.* ; Michalke, B. ; Schmitt-Kopplin, P.
Elucidating individual biogeochemical signatures of ocean waters by means of high-resolution organic structural spectroscopy.
In: González-Pérez, J.A.* ; González-Vila, F.J.* ; Jiménez Morillo, N.T.* ; Almendros, G.* [Eds.]: Organic Geochemistry: Trends for the 21th Century (IMOG2013 26th International Meeting on Organic Geochemistry, 15 - 20 September 2013, Tenerife, Spain). Tenerife: CSIC, 2013. 61-62
Hertkorn, N. ; Harir, M. ; Koch, B.P.* ; Michalke, B. ; Schmitt-Kopplin, P.
High-field NMR spectroscopy and FTICR mass spectrometry: Powerful discovery tools for the molecular level characterization of marine dissolved organic matter.
Biogeosciences 10, 1583-1624 (2013)
Hertkorn, N. ; Schmitt-Kopplin, P.
Metabolomics and more complex systems and our current capacity to depict molecular dissimilarity.
Vortrag: Fachgespräch mit Zentrumsvertretern zur Bedeutung der Omics-Technologien für die lebenswissenschaftliche Forschung und Lehre in Deutschland, 10 Juni 2013, Berlin (2013)
Hertkorn, N. ; Schmitt-Kopplin, P.
Metabolomics and more complex systems and our current capacity to depict molecular dissimilarity.
Vortrag: HMGU-Thementag : Terrestrische Umwelt, 12 June 2013, Neuherberg (2013)
Hertkorn, N. ; Harir, M. ; Schmitt-Kopplin, P.
Natural organic matter and our current capacity to depict molecular dissimilarity in complex mixtures.
Mineral. Mag. 77, 1294 (2013)
Hertkorn, N. ; Schmitt-Kopplin, P.
Selective fractionation and chemical transformation of organics at and across the marine surface layer.
Vortrag: Rundgespräch DFG-Schwerpunktprogramm : Oil spills - Interdisciplinary studies of the chemical behavior of crude oil in the marine, terrestrial and atmospheric environment (2013)
Zhang, F.* ; Zhang, J.* ; Harir, M. ; Schmitt-Kopplin, P. ; Witting, M. ; Fekete, A. ; Wu, Y.* ; Gáspár, A. ; Hertkorn, N.
Characterization of dissolved organic matter during and after cyanobacterium (Microcystis aeruginosa) bloom in Taihu Lake, China.
Vortrag: International Symposium on Climate Change and Human Activities: Coastal Consequences and Responses, 28 - 31 October 2012, Shanghai (2012)
Perminova, I.V.* ; Karpiouk, L.A.* ; Ponomarenko, S.A.* ; Hatfield, K.* ; Konstantinov, A.I.* ; Hertkorn, N. ; Muzafarov, A.M.*
Controlling aqueous sorption of humic substances on silica gel by directed alkoxysilyl-derivatization of their functionalities.
Colloid Surf. A-Physicochem. Eng. Asp. 396, 224-232 (2012)
Schmitt-Kopplin, P. ; Liger-Belair, G.* ; Koch, B.P.* ; Flerus, R.* ; Kattner, G.* ; Harir, M. ; Kanawati, B. ; Lucio, M. ; Tziotis, D. ; Hertkorn, N. ; Gebefügi, I.
Dissolved organic matter in sea spray: A transfer study from marine surface water to aerosols.
Biogeosciences 9, 1571-1582 (2012)
Hertkorn, N. ; Harir, M. ; Koch, B.P.* ; Michalke, B. ; Schmitt-Kopplin, P.
Elucidating the biogeochemical memory of the oceans by means of high-resolution organic structural spectroscopy.
In: Proceedings of the 16th Meeting of the International Humic Substances Society (The 16th Meeting of the International Humic Substances Society, Hangzhou China, 9-14 September 2012). Hangzhou, China: International Humic Substances Society, 2012.
Hertkorn, N. ; Harir, M. ; Koch, B.P. ; Michalke, B. ; Schmitt-Kopplin, P.
Elucidating the biogeochemical memory of the oceans by means of high-resolution organic structural spectroscopy.
Poster: Gordon Research Conferences: Organic Geochemistry, 29 July - 03 August 2012, Holderness, Netherlands (2012)
Schmitt-Kopplin, P. ; Harir, M. ; Hertkorn, N. ; Chennaoui-Aoudjehane, H.* ; Fernandez Remolar, D.C.* ; Hinman, N.* ; Gougeon, R.* ; Gabelica, Z.*
High chemical diversity in solvent soluble polar fractions of the tissint shergottite.
Meteorit. Planet. Sci. 47, A344 (2012)
Jenniskens, P.* ; Fries, M.D.* ; Yin, Q.Z.* ; Zolensky, M.* ; Krot, A.N.* ; Sandford, S.A.* ; Sears, D.* ; Beauford, R.* ; Ebel, D.S.* ; Friedrich, J.M.* ; Nagashima, K.* ; Wimpenny, J.* ; Yamakawa, A.* ; Nishiizumi, K.* ; Hamajima, Y.* ; Caffee, M.W.* ; Welten, K.C.* ; Laubenstein, M.* ; Davis, A.M.* ; Simon, S.B.* ; Heck, P.R.* ; Young, E.D.* ; Kohl, I.E.* ; Thiemens, M.H.* ; Nunn, M.H.* ; Mikouchi, T.* ; Hagiya, K.* ; Ohsumi, K.* ; Cahill, T.A.* ; Lawton, J.A.* ; Barnes, D.* ; Steele, A.* ; Rochette, P.* ; Verosub, K.L.* ; Gattacceca, J.* ; Cooper, G.* ; Glavin, D.P.* ; Burton, A.S.* ; Dworkin, J.P.* ; Elsila, J.E.* ; Pizzarello, S.* ; Ogliore, R.* ; Schmitt-Kopplin, P. ; Harir, M. ; Hertkorn, N. ; Verchovsky, A.* ; Grady, M.* ; Nagao, K.* ; Okazaki, R.* ; Takechi, H.* ; Hiroi, T.* ; Smith, K.* ; Silber, E.A.* ; Brown, P.G.* ; Albers, J.* ; Klotz, D.* ; Hankey, M.* ; Matson, R.* ; Fries, J.A.* ; Walker, R.J.* ; Puchtel, I.* ; Lee, C.T.* ; Erdman, M.E.* ; Eppich, G.R.* ; Roeske, S.* ; Gabelica, Z.* ; Lerche, M.* ; Nuevo, M.* ; Girten, B.* ; Worden, S.P.* ; Sutter's Mill Meteorite Consortium (*)
Radar-enabled recovery of the Sutter's Mill meteorite, a carbonaceous chondrite regolith breccia.
Science 338, 1583-1587 (2012)
Schmitt-Kopplin, P. ; Harir, M. ; Tziotis, D. ; Gabelica, Z.* ; Hertkorn, N.
Ultrahigh resolution fourier transform ion cyclotron resonance mass spectrometry for the analysis of natural organic matter from various environmental systems.
In: Lebedev, A.T.* [Eds.]: Comprehensive Environmental Mass Spectronomy. Hertfordshire, UK: ILM Publications, 2012. 443-460 (Advanced Topics in Environmental Science Series)
Schmitt-Kopplin, P. ; Harir, M. ; Hertkorn, N. ; Jenniskens, P.* ; Waiblinger, M.* ; Gabelica, Z.*
Unusual chemical diversity in solvent soluble polar fractions of the Sutter's mill carbonaceous chondrite.
Meteorit. Planet. Sci. 47, A345 (2012)
Herzsprung, P.* ; von Tümpling, W.* ; Hertkorn, N. ; Harir, M. ; Büttner, O.* ; Bravidor, J.* ; Friese, K.* ; Schmitt-Kopplin, P.
Variations of DOM quality in inflows of a drinking water reservoir: Linking of van Krevelen diagrams with EEMF spectra by rank correlation.
Environ. Sci. Technol. 46, 5511-5518 (2012)
Gougeon, R.D.* ; Lucio, M. ; Boutegrabet, L.* ; Peyron, D.* ; Feuillat, F.* ; Chassagne, D.* ; Alexandre, H.* ; Voilley, A.* ; Cayot, P.* ; Gebefügi, I. ; Hertkorn, N. ; Schmitt-Kopplin, P.
Authentication approach of the chemodiversity of grape and wine by FTICR-MS.
ACS Symp. Series 1081, 69-88 (2011)
Hertkorn, N. ; Zhang, F.* ; Schmitt-Kopplin, P. ; Fekete, A. ; Gáspár, A. ; Wu, Y.* ; Zhang, J.*
Compositional and structural dynamics of dissolved organic matter during Cyanobacteria (Microcystis aeruginosa) Bloom in Taihu Lake, China.
Vortrag: European Geosciences Union General Assembly 2011, 03-08 April 2011., Vienna Austria. (2011)
Boutegrabet, L. ; Fekete, A. ; Hertkorn, N. ; Papastamoulis, Y.* ; Waffo-Téguo, P.* ; Mérillon, J.M.* ; Jeandet, P.* ; Gougeon, R.D.* ; Schmitt-Kopplin, P.
Determination of stilbene derivatives in Burgundy red wines by ultra-high-pressure liquid chromatography.
Anal. Bioanal. Chem. 401, 1513-1521 (2011)
Hertkorn, N. ; Schmitt-Kopplin, P.
High-precision frequenzy measurements: indispensable tools at the core of molecular-level analysis of complex materials .
Vortrag: First International Conference on Humics-based Innovative Technologies «Natural and Synthetic Polyfunctional Compounds and Nanomaterials in Medicine and Biomedical Technologies»,, 4-8 November 2010, Lomonosov Moscow State University, Moscow, Russia,. (2011)
Tziotis, D. ; Hertkorn, N. ; Schmitt-Kopplin, P.
Kendrick-analogous network visualisation of ion cyclotron resonance Fourier transform mass spectra: Improved options for the assignment of elemental compositions and the classification of organic molecular complexity.
Eur. J. Mass Spectrom. 17, 415-421 (2011)
Grinhut, T.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Hadar, Y.* ; Chen, Y.N.*
Mechanisms of humic acids degradation by white rot fungi explored using 1H NMR spectroscopy and FTICR mass spectrometry.
Environ. Sci. Technol. 45, 2748-2754 (2011)
Hong, Y.S.* ; Cilindre, C.* ; Liger-Belair, G.* ; Jeandet, P.* ; Hertkorn, N. ; Schmitt-Kopplin, P.
Metabolic influence of Botrytis cinerea infection in champagne base wine.
J. Agric. Food Chem. 59, 7237-7245 (2011)
Gonsior, M.* ; Zwartjes, M.* ; Cooper, W.J.* ; Song, W.* ; Ishida, K.P.* ; Tseng, L.Y.* ; Jeung, M.K.* ; Rosso, D.* ; Hertkorn, N. ; Schmitt-Kopplin, P.
Molecular characterization of effluent organic matter identified by ultrahigh resolution mass spectrometry.
Water Res. 45, 2943-2953 (2011)
Hertkorn, N. ; Schmitt-Kopplin, P.
Natural organic matter and our current capacity to depict molecular dissimilarity.
Vortrag: European Geosciences Union General Assembly 2011, 03-08 April 2011, Vienna Austria. (2011)
Hertkorn, N.
NMR spectra of secondary atnospheric aerosols (SOA).
Vortrag: GDCh-NMR-Diskussionstagung, 17-18 January 2011, Universität Erlangen, Institut für Organische Chemie. (2011)
Schmitt-Kopplin, P. ; Gelencser, A.* ; Dabek-Zlotorzynska, E.* ; Kiss, G.* ; Hertkorn, N. ; Harir, M. ; Hong, Y.* ; Gebefügi, I.
Analysis of the unresolved organic fraction in atmospheric aerosols with ultrahigh-resolution mass spectrometry and nuclear magnetic resonance spectroscopy: Organosulfates as photochemical smog constituents.
Anal. Chem. 82, 8017-8026 (2010)
Hertkorn, N. ; Zhang, F.* ; Schmitt-Kopplin, P. ; Fekete, A.* ; Gáspár, A.* ; Wu, Y.* ; Zhang, J.*
Compositional and structural dynamics of dissolved organic matter during cyanobacteria (Microcystis aeruginosa) bloom in Taihu Lake, China.
Vortrag: Humic Science and Technology Thirteen, 17-19 March 2010, Boston, USA. (2010)
Zhang, F.* ; Zhang, J.* ; Schmitt-Kopplin, P. ; Fekete, A.* ; Wu, Y.* ; Gáspár, A.* ; Hertkorn, N.
Compositional and structural dynamics of dissolved organic matter during cyanobacteria (Microcystis aeruginosa) bloom in Taihu Lake, China.
Vortrag: American Chemical Society, Spring 2010 National Meeting & Exposition, 21-25 March 2010, San Francisco, USA. (2010)
Hertkorn, N. ; Zhang, F.* ; Schmitt-Kopplin, P. ; Fekete, A.* ; Gáspár, A.* ; Wu, Y.* ; Zhang, J.*
Compositional and structural dynamics of dissolved organic matter during cyanobacteria (Microcystis aeruginosa) bloom in Taihu Lake, China.
Vortrag: 9th European Fourier Transform Mass Spectrometry Workshop, 6-9 April 2010, Lausanne, France. (2010)
Zhang, F.* ; Zhang, J.* ; Schmitt-Kopplin, P. ; Fekete, A. ; Wu, Y.* ; Gáspár, A. ; Hertkorn, N.
Dynamik von organischem Kohlenstoff während der Cyanobakterien-Algenblüte (Microcystis aeruginosa) 2007 im Taihu-See, China.
Vortrag: CDCh-NMR-Diskussionstagung : Praktische Probleme der Kernresonanz-Spektroskopie, 18-19 January 2010, Erlangen, Germany. (2010)
Hertkorn, N. ; Gabelica, Z.* ; Gougeon, R.D.* ; Schmitt-Kopplin, P.
Extraterrestrial organic matter and its relationship to the origin of terresstrial life .
Vortrag: 14th Nordic MS Conference, 18-20 August 2010, Uppsala, Sweden. (2010)
Hertkorn, N. ; Gabelica, Z.* ; Gougeon, R.D.* ; Schmitt-Kopplin, P.
Extraterrestrial organic matter and its relationship to the origin of terrestrial life.
In: González-Pérez, J.A.* ; González-Vila, F.J.* ; Almendros, G.* [Eds.]: Advances in Natural Organic Matter and Humic Substances Research 2008-2010 (15th Meeting of the International Humic Substances Society, June 27- July 2, 2010, Tenerife - Canary Islands). Madrid: CSIC, 2010. 299-302 ( ; 1)
Hertkorn, N. ; Gabelica, Z.* ; Gougeon, R.D.* ; Schmitt-Kopplin, P.
Extraterrestrial organic matter and its relationship to the origin of terrestrial life.
Vortrag: SKLEC, 21 October 2010, 3663 Zhongshan Beilu, East China Normal University, Shanghai, China. (2010)
Schmitt-Kopplin, P. ; Gabelica, Z.* ; Gougeon, R.D.* ; Fekete, A. ; Kanawati, B. ; Harir, M. ; Gebefügi, I.L. ; Eckel, G.* ; Hertkorn, N.
High molecular diversity of extraterrestrial organic matter in Murchison meteorite revealed 40 years after its fall.
Proc. Natl. Acad. Sci. U.S.A. 107, 2763-2768 (2010)
Chnirheb, A. ; Harir, M. ; Kanawati, B. ; Fekete, A. ; El Azzouzi, M.* ; Hertkorn, N. ; Schmitt-Kopplin, P.
Hydrolysis of mefenpyrdiethyl: An analytical and DFT investigation.
Anal. Bioanal. Chem. 398, 2325-2334 (2010)
Hertkorn, N.
NMR spectroscopy and metabolomics.
Vortrag: Analytica-World, 15-17 September 2010, Shanghai New Expo Centre. (2010)
Grinhut, T.* ; Lansky, D.* ; Gáspár, A. ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Hadar, Y.* ; Chen, Y.N.*
Novel software for data analysis of Fourier transform ion cyclotron resonance mass spectra applied to natural organic matter.
Rapid Commun. Mass Spectrom. 24, 2831-2837 (2010)
Herzsprung, P.* ; Hertkorn, N. ; Friese, K.* ; Schmitt-Kopplin, P.
Photochemical degradation of natural organic sulfur compounds (CHOS) from iron-rich mine pit lake pore waters - an initial understanding from evaluation of single-elemental formulae using ultra-high-resolution mass spectrometry.
Rapid Commun. Mass Spectrom. 24, 2909-2924 (2010)
Gáspár, A. ; Harir, M. ; Hertkorn, N. ; Schmitt-Kopplin, P.
Preparative free-flow electrophoretic offline ESI-Fourier transform ion cyclotron resonance/MS analysis of Suwannee River fulvic acid.
Electrophoresis 31, 2070-2079 (2010)
Morales-Cid, G. ; Gebefügi, I. ; Kanawati, B. ; Harir, M. ; Hertkorn, N. ; Rosselló-Mora, R.* ; Schmitt-Kopplin, P.
Automated microextraction sample preparation coupled on-line to FT-ICR-MS: Application to desalting and concentration of river and marine dissolved organic matter.
Anal. Bioanal. Chem. 395, 797-807 (2009)
Koprivnjak, J.-F.* ; Pfromm, P.H.* ; Ingall, E.* ; Vetter, T.A.* ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Frommberger, M. ; Knicker, H.* ; Perdue, E.M.*
Chemical and spectroscopic characterization of marine dissolved organic matter isolated using coupled reverse osmosis-electrodialysis.
Geochim. Cosmochim. Acta 73, 4215-4231 (2009)
Hertkorn, N. ; Schmitt-Kopplin, P. ; Perdue, E.M.*
Depicting molecular dissimilarity in complex materials.
Vortrag: Vortrag an der University of Toronto, 22nd May 2009, Toronto, Ontario, Canada. (2009)
Gougeon, R.D.* ; Lucio, M. ; de Boel, A.* ; Frommberger, M. ; Hertkorn, N. ; Peyron, D.* ; Chassagne, D.* ; Feuillat, F.* ; Cayot, P.* ; Voilley, A.* ; Gebefügi, I. ; Schmitt-Kopplin, P.
Expressing forest origins in the chemical composition of cooperage oak woods and corresponding wines by using FTICR-MS.
Chem. Eur. J. 15, 600-611 (2009)
Thevenot, M.* ; Dousset, S.* ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Andreux, F.*
Interactions of diuron with dissolved organic matter from organic amendments.
Sci. Total Environ. 407, 4297-4302 (2009)
Gougeon, R.D.* ; Lucio, M. ; Frommberger, M. ; Peyron, D.* ; Chassagne, D.* ; Alexandre, H.* ; Feuillat, F.* ; Voilley, A.* ; Cayot, P.* ; Gebefügi, I. ; Hertkorn, N. ; Schmitt-Kopplin, P.
The chemodiversity of wines can reveal a metabologeography expression of cooperage oak wood.
Proc. Natl. Acad. Sci. U.S.A. 106, 9174-9179 (2009)
Kunenkov, E.V.* ; Kononikhin, A.S.* ; Perminova, I.V.* ; Hertkorn, N. ; Gáspár, A. ; Schmitt-Kopplin, P. ; Popov, I.A.* ; Garmash, A.V.* ; Nikolaev, E.N.*
Total mass difference statistics algorithm: A new approach to identification of high-mass building blocks in electrospray ionization Fourier transform ion cyclotron mass spectrometry data of natural organic matter.
Anal. Chem. 81, 10106-10115 (2009)
Dittmar, T.* ; Koch, B.* ; Hertkorn, N. ; Kattner, G.*
A simple and efficient method for the solid-phase extraction of dissolved organic matter (SPE-DOM) from seawater.
Limnol. Oceanogr. Methods 6, 230-235 (2008)
Haesler, F. ; Hagn, A. ; Frommberger, M. ; Hertkorn, N. ; Schmitt-Kopplin, P. ; Munch, J.-C. ; Schloter, M.
In vitro antagonism of an actinobacterial Kitasatospora isolate against the plant pathogen Phytophthora citricola as elucidated with ultrahigh resolution mass spectrometry.
J. Microbiol. Methods 75, 188-195 (2008)
Hertkorn, N. ; Frommberger, M. ; Witt, M.* ; Koch, B.P.* ; Schmitt-Kopplin, P. ; Perdue, E. M.*
Natural Organic Matter and the Event Horizon of Mass Spectrometry.
Anal. Chem. 80, 8908-8919 (2008)
Gáspár, A. ; Harir, M. ; Lucio, M. ; Hertkorn, N. ; Schmitt-Kopplin, P.
Targeted borate complex formation as followed with electrospray ionization Fourier transform ion cyclotron mass spectrometry: Monomolecular model system and polyborate formation.
Rapid Commun. Mass Spectrom. 22, 3119-3129 (2008)
Hertkorn, N. ; Ruecker, C.* ; Meringer, M.* ; Gugisch, R.* ; Frommberger, M. ; Perdue, E.M. ; Witt, M. ; Schmitt-Kopplin, P.
High-precision frequency measurements: Indispensable tools at the core of the molecular-level analysis of complex systems.
Anal. Bioanal. Chem. 389, 1311-1327 (2007)
Schmitt-Kopplin, P. ; Hertkorn, N. ; Frommberger, M. ; Lucio, M. ; Englmann, M. ; Fekete, A. ; Gebefügi, I.
Ion cyclotron resonance fourier transform mass spectrometry for non-targeted metabolomics of molecular interactuins in the rhizosphere.
In: Varma, A.* ; Oelmüller, R.* [Eds.]: Advances Techniques in Soil Microbiology. Berlin: Springer, 2007. 281-293 (Soil Biol. ; 11)
Einsiedl, F. ; Hertkorn, N. ; Wolf, M. ; Frommberger, M. ; Schmitt-Kopplin, P. ; Koch, B.P.*
Rapid biotic molecular transformation of fulvic acids in a karst aquifer.
Geochim. Cosmochim. Acta 71, 5474-5482 (2007)
Perdue, E.M.* ; Hertkorn, N. ; Kettrup, A.
Substitution patterns in aromatic rings by increment analysis: Model development and application to natural organic matter.
Anal. Chem. 79, 1010-1021 (2007)
Perdue, E.M.* ; Hertkorn, N. ; Kettrup, A.
The application of 113Cd NMR spectrometry to the study of cadmium complexation by natural organic matter.
Appl. Geochem. 22, 1612-1623 (2007)
Schmitt-Kopplin, P. ; Hertkorn, N.
Ultrahigh resolution mass spectrometry.
Anal. Bioanal. Chem. 389, 1309-1310 (2007)
Witt, M.* ; Schmitt-Kopplin, P. ; Frommberger, M. ; Hertkorn, N.
Analysis of Sawannee river fulvic acid by fourier transform ion cyclotron resonance mass spectrometry using complementary ionization techniques.
In: Frimmel, F.H.* ; Abbt-Braun, G.* [Eds.]: Humic substances - Linking structure to functions (13. Meeting of the International Humic Substances Society). Karlsruhe: Universität Karlsruhe (TH), 2006. 297-300 (Schriftenreihe des Lehrstuhls für Wasserwirtschaft und der DVGW-Forschungsstelle ; 45-1)
Hertkorn, N. ; Benner, R.* ; Frommberger, M. ; Schmitt-Kopplin, P. ; Witt, C.* ; Kaiser, K.* ; Kettrup, A. ; Hedges, J.I.*
Characterization of a major refractory component of marine dissolved organic matter.
Geochim. Cosmochim. Acta 70, 2990-3010 (2006)
Hertkorn, N. ; Benner, R.* ; Frommberger, M. ; Schmitt-Kopplin, P. ; Witt, M.* ; Kaiser, K.* ; Kettrup, A. ; Hedges, I.J.*
Characterization of a new and major refractory component of marine organic matter.
In: Kyriakopoulos, A.* [Eds.]: Proceedings (4. Fall Conference on Metalloproteins and Metalloidproteins, 24-25 November 2005, Berlin, Germany). München: Utz, 2006. 57-61
Hertkorn, N. ; Benner, R.* ; Frommberger, M. ; Schmitt-Kopplin, P. ; Witt, M.* ; Kaiser, K.* ; Kettrup, A. ; Hedges, I.J.*
Characterization of a new and major refractory component of marine organic matter.
In: Frimmel, F.H.* ; Abbt-Braun, G.* [Eds.]: Humic substances - Linking structure to function (13. Meeting of the International Humic Substances Society.). Karlsruhe: Universität Karlsruhe (TH), 2006. 309-312 (Schriftenreihe des Lehrstuhls für Wasserwirtschaft und der DVGW-Forschungsstelle ; 45-1)
Fekete, A. ; Hertkorn, N. ; Frommberger, M. ; Lahaniatis, M.R.* ; Kettrup, A.* ; Schmitt-Kopplin, P.
Development of a capillary electrophoresis mass spectrometry method for the determination of formaldehyde releasers as their hydrolysis products and amino alcohols from metal working fluids.
Electrophoresis 27, 2216-2224 (2006)
Hertkorn, N. ; Frommberger, M. ; Perdue, E.M.* ; Thaller, S. ; Holzmann, E. ; Schmitt-Kopplin, P.
Intrinsic and informative order in complex systems : Molecular level characterization of carboxyl-rich alicyclic molecules, a new and major refractory component of natural organic matter.
In: Frimmel, F.H.* ; Abbt-Braun, G.* [Eds.]: Humic substances - Linking structure to functions (13. Meeting of the International Humic Substances Society). Karlsruhe: Universität Karlsruhe (TH), 2006. 313-316 (Schriftenreihe des Lehrstuhls für Wasserwirtschaft und der DVGW-Forschungsstelle ; 45-1)
Dittmar, T.* ; Hertkorn, N. ; Kattner, G.* ; Lara, R.J.*
Mangroves, a major source of dissolved organic carbon of the oceans.
Global Biogeochem. Cycles 20, GB1012 (1-7) (2006)
Kovalenko, A.N.* ; Ilyukhina, E.A.* ; Perminova, I.V.* ; Ponomarenko, S.A.* ; Hertkorn, N. ; Petrosyan, V.S.*
Synthesis of cross-linked humic substances using phenol-formaldehyde polycondensation.
In: Frimmel, F.H.* ; Abbt-Braun, G.* [Eds.]: Humic Substances - Linking Structure to Functions (13. Meeting of the International Humic Substances Society). Karlsruhe: Lehrstuhl für Wasserchemie und DVGW-Forschungsstelle am Engler-Bunte-Institut der Universität Karlsruhe (TH), 2006. 273-276 (Schriftenreihe des Lehrstuhls für Wasserchemie und der DVGW-Forschungsstelle am Engler-Bunte-Institut ; 45-1)
Frommberger, M. ; Hertkorn, N. ; Englmann, M. ; Jakoby, S. ; Hartmann, A. ; Kettrup, A. ; Schmitt-Kopplin, P.
Analysis of N-acylhomoserine lactones after alkaline hydrolysis and anion-exchange solid-phase extraction by capillary zone electrophoresis-mass spectrometry.
Electrophoresis 26, 1523-1532 (2005)
Perminova, I.V.* ; Kovalenko, A.A.* ; Schmitt-Kopplin, P. ; Hatfield, K.* ; Hertkorn, N. ; Belyaeva, E.Y.* ; Petrosyan, V.S.*
Design of quinonoid-enriched humic materials with enhanced rediox properties.
Environ. Sci. Technol. 39, 8518-8524 (2005)
Kaffarnik, F. ; Heller, W. ; Hertkorn, N. ; Sandermann, H.
Flavonol 3-O-glycoside hydroxycinnamoyltransferases from Scots pine (Pinus sylvestris L.).
FEBS J. 272, 1415-1424 (2005)
Hertkorn, N. ; Kettrup, A.
Molecular level structural analysis of natural organic matter and of humic substances by multinuclear and higher dimensional NMR spectroscopy.
In: Perminova, I.V.* ; Hatfield, K.* ; Hertkorn, N.* [Eds.]: Use of humic substances to remediate polluted environments: From theory to practice (NATO Advanced Research Workshop). Dordrecht: Springer, 2005. 391-435 (NATO Science Series IV: Earth and Environmental Sciences ; 52)
Perminova, I.V.* ; Hatfield, K.* ; Hertkorn, N.
Use of humic substances to remediate polluted environments : from theory to practice. Proceedings of the NATO Advanced Research Workshop. Zvenigorod, Russia, 23.09.-29.09. 2002.
Dordrecht: Springer, 2005. 501 S. (NATO Science Series / IV. Earth and Environmental Sciences ; Vol. 52)
Hertkorn, N. ; Perdue, E.M.* ; Kettrup, A.
A potentiometric and 113Cd NMR study of cadmium complexation by natural organic matter at two different magnetic field strengths.
Anal. Chem. 76, 6327-6341 (2004)
Hertkorn, N. ; Schmitt-Kopplin, P. ; Junkers, J. ; Kettrup, A.
Die strukturchemische Charakterisierung von natürlicher organischer Materie und Huminstoffen mittels NMR-Spektroskopie und CE/MS.
GIT Fachz. Lab. 5, 487-491 (2004)
Lenoir, D. ; Hertkorn, N. ; Chiappe, C.*
Synthesis and characterization of the syn-bromonium ion of 4-equ chloroadamantylidenadamantane, towards a chiral bromination reagent.
Tetrahedron Lett. 45, 3003-3005 (2004)
Schäfer, T.* ; Hertkorn, N. ; Artinger, R.* ; Claret, F.* ; Bauer, A.
Functional croup analysis of natural organic colloids and clay association kinetics using C(1s) spectromicroscopy.
J. Phys. IV Colloq. 104, 409-412 (2003)
Ping, G. ; Schmitt-Kopplin, P. ; Hertkorn, N. ; Zhang, W.* ; Zhang, Y.* ; Kettrup, A.
Separation of selected humic degradation compounds by capillary electrochromatography with monolithic and packed columns.
Electrophoresis 24, 958-969 (2003)
Schmitt-Kopplin, P. ; Hertkorn, N. ; Kettrup, A. ; Junkers, J. ; Ping, G.* ; Zhang, Y.* ; Perdue, M.* ; Chen, Y.*
Capillary Zone Electrophoresis - Electrospray Ionization / Mass Spectrometry (CZEESI/MS) of Natural Organic Matter (NOM).
In: Proceedings (11th IHSS Conference: Humic Substances: Nature's Most Versatile Materials, Boston, Massachusetts, USA). International Humic Substances Society, 2002. 179-181
Hertkorn, N. ; Permin, A.* ; Perminova, I.* ; Kovalewskii, D.* ; Yudov, M.* ; Petrosyan, V.* ; Kettrup, A.
Comparative Analysis of Partial Structures of a Peat Humic and Fulvic Acid Using One- and Two-Dimensional Nuclear Magnetic Resonance Spectroscopy.
J. Environ. Qual. 31, 375-387 (2002)
Oelgemöller, M.* ; Brem, B.* ; Frank, R. ; Schneider, S.* ; Lenoir, D. ; Hertkorn, N. ; Origane, Y.* ; Lemmen, P.* ; Lex, J.* ; Inoue, Y.*
Cyclic trans-stilbenes : Synthesis, Structural and Spectroscopic Characterization, Photophysical and Photochemical Properties.
J. Chem. Soc. Perkin Trans. 2, 1760-1771 (2002)
Hertkorn, N. ; Günzl, A. ; Freitag, D. ; Kettrup, A.
Nuclear Magnetic Resonance Spectroscopy Investigations of Silylated Refractory Organic Substances.
In: Frimmel, F.H.* [Eds.]: Refractory Organic Substances in the Environment. Weinheim: Wiley, 2002. 129-145
Hertkorn, N. ; Perminova, I.* ; Kovalevskii, D.* ; Kettrup, A.
Proton Homonuclear Two-Dimensional NMR Spectroscopy of Humic Substances with Extreme Resolution and Sensitivity.
In: Proceedings (11th IHSS Conference: Humic Substances: Nature's Most Versatile Materials, Boston, Massachusetts, USA). International Humic Substances Society, 2002. 380-382
Hertkorn, N. ; Claus, H.* ; Schmitt-Kopplin, P. ; Perdue, E.M.* ; Filip, Z.K.*
Utilization and transformation of aquatic humic substances by autochthonous microorganisms.
Environ. Sci. Technol. 36, 4334-4345 (2002)
Sandermann, H. ; Hertkorn, N. ; May, R.G. ; Lange, B.M.*
Bound Pesticidal Residues in Crop Plants : Chemistry, Bioavailability and Toxicology.
In: Hall, J.C.* ; Hoagland, R.E.* ; Zablotowicz, R.M.* [Eds.]: Pesticide Biotransformation in Plants and Microorganisms Similarities and Divergences. 2001. 119-128 (ACS Symp. Series ; 777)
Steinberg, C.E.W.* ; Hoppe, A. ; Jüttner, I.* ; Bruckmeier, B.* ; Hertkorn, N.
Changes of Humic Substance Constituents in Großer Arbersee during Acidification.
Clean-Soil Air Water 29, 78-87 (2001)
Latunde-Dada, A.O.* ; Cabello-Hurtado, F.* ; Czittrich, N.* ; Didierjean, L.* ; Schopfer, Ch.* ; Hertkorn, N. ; Werck-Reichhart, D.* ; Ebel, J.*
Flavonoid 6-Hydroxylase from Soybean (Glycine max L.), a Novel Plant P-450 Monooxygenase.
J. Biol. Chem. 276, 1688-1695 (2001)
Rehmann, K. ; Hertkorn, N. ; Kettrup, A.
Fluoranthene metabolism in Mycobacterium sp. strain KR20 : Identity of pathway intermediates during degradation and growth.
Microbiology 147, 2783-2794 (2001)
Bors, W. ; Foo, L.Y.* ; Hertkorn, N. ; Michel, C. ; Stettmaier, K.
Forum Original Research Communication : Chemical Studies of Proanthocyanidins and Hydrolyzable Tannins.
Antioxid. Redox Signal. 3, 995-1008 (2001)
Schmitt-Kopplin, P. ; Garmash, A.V.* ; Kudryavtsev, A.V.* ; Menzinger, F. ; Perminova, I.V.* ; Hertkorn, N. ; Freitag, D. ; Petrosyan, V.S.* ; Kettrup, A.
Quantitative and qualitative precision improvements by effective mobility-scale data transformation in capillary electrophoresis analysis.
Electrophoresis 22, 77-87 (2001)
Lalah, J.O.* ; Schramm, K.-W. ; Lenoir, D. ; Henkelmann, B. ; Hertkorn, N. ; Matuschek, G. ; Kettrup, A. ; Günther, K.*
Regioselective Synthesis of a Branched Isomer of Nonylphenol, 4-(3',6'-Dimethyl-3'-heptyl)phenol and Determination of its Important Environmental Properties.
Chem. Eur. J. 7, 4790-4795 (2001)
Lalah, J.O.* ; Lenoir, D. ; Henkelmann, B. ; Hertkorn, N. ; Günther, K.* ; Schramm, K.-W. ; Kettrup, A.
Synthesis of ring-14C-labelled 4(3'-,6'-dimethyl-3'-heptyl)-phenol.
J. Labelled Comp. Radiopharm. 44, 459-463 (2001)
Hertkorn, N. ; Schmitt-Kopplin, P. ; Perminova, I.V.* ; Kovalewski, D.* ; Kettrup, A.
Two dimensional NMR Spectroscopy of Humic Substances.
In: Swift, R.S.* ; Spark, K.M.* [Eds.]: Understanding and Managing Organic Matter in Soils, Sediments and Waters (9th International Conference of the International Humic Substances Society, 21-25 September 1998, Adelaide, Australia). Adelaide, Australia : Hyde Park Press, 2001. 149-158
Hertkorn, N. ; Günzl, A. ; Freitag, D. ; Kettrup, A.
Two-dimensional NMR investigations of silylated humic substances.
In: Swift, R.S.* ; Spark, K.M.* [Eds.]: Understanding and Managing Organic Matter in Soils, Sediments and Waters (9th International Meeting of the Inrernational Humic Substances Society, 21-25 September 1998, Adelaide, Australia). Adelaide, Australia : Hyde Park Press, 2001. 159-164
Schmitt-Kopplin, P. ; Freitag, D. ; Kettrup, A. ; Hertkorn, N. ; Schoen, U.* ; Klöcking, R.* ; Helbig, B.* ; Andreux, F.* ; Garrison, A.W.*
Analysis of synthetic humic substances for medical and environmental applications by capillary zone electrophoreses.
Analysis 27, 390-396 (1999)
Rehmann, K. ; Hertkorn, N. ; Kettrup, A.
Bacterial fluoranthene degradation : Indication for a novel degredation pathway.
In: Fass, R.* [Eds.]: Novel approaches for bioremediation of organic pollution. New York : Kluwer Academic, 1999. 39-45 ( ; 5)
Achatz, S. ; Lörinci, G. ; Hertkorn, N. ; Gebefügi, I. ; Kettrup, A.
Disturbance of the determination of aldehydes and ketones: Structural elucidation of degradation products derived from the reaction of 2,4-dinitrophenylhydrazine (DNPH) with ozone.
Fresen. J. Anal. Chem. 364, 141-146 (1999)
Gläßgen, W.E. ; Komoßa, D. ; Bohnenkämper, O. ; Haas, M. ; Hertkorn, N. ; May, R.G. ; Szymczak, W. ; Sandermann, H.
Metabolism of the herbicide isoproturon in wheat and soybean cell suspension cultures.
Pestic. Biochem. Physiol. 63, 97-113 (1999)
Schmitt-Kopplin, P. ; Hertkorn, N. ; Freitag, D. ; Kettrup, A. ; Garmash, A.V.* ; Kudryavtsev, A.V.* ; Perminova, I.* ; Petrosyan, V.S.*
Mobility Distribution of synthetic and Natural Polyelectrolytes with Capillary Zone Electrophoresis.
J. AOAC Int. 82, 1594-1603 (1999)
Simon, R. ; Hertkorn, N. ; Georgieva, K.* ; Freitag, D. ; Kettrup, A.
Photodegradation of arylamino-s-triazines in aqueous phase.
Adv. Environ. Res. 3, 378-388 (1999)
Fischbach, R.J.* ; Kossmann, B.* ; Panten, H.* ; Steinbrecher, R.* ; Heller, W. ; Seidlitz, H.K. ; Sandermann, H. ; Hertkorn, N. ; Schnitzler, J.-P.*
Seasonal accumulation of ultraviolet-B screening pigments in needles of Norway spruce (Picea abies ( L.) Karst.).
Plant Cell Environ. 22, 27-37 (1999)
Klotz, D. ; Seiler, K.-P. ; Wolf, M. ; Hertkorn, N. ; Schimmack, W.
Migration von gelösten Huminstoffen in verschieden gekörnten Sedimenten.
In:. 1998. 21-24
Schülein, J. ; Gläßgen, W.E. ; Hertkorn, N. ; Schröder, P. ; Sandermann, H. ; Kettrup, A.
Detection and identification of the herbicide isoproturon and its metabolites in field samples after a heavy rainfall event.
Int. J. Environ. Anal. Chem. 65, 193-202 (1996)
Steinberg, C.E.W. ; Sturm, A. ; Kelbel, J. ; Lee, S.K. ; Hertkorn, N. ; Freitag, D. ; Kettrup, A.
Changes in Acute Toxicity of Organic Chemicals to Daphnia magna in the Presence of Dissolved Humic Material (DHM).
Clean-Soil Air Water 20, 326-332 (1992)
Fritz, M. ; Hiermeier, J. ; Hertkorn, N. ; Köhler, F.H. ; Müller, G. ; Reber, G. ; Steigelmann, O.
Fusing Cyclopentadiene and Ferrocene by Two Silyl Bridges Stereochemically Well-Defined Building Blocks for High-Nuclear Metallocenes.
Chem. Ber. 124, 1531-1539 (1991)