Personalliste Details

[Zurück]

Univ.-Prof. Dipl.-Geol. Dr. Stephan Krämer

T: +43-1-4277-53463

stephan.kraemer@univie.ac.at

Wintersemester 2019

280071 PR MA-ERD-9 Umweltchemische Modellierung (PI)

280210 VO Introduction to Environmental Sciences (NPI)

280211 SE Seminar Environmental Sciences (PI)

280212 VU PF1 Environmental Geochemistry (PI)

280217 SE Master Seminar Environmental Sciences

280220 VU WS Environmental Chemistry of Bio-Mineral Interactions (PI)

450003 SE Topics in Environmental Geosciences and Geoecology

Sommersemester 2019

280032 VU BA_ERD_26 Einführung Hydrochemie und Umweltgeochemie (PI)

280103 PR MA-ERD-17.19 Biogeochemisches Praktikum (PI)

280214 VU PF1 Environmental Interface geochemistry (PI)

280224 VU PF4 Biogeochemical element cycles (PI)

280235 UE PIK2 Advanced Modelling in Environmental Geochemistry (PI)

280239 SE PIK3 Master Seminar Environmental Sciences

300048 PP Schwermetallstress: Ökologie von Organismen - Ökologie von Organismen auf Schwermetallstandorten: Mechanismen der Stressbewältigung

450003 SE Topics in Environmental Geosciences and Geoecology

Wintersemester 2018

280070 VU MA-ERD-9 Environmental Chemistry and Biogeochemistry (PI)

280071 PR MA-ERD-9 Umweltchemische Modellierung (PI)

280210 VO Introduction to Environmental Sciences (NPI)

280211 SE Seminar Environmental Sciences (PI)

280212 VU PF1 Environmental Geochemistry (PI)

280217 SE Master Seminar Environmental Sciences

280220 VU WS Environmental Chemistry of Bio-Mineral Interactions (PI)

450003 SE Topics in Environmental Geosciences

Biswakarma, J, Kang, K, Borowski, S, Schenkeveld, W, Krämer, S, Hering, J & Hug, S 2018, 'Fe(II)-Catalyzed Ligand-Controlled Dissolution of Iron(hydr)oxides', Environmental Science and Technology, Jg. 53, Nr. 1, S. 88-97. https://doi.org/10.1021/acs.est.8b03910

Krämer, S & Schenkeveld, W 2018, 'Constraints to Synergistic Fe Mobilization from Calcareous Soil by a Phytosiderophore and a Reductant', Soil Systems, Jg. 2, Nr. 4, S. 67. https://doi.org/10.3390/soilsystems2040067

Kang, K, Schenkeveld, W, Biswakarma, J, Borowski, S, Hug, S, Hering, J & Krämer, S 2018, 'Low Fe(II) Concentrations Catalyze the Dissolution of Various Fe(III) (hydr)oxide Minerals in the Presence of Diverse Ligands and over a Broad pH Range', Environmental Science and Technology, Jg. 53, Nr. 1, S. 98-107. https://doi.org/10.1021/acs.est.8b03909

Krämer, S 2018, 'Reductive and ligand controlled iron (hydr)oxide dissolution mechanisms in the context of biological iron acquisition' Beitrag in, Lech, Österreich, 29/07/18 - 3/08/18, .

Reyes, C , Hodgskiss, L , Kerou, M, Pribasnig, T, Bayer, B, Schleper, C & Krämer, S 2018, 'How the Ammonia Oxidizing Archaeon Nitrososphaera Viennensis Responds to Copper Limitation', Boston, USA / Vereinigte Staaten, 12/08/18 - 17/08/18, .

Brocza, FM, Wiederhold, JG, Biester, H, Krämer, S, Richard, J-H & Mishra, B 2018, 'Mercury speciation at a former wood preservation site' Beitrag in, Krakov, Polen, 22/07/18 - 27/07/18, .

Brocza, FM, Biester, H, Mishra, B, Richard, J-H, Krämer, S & Wiederhold, JG 2018, 'Terrestrial Biogeochemistry of Hg at a Wood Preservation Site', Honolulu, USA / Vereinigte Staaten, 3/06/18 - 8/06/18, .

Borowski, S, Biswakarma, J, Kang, K, Schenkeveld, W, Hering, J, Kubicki, J, Krämer, S & Hug, S 2018, 'Structure and reactivity of oxalate surface complexes on lepidocrocite derived from infrared spectroscopy, DFT-calculations, adsorption, dissolution and photochemical experiments', Geochimica et Cosmochimica Acta.

Rushworth, D , Reyes, C, STEINLE, LEA, Schenkeveld, W, LEHMANN, MORITZF & Krämer, S 2018, 'Laboratory investigations of copper acquisition – an important cofactor in methane oxidation', Vienna, Österreich, 8/04/18 - 13/04/18, .

Reyes, C , Schleper, C, Bayer, B & Krämer, S 2018, 'The Effect of Copper Limitation on the archaeon Nitrososphaera viennensis', Vienna, Österreich, 8/04/18 - 13/04/18, .

Chardi, K , Krämer, S, Schenkeveld, W & Giammar, D 2018, 'Laboratory Simulation of a Uranium Roll-Front in a Freshwater Aquifer', Ascona, Schweiz, 21/10/18 - 26/10/18, .

Brocza, FM, Biester, H, Richard, J-H, Krämer, S & Wiederhold, JG 2017, 'Tracing Hg transformations in contaminated soil using Hg isotopes', Vienna, Österreich, 24/11/17 - 25/11/17, .

Wiederhold, JG, Brocza, FM, Grigg, A & Krämer, S 2017, 'Tracing sources and fate of mercury in soils and groundwater at industrial contamination sites with stable mercury isotopes' Beitrag in, Vienna, Österreich, 24/11/17 - 25/11/17, .

Schiessl, KT, Janssen, EM-L, Krämer, S, McNeill, K & Ackermann, M 2017, 'Magnitude and Mechanism of Siderophore-Mediated Competition at Low Iron Solubility in the Pseudomonas aeruginosa Pyochelin System', Frontiers in Microbiology, Jg. 8, 1964. https://doi.org/10.3389/fmicb.2017.01964

Brocza, FM, Biester, H, Richard, J-H, Krämer, S & Wiederhold, JG 2017, 'Tracing Hg transformations in contaminated soil using Hg isotopes' Goldschmidt Conference 2017, Paris, Frankreich, 13/08/17 - 18/08/17, .

Kubicki, JD, Tunega, D & Krämer, S 2017, 'A density functional theory investigation of oxalate and Fe(II) adsorption onto the (010) goethite surface with implications for ligand- and reduction-promoted dissolution', Chemical Geology, Jg. 464, S. 14-22. https://doi.org/10.1016/j.chemgeo.2016.08.010

Wiederhold, JG, Brocza, FM, Biester, H, Richard, J-H & Krämer, S 2017, 'Mercury speciation and isotope signatures in soils and groundwater at a HgCl2 contaminated site - evidence for fractionation processes during species transformations controlling Hg mobility.' Beitrag in, Providence, USA / Vereinigte Staaten, 16/07/17 - 21/07/17, .

Brocza, FM, Biester, H, Richard, J-H, Krämer, S & Wiederhold, JG 2017, 'Tracing mercury transformations in a contaminated soil-aquifer system using Hg isotope signatures', Ascona, Schweiz, 9/07/17 - 14/07/17, .

Puschenreiter, M, Gruber, B, Wenzel, WW, Schindlegger, Y, Hann, S, Spangl, B, Schenkeveld, WDC, Kraemer, SM & Oburger, E 2017, 'Phytosiderophore-induced mobilization and uptake of Cd, Cu, Fe, Ni, Pb and Zn by wheat plants grown on metal-enriched soils', Environmental and Experimental Botany, Jg. 138, S. 67-76. https://doi.org/10.1016/j.envexpbot.2017.03.011

Kang, K, Biswakarma, J, Borowski, S, Hug, S, Hering, J, Schenkeveld, W & Krämer, S 2017, 'Ligand-controlled Fe mobilization catalyzed by adsorbed Fe(II) on Fe(hydr)oxides' EGU General Assembly 2017, Vienna, Österreich, 23/04/17 - 28/04/17, .

Ottman, M, Schenkeveld, W & Krämer, S 2017, 'Predicting subsurface uranium transport: Mechanistic modeling constrained by experimental data'.

Walter, M, Krämer, S & Schenkeveld, W 2017, 'The effect of pH, electrolytes and temperature on the rhizosphere geochemistry of phytosiderophores', Plant and soil. https://doi.org/10.1007/s11104-017-3226-9

Schenkeveld, W, Kimber, R, Walter, M, Oburger, E, Puschenreiter, M & Krämer, S 2017, 'Experimental considerations in metal mobilization from soil by chelating ligands: The influence of soil-solution ratio and pre-equilibration –A case study on Fe acquisition by phytosiderophores', Science of the Total Environment, Jg. 579, S. 1831-1842. https://doi.org/10.1016/j.scitotenv.2016.11.168

Rushworth, DD , Reyes, C, STEINLE, LEA, Schenkeveld, W, LEHMANN, MORITZF & Krämer, S 2017, 'Laboratory and field investigations of methanotrophic copper acquisition' Goldschmidt Conference 2017, Paris, Frankreich, 13/08/17 - 18/08/17, S. 1.

Rushworth, DD , Reyes, C, STEINLE, LEA, Schenkeveld, W, LEHMANN, MORITZF, Schleper, C & Krämer, S 2017, 'Laboratory investigations of copper acquisition by the aerobic methanotroph Methylosinus trichosporium OB3b and the ammonia oxidizing archaeon Nitrososphaera viennensis' 5th International Conference on Nitrification (ICON5), Vienna, Österreich, 23/07/17 - 27/07/17, .

Walter, M, Schenkeveld, W, Reissner, M, Gille, L & Krämer, S 2016, 'Understanding the radical forming potential (RFP) of pristine and (environmentally) altered asbestos fibers' Advanced Lecture Course on Redox Regulation of Metabolic Processes, Spetses, Griechenland, 19/09/16 - 25/09/16, .

Walter, M, Schenkeveld, W, Gille, L, Reissner, M & Krämer, S 2016, 'Dissolution of chrysotile asbestos and its implications on the fibers' iron surface speciation and radical forming potential: A complementary ICP-OES, EPR and 57Fe Mössbauer study' International Symposium on the Industrial Applications of the Mössbauer Effect, Cape Town, Südafrika, 4/09/16 - 8/09/16, .

Oburger, E, Gruber, B, Wanek, W, Watzinger, A, Stanetty, C, Schindlegger, Y, Hann, S, Schenkeveld, WDC, Kraemer, S & Puschenreiter, M 2016, 'Microbial decomposition of ¹³C- labeled phytosiderophores in the rhizosphere of wheat: Mineralization dynamics and key microbial groups involved', Soil Biology and Biochemistry, Jg. 98, S. 196-207. https://doi.org/10.1016/j.soilbio.2016.04.014

Schenkeveld, WDC, Wang, Z, Giammar, DE & Krämer, S 2016, 'Synergistic Effects between Biogenic Ligands and a Reductant in Fe Acquisition from Calcareous Soil', Environmental Science & Technology (Washington), Jg. 50, Nr. 12, S. 6381-6388. https://doi.org/10.1021/acs.est.6b01623

Walter, M, Krämer, S & Schenkeveld, W 2016, 'The effect of rhizosphere variables on the geochemistry of phytosiderophores' International Symposium on Iron Nutrition and Interactions in Plants, Madrid, Spanien, 30/06/15 - 3/07/15, .

Walter, M, Schenkeveld, W & Krämer, S 2016, 'Wie kommt Asbest wieder aus dem verseuchten Erdboden?' Heureka!, Jg. 2/16.

Walter, M, Schenkeveld, W & Krämer, S 2016, 'Sauerampfer und Lupinen gegen Asbest' Die Presse.

Walter, M, Oburger, E, Schindlegger, Y, Hann, S, Puschenreiter, M, Krämer, S & Schenkeveld, W 2016, 'Retention of phytosiderophores by the soil solid phase - adsorption and desorption', Plant and soil. https://doi.org/10.1007/s11104-016-2800-x

Walter, M, Schenkeveld, W & Krämer, S 2015, 'Mit Pflanzen gegen Asbest in Böden' uni:view.

Wiederhold, JG & Krämer, S 2015, 'Mass-dependent and mass-independent fractionation of stable Hg isotopes as two-dimensional tracer for mercury cycling in the environment' Beitrag in, Tulln, Österreich, 26/11/15 - 27/11/15, .

Walter, M, Schenkeveld, W & Krämer, S 2015, 'Quantifying the radical forming potential of environmentally weathered asbestos fibers by means of EPR spectroscopy', Berlin, Deutschland, 24/08/15 - 31/08/15, .

S, B, Kubicki, J, Krämer, S & Hug, SJ 2015, 'Structures of carboxylates on iron(hydr)oxide surfaces studied with FTIR and DFT calculations', Prague, Tschechische Republik, 16/08/15 - 21/08/15, .

Krämer, S, Duckworth, O, Harrington, JM & Schenkeveld, W 2015, 'Metallophores and Trace Metal Biogeochemistry', Aquatic Geochemistry, Jg. 21, Nr. 2-4, S. 159-195. https://doi.org/10.1007/s10498-014-9246-7

Schenkeveld, W & Krämer, S 2015, 'Equilibrium and kinetic modelling of the dynamic rhizosphere', Plant and Soil: international journal on plant-soil relationships, Jg. 386, Nr. 1, S. 395-397. https://doi.org/10.1007/s11104-014-2318-z

Smrzka, D , Krämer, S, Zwicker, J, Birgel-Rennebeck, D, Fischer, D, Goedert, JL & Peckmann, JL 2015, 'Constraining silica diagenesis in methane-seep deposits', Palaeogeography, Palaeoclimatology, Palaeoecology, S. 13-26.

Wang, Z, Schenkeveld, W, Krämer, S, Giammar, D & Dobeiner-Madaras, E-M 2015, 'Synergistic effect of reductive and ligand controlled dissolution of goethite', Environmental Science & Technology (Washington), Jg. 49, Nr. 12.

Smrzka, D , Krämer, S, Zwicker, J, Birgel-Rennebeck, D, Fischer, D, Kasten, S, Goedert, JL & Peckmann, JL 2014, 'Constraining silica diagenesis in methane-seep deposits' IAS 19th International Sedimentological Congress, Genf, Schweiz, 18/08/14 - 22/08/14, .

Schenkeveld, W, Oburger, E, Schindlegger, Y, Puschenreiter, M, Hann, S & Krämer, S 2014, Biogeochemistry of Fe acquisition by phytosiderophores in the rhizosphere. in World Conference of Soil Science (WCSS). Jeju, South Korea.

Schindlegger, Y, Oburger, E, Gruber, B, Schenkeveld, WDC, Krämer, S, Puschenreiter, M, Koellensperger, G & Hann, S 2014, 'Accurate LC-ESI-MS/MS quantification of 2-deoxymugineic acid in soil and root related samples employing porous graphitic carbon as stationary phase and a C-13(4)-labeled internal standard', Electrophoresis, Jg. 35, Nr. 9, S. 1375-1385. https://doi.org/10.1002/elps.201300551

Schenkeveld, W, Oburger, E, Gruber, B, Schindlegger, Y, Puschenreiter, M, Hann, S & Krämer, S 2014, A window of Fe uptake in strategy II acquisition: a conceptual model for the rhizosphere geochemistry of phytosiderophores. in International Symposium on Iron Nutrition in Plants (ISINIP) 2014. International Symposium on Iron Nutrition in Plants (ISINIP), Gatersleben, Deutschland, 6/07/14.

Schenkeveld, W, Schindlegger, Y, Oburger, E, Puschenreiter, M, Hann, S & Krämer, S 2014, 'Geochemical Processes Constraining Iron Uptake in Strategy II Fe Acquisition', Environmental Science & Technology (Washington), Jg. 48, S. 12662.

Schenkeveld, W, Oburger, E, Gruber, B, Schindlegger, Y, Hann, S, Puschenreiter, M & Krämer, S 2014, 'Metal mobilization from soils by phytosiderophores - experiment and equilibrium modeling', Plant and Soil: international journal on plant-soil relationships, Jg. 383, S. 59-71.

Oburger, E, Gruber, B, Schindlegger, Y, Schenkeveld, W, Hann, S, Krämer, S, Wenzel, WW & Puschenreiter, M 2014, 'Root exudation of phytosiderophores from soil grown wheat', New Phytologist, Jg. 203, S. 1161.

Neubauer, E, Schenkeveld, W, Plathe, K, Rentenberger, C , von der Kammer, F , Krämer, S & Hofmann, T 2013, 'The influence of pH on iron speciation in podzol extracts: Iron complexes with natural organic matter, and iron mineral nanoparticles', Science of the Total Environment, Jg. 461-462, S. 108-116. https://doi.org/10.1016/j.scitotenv.2013.04.076

Schenkeveld, W, Oburger, E, Schindlegger, Y, Puschenreiter, M, Hann, S & Krämer, S 2013, Biogeochemistry of phytosiderophores in the rhizosphere. in Monte Verita Workshop : Iron Biogeochemistry: From Molecular Processes to Global Cycles. Ascona, Schweiz.

Pesch, M-L, Christl, I, Hoffmann, M, Krämer, S & Kretzschmar, R 2013, 'Competitive ligand exchange between Cu-humic acid complexes and methanobactin', Geobiology, Jg. 11, Nr. 1, S. 44-54.

Dell'mour, M, Schenkeveld, W, Oburger, E, Fischer, L, Krämer, S, Puschenreiter, M, Lämmerhofer, M, Köllensperger, G & Hann, S 2012, 'Analysis of iron-phytosiderophore complexes in soil related samples: LC-ESI-MS/MS versus CE-MS', Electrophoresis, Jg. 33, Nr. 4 SI, S. 726-733. https://doi.org/10.1002/elps.201100466

Krämer, S 2012, 'Copper complexation of methanobactin isolated from Methylosinus trichosporium OB3b: pH-dependent speciation and modeling.', Journal of Inorganic Biochemistry, Jg. 116, S. 55-62.

Neubauer, E, Schenkeveld, W, von der Kammer, F , Krämer, S & Hofmann, T 2012, Influence of pH on mobilization and formation of iron-dominated colloids in podzol. in Tagungsband EGU General Assembly 2012. Unknown publisher.

Neubauer, E, Schenkeveld, W, von der Kammer, F , Krämer, S & Hofmann, T 2012, 'Influence of pH on mobilization and formation of iron-dominated colloids in podzol' European Geosciences Union, General Assembly 2012, Wien, Österreich, 22/04/12 - 27/04/12, .

Krämer, S, Yoon, S, Semrau, J & DiSpirito, A 2011, 'A simple assay for screening microorganisms for chalkophore production', Methods in Enzymology, Jg. 495, S. 247-258.

Krämer, S, Pesch, M-L, Kretzschmar, R & Christl, I 2011, 'Competitive ligand exchange between Cu-humate complexes and methanobactin', Mineralogical Magazine, Jg. 75, S. 1625-1625.

Krämer, S 2011, 'Copper', Encyclopedia of Earth Sciences Series, Jg. 1, Nr. 1, S. 290-291.

Krämer, S, Kiczka, M, Wiederhold, J, Kretzschmar, R, Voegelin, A, Bourdon, B & Frommer, J 2011, 'Iron speciation and isotope fractionation during silicate weathering and soil formation in an alpine glacier forefield chronosequence', Geochimica et Cosmochimica Acta, Jg. 75, S. 5559-5573.

Sánchez-Alcalá, I, del Campillo, MC, Torrent, J, Straub, KL & Krämer, S 2011, 'Iron(III) reduction in anaerobically incubated suspensions of highly calcareous agricultural soils', Soil Science Society of America Journal.

Krämer, S, Pesch, M-L, Kretzschmar, R, Barmettler, K & Christl, I 2011, 'Isolation and purification of Cu-free methanobactin from Methylosinus trichosporium OB3b', Geochemical Transactions, Jg. 12, Nr. 2.

Sánchez-Alcalá, I, Straub, KL, del Campillo, MC, Krämer, S & Torrent, J 2011, 'Microbial Fe(III)-reduction in highly calcareous agricultural soils', Mineralogical Magazine, Jg. 75, Nr. 3, S. 1789. https://doi.org/10.1180/minmag-2011-21

Krämer, S 2011, 'Siderophores', Encyclopedia of Earth Sciences Series, Jg. 1, Nr. 1, S. 793-795.

Neubauer, E, von der Kammer, F , Krämer, S & Hofmann, T 2011, 'Size dependent element interaction and speciation in environmental nanoparticles', Mineralogical Magazine, Jg. 75, Nr. 3, S. 1533-1533.

Krämer, S, Schenkeveld, W, Oburger, E, Dell'mour, M, Puschenreiter, M, Walter, M, Hann, S & Stanetty, C 2011, 'The biogeochemistry of phytosiderophores in the rhizosphere in relation to Fe uptake', Mineralogical Magazine, Jg. 75, S. 1812-1812.

Yoon, S, Krämer, S, DiSpirito, A & Semrau, J 2010, 'An assay for screening microbial cultures for chalkophore production', Environmental Microbiology, Jg. 2, Nr. 2, S. 295-303.

Hofmann, T , von der Kammer, F, Neubauer, E & Krämer, S 2010, Influence of sunlight on trace metals carried by natural nanoparticles: insights from the application of different size separation techniques. in Environmental Effects of Nanoparticles and Nanomaterials: 2010, Konferenz, Clemson. Unknown publisher, 5th Annual International Conference on Environmental Effects of Nanoparticles and Nanomaterials, Clemson, USA / Vereinigte Staaten, 22/08/10.

von der Kammer, F , Hofmann, T, Neubauer, E & Krämer, S 2010, 'Influence of sunlight on trace metals carried by natural nanoparticles: insights from the application of different size separation techniques' 5th Annual International Conference on Environmental Effects of Nanoparticles and Nanomaterials, Clemson, USA / Vereinigte Staaten, 22/08/10 - 26/08/10, .

Kiczka, M, Wiederhold, J, Krämer, S, Bourdon, B & Kretzschmar, R 2010, 'Iron Isotope Fractionation during Fe Uptake and Translocation in Alpine Plants', Environmental Science & Technology (Washington), Jg. 44, Nr. 16, S. 6144-6150.

Kiczka, M, Wiederhold, J, Frommer, J, Krämer, S, Bourdon, B & Kretzschmar, R 2010, 'Iron isotope fractionation during proton- and ligand-promoted dissolution of primary phyllosilicates', Geochimica et Cosmochimica Acta, Jg. 74, Nr. 11, S. 3112-3128.

Krämer, S, Kretzschmar, R & Carrasco, N 2009, 'Adsorption of hydroxamate siderophores and EDTA on goethite in the presence of the surfactant sodium dodecyl sulfate', Geochemical Transactions, Jg. 10, Nr. 5. https://doi.org/10.1186/1467-4866-10-5

Krämer, S, Borer, P, Kretzschmar, R, Sulzberger, B & Hug, SJ 2009, 'ATR-FTIR spectroscopic study of the adsorption of desferrioxamine B and aero-bactin to the surface of lepidocrocite (gamma-FeOOH)', Geochimica et Cosmochimica Acta, Jg. 73, S. 4661-4672.

Krämer, S, Kiczka, M, Kretzschmar, R, Bourdon, B & Wiederhold, J 2009, 'Fe isotope fractionation during phyllosilicate dissolution: Effect of protons, ligands and K concentration', Geochimica et Cosmochimica Acta, Jg. 73, Nr. 13.

Krämer, S, Lemanceau, P, Bauer, P & Briat, J-F 2009, 'Iron dynamics in the rhizosphere as a case study for analyzing interactions between soils, plants and microbes.', Plant and Soil: international journal on plant-soil relationships, Jg. 321, S. 513-535.

Sánchez-Alcalá, I, Straub, KL, del Campillo, MC, Krämer, S & Torrent, J 2009, Microbial reduction of Fe-bearing minerals in calcareous soils. in FA Podosek (Hrsg.), Awards Ceremony Speeches and Abstracts of the 19th Annual V.M. Goldschmidt Conference - V.M. Goldschmidt Conference: Davos, Switzerland, June, 2009. Geochimica et Cosmochimica Acta, Nr. 13, Suppl., Bd. 73, Elsevier, Amsterdam [u.a.], S. 1151-1151.

Krämer, S, Borer, P, Kretzschmar, R, Hug, SJ & Sulzberger, B 2009, 'Photodissolution of lepidocrocite (gamma-FeOOH) in the presence of desferrioxamine B and aerobactin', Geochimica et Cosmochimica Acta, Jg. 73, S. 4673-4687.

Krämer, S, Borer, P, Kretzschmar, R, Hug, SJ & Sulzberger, B 2009, 'Photoreductive dissolution of lepidocrocite and other iron(III) (hydr)oxides in the absence of organic ligands: experimental studies and kinetic modeling', Environmental Science & Technology (Washington), Jg. 43, S. 1864-1870.

Krämer, S, Borer, P, Kretzschmar, R, Hug, SJ & Sulzberger, B 2009, 'Photoreductive dissolution of lepidocrocite in the presence and absence of siderophores', Geochimica et Cosmochimica Acta, Jg. 73, Nr. 13.

Straub, KL, Schink, B & Krämer, S 2009, 'Sulfur cycle mediated microbial reduction of ferric iron', Davos, Schweiz, 21/06/09 - 26/06/09, .

Straub, KL, Schink, B & Krämer, S 2009, 'Sulfur cycle mediated reduction of ferric iron', Geochimica et Cosmochimica Acta.

Krämer, S, Borer, P, Kretzschmar, R, Hug, SJ & Sulzberger, B 2009, 'Wavelength-dependence of photoreductive dissolution of lepidocrocite (γ-FeOOH) in the absence and presence of the siderophore DFOB', Environmental Science & Technology (Washington), Jg. 43, S. 1871-1876.

Carrasco, N, Kretzschmar, R, Pesch, M-L & Krämer, S 2008, 'Effects of anionic surfactants on ligand-promoted dissolution of iron and aluminum hydroxides', Journal of Colloid and Interface Science, Jg. 321, Nr. 2, S. 279-287.

Krämer, S, Borer, P, Kretzschmar, R, Hug, SJ & Sulzberger, B 2008, 'Iron oxide photodissolution in the presence of siderophores', Geochimica et Cosmochimica Acta, Jg. 72, Nr. 12.

Straub, KL, Kappler, A, Haderlein, SB & Krämer, S 2008, Rapid microbial respiratory reduction of biolgically produced ferric iron minerals. in Unknown host publication title. Unknown publisher.

Straub, KL, Kappler, A, Haderlein, SB & Krämer, S 2008, 'Rapid microbial respiratory reduction of biologically produced ferric iron minerals' European Geosciences Union, General Assembly 2008, Wien, Österreich, 13/04/08 - 18/04/08, .

Reichard, P, Kretzschmar, R & Krämer, S 2007, 'Dissolution mechanisms of goethite in the presence of siderophores and organic acids', Geochimica et Cosmochimica Acta, Jg. 71, Nr. 23, S. 5635-5650.

Krämer, S & Crowley, D 2007, Function of Siderophores in the Plant Rhizosphere. in R Pinton (Hrsg.), The rhizosphere: biochemistry and organic substances at the soil-plant interface. 2. Aufl., Books in soils, plants, and the environment, CRC Press Taylor & Francis Group, Boca Raton, S. 173-201. https://doi.org/10.1201/9781420005585.ch7

Straub, KL, Schink, B & Krämer, S 2007, 'Indirect microbial ferric iron reduction via sulfur cycling', Geophysical Research Abstracts, Jg. 9.

Straub, KL, Schink, B & Krämer, S 2007, 'Indirect microbial ferric iron reduction via sulfur cycling'.

Wiederhold, J, Teutsch, N, Krämer, S, Halliday, A & Kretzschmar, R 2007, 'Iron isotope fractionation during pedogenesis in redoximorphic soils', Soil Science Society of America Journal, Jg. 71, Nr. 6, S. 1840-1850.

Wiederhold, J, Teutsch, N, Krämer, S, Halliday, A & Kretzschmar, R 2007, 'Iron isotope fractionation in oxic soils by mineral weathering and podzolization', Geochimica et Cosmochimica Acta, Jg. 71, Nr. 23, S. 5821-5833.

Carrasco, N, Kretzschmar, R, Pesch, M-L & Krämer, S 2007, 'Low concentrations of surfactants enhance siderophore-promoted dissolution of goethite', Environmental Science & Technology (Washington), Jg. 41, Nr. 10, S. 3633-3638.

Krämer, S, Borer, P, Kretzschmar, R, Sulzberger, B & Hug, SJ 2007, 'Mechanistic study of the photodissolution of lepidocrocite (gamma-FeOOH) by model siderophores.', Geochimica et Cosmochimica Acta, Jg. 71, Nr. 15 Suppl. 1, S. A109 - A109. https://doi.org/10.1016/j.gca.2007.06.012

Borer, P, Hug, SJ, Sulzberger, B, Krämer, S & Kretzschmar, R 2007, 'Photolysis of citrate on the surface of lepidocrocite: An in situ attenuated total reflection infrared spectroscopy study', The Journal of Physical Chemistry Part C (Nanomaterials and Interfaces), Jg. 111, Nr. 28, S. 10560-10569.

Chorover, J, Krämer, S, Cervini-Silva, J & Maurice, P 2007, 'Physical chemistry of soils and aquifers: A special issue in honor of Garrison Sposito', Geochimica et Cosmochimica Acta, Jg. 71, Nr. 23, S. 5578-5582.

Reichard, P, Kretzschmar, R & Krämer, S 2007, 'Rate laws of steady-state and non-steady-state ligand-controlled dissolution of goethite', Colloids and Surfaces A: Physicochemical and Engineering Aspects, Jg. 306, Nr. 1-3 sp.Iss, S. 22-28.

Krämer, S, Wiederhold, J, Kiczka, M, Bourdon, B & Kretzschmar, R 2007, 'The impact of Fe isotope fractionation by plants on the isotopic signature of soils', Geochimica et Cosmochimica Acta, Jg. 71, Nr. 15.

Cheah, S-F, Krämer, S, Cervini-Silva, J & Sposito, G 2006, 'Erratum to "Steady-state dissolution kinetics of goethite in the presence of desferrioxamine B and oxalate ligands: Implications for the microbial acquisition of iron" [Chemical Geology 198 (2003) 63-75] (DOI:10.1016/S0009-2541(02)00421-7)', Chemical Geology, Jg. 228, Nr. 4.

Crowley, D & Krämer, S 2006, 'Geochemical Aspects of Phytosiderophore-Promoted Iron Acquisition by Plants', Advances in Agronomy, Jg. 91, S. 1-46.

Frazier, S, Kretzschmar, R & Krämer, S 2005, 'Bacterial siderophores promote dissolution of UO2 under reducing conditions', Environmental Science & Technology (Washington), Jg. 39, Nr. 15, S. 5709-5715. https://doi.org/10.1021/es050270n

Borer, P, Sulzberger, B, Reichard, P & Krämer, S 2005, 'Effect of siderophores on the light-induced dissolution of colloidal iron(III) (hydr)oxides', Marine Chemistry, Jg. 93, Nr. 2-4, S. 179-193.

Reichard, P, Krämer, S, Frazier, S & Kretzschmar, R 2005, 'Goethite dissolution in the presence of phytosiderophores: rates, mechanisms and the synergistic effect of oxalate', Plant and Soil: international journal on plant-soil relationships, Jg. 276, S. 115-132.

Krämer, S, Butler, A, Borer, P & Cervini-Silva, J 2005, 'Siderophores and the dissolution of iron-bearing minerals in marine systems', Reviews in Mineralogy and Geochemistry, Jg. 59, S. 53-76.

Krämer, S & Hering, J 2004, 'Biogeochemical controls on the mobility and bioavailability of metals in soils and groundwater', Aquatic Sciences: research across boundaries, Jg. 66, Nr. 1, S. 1-2. https://doi.org/10.1007/s00027-004-0004-6

Krämer, S 2004, 'Iron oxide dissolution and solubility in the presence of siderophores', Aquatic Sciences: research across boundaries, Jg. 66, S. 3-18.

Cheah, S-F, Krämer, S, Cervini-Silva, J & Sposito, G 2003, 'Steady-state dissolution kinetics of goethite in the presence of desferrioxamine B and oxalate ligands: Implications for the microbial acquisition of iron', Chemical Geology, Jg. 198, Nr. 1-2, S. 63-75.

Krämer, S, Kretzschmar, R & Reichard, P 2002, 'Fast ligand controlled goethite dissolution kinetics under non-steady state conditions in the presence of siderophores and oxalate', Geochimica et Cosmochimica Acta, Jg. 66, Nr. 15.

Krämer, S, Xu, J, Raymond, KN & Sposito, G 2002, 'Pb(II) and Eu(III) adsorption by goethite in the presence of natural and synthetic hydroxamate siderophores', Environmental Science & Technology (Washington), Jg. 36, Nr. 6, S. 1287-1291.

Cocozza, C, Tsao, CCG, Cheah, S-F, Krämer, S, Raymond, KN, Miano, TM & Sposito, G 2002, 'Temperature dependence of goethite dissolution promoted by trihydroxamate siderophores', Geochimica et Cosmochimica Acta, Jg. 66, S. 431-438.

Krämer, S, Cheah, S-F, Zapf, R, Xu, J-J, Raymond, KN & Sposito, G 1999, 'Effect of hydroxamate siderophores on Fe release and Pb(II) adsorption by goethite', Geochimica et Cosmochimica Acta, Jg. 63, Nr. 19-20, S. 3003-3008.

Krämer, S, Chiu, VQ & Hering, J 1998, 'Influence of pH and competitive adsorption on the kinetics of ligand- promoted dissolution of aluminum oxide', Environmental Science & Technology (Washington), Jg. 32, Nr. 19, S. 2876-2882.

Krämer, S & Hering, J 1997, Environmental chemistry of trace metals. in DL Macalady (Hrsg.), Perspectives in environmental chemistry. Oxford University Press, New York, NY [u.a.] .

Krämer, S & Hering, J 1997, 'Influence of the solution saturation state on the kinetics of ligand controlled dissolution of oxide phases', Geochimica et Cosmochimica Acta, Jg. 61, Nr. 14, S. 2855-2866.

Hering, J & Krämer, S 1994, 'Kinetics of complexation reactions at surfaces and in solution: Implications for enhanced radionuclide migration', Radiochimica Acta: international journal for chemical aspects of nuclear science and technology, Jg. 66/67, S. 63-71.