Univ.-Prof. Dipl.-Geol. Dr. Stephan Krämer
T: +43-1-4277-53463
1 - 20 out of 111


Walter, M., Schenkeveld, W. D. C., Tomatis, M., Schelch, K., Peter-Voroesmarty, B., Geroldinger, G., Gille, L., Bruzzoniti, M. C., Turci, F., Kraemer, S. M., & Grusch, M. (2022). The Potential Contribution of Hexavalent Chromium to the Carcinogenicity of Chrysotile Asbestos. Chemical Research in Toxicology, 35(12), 2335-2347. https://doi.org/10.1021/acs.chemrestox.2c00314













Rushworth, D., Krämer, S., Schenkeveld, W., Dewulf, J., & Slomp, C. (2019). Copper mobilization from marine sediments by the methanotrophic chalcophore methanobactin. International symposium on environmental biogeochemistry, Potsdam, Germany.

Rushworth, D., Schenkeveld, W., Krämer, S., Hoffmann, K., Kretzschmar, R., & Christl, I. (2019). Copper sulfide dissolution by methanobactin, a methanotrophic chalcophore. Goldschmidt conference 2019, Barcelona, Spain. https://goldschmidtabstracts.info/abstracts/abstractView?id=2019003385



Biswakarma, J., Kang, K., Borowski, S., Schenkeveld, W., Krämer, S., Hering, J., & Hug, S. (2019). Fe(II)-Catalyzed Ligand-Controlled Dissolution of Iron(hydr)oxides. Environmental Science & Technology, 53(1), 88-97. https://doi.org/10.1021/acs.est.8b03910

1 - 20 out of 111

Invited Speaker: American Chemical Society Fall Meeting 2023

Stephan Krämer (Speaker), Rouven Metz (Speaker), Walter Schenkeveld (Speaker) & Naresh Kumar (Speaker)

14 Aug 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: Goldschmidt 2023 Conference

Rouven Metz (Speaker), Walter Schenkeveld (Speaker), Naresh Kumar (Speaker) & Stephan Krämer (Speaker)

14 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: Goldschmidt 2023 Conference

Veer Vikram Singh (Speaker), Richard Kimber (Speaker), Naresh Kumar (Speaker) & Stephan Krämer (Speaker)

12 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: Goldschmidt Conference 2023

Florian Exler (Speaker), Richard Kimber (Speaker), Victoria Oberreiter (Speaker), Naresh Kumar (Speaker), Ron Pinhasi (Speaker) & Stephan Krämer (Speaker)

11 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited speaker: Goldschmidt Conference 2023

Wenhao Wang (Speaker), Anna Sabrina Kistler (Speaker), Naresh Kumar (Speaker) & Stephan Krämer (Speaker)

10 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: Goldschmidt 2023 conference

Kyle Chardi (Speaker), Walter Schenkeveld (Speaker), Naresh Kumar (Speaker) & Stephan Krämer (Speaker)

10 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: Goldschmidth 2023 Conference

Walter Schenkeveld (Speaker) & Stephan Krämer (Speaker)

10 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: Stanford University

Stephan Krämer (Speaker)

12 Jun 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: University of California

Stephan Krämer (Speaker)

12 Jun 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Tracing geochemical processes governing the stationary behavior of a Hg plume in groundwater using Hg isotopes

Lorenz Schwab (Speaker), Alina Kleindienst (Contributor), Carina Esser (Contributor), David McLagan (Contributor), Harald Biester (Contributor), Stephan Krämer (Contributor) & Jan Georg Wiederhold (Contributor)

28 Jul 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Assessing within tree cycling and atmospheric archiving of mercury using mercury stable isotopes and concentrations

David McLagan (Speaker), Harald Biester (Contributor), Tomas Navrátil (Contributor), Stephan Krämer (Contributor) & Lorenz Schwab (Contributor)

26 Jul 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Suitability of vivianite as a long-term phosphate sink in terrestrial and aquatic systems and the effect of metal incorporation

Rouven Metz (Speaker), Naresh Kumar (Speaker), Walter Schenkeveld (Speaker) & Stephan Krämer (Speaker)

14 Jul 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Kinetic versus equilibrium mercury isotope effects during homogenous and surface catalyzed mercury(II) reduction by iron(II)

Lorenz Schwab (Speaker), Niklas Gallati (Contributor), David McLagan (Contributor), Harald Biester (Contributor), Stephan Krämer (Contributor) & Jan Georg Wiederhold (Contributor)

13 Jul 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


How Hg isotope source signatures can be overprinted by biogeochemical processes in the subsurface of contaminated legacy sites

Lorenz Schwab (Speaker), David McLagan (Contributor), Jan Pietrucha (Contributor), Stephan Krämer (Contributor), Harald Biester (Contributor) & Jan Georg Wiederhold (Contributor)

23 May 202227 May 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Determination of Kinetic Mercury Isotope Fractionation during Reduction of Hg(II) by Dissolved Fe(II) and Fe(II)-bearing Minerals

Lorenz Schwab (Speaker), Niklas Gallati (Contributor), David McLagan (Contributor), Stephan Krämer (Contributor), Harald Biester (Contributor) & Jan Georg Wiederhold (Contributor)

9 Jul 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


The mechanism and effect of Vivianite oxidation on the bioavailability of P and Fe

Rouven Metz (Speaker), Naresh Kumar (Speaker), Walter Schenkeveld (Speaker) & Stephan Krämer (Speaker)

8 Jul 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


High Mercury Sorption in Low Organic Matter Aquifer Material Using Column Experiments

David McLagan (Speaker), Carina Esser (Contributor), Lorenz Schwab (Contributor), Jan Pietrucha (Contributor), Jan Georg Wiederhold (Contributor), Stephan Krämer (Contributor) & Harald Biester (Contributor)

4 Jul 20219 Jul 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Biogeochemical mechanisms influencing the bioavailability of P and Fe from vivianite

Rouven Metz (Speaker), Naresh Kumar (Speaker), Walter Schenkeveld (Speaker) & Stephan Krämer (Speaker)

30 Apr 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Localizing crystal-sites of long-term radical formation in altered chrysotile asbestos

Martin Walter (Speaker), Walter Schenkeveld (Contributor), Michael Reissner (Contributor), Lars Gille (Contributor) & Stephan Krämer (Contributor)

28 Aug 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Radical generation and transition metals on chrysotile asbestos surfaces

Martin Walter (Speaker), Walter Schenkeveld (Contributor), Gerald Geroldinger (Contributor), Lars Gille (Contributor) & Stephan Krämer (Contributor)

16 Aug 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Copper Uptake in the Ammonia Oxidizing Archaeon Nitrososphaera Viennensis

Carolina Reyes (Speaker), Christa Schleper (Contributor) & Stephan Krämer (Contributor)

13 Aug 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Thermodynamic versus kinetic specificity in biological iron acquisition

Stephan Krämer (Speaker)

16 Aug 201521 Aug 2015

Activity: Talks and presentationsTalk or oral contributionOther


Thermodynamics and kinetics of plant iron acquisition

Stephan Krämer (Speaker)

Jul 2015

Activity: Talks and presentationsTalk or oral contributionOther


Environmental geochemistry at the University of Vienna

Stephan Krämer (Speaker)

Apr 2015

Activity: Talks and presentationsTalk or oral contributionOther


Biological iron acquisition: the geochemistry survival kit

Stephan Krämer (Speaker)

Feb 2015

Activity: Talks and presentationsTalk or oral contributionOther


Environmental geochemistry at the University of Vienna

Stephan Krämer (Speaker)

Apr 2014 → …

Activity: Talks and presentationsTalk or oral contributionOther


Biogeochemical mechanisms of iron cycling in marine and terrestrial environments

Stephan Krämer (Speaker)

1 Feb 201428 Feb 2014

Activity: Talks and presentationsTalk or oral contributionOther


Isotopengeochemie an der Universität Wien

Stephan Krämer (Speaker)

26 Nov 2013

Activity: Talks and presentationsTalk or oral contributionOther



Photoreductive dissolution of lepidocrocite in the presence and absence of siderophores

Stephan Krämer (Speaker)

21 Jun 2009

Activity: Talks and presentationsTalk or oral contributionOther



Mobilization of chromium by organic matter in reduced systems

Krämer, S. & Wang, W.

1/07/2230/06/24

Project: Research funding



MIRACOSA: Mercury isotopes in contaminated soil-aquifer systems

Wiederhold, J. G. & Krämer, S.

1/06/1830/11/22

Project: Research funding


Verhalten vierwertigen Urans

Krämer, S.

10/06/179/06/21

Project: Research funding


Interaktion kompl.u reduz. Wurz

Krämer, S.

1/03/1731/10/20

Project: Research funding


CORA: CORA

Krämer, S.

1/06/1631/05/18

Project: Research funding


Kupferverfügbarkeit, Methanobak

Krämer, S.

30/06/1530/06/18

Project: Research funding


Synergien

Krämer, S.

28/10/1328/10/16

Project: Research funding


Biogeoch.Phytosiderophore

Krämer, S.

30/06/1029/06/13

Project: Research funding


Department of Analytical Chemistry

Währinger Straße 38
1090 Wien

T: +43-1-4277-53463

stephan.kraemer@univie.ac.at