Helmholtz-Zentrum Dresden-Rossendorf

Biogeochemistry

Dr. Susanne Sachs
Phone:+49 351 260 - 2436
Fax:+49 351 260 - 3553
Email: s.sachsAthzdr.de
AddressBautzner Landstraße 400
01328 Dresden

Scientific career

  • Since 1996:
    Research Associate at Helmholtz-Zentrum Dresden Rossendorf e.V. – Institute of Resource Ecology
  • 11-12/1999:
    Research stay at the Florida State University, Department of Chemistry (Working group of Prof. Dr. G. R. Choppin), Tallahassee, Florida, USA
  • 1993-1997:
    PhD at the Forschungszentrum Rossendorf, Institut für Radiochemie/Technische Universität Dresden
  • 1988-1993:
    TU Bergakademie Freiberg, Diploma in chemistry

Research work

  • Studies of the interaction of actinides with humic substances and their impact on the actinide transport in geological systems
  • Investigations of the interaction of actinides with biological systems (mammalian and plant cells)

Projects

  • TRANS-LARA: Transport and transfer behaviour of long-lived radionuclides along the causal chain groundwater-soil-surface plant under consideration of long-term climatic changes, subproject B; BMBF project, 1.9.2017-31.08.2020
  • CONCERT: European Joint Programme for the Integration of Radiation Protection Research; EC Project, 2015-2020
  • Joint project: Interaction and transport of actinides in natural clay rock with consideration of humic substances and clay organics – Characterization and quantification of the influence of clay organics on the interaction and diffusion of uranium and americium in the clay; BMWi-Project, 2006-2011
  • Joint project: Migration of actinides in the system clay, humic substance, aquifer – Migration behavior of actinides (uranium, neptunium) in clays: Characterization and quantification of the influence of humic susbtances; BMWi-Project, 2003-2006
  • HUPA: Humic Substances in Performance Assessment of Nuclear Waste Disposal: Actinide and Iodine Migration in the Far-Field; EC Project, 2001-2004
  • Investigation of the complexation and the migration of actinides and non-radioactive substances with humic acids under geogenic conditions – Complexation of humic acids with actinides in the oxidation state IV Th, U, Np; BMWA-Project, 2000-2003
  • Influence of humic acids on the migration behavior of radioactive and non-radioactive substances under conditions close to nature (Synthesis, radiometric determination of functional groups, complexation); BMBF-Project, 1995-1999

Board activities

  • HZDR contact person in the European Radioecology Alliance and member of the Board of Directors
  • Leader of the working group NORM in the European Radioecology Alliance together with Dr. Thuro Arnold

Publications

2017

Calorimetrically determined U(VI) toxicity in Brassica napus correlates with oxidoreductase activity and U(VI) speciation
Sachs, S.; Geipel, G.; Bok, F.; Oertel, J.; Fahmy, K.
Corresponding author: Fahmy, K.

2015

Interaction of Eu(III) with mammalian cells: Cytotoxicity, uptake and speciation as a function of Eu(III) concentration and nutrient composition
Sachs, S.; Heller, A.; Weiß, S.; Bok, F.; Bernhard, G.

2013

Uptake of multi-disperse starch by anion exchangers
Pürschel, M.; Sachs, S.; Bernhard, G.; Ender, V.
  • Open Access LogoJournal of Physical Science and Application 3(2013)3, 147-155

Spectroscopic study of americium(III) complexes with nitrogen containing organic model ligands
Raditzky, B.; Sachs, S.; Schmeide, K.; Barkleit, A.; Geipel, G.; Bernhard, G.

Diffusion of U(VI) in Opalinus Clay: Influence of temperature and humic acid
Joseph, C.; van Loon, Luc R.; Jakob, A.; Steudtner, R.; Schmeide, K.; Sachs, S.; Bernhard, G.

Sorption of U(VI) onto Opalinus Clay: Effects of pH and humic acid
Joseph, C.; Stockmann, M.; Schmeide, K.; Sachs, S.; Brendler, V.; Bernhard, G.

2012

Uranyl(VI) Complexation by Sulfonate Ligands: A Relativistic Density Functional and TRLFS Study
Kremleva, A.; Zhang, Y.; Shor, Aleksey M.; Krüger, S.; Joseph, C.; Raditzky, B.; Schmeide, K.; Sachs, S.; Bernhard, G.; Rösch, N.

Np(V) reduction by humic acid: Contribution of reduced sulfur functionalities to the redox behavior of humic acid
Schmeide, K.; Sachs, S.; Bernhard, G.

2011

Influence of humic acids on the actinide migration in the environment: Suitable humic acid model substances and their application in studies with uranium – a review
Sachs, S.; Bernhard, G.

Ternary uranium(VI) carbonato humate complex studied by cryo-TRLFS
Steudtner, R.; Sachs, S.; Schmeide, K.; Brendler, V.; Bernhard, G.

Influence of humic acid on the Am(III) sorption onto kaolinite
Krepelova, A.; Sachs, S.; Bernhard, G.

Sorption of uranium(VI) onto Opalinus Clay in the absence and presence of humic acid in Opalinus Clay pore water
Joseph, C.; Schmeide, K.; Sachs, S.; Brendler, V.; Geipel, G.; Bernhard, G.

Binary and Ternary Uranium(VI) Humate Complexes Studied by Attenuated Total Reflection Fourier-transform Infrared Spectroscopy
Steudtner, R.; Müller, K.; Schmeide, K.; Sachs, S.; Bernhard, G.

Humic acid model substances with pronounced redox functionality for the study of environmentally relevant interaction processes of metal ions in the presence of humic acid
Sachs, S.; Bernhard, G.

2010

Study of the role of sulfur functionalities in humic acids for uranium(VI) complexation
Sachs, S.; Reich, T.; Bernhard, G.

Interaction of uranium(VI) with nitrogen containing model ligands studied by laser-induced fluorescence spectroscopy
Raditzky, B.; Schmeide, K.; Sachs, S.; Geipel, G.; Bernhard, G.

2008

Sorption of U(VI) onto an artificial humic substance-kaolinite-associate
Sachs, S.; Bernhard, G.

Structural Characterization of U(VI) Surface Complexes on Kaolinite in the Presence of Humic Acid Using EXAFS Spectroscopy
Krepelova, A.; Reich, T.; Sachs, S.; Drebert, J.; Bernhard, G.

Complex Formation of Uranium(VI) with L-Phenylalanine and 3-Phenylpropionic Acid Studied by Attenuated Total Reflection Fourier Transform Infrared Spectroscopy
Barkleit, A.; Foerstendorf, H.; Heim, K.; Sachs, S.; Bernhard, G.

2007

U(VI)-Kaolinite Surface Complexation in Absence and Presence of Humic Acid Studied by TRLFS
Krepelova, A.; Brendler, V.; Sachs, S.; Baumann, N.; Bernhard, G.
  • Environmental Science & Technology 41(2007)17, 6142-6147

Uranium(VI) Complexation by Humic Acid under Neutral pH Conditions Studied by Laser-Induced Fluorescence Spectroscopy
Sachs, S.; Brendler, V.; Geipel, G.

Migration of Uranium (IV)/(VI) in the Presence of Humic Acids in Quartz Sand: A Laboratory Column Study
Mibus, J.; Sachs, S.; Nebelung, C.; Bernhard, G.
  • Journal of Contaminant Hydrology 89 (2007) 199 - 217 DOI 10.1016/j.jconhyd.2006.08.005

2006

On the Uptake Mechanisms of Organics from Natural Water - Investigations with Strong and Weak Base Ion Exchangers and Their Corresponding Copolymers
Ender, V.; Schumann, T.; Sachs, S.; Bernhard, G.
  • PowerPlant Chemistry 8(2006), 541-549

Uranium(VI) sorption onto kaolinite in the presence and absence of humic acid
Krepelova, A.; Sachs, S.; Bernhard, G.
  • Radiochimica Acta 94(2006), 825-833

Plutonium(III) complexation by humic substances studied by X-ray absorption fine structure spectroscopy
Schmeide, K.; Reich, T.; Sachs, S.; Bernhard, G.
  • Inorganica Chimica Acta 359(2006)1, 237-242

2005

NIR Spectroscopic Study of the Complexation of Neptunium(V) with Humic Acids: Influence of Phenolic OH Groups on the Complex Formation
Sachs, S.; Bernhard, G.
  • Radiochimica Acta 93(2005), 141-145

EXAFS Study on the Neptunium(V) Complexation by Various Humic Acids under Neutral pH Conditions
Sachs, S.; Schmeide, K.; Reich, T.; Brendler, V.; Heise, K. H.; Bernhard, G.
  • Radiochimica Acta 93(2005), 17-25

Neptunium(IV) complexation by humic substances studied by X-ray absorption fine structure spectroscopy
Schmeide, K.; Reich, T.; Sachs, S.; Brendler, V.; Heise, K. H.; Bernhard, G.
  • Radiochimica Acta 93(2005), 187-196

2003

Interaction of uranium(VI) with various modified and unmodified natural and synthetic humic substances studied by EXAFS and FTIR spectroscopy
Schmeide, K.; Sachs, S.; Bubner, M.; Reich, T.; Heise, K. H.; Bernhard, G.
  • Inorganica Chimica Acta 351, 133-140 (2003)

2002

Humic Colloid-Borne Migration of Uranium in Sand Columns
Artinger, R.; Rabung, T.; Kim, J. I.; Sachs, S.; Schmeide, K.; Heise, K. H.; Bernhard, G.; Nitsche, H.
  • Journal of Contaminant Hydrology 58 (2002) 1-12.

Carbon-13 NMR Spectroscopic Studies on Chemically Modified and Unmodified Synthetic and Natural Humic Acids
Sachs, S.; Bubner, M.; Schmeide, K.; Choppin, Gregory R.; Heise, K. H.; Bernhard, G.
  • Talanta, 57, 999-1009 (2002)

2000

Investigation of Humic Acid Complexation Behavior with Uranyl Ions Using Modified Synthetic and Natural Humic Acids
Pompe, S.; Schmeide, K.; Bubner, M.; Geipel, G.; Heise, K.-H.; Bernhard, G.; Nitsche, H.
  • Radiochimica Acta 88 (2000) 553-558

Uranium(VI) Sorption onto Phyllite and Selected Minerals in the Presence of Humic Acid
Schmeide, K.; Pompe, S.; Bubner, M.; Heise, K. H.; Bernhard, G.; Nitsche, H.
  • Radiochimica Acta 88, 723-728 (2000)

1999

X-ray photoelectron spectroscopy investigation of the interaction of U(VI) and Fe(III) with natural humic acid in aqueous solutions
Teterin, Yu. A.; Nefedov, V. I.; Lebedev, A. M.; Dementjev, A. P.; Utkin, I. O.; Teterin, A. Yu.; Bubner, M.; Reich, T.; Pompe, S.; Heise, K.-H.
  • Journal für Praktische Chemie Vol. 341, Issue 8 (1999), pp. 773-777

1998

Determination and Comparison of Uranyl Complexation Constants with Natural and Model Humic Acids
Pompe, S.; Brachmann, A.; Bubner, M.; Geipel, G.; Heise, K.-H.; Bernhard, G.; Nitsche, H.
  • Radiochimica Acta 82, 89-95 (1998)
  • Poster
    Migration '97, Sendai, Japan, 26.-31.10.1997

Isotopically Labelled Humic Acids for Heavy Metal Complexation
Bubner, M.; Pompe, S.; Meyer, M.; Heise, K.-H.; Nitsche, H.
  • Lecture (Conference)
    Vortrag, Joint European IIS Conference, 24.-26.Juni 1998, Bad Soden
  • Tagungsbericht in J. Labelled Compounds and Radiopharmaceuticals XLI, 1017-1082 (1998)

EXAFS Investigations of the Interaction of Humic Acids and Model Compounds with Uranyl Cations in Solid Complexes
Denecke, Melissa A.; Reich, T.; Pompe, S.; Bubner, M.; Heise, K.-H.; Nitsche, H.; Allen, P. G.; Bucher, Jerome J.; Edelstein, Norman M.; Shuh, David K.; Czerwinski, K.
  • Poster
    Migration '97 Konferenz, 26.-31. Oktober, Sendai, Japan
  • Radiochim. Acta 82, 103 (1998)

Electron spectroscopy for chemical analysis Investigation of the Interaction of uranyl and calcium ions with humic acids
Nefedov, V. I.; Teterin, Yu. A.; Lebedev, A. M.; Teterin, A. Yu.; Dementjev, A. P.; Bubner, M.; Reich, T.; Pompe, S.; Heise, K.-H.; Nitsche, H.
  • Inorganica Chimica Acta 273 (1998) 234-237

1997

EXAFS Investigations on the Interaction of Uranium(VI) with Natural and Synthetic Humic Acids
Denecke, Melissa A.; Pompe, S.; Reich, T.; Moll, H.; Bubner, M.; Heise, K.-H.; Nicolai, R.; Nitsche, H.
  • Radiochimica Acta 79 (1997), 151-159

1996

A Comparison of Natural Humic Acids with Synthetic Humic Acid Model Substances: Characterization and Interaction with Uranium (VI)
Pompe, S.; Bubner, M.; Denecke, Melissa A.; Reich, T.; Brachmann, A.; Geipel, G.; Nicolai, R.; Heise, K.-H.; Nitsche, H.
  • Radiochimica Acta 74 (1996) pp. 135-140

Capillary electrophoresis for a "finger-print"-characterization of fulvic and humic acids
Pompe, S.; Heise, K.-H.; Nitsche, H.
  • Journal of Chromatography A 723 (1996) pp. 215-218