Helmholtz-Zentrum Dresden-Rossendorf

Biogeochemistry

Dr. Susanne Sachs
Phone:+49 351 260 - 2436
Fax:+49 351 260 - 3553
Email: s.sachsAthzdr.de
Address for visitors:Bautzner Landstraße 400
01328 Dresden
Postal address:POB 51 01 19
01314 Dresden
Germany

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

  • CONCERT: European Joint Programme for the Integration of Radiation Protection Research; EC Project, 2015-present
  • 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

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