T. Schäfer

Radiation sensitivity of natural organic matter: Clay mineral association effects in the Callovo-Oxfordian argillite. (2009)

Schäfer, T., Michel, P., Claret, F., Beetz, T., Wirick, S., Jacobsen, C.

Journal of Electron Spectroscopy and Related Phenomena, 170(2009) S.49-56

Molecular geochemistry in hydrogeology: a pathway to reactive transport process understanding in natural systems. (2009)

Schäfer, T.

Wissenschaftliche Berichte, FZKA-7452 (März 2009)

Removal of uranium(VI) from the aqueous phase by iron(II) minerals in presence of bicarbonate. (2009)

Regenspurg, S., Schild, D., SChäfer, T., Huber, F., Malmström, M.E.

Applied Geochemistry, 24(2009) S.1617-25

analysis in soft X-ray spectromicroscopy: finding the patterns in complex specimens.” (2008)

Chris Johnson Jacobsen, H. N. Chapman, A. Barty, S. Marchesini, A. Noy, ...

resolution ab initio three-dimensional x-ray diffraction microscopy, ” J. Opt. Soc. Am. A. 23,

Health risks of early swimming pool attendance (2008)

Schoefer, Y., Zutavern, A., Brockow, I., Schäfer, T., Krämer, U., Schaaf, B., ...

Swimming pool attendance and exposure to chlorination by-products showed adverse health effects on children. We assessed whether early swimming pool attendance, especially baby swimming, is related...

Evidence for incorporation of H§2S in groundwater fulvic acids from stable isotope ratios and sulfur K-edge X-ray absorption near edge structure spectroscopy. (2008)

Einsiedl, F., Mayer, B., Schäfer, T.

Environmental Science and Technology, 42(2008) S.2439-44

Size dispersion and colloid mediated radionuclide transport in a synthetic porous media. (2008)

Deslos, A., Walther, C., Schäfer, T., Büchner, S.

Journal of Colloid and Interface Science, 324(2008) S.212-15

Bentonite colloid generation from a deep geological repository in granite: An in situ study. (2008)

Missana, T., Alonso, U., Albarran, N., Gomez, P., Buil, B., Schäfer, T., ...

18th Annual V.M. Goldschmidt Conf., Vancouver, CDN, July 13-18, 2008

Sorption of neptunium onto goethite in the presence of humic acids with different hydroquinone group content. (2008)

Kalmykov, S.N., Schäfer, T., Claret, F., Perminova, I.V., Petrova, A.B., Shcherbina, N.S., ...

Radiochimica Acta, 96(2008) S.685-90

The influence of colloid formation in a granite groundwater bentonite porewater mixing zone on radionuclide speciation. (2008)

Kunze, P., Seher, H., Hauser, W., Panak, P.J., Geckeis, H., Fanghänel, T., ...

Journal of Contaminant Hydrology, 102(2008) S.263-72

Fractionation of Suwannee River fulvic acid and Aldrich humic acid on #a-Al§2O§3: Spectroscopic evidence. (2008)

Claret, F., Schäfer, T., Brevet, J., Reiller, P.E.

Environmental Science and Technology, 42(2008) S.8809-15

Molecular signature and sources of biochemical recalcitrance of organic C in Amazonian dark earths. (2008)

Solomon, D., Lehmann, J., Thies, J., Schäfer, T., Liang, B., Kinyangi, J., ...

Geochimica et Cosmochimica Acta, 71(2007) S.2285-98

RTD component 2. (2008)

Schäfer, T.

Buckau, G. [Hrsg.]

COMACK project: clay organic matter actinides complexation kinetics. (2008)

Michel, P., Schäfer, T., Buckau, G., Elie, M., Claret, F., Denecke, M.D., ...

7th European Commission Conf.on the Management and Disposal of Radioactive Waste (EURADWASTE'08), Luxembourg, L, October 20-22, 2008

Radionuclide migration in clay-rich host formations: process understanding, integration and upscaling for safety case use. (2008)

Altmann, S., Tournassat, C., Goutelard, F., Parneix, J.C., Gimmi, T., Maes, N., ...

7th European Commission Conf.on the Management and Disposal of Radioactive Waste (EURADWASTE'08), Luxembourg, L, October 20-22, 2008

Radionuclide migration in the far field: the use of research results in safety cases. (2008)

Schwyn, B., Schneider, J., Rüedi, J., Alonso, J., Altmann, S., Brassinnes, S., ...

7th European Commission Conf.on the Management and Disposal of Radioactive Waste (EURADWASTE'08), Luxembourg, L, October 20-22, 2008

Transformation of organic matter in the presence of smectite: fate of lanthanides during polymerization reactions. (2008)

Schäfer, T., Michel, P., Claret, F., Buckau, G., Elie, M.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement : 3rd Internat.Meeting, Lille, F, September 17-20, 2007

Natural organic matter fractionation on mineral surfaces: a spectroscopic approach. (2008)

Claret, F., Schäfer, T., Reiller, P.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement : 3rd Internat.Meeting, Lille, September 17-20, 2007

Examination of clay minerals organic matter interactions at submicron-scale during confined pyrolysis of a simplified system Volclay bentonite - type II kerogen. (2008)

Michel, P., Schäfer, T., Claret, F., Elie, M.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement : 3rd Internat.Meeting, Lille, F, September 17-20, 2007

Multi method (FTIR, STXM, XANES, EXAFS,) approach to identify uranium speciation in argillites from the Lodeve Basin (France). (2008)

Michel, P., Schäfer, T., Denecke, M.A., Brendebach, B., Dardenne, K., Huber, F., ...

9th Internat.Conf.on X-Ray Microscopy (XRM 2008), Zürich, CH, July 21-25, 2008

The application of STXM to characterize natural organic matter (NOM) and NOM mineral interactions. (2008)

Schäfer, T., Michel, P., Claret, F., Reiller, P.

9th Internat.Conf.on X-Ray Microscopy (XRM 2008), Zürich, CH, July 21-25, 2008

RTD component 2. (2008)

Schäfer, T.

3nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP FUNMIG IP, Edinburgh, GB, November 26-29, 2007

Summary of the 3rd topical session: 'Influence of organics on radionuclide migration processes'. (2008)

Schäfer, T., Reiller, P.

3nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP FUNMIG IP, Edinburgh, GB, November 26-29, 2007

Radionulide speciation in the Grimsel granite groundwater Febex bentonite pore water mixing zone. (2008)

Kunze, P., Seher, H., Hauser, W., Panak, P.J., Geckeis, H., Schäfer, T.

3nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP FUNMIG IP, Edinburgh, GB, November 26-29, 2007

Fractionation of humic substances on #a-Al§2O§3: spectroscopic evidences. (2008)

Claret, F., Schäfer, T., Brevet, J., Reiller, P.

3nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP FUNMIG IP, Edinburgh, GB, November 26-29, 2007

Laboratory study on colloid stability and radionuclide-colloid interaction under Äspö groundwater conditions. (2008)

Bouby, M., Geckeis, H., Schäfer, T., Lützenkirchen, J., Seher, H., Bauer, A., ...

3nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP FUNMIG IP, Edinburgh, GB, November 26-29, 2007

Nanoparticle research in the framework of deep geological disposal of radioactive waste. (2008)

Schäfer, T.

Vortr.: Universität Göttingen, 3.Dezember 2008

#m-XRF and #m-XAFS investigation of uranium-rich clay from a natural analog site. (2008)

Dardenne, K., Denecke, M.A., Brendebach, B., Rothe, J., Vitova, T., Michel, P., ...

5th Workshop on Speciation, Techniques, and Facilities for Radioactive Materials at Synchrotron Light Sources (Actinide-XAS-2008), Saint-Aubin, F, July 15-17, 2008

Bentonite colloid stability under geochemical conditions relevant for a deep geological repository in fractured rocks. (2008)

Seher, H., Schäfer, T., Geckeis, H., Fanghänel, T.

17th Internat.Symp.on Surfactants in Solution (SIS 2008), Berlin, August 17-22, 2008

Pages S219–S230 BioMiner—modeling, analyzing, and visualizing (2007)

Biochemical Pathways, T. Schäfer, M. Eiglsperger, M. Kaufmann, O. Kohlbacher, E. Bornberg-bauer, ...

Motivation: Understanding the biochemistry of a newly sequenced organism is an essential task for post-genomic analysis. Since, however, genome and array data grow much faster than biochemical...

Verfahren zur hämmernden Blechumformung mit Industrieroboter (2007)

Schäfer, T.

As there are no scientific insights concerning sheet metal forming by hammering using an industrial robot, the main objective of this research work is to develop such a process and to gain a...

Verfahren zur hämmernden Blechumformung mit Industrieroboter (2007)

Schäfer, T.

As there are no scientific insights concerning sheet metal forming by hammering using an industrial robot, the main objective of this research work is to develop such a process and to gain a...

Long-term impacts of anthropogenic perturbations on dynamics and speciation of organic carbon in tropical forest and subtropical grassland ecosystems. (2007)

Solomon, D., Lehmann, J., Kinyangi, J., Amelung, W., Lobe, I., Pell, A., ...

Global Change Biology, 13(2007) S.511-30

Combined sulfur K-edge XANES spectroscopy and stable isotope analyses of fulvic acids and groundwater sulfate identify sulfur cycling in a karstic catchment area. (2007)

Einsiedl, F., Schäfer, T., Northrup, P.

Chemical Geology, 238(2007) S.268-76

Uranium(VI) sorption and reduction by granitic minerals in bicarbonate solutions. (2007)

Regenspurg, S., Schäfer, T., Schild, D., Malmström, M.E.

11th Internat.Conf.on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere (Migration 2007), München, August 26-31, 2007

Sorption induced fractionation of fulvic acids. (2007)

Claret, F., Schäfer, T., Reiller, P.

2nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP IP FUNMIG, Stockholm, S, November 21-23, 2006

Uranyl uptake on granitic minerals in presence of carbonate. (2007)

Regenspurg, S., Schäfer, T., Dardenne, K., Schild, D., Malmstöm, M.E.

2nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP IP FUNMIG, Stockholm, S, November 21-23, 2006

Febex bentonite colloid stability in ground water. (2007)

Seher, H., Schäfer, T., Geckeis, H., Fanghänel, T.

2nd Annual Workshop Proc.of the Integrated Project 'Fundamental Processes of Radionuclide Migration' 6th EC FP IP FUNMIG, Stockholm, S, November 21-23, 2006

Bentonite colloid stability in natural and simulated granite groundwater. (2007)

Schäfer, T., Geckeis, H., Bouby, M., Mihai, S., Delos, A., Alonso, U., ...

1st Annual Workshop Proc.of Integrated Project 'Fundamental Processes of Radionuclide Migration' (IP FUNMIG), Saclay, F, November 28 - December 1, 2005

Smectite induced polymerization of organic matter. (2007)

Schäfer, T., Claret, F., Buckau, G.

1st Annual Workshop Proc.of Integrated Project 'Fundamental Processes of Radionuclide Migration' (IP FUNMIG), Saclay, F, November 28 - December 1, 2005

Colloid/radionuclide migration studies in fractured rocks. Lessons learnt from the Grimsel Äspö system. (2007)

Schäfer, T., Geckeis, H., Kienzler, B., Römer, J., Schild, D.

Internat.Conf.on Radioactive Waste Disposal in Geological Formations, Braunschweig, November 6-9, 2007

Febex bentonite colloid stability and radionuclide speciation in the groundwater/porewater mixing zone. (2007)

Seher, H., Schäfer, T., Kunze, P., Bouby, M., Hauser, W., Panak, P.J., ...

11th Internat.Conf.on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere (Migration 2007), München, August 26-31, 2007

Laboratory study on colloid stability and radionuclide-colloid interaction under Äspö groundwater conditions. (2007)

Bouby, M., Geckeis, H., Schäfer, T., Lützenkirchen, J., Seher, H., Bauer, A., ...

11th Internat.Conf.on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere (Migration 2007), München, August 26-31, 2007

LIBD characterization of colloids in natural Ruprechtov groundwater. What could be learnt from in-situ colloid detection? (2007)

Hauser, W., Geckeis, H., Schäfer, T., Götz, R.

FUNMIG RTDC5 Meeting, Praha, CZ, September 26, 2007

Spectromicroscopy mapping of colloidal/particulate organic matter in Lake Brienz, Switzerland. (2007)

Schäfer, T., Chanudet, V., Claret, F., Filella, M.

Environmental Science and Technology, 41(2007) S.7864-69

U(VI) interaction with Fe(II) containing minerals. (2007)

Regenspurg, S., Schäfer, T., Dardenne, K., Malmström, M.

ANKA - Annual Report 2007 S.175-77

Sheet metal prototyping with industrial robots - technical properties and application fields (2006)

Vihtonen, L., Schäfer, T., Breckweg, A.

Since recent times prototyping methods for sheet metal products have mostly been related to rapid tooling, where traditional hard dies are replaced with softer and more inexpensive short lifetime...

Stift der Weisen: Digitale Stifte ermöglichen eine Roboterprogrammierung wie von Zauberhand (2006)

Schäfer, T.

Intuitive Industrieroboterprogrammierung (2006)

Meyer, C., Schäfer, T.

Today, programming of industrial robots consumes a lot of time and requires experienced personal; for many tasks, especially in small and medium-sized enterprises and with small lot sizes, this...

Matrizenfreie hämmernde Blechumformung mit Industrieroboter - Anlagentechnik und Prozessentwicklung (2006)

Schäfer, T.

In diesem Beitrag wird ein weltweit einzigartiges Blechumformverfahren zur Herstellung von Blechprototypen und zur Individualisierung tiefgezogener Blechteile vorgestellt. Die Idee, Blechteile direkt...

Bleche individuell bearbeiten: Patentiertes Verfahren eignet sich speziell auch für kleinere Serien (2006)

Schäfer, T.

Auf der Fachmesse EuroMold 2005 in Frankfurt am Main präsentierten Forscher ein Blechumformverfahren, mit dem sich beispielsweise 3D-Portraits in Motorhauben dengeln lassen. Bei "Roboshaping" sind...

Aufbau von Industrierobotern (2006)

Hägele, M., Schäfer, T.

Beschreibung des Aufbaus von Industrierobotern.

Robotertechnik und Anwendungen - Einführung (2006)

Hägele, M., Schäfer, T.

Einführung in das Kapitel G: Robotertechnik und Anwendungen.

Robotertechnik und Anwendungen - Definitionen (2006)

Hägele, M., Schäfer, T.

Definition verschiedener Begriffe aus der Robotik.

Roboteranwendungen (2006)

Hägele, M., Schäfer, T.

Beispiele verschiedener Roboteranwendungen.

Grundaufgaben der Industrieroboter (2006)

Hägele, M., Schäfer, T.

Beschreibung der Grundaufgaben von Industrierobotern.

Metal retention and transport on colloidal particles in the environment. (2006)

Kretzschmar, R., Schäfer, T.

Elements, 1(2005) S.205-10

Fractionation of natural organic matter on alphy-alumina. (2006)

Claret, F., Schäfer, T., Amekraz, B., Moulin, C., Reiller, P.

Frimmel, F.H. [Hrsg.]

IP FUNMIG: The European far-field project and the influence of natural organic matter on the migration of radionuclides in the geosphere. (2006)

Schäfer, T.

Frimmel, F.H. [Hrsg.]

Organic matter clay association in natural and synthetic systems: what influences the organic matter preservation pathway? (2006)

Schäfer, T., Claret, F.

Frimmel, F.H. [Hrsg.]

Formlose hämmernde Blechumformung mit Industrierobotern - Anlagentechnik und Prozessentwicklung (2005)

Schäfer, T.

Dieser Beitrag gibt die Erfahrungen wieder, welche während der Entwicklung eines neuartigen inkrementellen Blechumformverfahrens am Fraunhofer IPA gemacht wurden. Die Idee, Blech hämmernd...

Incremental sheet metal forming by industrial robots (2005)

Schäfer, T., Schraft, R.D.

Purpose: This paper aims to introduce a new incremental sheet metal-forming process. By moving a hammering tool over a sheet of metal fixed in a frame, a three-dimensional workpiece can be produced...

Results of the colloid and radionuclide retention experiment (CRR) at the Grimsel Test Site (GTS), Switzerland. Impact of reaction kinetics and speciation on radionuclide migration. (2005)

Geckeis, H., Schäfer, T., Hauser, W., Rabung, T., Missana, T., Degueldre, C., ...

Radiochimica Acta, 92(2004) S.765-74

Carbon K-Edge NEXAFS and FTIR-ATR spectroscopic investigation of organic carbon speciation in soils. (2005)

Solomon, D., Lehmann, J., Kinyangi, J., Liang, B., Schäfer, T.

Soil Science Society of America Journal, 69(2005) S.107-19

U, Th, Eu and colloid mobility in a granite fracture under near-natural flow conditions. (2005)

Schäfer, T., Geckeis, H., Bouby, M., Fanghänel, T.

Radiochimica Acta, 92(2004) S.731-37

Near-edge X-ray absorption fine structure (NEXAFS) spectroscopy for mapping nano-scale distribution of organic carbon forms in soil: Application to black carbon particles. (2005)

Lehmann, J., Liang, B.Q., Solomon, D., Lerotic, M., Luizao, F., Kinyangi, J., ...

Global Geochemical Cycles, 19(2005), GB1013, doi:10.1029/2004GB002435, 2005

Origin and mobility of fulvic acids in the Gorleben aquifer system: implications from isotopic data and carbon/sulfur XANES. (2005)

Schäfer, T., Buckau, G., Artinger, R., Kim, J.I., Geyer, S., Wolf, M., ...

Organic Geochemistry, 36(2005) S.567-82

Source identification and characterization of humic and fulvic acids isolated from Callovo-Oxfordian argillite and opalinus clay. (2005)

Schäfer, T., Claret, F., Lerotic, M., Buckau, G., Bauer, A., Jacobsen, C.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement : 2nd Internat.Meeting, Tours, F, March 14-18, 2005

Clay organic matter as a potential humic source under alkaline perturbations. (2005)

Claret, F., Schäfer, T., Rabung, T., Wolf, M., Bauer, A., Buckau, G.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement : 2nd Internat.Meeting, Tours, F, March 14-18, 2005

Differences in properties and Cm(III) complexation behavior of isolated humic and fulvic acid derived from Opalinus clay and Callovo-Oxfordian argillite. (2005)

Claret, F., Schäfer, T., Rabung, T., Wolf, M., Bauer, A., Buckau, G.

Applied Geochemistry, 20(2005) S.1158-68

Actinide migration experiment in the ÄSPÖ HRL in Sweden: results for uranium and technetium with core # 7. (Part IV). (2005)

Kienzler, B., Vejmelka, P., Römer, J., Schild, D., Marquardt, C., Schäfer, T., ...

Wissenschaftliche Berichte, FZKA-7113 (Mai 2005)

Influence of temperature on sorption of europium onto smectite: the role of organic contaminants. (2005)

Bauer, A., Rabung, T., Claret, F., Schäfer, T., Buckau, G., Fanghänel, T.

Applied Clay Science, 30(2005) S.1-10

EXAFS investigation of americium incorporation into secondary minerals. (2005)

Marques Fernandes, M., Stumpf, T., Rabung, T., Bosbach, D., Fanghänel, T., Dardenne, K., ...

ANKA - Annual Report 2005 S.90-91

Incremental sheet metal forming by industrial robots using a hammering tool (2004)

Schäfer, T., Schraft, R.D.

This paper introduces a new incremental sheet metal forming process. By moving a hammering tool over a sheet metal fixed by a frame, a three-dimensional workpiece can be produced without using any...

Inkrementelle Umformung von Feinblech mit Industrierobotern (2004)

Schäfer, T., Schraft, R.D.

This paper introduces a new incremental forming process of sheet metal by an industrial robot. The described process makes the production of sheet metal parts with cost-effective equipment possible...

Bahn für Bahn (2004)

Schaaf, W., Schäfer, T.

The robot based 3D-machining of large-scale objects in single piece and small batch size production requires economic methods for the path generation. This enables users quickly obtain robot...

Hämmern ins Bodenlose: Inkrementelles Umformen von Feinblechen mit Industrierobotern (2004)

Schäfer, T.

This article introduces a new incremental forming process of sheet metal by an industrial robot. The described process makes the production of sheet metal parts with cost-effective equipment possible...

Der Roboter im Sandkasten (2004)

Schaaf, W., Schäfer, T.

Motorblöcke und Schiffspropeller haben mindestens eines gemeinsam: Wie viele andere große Gussteile entstehen sie in "verlorenen Formen" aus einem Sand-Bindemittel-Gemisch. Solche Sandformen für...

Automatisierung manueller Bearbeitungsprozesse durch Werkzeugentwicklung sowie 3-D-Bahngenerierung (2004)

Schäfer, T.

In dem vorliegenden Beitrag wird eine Vorgehensweise zur Automatisierung manueller Bearbeitungsprozesse vorgestellt und am Beispiel zweier manueller Bearbeitunsprozesse, die am Fraunhofer IPA...

Untersuchungen an historischen Zisternen auf der Insel Pantelleria (Ita.). (2004)

Glowacky, J., Schwotzer, M., Uibelhör, K., Laube, I., Schäfer, T., Gerdes, A., ...

Archäometrie und Denkmalpflege 2004, Mannheim, 6.-9.Oktober 2004

Aquatische Kolloide I: Eine Übersichtsarbeit zur Definition, zu Systemen und zur Relevanz. (2004)

Hofmann, T., Baumann, T., Bundschuh, T., Leis, A., Schmitt, D., ...

Grundwasser, 8(2003) S.203-12

Aquatische Kolloide II: Eine Übersichtsarbeit zur Probennahme, Probenaufbereitung und Charakterisierung. (2004)

Hofmann, T., Baumann, T., Bundschuh, T., Leis, A., Schmitt, D., ...

Grundwasser, 8(2003) S.213-23

Laser-induced breakdown detection combined with asymmetrical flow field-flow fractionation: application to iron oxi/hydroxide colloid characterization. (2004)

Bouby, M., Geckeis, H., Manh, T.N., Yun, J.I., Dardenne, K., Schäfer, T., ...

Journal of Chromatography A, 1040(2004) S.97-104

U, Th, Eu and colloid mobility in a granite fracture under near-natural flow conditions. (2004)

Schäfer, T., Geckeis, H., Bouby, M., Fanghänel, T.

Wanty, R.B. [Hrsg.]

Properties of isolated humic substances from Callovo-Oxfordian and Opalinus clay. (2004)

Claret, F., Schäfer, T., Rabung, T., Bauer, A., Buckau, G., Fanghänel, T., ...

Wanty, R.B. [Hrsg.]

Impact of clay organic matter on clay mineral stability and generation of radionuclide complexing humic substances under near-field alkaline conditions. (2004)

Claret, F., Schäfer, T., Rabung, T., Wolf, M., Bauer, A., Buckau, G.

Euradwaste '04 : 6th EC Conf.on the Management and Disposal of Radioactive Waste, Luxembourg, L, March 29 - April 1, 2004

Source identification and characterization of humic and fulvic acids in clay-rich, low carbon formations. (2004)

Schäfer, T., Claret, F., Lerotic, M., Rabung, T., Buckau, G., Bauer, A., ...

7th Humic Substances Seminar : Molecular Details and Applications in Land and Water Conservation, Boston, Mass., March 17-19, 2004

Characteristic properties and Cm(III) complexation of humic and fulvic acids from Callovo-Oxfordian and Opalinus clay. (2004)

Claret, F., Schäfer, T., Rabung, T., Bauer, A., Wolf, M., Buckau, G., ...

Stability and Buffering Capacity of the Geosphere for Long-term Isolation of Radioactive Waste : Application to Argillaceous Media ; Provisional Compilation of Abstracts, Geosphere Stability...

Influence of temperature on sorption of europium onto smectite. (2004)

Bauer, A., Rabung, T., Claret, F., Schäfer, T., Fanghänel, T.

SOPRO 2004 : Internat.Workshop on Sorption Processes at Oxide and Carbonate Mineral Water Interfaces, Karlsruhe, March 25-26, 2004

Actinide interactions with clay colloids studied by AsymFFFF-ICP-MS. (2004)

Bouby, M., Mihai, S., Schäfer, T., Bolea, E., Geckeis, H.

82.Jahrestagung der Deutschen Mineralogischen Gesellschaft, gemeinsame Jahrestagung der Deutschen Mineralogischen Gesellschaft und der Deutschen Ton- und Tonmineralgruppe, Karlsruhe, September 19-22,...

Incorporation of lanthanides and actinides in ferrihydrite transformation products. (2004)

Dardenne, K., Denecke, M.A., Schäfer, T.

82.Jahrestagung der Deutschen Mineralogischen Gesellschaft, gemeinsame Jahrestagung der Deutschen Mineralogischen Gesellschaft und der Deutschen Ton- und Tonmineralgruppe, Karlsruhe, September 19-22,...

Cluster analysis of soft X-ray spectromicroscopy data. (2004)

Lerotic, M., Jacobsen, C., Schäfer, T., Vogt, S.

Ultramicroscopy, 100(2004) S.35-57

Investigations on the complexation and redox behaviour of Neptunium and Plutonium with humic acids at low metal ion concentrations under laboratory and natural groundwater conditions. (2004)

Kuczewski, B., Seibert, A., Kratz, J.V., Trautmann, N., Banik, N.L., Bürger, S., ...

Wissenschaftliche Berichte, FZKA-6999 (September 2004) S.95-141

Inkrementelles Biegeumformen mit Industrierobotern (2003)

Schäfer, T.

Blech lässt sich entweder mit großvolumigen Werkzeugen in einem Zug oder eben durch kleine Werkzeuge in vielen Schritten, also inkrementell, umformen. Ein am Fraunhofer IPA entwickeltes Verfahren...

Inkrementelles Biegeumformen von Blech mit Industrierobotern: Experimentelle Untersuchung (2003)

Schraft, R.D., Schäfer, T.

This article describes fundamental influence coefficients of incremental sheet metal forming using a hammering tool moved by a robot. The causal connection between the influence coefficients and the...

Roboshaping - Flexible inkrementelle Blechumformung mit Industrierobotern (2003)

Westkämper, E., Schraft, R.D., Schaaf, W., Schäfer, T.

This article describes new approaches to incremental sheet metal forming using industrial robots. In contrast to state of the art processes, sheet metal can be shaped flexibly into three-dimensional...

Experimentelle Untersuchung eines Verfahrens zum inkrementellen Biegeumformen von Blech mit Industrierobotern (2003)

Schäfer, T.

Dieser Beitrag beschreibt die grundlegenden Einflussfaktoren bei der inkrementellen Blechumformung mit einem robotergeführten Hammerwerkzeug. Der Zusammenhang zwischen den Einflussfaktoren und dem...

Laserstrahlschweißen einsatzgehärteter Getriebebauteile (2003)

Schäfer, T.

Colloid-borne americium migration in Gorleben groundwater: significance of iron secondary phase transformation. (2003)

Schäfer, T., Artinger, R., Dardenne, K., Bauer, A., Schüssler, W., Kim, J.I.

Environmental Science and Technology, 37(2003) S.1528-34

Cluster analysis of soft X-ray spectromicroscopy data. (2003)

Jacobsen, C., Feser, M., Lerotic, M., Vogt, S., Maser, J., Schäfer, T.

Journal de Physique IV, Proceedings, 104(2003) S.623-626

Natural organic matter (NOM)-clay association and impact on Callovo-Oxfordian clay stability in alkaline solution: spectromicroscopic evidence. (2003)

Schäfer, T., Claret, F., Bauer, A., Griffault, L., Ferrage, E., Lanson, B.

7th International Conference on X-ray Microscopy ESRF, Grenoble, France, July 28-August 2, 2002

Functional group analysis of natural organic colloids and clay association kinetics using C(1s) spectromicroscopy. (2003)

Schäfer, T., Hertkorn, N., Artinger, R., Claret, F., Bauer, A.

7th International Conference on X-Ray Microscopy ESRF, Grenoble, France, July 28 - August 2, 2002

The colloid and radionuclide retardation experiment at the Grimsel test site: influence of bentonite colloids on radionuclide migration in a fractured rock. (2003)

Möri, A., Alexander, W.R., Geckeis, H., Hauser, W., Schäfer, T., Eikenberg, J., ...

Proc.of Symp.C of the European Materials Resarch Society Spring Meeting, Strasbourg, F, June 18-21, 2003

Effect of natural organic matter on Callovo-Oxfordian clay stability in alkaline solutions: spectroscopic investigations. (2003)

Schäfer, T., Claret, F., Bauer, A., Buckau, G., Griffault, L., Lanson, B.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement, Internat.Meeting, Reims, F, December 9-12, 2002

Alteration of clays in high PH solutions : a case study from the Callovo-Oxfordian formation, Meuse/Haute Marne underground laboratory. (2003)

Bauer, A., Claret, F., Schäfer, T., Griffault, L., Lanson, B.

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement, Internat.Meeting, Reims, F, December 9-12, 2002

Clay mineralogy of the Callovo-Oxfordian formation using multi-specimen method. (2003)

Claret, F., Sakharov, B.A., Drits, V.A., Griffault, L., Meunier, A., Bauer, A., ...

Clays in Natural and Engineered Barriers for Radioactive Waste Confinement, Internat.Meeting, Reims, F, December 9-12, 2002

The colloid and radionuclide retardation experiment at the Grimsel test site: influence of bentonite colloids on radionuclide migration in a fractured rock. (2003)

Möri, A., Alexander, W.R., Geckeis, H., Hauser, W., Schäfer, T., Eikenberg, J., ...

Proc.of Symp.C of the European Materials Resarch Society Spring Meeting, Strasbourg, F, June 18-21, 2003

Inorganic colloid borne actinide migration studied under in-situ conditions at the Grimsel Test Site. (2003)

Geckeis, H., Schäfer, T., Rabung, Th., Hauser, W., Möri, A., Missana, T., ...

9th Internat.Conf.on Chemistry and Migration behaviour of Actinides and Fission Products in the Geosphere (Migration 03), Gyeongju, Korea, September 21-26, 2003

Results from colloid detection by LIBD, PCS and ICP-MS in the CRR-project. (2003)

Hauser, W., Schäfer, T., Geckeis, H., Götz, R., Geyer, F., Fierz, T., ...

Colloid- and Radionuclide Retardation Project (CRR) Final Workshop, Tokai, J, September 17-18, 2003

Generation of humic and fulvic acid from Callovo-Oxfordian clay under high alkaline conditions. (2003)

Claret, F., Schäfer, T., Bauer, A., Buckau, G.

The Science of the Total Environment, 317(2003) S.189-200

Spectromicroscopic investigations on natural organic matter(NOM)-mineral association in Callovo-Oxfordian argillite and Opalinus clay: impact on stability in high alkaline solution. (2003)

Schäfer, T., Claret, F., Bauer, A., Buckau, G., Fanghänel, Th.

9th Internat.Conf.on Chemistry and Migration behaviour of Actinides and Fission Products in the Geosphere (Migration 03), Gyeongju, Korea, September 21-26, 2003

Natural organic matter (NOM)-clay association in the Callovo-Oxfordian argillite and the Opalinus clay. (2003)

Schäfer, T., Bauer, A., Claret, F., Ferrage, E., Lanson, B.

National Synchrotron Light Source Activity Report for the Period October 1, 2001 through September 30, 2002

Clay-organic association kinetics monitored by C(1s) spectromicroscopy. (2003)

Schäfer, T., Bauer, A., Claret, F., Wirick, S., Jacobsen, C.

National Synchrotron Light Source Activity Report for the Period October 1, 2001 through September 30, 2002

Functional group analysis of natural Gorleben fulvic acid using C(1s) spectra deconvolution. (2003)

Schäfer, T., Artinger, R., Hertkorn, N.

National Synchrotron Light Source Activity Report for the Period October 1, 2001 through September 30, 2002

Analysis of soft X-ray spectrum images based on principal components and clusters. (2003)

Jacobsen, C., Lerotic, M., Feser, M., Schäfer, T., Vogt, S., Maser, J.

National Synchrotron Light Source Activity Report for the Period October 1, 2001 through September 30, 2002

Alkaline conversion of clay organic matter as a potential additional source for humic substances. (2003)

Claret, F., Schäfer, T., Bauer, A., Buckau, G.

In: Buckau, G. [Hrsg.]

Use of HDL code checkers to support the IP entrance check - a requirement analysis (2002)

Frevert, R., Rülke, S., Schäfer, T., Dresig, F.

BioMiner--modeling, analyzing, and visualizing biochemical pathways and networks (2002)

Sirava, M., Schäfer, T., Eiglsperger, M., Kaufmann, M., Kohlbacher, O., Bornberg-Bauer, E., ...

Motivation: Understanding the biochemistry of a newly sequenced organism is an essential task for post-genomic analysis. Since, however, genome and array data grow much faster than biochemical...

Combined AFM and STXM in situ study of the influence of Eu(III) on the agglomeration of humic acid. (2002)

Plaschke, M., Rothe, J., Schäfer, T., Denecke, M.A., Dardenne, K., Pompe, S., ...

Colloids and Surfaces A, 197(2002) S.245-56

Effect of colloidal iron hydroxide transformation on actinide mobility in Gorleben groundwater. (2002)

Schäfer, T., Artinger, R., Dardenne, K., Bauer, A., Kim, J.I.

TrePro 2002 : Modelling of Coupled Transport Reaction Processes ; Workshop of the Forschungszentrum Karlsruhe, March 20-21, 2002

Chemie und Stabilität der Versatzmaterialien. (2002)

Hofmann, H., Bauer, A., Schäfer, T., Rabung, Th., Claret, F., Ferrage, E., ...

Programm Nukleare Sicherheitsforschung. Jahresbericht 2001. Teil 2

Iron oxide/-hydroxide colloid facilitated americium migration in Gorleben groundwater. (2002)

Schäfer, T., Artinger, R., Dardenne, K., Bauer, A.

Programm Nukleare Sicherheitsforschung. Jahresbericht 2001. Teil 2

Characterization of ferrihydrite and Th-hydroxide colloids by laser-induced breakdown detection (LIBD) and asymmetric flow-field flow fractionation (AsymFFFF). (2002)

Bouby, M., Ngo Manh, T., Geckeis, H., Yun, I., Dardenne, K., Schäfer, T., ...

Spring Meeting of the European Materials Research Society, Strasbourg, F, June 18-21, 2002

A kinetic study of Am(III)/humic colloid interactions. (2002)

Artinger, R., Schüssler, W., Schäfer, T., Kim, J.I.

Environmental Science and Technology, 36(2002) S.4358-63

Experimental investigation of the interaction of clays with high-pH solutions: a case study from the Callovo-Oxfordian formation, Meuse-Haute Marne underground laboratory (France). (2002)

Claret, F., Bauer, A., Schäfer, T., Griffault, L., Lanson, B.

Clays and Clay Minerals, 50(2002) S.633-46

Low temperature XAFS investigation on the lutetium binding changes during the 2-line ferrihydrite alteration process. (2002)

Dardenne, K., Schäfer, T., Lindqvist-Reis, P., Denecke, M.A., Plaschke, M., Rothe, J., ...

Environmental Science and Technology, 36(2002) S.5092-99

Smectite stability in acid salt solutions and the fate of Eu, Th and U in solution. (2001)

Bauer, A., Schäfer, T., Dohrmann, R., Hoffmann, H., Kim, J.I.

Clay Minerals, 36(2001) S.93-103

Die Bedeutung von Kolloiden in der aquatischen Umwelt. Ein Beitrag der Arbeitsgruppe Kolloide aus der Wasserchemischen Gesellschaft. (2001)

Hofmann, T., Baumann, T., Bundschuh, T., Kammer, F.von, Leis, A., Schmitt, D., ...

Jahrestagung der Fachgruppe Wasserchemische Gesellschaft in der GDCh, Bad Wildungen, 21.-23.Mai 2001

Identification and characterization of sorbed lutetium species on 2-line ferrihydrite by sorption data modeling, TRLFS and EXAFS. (2001)

Dardenne, K., Schäfer, T., Denecke, M.A., Rothe, J., Kim, J.I.

Radiochimica Acta, 89(2001) S.469-79

Soft X-ray spectromicroscopy investigations of natural organic matter (NOM)-clay interaction in high pH solutions. (2001)

Schäfer, T., Bauer, A., Claret, F., Lanson, B., Wirick, S., Jacobsen, C., ...

79.Jahrestagung der Deutschen Mineralogischen Gesellschaft, Potsdam, 9.-14.September 2001 : Referate der Vorträge und Poster

Size characterization of bentonite colloids by different methods. (2001)

Plaschke, M., Schäfer, T., Bundschuh, T., Ngo Manh, T., Knopp, R., Geckeis, H., ...

Analytical Chemistry, 73(2001) S.4338-47

Combined AFM and STXM in situ study of humic acid agglomeration by Eu(III) complexation. (2001)

Plaschke, M., Rothe, J., Schäfer, T., Denecke, M.A., Dardenne, K., Pompe, S., ...

8th Internat.Conf.on Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere (Migration '01), Bregenz, A, September 16-21, 2001

Iron oxide/-hydroxide colloid facilitated americium migration in Gorleben groundwater. (2001)

Schäfer, T., Artinger, R., Bauer, A., Dardenne, K., Kim, J.I.

8th Internat.Conf.on Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere (Migration '01), Bregenz, A, September 16-21, 2001

Low temperature XAFS investigation on the mineralization of lutetium in the HFO alteration process. (2001)

Dardenne, K., Schäfer, T., Lindqvist-Reis, P., Denecke, M.A., Plaschke, M., Rothe, J., ...

8th Internat.Conf.on Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere (Migration '01), Bregenz, A, September 16-21, 2001

FuE-Arbeiten zur Huminstoff-Radionuklid-Wechselwirkung. (2001)

Marquardt, C.M., Artinger, R., Buckau, G., Dardenne, K., Denecke, M.A., Geckeis, H., ...

5.Projektstatusgespräch zu FuE-Vorhaben auf dem Gebiet der Entsorgung gefährlicher Abfälle in tiefen geologischen Formationen, Leipzig, 15.-16.Mai 2001

Wechselwirkung von Actiniden mit Huminstoffen. (2001)

Marquardt, C.M., Artinger, R., Buckau, G., Dardenne, K., Denecke, M.A., Geckeis, H., ...

Untertägige Entsorgung. Fünftes Statusgespräch zu FuE-Vorhaben auf dem Gebiet der Entsorgung gefährlicher Abfälle in tiefen geologischen Formationen am 15. und 16.Mai 2001 in Leipzig.

Influence of humic colloids on the actinide migration: applicability of laboratory results to natural systems. (2001)

Schüssler, W., Artinger, R., Schäfer, T., Marquardt, C.M., Geckeis, H., Rabung, T., ...

Vortr.: GRS Braunschweig, 20.Februar 2001

Implications of the ALEPH $\tau$-Lepton Decay Data for Perturbative and Non-Perturbative QCD (2000)

Schäfer, T, Shuryak, E V

We use ALEPH data on hadronic $\tau$ decays in order to calculate Euclidean coordinate space correlation functions in the vector and axial-vector channels. The linear combination $V-A$ receives no...

Die Bedeutung von kolloidalen Substanzen im Hinblick auf moderne Sanierungsverfahren. (2000)

Hofmann, T., Jacobs, P., Schäfer, T.

Jahrestagung der Fachgruppe Wasserchemische Gesellschaft in der GDCh, Weimar, 29.-31.Mai 2000

Colloidal stability of inorganic colloids in natural and synthetic groundwater. (2000)

Schäfer, T., Bauer, A., Bundschuh, T., Rabung, T., Geckeis, H., Kim, J.I.

Rammlmair, D. [Hrsg.]

Experimental investigation of the effect of high-pH solutions on the Opalinus Shale and the Hammerschmiede Smectite. (2000)

Taubald, H., Bauer, A., Schäfer, T., Geckeis, H., Satir, M., Kim, J.I.

Clay Minerals, 35(2000) S.515-24

Actinide transport in column experiments: Influence of humic colloids. (2000)

Artinger, R., Schäfer, T., Kim, J.I.

Effects of Humic Substances on the Migration of Radionuclides: Complexation and Transport of Actinides

Soft X-ray spectromicroscopy investigation of colloid particles responsible for groundwater actinide transport. (2000)

Rothe, J., Denecke, M.A., Dardenne, K., Schäfer, T., Pompe, S., Heise, K.H.

3rd Internat.SLS Workshop on Synchrotron Radiation, Applications of Highly Brilliant and Coherent Synchrotron Radiation, Les Diablerets, CH, October 16-20, 2000

Experimental investigation of the effect of high pH solutions on the opalinus shale and the Hammerschmiede clay. (1999)

Bauer, A., Schäfer, T., Geckeis, H., Kim, J.I., Taubald, H.

Conf.of the European Clay Groups Association, Krakow, PL, September 5-9, 1999

Bedeutung kolloidaler und suspendierter Partikel bei der künstlichen Grundwasseranreicherung. (1999)

Hofmann, T., Schäfer, T., Schenk, D., Schöttler, U.

Vom Wasser, 91(1998) S.29-45

Zielorientierte Grundwasserprobenahme für spezielle Fragestellungen. (1999)

Hofmann, T., Schäfer, T., Schenk, D., Schöttler, U.

Jahrestagung der Fachgruppe Wasserchemie in der GDCh, Regensburg, 10.-12.Mai 1999

Abschätzung der Relevanz des Kolloid/Partikeltransports im Bereich anthropogen induzierter hydraulisch/hydrochemischer Schwankungen. (1999)

Schäfer, T., Schenk, D.

5.Kolloquium des Schwerpunktprogramms 'Geochemische Prozesse mit Langzeitfolgen im anthropogen beeinflußten Sickerwasser und Grundwasser' der Deutschen Forschungsgemeinschaft, Bad Herrenalb,...

Transport of particulate matter in groundwater depending on natural and anthropogene hydraulic variations. (1999)

Schäfer, T., Knoke, H., Schenk, D.

Van Brahana, J. [Hrsg.]

Tone und Umweltmineralogie (in Theorie, Anwendung und Praxis). (1999)

Bauer, A., Hofmann, H., Schäfer, T., Dohrmann, R.

Vorlesung, Universität Jena, 29.-31.Oktober 1999

QCD at finite baryon density: instantons and color superconductivity (1998)

Schäfer, T

Thermo-tektonische Entwicklung von Oates Land und der Shackleton Range (Antarktis) basierend auf Spaltspur-Analysen = Thermo-tectonic evolution of Oates Land and the Shackleton Range (Antarctica) based on fission-track-analysis (1998)

Schäfer, T.

Empfehlungen zur computergestützten Aufzeichnung und Auswertung von Polygraphien. (1998)

Penzel, T., Brandenburg, U., Fischer, J., Jobert, M., Kurella, B., Mayer, G., ...

Hybridomas in a bioreactor cascade: modeling and determination of growth and death kinetics. (1996)

Bakker, W.A.M., Schäfer, T., Beeftink, H.H., Tramper, J.

Engineered disulfide bonds in recombinant human interferon-gamma. The impact of the N-terminal helix A and the AB-loop on protein stability (1996)

Waschütza, G., Li, V., Schäfer, T., Schomburg, D., Villmann, C., Zakaria, H., ...

Insertion sites for cysteines with optimal stereochemistry for the formation of unstrained disulfide bridges were identified in recombinant human interferon-gamma (rhu-IFN-gamma) by computer...

Empfehlungen zur Durchführung und Auswertung polygraphischer Ableitungen im diagnostischen Schlaflabor (1993)

Penzel, T., Hajak, G., Hoffmann, R. M., Lund, R., Pollmächer, T., Schäfer, T., ...

Absract (1991)

Grunicke, Hans, Stoeck, Michael, Elsner, J., Seemann, G., Pfeiffer, C., Wegmann, B., ...

Peer Reviewed

Sudden death after one wasp sting (1990)

Schäfer, T., Vieluf, D., Eisenmenger, Wolfgang, Ring, J.

Organic Matter - Clay Interaction in Uranium-rich Argillites from Lodeve Basin (France) with Nano to Micrometer Resolution 2008-07-15 - 2008-07-18

P. Michel, T. Schäfer, M.A. Denecke, B. Brendebach, ...

Poster

Thermostable lipases from the extreme thermophilic anaerobic bacteria Thermoanaerobacter thermohydrosulfuricus SOL1 and Caldanaerobacter subterraneus subsp. tengcongensis

Royter, Marina, Schmidt, M., Elend, C., Höbenreich, H., Schäfer, T., Bornscheuer, U. T., ...

Two novel genes encoding for heat and solvent stable lipases from strictly anaerobic extreme thermophilic bacteria Thermoanaerobacter thermohydrosulfuricus (LipTth) and Caldanaerobacter subterraneus...