Publikationen

Inouhe M, Walther C, Gupta DK (2024): Lithium and Nickel in Plants and Environment,  World Scientific Co. Pte. Ltd., Singapore
ISBN: 978-981-128-311-6

Kumar N, Walther C, Gupta DK (2024): Chromium in Plants and Environment,  Springer, Germany
ISBN: 978-3-031-44028-1

Gupta, D.K., Chatterjee, S., Walther, C. (2020): Lead in Plants and the Environment,  Springer, U.S.A.
ISBN: 978-3-030-21638-2

Gupta DK, Walther C (2019): Uranium in Plants and the Environment,  Springer, U.S.A.
ISBN: 978-3-030-14960-4

Gupta, D.K., Walther, C. (2017): Behaviour of Strontium in Plants and the Environment,  Springer, USA
ISBN: 978-3-319-66573-3

Gupta, D. K., Walther, C. (2016): Impact of Cesium on Plants and the Environment,  Springer, USA
ISBN: 978-3-319-41525-3

Walther, C., Gupta, D.K. (2015): Radionuclides in the Environment: Influence of Chemical Speciation and Plant Uptake on Radionuclide Migration.,  Springer-Verlag, Germany.
ISBN: 978-3-319-22170-0

Gupta, D.K., Walther, C. (2014): Radionuclide contamination and remediation through plants,  Springer-Verlag, Germany
ISBN: 978-3-319-07664-5

Clemens Walther (2011): Actinide Nanoparticle Characterization by Mass Spectrometry,  in Actinide Nanoparticle Research, ed. by S. Kalmykow and M.A. Denecke (Berlin Heidelberg: Springer)

Clemens Walther, (2010): Electrospray Ionisation Ms for Materials of Interest in Nuclear Science and Technology,  in Mass Spectrometry in Nuclear Science and Technology, ed. by S. Aggarwal (München: IANCAS, 2010), pp. 101-14.

Inouhe M, Katsuta Y, Kato A, Kato H, Sakuma Y, Walther C, Joon V, Gupta DK (2024): Different Impacts of Ni2+ and Li+ to Plants and Mycorrhiza Systems: Roles of Bioligands Forming Various Metal-binding Complexes in Cells and Apoplast.,  Inouhe M, Walther C, Gupta DK (Eds.), Lithium and Nickel in Plants and Environment. World Scientific Co. Pte. Ltd., Singapore pp. 139-169.

Darcy van Eerten, Manuel Raiwa, Paul Hanemann, Laura Leifermann, Tobias Weissenborn, Wolfgang Schulz, Martin Weiß, Danielle Ziva Shulaker, Peter Boone, David Willingham, Keenan Thomas, Brian Sammis, Brett Isselhardt, Mike Savina, Clemens Walther (2023): Multi-element isotopic analysis of hot particles from Chornobyl, Journal of Hazardous Materials,  Journal of Hazardous Materials 452 (2023) 131338
DOI: https://doi.org/10.1016/j.jhazmat.2023.131338

Julia Stadler, Manja Vogel, Robin Steudtner, Björn Drobot, Anna L. Kogiomtzidis, Martin Weiss, Clemens Walter (2023): The chemical journey of Europium(III) through winter rye (Secale cereale L.) – Understanding through mass spectrometry and chemical microscopy,  Chemosphere, Volume 313, 2023
DOI: https://doi.org/10.1016/j.chemosphere.2022.137252

Laura Leifermann, Martin Weiss, Ihor Chyzhevskyi, Sergiy Bubchak, Paul Hanemann, Manuel Raiwa, Wolfgang Schulz, Georg Steinhauser, Tobias Weissenborn, Clemens Walther (2023): Localisation, isolation and leaching of single hot particles from various environmental matrices in the vicinity of the Chernobyl nuclear power plant,  Environmental Radiochemical Analysis VII
DOI: 10.1039/9781837670758-00001
ISBN: 978-1-83767-063-5

Maksym Luchkov, Volker Dangendorf, Ulrich Giesen, Frank Langner, Claudia Olaru, Mastaneh Zadehrafi, Annika Klose, Kim Kalmankoski, Johan Sand, Sakari Ihantola, Harri Toivonen, Clemens Walther, Stefan Röttger, Mihail-Razvan Ioan, Juha Toivonen, Faton S. Krasniqi (2023): Novel optical technologies for emergency preparedness and response: mapping contaminations with alpha-emitting radionuclides,  Nuclear Inst. and Methods in Physics Research, A 1047 (2023) 167895
DOI: https://doi.org/10.1016/j.nima.2022.167895

Simon Bittner, Rainer Gellermann, Clemens Walther (2023): The radioecological footprint of electricity production by wind turbines,  Radiation Protection Dosimetry, 2023, 1–12
DOI: https://doi.org/10.1093/rpd/ncad168

Annika Klose, Maksym Luchkov, Volker Dangendorf, Faton Krasniqi, Aaron Lehnert, Clemens Walther (2022): On the way to remote sensing of alpha radiation: radioluminescence of pitchblende samples,  Journal of Radioanalytical and Nuclear Chemistry 331:5401–5410
DOI: https://doi.org/10.1007/s10967-022-08540-6

Manuel Raiwa, Sebastian Büchner, Nina Kneip, Martin Weiß, Paul Hanemann, Polina Fraatz, Maximilian Heller, Hauke Bosco, Felix Weber, Klaus Wendt, Clemens Walther (2022): Actinide imaging in environmental hot particles from Chernobyl by rapid spatially resolved resonant laser secondary neutral mass spectrometry,  Spectrochimica Acta Part B: Atomic Spectroscopy
DOI: https://doi.org/10.1016/j.sab.2022.106377

Marcus Mandel, Linus Holtmann, Manuel Raiwa, Annika Wunnenberg-Gust, Beate Riebe, Clemens Walther (2022): Imaging of I, Re and Tc plant uptake on the single-cell scale using SIMS and rL-SNMS,  Journal of Hazardous Materials 423 (2022) 127143
DOI: https://doi.org/10.1016/j.jhazmat.2021.127143

Paul Hanemann, Stefan Bister, Manuel Raiwa, Sandra Reinhard, Darcy van Eerten, Clemens Walther (2022): Production and characterization of standard particles for rL-SNMS,  Journal of Radioanalytical and Nuclear Chemistry 331, pages 5039–5045
DOI: https://doi.org/10.1007/s10967-022-08600-x

Seidl, R., Drögemüller, C., Krütli, P., & Walther, C. (2022): The role of trust and risk perception in current German nuclear waste management,  Risk Analysis, Article risa.13889. Advance online publication
DOI: https://doi.org/10.1111/risa.13889

Bosco, H.; Hamann, L.; Kneip, N.; Raiwa, M.; Weiss, M.; Wendt, K.; Walther, C. (2021): New horizons in microparticle forensics: Actinide imaging and detection of 238Pu and 242mAm in hot particles,  Science Advances 2021, 7, (44)
DOI: 10.1126/sciadv.abj1175

C. Drögemüller, P. Krütli, K.-J. Röhlig, W. Schulz, R. Seidl, C. Walther (2021): Wissenschaft und Zivilgesellschaft: gemeinsame Forschung zur Entsorgung hoch radioaktiver Abfälle – das Verbundvorhaben TRANSENS,  Strahlenschutzpraxis 03/21, S. 71-77, 27. Jahrgang
ISSN: 0947-434X

Traxler, L.; Wollenberg, A.; Steinhauser, G.; Chyzhevskyi, I.; Dubchak, S.; Großmann, S.; Günther, A.; Gupta, D. K.; Iwannek, K. H.; Kirieiev, S.; Lehmann, F.; Schulz, W.; Walther, C.; Raff, J.; Kothe, E. (2021): Survival of the basidiomycete Schizophyllum commune in soil under hostile environmental conditions in the Chernobyl Exclusion Zone.,  J. Hazard. Mater. 2021, 403, 124002

Gupta, D.K., Vuković, A., Semenishchev, V.S., Inouhe, M., Walther, C. (2020): Uranium accumulation and its phytotoxicity symptoms in Pisum sativum L.,  Environmental Science and Pollution Research
DOI: 10.1007/s11356-019-07068-9

Mitra, A., Chatterjee, S., Voronina, A., Walther, C., Gupta, D.K. (2020): Lead toxicity in plants: A review,  Gupta, D.K., Chatterjee, S., Walther, C. (Eds.), Lead: Its Behaviour in Plants and in Environment. Springer Publication, Germany
ISBN: 978-3-030-21638-2

Chatterjee S, Mitra A, Walther C, Gupta DK (2019): Plant responses under strontium and phytoremediation,  Pathak P, Gupta DK (Eds.), Strontium Contamination in the Environment. Springer Publication, Germany pp. 85-98
DOI: 10.1007/978-3-030-15314-4_5

Gupta DK, Chatterjee S, Mitra A, Voronina A, Walther C (2019): Uranium and plants: Elemental translocation and phytoremediation approaches,  Gupta DK, Walther C (Eds.), Uranium in Plants and the Environment Springer. Publication, Germany pp. 149-162.
DOI: 10.1007/978-3-030-14961-1_7

J.-W. Vahlbruch, C. Walther (2019): Strahlenschutzausbildung in Deutschland - heute und morgen,  Strahlenschutzpraxis 04/19, S. 6-10, 25. Jahrgang
ISSN: 0947-434X

Köhler F, Riebe B, Scheinost AC, König C, Hölzer A, Walther C (2019): Sorption of iodine in soils: insight from selective sequential extractions and X-ray absorption spectroscopy,  Environmental Science and Pollution Research 26:23850-23860
DOI: 10.1007/s11356-019-05623-y

Köhler F, Riebe B, Weller A, Walther C (2019): Determination of iodine mobility in the soil vadose zone using long-term column experiments,  Journal of Radioanalytical and Nuclear Chemistry 322:1755-1760
DOI: 10.1007/s10967-019-06789-y

Schulz W, Gupta DK, Riebe B, Steinhauser G, Walther C (2019): Sorption of radiostrontium on different soils,  Applied Geochemistry 101:103-108.
DOI: 10.1016/j.apgeochem.2019.01.001

Franzmann, M., Bosco, H., Hamann, L., Walther, C., Wendt, K. (2018): Resonant laser – SNMS for spatially resolved and element selective ultra-trace analysis of radionuclides,  Journal of Analytical Atomic Spectrometry Weitere Informationen
DOI: 10.1039/c7ja00423k

Gupta DK., Schulz, W., Steinhauser, G., Walther, C. (2018): Radiostrontium transport in plants and phytoremediation,  Environmental Science and Pollution Research (2018) 25:29996–30008
DOI: 10.1007/s11356-018-3088-6

Gupta, D.K., Tiwari, S., Chatterjee, S., Walther, C. (2018): Potassium and its role in cesium transport in plants,  Biologia (2018) 73:885–896
DOI: 10.2478/s11756-018-0110-x

Lang, A., Engelberg, D., Smith, N.T., Trivedi, D., Horsfall, O., Banford, A., Martin, P. A., Coffey, P., Bower, W. R., Walther, C., Weiß, M., Bosco, H., Jenkins, A., Law, G. T. W. (2018): Analysis of contaminated nuclear plant steel by laser-induced breakdown spectroscopy,  Journal of Hazardous Materials 345 (2018) 114–122
DOI: 10.1016/j.jhazmat.2017.10.064

Mühr-Ebert, E.L., Wagner, F., Walther, C. (2018): Speciation of uranium: Compilation of a thermodynamic database and its experimental evaluation using different analytical techniques,  Applied Geochemistry, Volume 100, January 2019, Pages 213-222 Weitere Informationen
DOI: 10.1016/j.apgeochem.2018.10.006

Tanha, M., Riebe, B., Ikeda-Ohno, A., Schulze, M., Khalid, F., Storai, A., Walther, C. (2018): Environmental radioactivity studies in Kabul and northern Afghanistan,  Journal of Radioanalytical and Nuclear Chemistry, 318(3), 2425-2433 | Datei |
DOI: 10.1007/s10967-018-6242-1

Chatterjee, S., Deb, U., Datta, S., Walther, C., Gupta, D.K. (2017): Common explosive (TNT, RDX, HMX) and their fate in the environment: Emphasizing bioremediation,  Chemosphere, 184: 438-451
DOI: 10.1016/j.chemosphere.2017.06.008

Chatterjee, S., Sarma, M.K., Deb, U., Steinhauser, G., Walther, C., Gupta, D.K. (2017): Mushrooms: from nutrition to mycoremediation,  Environmental Science and Pollution Research, 24:19480-19493
DOI: 10.1007/s11356-017-9826-3

Franzmann, M., Bosco, H., Walther, C., Wendt, K. (2017): A new resonant Laser-SNMS system for environmental ultra-trace analysis: Installation and optimization,  International Journal of Mass Spectrometry, Volume 423, December 2017, Pages 27-32 Weitere Informationen
DOI: 10.1016/j.ijms.2017.10.003

Gupta, D.K., Deb, U., Walther, C., Chatterjee, S. (2017): Strontium in the ecosystem: Transfer in plants via root system,  In: Gupta, D.K., Walther, C. (Eds.), Behaviour of Strontium in Plants and the Environment. Springer Publication, Germany, pp 1-18.
DOI: 10.1007/978-3-319-66574-0_1
ISBN: 978-3-319-66573-3

Gupta, D.K., Tawussi, F., Hölzer A., Hamann, L., Walther, C. (2017): Investigation of low level ²⁴²Pu contamination on nutrition disturbance and oxidative stress in Solanum tuberosum L.,  Environmental Science and Pollution Research 24:16050-16061
DOI: 10.1007/s11356-017-9071-9

Pönitz, E., Walther, C. (2017): Calculation of dose rates at the surface of storage containers for high-level radioactive waste,  Radiation Protection Dosimetry (2017) pp. 1-12
DOI: 10.1093/rpd/ncx054

Schneider, S., Bister, S., Christl, M., Hori, M., Shozugawa, K., Synal, H.-A., Steinhauser, G., Walther, C. (2017): Radionuclide pollution inside the Fukushima Daiichi exclusion zone, part 2: Forensic search for the “Forgotten” contaminants Uranium-236 and plutonium,  Applied Geochemistry, Volume 85, Part B, October 2017, Pages 194-200
DOI: 10.1016/j.apgeochem.2017.05.022

Tanha, M. R., Vahlbruch, J.-W., Riebe, B., Irlinger, J., Rühm, W., Khalid, F. R., Storai, A., Walther, C. (2017): Measurements in Afghanistan using an active Radon exposure meter and assessment of related annual effective dose,  Radiat Prot Dosimetry 1-9.
DOI: 10.1093/rpd/ncx086

Tawussi, F., Gupta, D.K., Muhr-Ebert, E.L., Schneider, S., Bister, S., Walther, C. (2017): Uptake of Plutonium-238 into Solanum tuberosum L. (Potato plants) in presence of complexing agent EDTA,  Journal of Environment Radioactivity 178-179; 186-192
DOI: 10.1016/j.jenvrad.2017.08.007

Tawussi, F., Walther, C., Gupta, D.K. (2017): Does low uranium concentration generates phytotoxic symptoms in Pisum sativum L. in nutrient medium?,  Environmental Science and Pollution Research, 24:22741-22751
DOI: 10.1007/s11356-017-0056-5

Walther, C., Riemann, M. (2017): Wie viel Strahlendosis für wen? Lange Lagerung, Offenhaltung und ein langer Entsorgungsprozess bedeuten zusätzliche Dosis für Beschäftigte,  GAiA - Ökologische Perspektiven für Wissenschaft und Gesellschaft 26/2 (2017) 106-109
DOI: 10.14512/gaia.26.2.11

A. Daraoui, B. Riebe, C. Walther, H. Wershofen, C. Schlosser, C. Vockenhuber, H.-A. Synal (2016): Concentrations of iodine isotopes (¹²⁹I and ¹²⁷I) and their isotopic ratios in aerosol samples from Northern Germany,  Journal of Environmental Radioactivity 154, 101 - 108
DOI: 10.1016/j.jenvrad.2016.01.021

A. Daraoui, L. Tosch, M. Gorny, R. Michel, I. Goroncy, J. Herrmann, H. Nies, H.-A. Synal, V. Alfimov, C. Walther (2016): Iodine-129, Iodine-127 and Cesium-137 in seawater from the North Sea and the Baltic Sea,  Journal of Environmental Radioactivity 162-163 (2016), 289-299
DOI: 10.1016/j.jenvrad.2016.06.006

Alfatih A.A. Osman, Stefan Bister, Beate Riebe, Abdelouahed Daraoui, Christof Vockenhuber, Lukas Wacker, Clemens Walther (2016): Radioecological investigation of ³H, ¹⁴C, and ¹²⁹I in natural waters from Fuhrberger Feld catchment, Northern Germany,  Journal of Environmental Radioactivity, Volume 165, December 2016, Pages 243–252
DOI: 10.1016/j.jenvrad.2016.10.011

C. Walther (2016): Nuklearchemie – Aktivität ist Programm,  Angewandte Chemie, 20 June 2016 Weitere Informationen
DOI: 10.1002/ange.201604045

C. Walther, P. Brozynski, S. Dubchak (2016): Tschernobyl – 30 Jahre danach,  Physik Journal 15 (2016) 31-37

Gupta, D.K., Chatterjee, S., Dutta, S., Voronina, A.V, Walther, C. (2016): Radionuclides: Accumulation and transport in plants,  Reviews of Environmental Contamination and Toxicology, 398:1-22
DOI: 10.1007/398_2016_7

Gupta, D.K., Tawussi, F., Hamann, L., Walther, C. (2016): Moderate uranium disturbs the nutritional status and induces oxidative stress in Pisum sativum L.,  Journal of Plant Physiology and Pathology 4:1
DOI: 10.4172/2329-955X.1000143

K. Shozugawa, B. Riebe, C. Walther, A. Brandl, G. Steinhauser (2016): Fukushima-derived radionuclides in sediments of the Japanese Pacific Ocean coast and various Japanese water samples (seawater, tap water, and coolant water of Fukushima Daiichi reactor unit 5),  Journal of Radioanalytical and Nuclear Chemistry 307 (2016) 1787-1793 | Datei |

N. l. Banik, V. Vallet, F. Real, R. M. Belmecheri, B. Schimmelpfennig, J. Rothe, R. Marsac, P. Lindqvist-Reis, C. Walther, M. A. Denecke and C. M. Marquardt (2016): First structural characterization of Pa(IV) in aqueous solution and quantum chemical investigations of the tetravalent actinides up to Bk(IV): the evidence of a curium break,  Dalton Transactions, 2016, 45, 453-457
DOI: 10.1039/C5DT03560K

N.Casacuberta, P.Masqué, G.Henderson, M.Rutgers van-der-Loeff, D.Bauch, C.Vockenhuber, A.Daraoui, C.Walther, H.-A.Synal, M.Christl (2016): First ²³⁶U data from the Arctic Ocean and use of ²³⁶U/²³⁸U and ¹²⁹I/²³⁶U as a new dual tracer,  Earth and Planetary Science Letters 440 (2016) 127-134
DOI: 10.1016/j.epsl.2016.02.020

Nidhu lal Banik, Valérie Vallet, Florent Réal, Réda Mohamed Belmecheri, Bernd Schimmelpfennig, Jörg Rothe, Rémi Marsac, Patric Lindqvist-Reis, Clemens Walther, Melissa A. Denecke and Christian M. Marquardt (2016): First structural characterization of Pa(IV) in aqueous solution and quantum chemical investigations of the tetravalent actinides up to Bk(IV): the evidence of a curium break,  Dalton Transactions, Volume: 45, Issue: 2, Pages: 453-457
DOI: 10.1039/c5dt03560k

W. Schulz, C. Fournier, J.-W. Vahlbruch, C. Walther (2016): IonLab - a remote-controlled experiment for academic and vocational education and training on extraction chromatography and ion exchange,  Radiochimica Acta, Band 104, Heft 10 (Okt 2016)
DOI: 10.1515/ract-2016-2588

Walther C., Steppert M. (2016): Chemical speciation of radionuclides in solution,  Nuclear- and Radiochemistry Volume 2: Modern Applications (Herausgeber Frank Rösch), de Gruyter, Germany
ISBN: 978-3-11-022185-5

E. De Visser-Týnová, G. Ménard, E. L. Ebert, G. Modolo, M. Cheng, C. Walther, K. V. Mareš, J. John, A. Geist (2015): Dissolution Behavior of Inert Matrix Fuels,  Proceedings of TopFuel 2015, Zurich, Switzerland, 09/13/2015 – 09/17/2015

Georg Steinhauser, Tamon Niisoe, Kouji H. Harada, Katsumi Shozugawa, Stephanie Schneider, Hans-Arno Synal, Clemens Walther, Marcus Christl, Kenji Nanba, Hirohiko Ishikawa, and Akio Koizumi (2015): Post-Accident Sporadic Releases of Airborne Radionuclides from the Fukushima Daiichi Nuclear Power Plant Site,  Environ. Sci. Technol. 2015, 49, 14028−14035
DOI: 10.1021/acs.est.5b03155

Inouhe, M., Sakuma, Y., Chatterjee, S., Jagetiya, B., Voronina, A.V., Walther, C., Gupta, D.K. (2015): General roles of phytochelatins and other peptides in plant's defense mechanisms against oxidative stress/primary and secondary damages induced by heavy metals.,  In: Gupta, D.K., Palma, J.M., Corpas, F.J. (Eds.), Reactive oxygen species and oxidative damage in plants under stress. Springer Publication, Germany, pp. 219-245.

Jan Tits, Clemens Walther, Thorsten Stumpf, Nathalie Macéa, Erich Wieland (2015): A luminescence line-narrowing spectroscopic study of the uranium(VI) interaction with cementitious materials and titanium dioxide,  Dalton Trans., 2015,44, 966-976
DOI: 10.1039/C4DT02172J

Luis Iglesias, Clemens Walther, Francisco Medina, Alex Hölzer, Andreas Neumann, M. Janeth Lozano-Rodriguez, Mayra G. Álvarez, Natallia Torapava (2015): A comprehensive study on iodine uptake by selected LDH phases via coprecipitation, anionic exchange and reconstruction,  J. Radioanal. Nucl. Chem., received: 2 December 2014
DOI: 10.1007/s10967-015-4285-0

M. Christl, N. Casacuberta, J. Lachner, S. Maxeiner, C. Vockenhuber, H.-A. Synal, I. Goroncy, J. Herrmann, A. Daraoui, C. Walther, R. Michel (2015): Status of ²³⁶U analyses at ETH Zurich and the distribution of ²³⁶U and ¹²⁹I in the North Sea in 2009,  Nuclear Instruments and Methods in Physics Research Section B: Beam Interaction with Materials and Atom
DOI: 10.1016/j.nimb.2015.01.005

S. Bister, J. Birkhan, T. Lüllau, M. Bunka, A. Solle, C. Stieghorst, B. Riebe, R. Michel, C. Walther (2015): Impact of former uranium mining activities on the floodplains of the Mulde River, Saxony, Germany,  Journal of Environmental Radioactivity 144 (2015) 21-31
DOI: 10.1016/j.jenvrad.2015.02.024

A. Daraoui, M. Gorny, B. Riebe, C. Walther, C. Vockenhuber, H-A. Synal (2014): Atmospheric input of 129-iodine at the Zugspitze - Determination of I-129 at high altitude Alp station Zugspitze in Germany,  Ion Beam Physics, ETH Zurich. Annual report 2014 Weitere Informationen

A. Daraoui, M. Schwinger, M. Gorny, B. Riebe, C. Walther, C. Vockenhuber, H-A. Synal (2014): Iodine-129 in enviromental samples - Inventories, input and transport of iodine isotopes in Germany,  Ion Beam Physics, ETH Zurich. Annual report 2014 Weitere Informationen

C. König, C. Drögemüller, B. Riebe, C. Walther (2014): Remediation of TENORM residues: risk communication in practice,  J. Radiol. Prot. 34, 575-593
DOI: 10.1088/0952-4746/34/3/575

C. Walther, H. Wershofen (2014): Radioökologische Beobachtungen bei der Spurenmessung und dosimetrische Bewertung radioaktiver Spuren in der Luft,  PTB-Mitteilungen 124 (2014), Heft 1

D.K. Gupta, S. Chatterjeeb, S. Dattab, V. Veerb, C. Walther (2014): Role of phosphate fertilizers in heavy metal uptake and detoxification of toxic metals,  Chemosphere, 108:134-144
DOI: 10.1016/j.chemosphere.2014.01.030

Mitra, A., Chatterjee, S., Veer, V., Datta, S., Sharma S., Razafindrabe, B.H.M., Walther, C., Gupta, D.K. (2014): Mechanism of metal transporters in plants,  In: Gupta, D.K., Chatterjee, S. (Eds.), Heavy Metal Remediation: Transport and Accumulation in Plants. Nova Science Publishers, NY, USA

A. Daraoui, M. Schwinger, B. Riebe, C. Walther, C. Vockenhuber, H-A. Synal (2013): Iodine-129 in aerosols from Germany – Use of AMS for determination of monthly concentration of ¹²⁹I in air,  Ion Beam Physics, ETH Zurich. Annual report 2013 Weitere Informationen

C. Walther, M. A. Denecke (2013): Actinide Colloids and Particles of Environmental Concern,  Chemical Reviews, Article ASAP
DOI: 10.1021/cr300343c

Michael Steppert, Clemens Walther (2013): Mass spectrometric characterization and quantification of Pu(VI) hydrolysis products,  Radiochimica Acta, 101, 307–311
DOI: 10.1524/ract.2013.2033

Moritz Schmidt, Stephanie Heck, Dirk Bosbach, Steffen Ganschow, Clemens Walther and Thorsten Stumpfa (2013): Characterization of powellite-based solid solutions by site-selective time resolved laser fluorescence spectroscopy,  Dalton Trans., 2013,42, 8387-8393
DOI: 10.1039/C3DT50146A

St. Schneider, C. Walther, St. Bister, V. Schauer, M. Christl, H.-A. Synal, K. Shozugawa, G. Steinhauser (2013): Plutonium release from Fukushima Daiichi fosters the need for more detailed investigations,  Scientific Reports 3, Article number: 2988
DOI: 10.1038/srep02988

Clemens Walther, Jörg Rothe, Bernd Schimmelpfennig and Markus Fuss (2012): Thorium nanochemistry: the solution structure of the Th(IV)–hydroxo pentamer,  Dalton Trans., 2012, 41, 10941-10947
DOI: 10.1039/C2DT30243H

Jörg Rothe, Sergei Butorin, Kathy Dardenne, Melissa A. Denecke, Bernhard Kienzler, Matthias Löble, Volker Metz, Alice Seibert, Michael Steppert, Tonya Vitova, Clemens Walther und Horst Geckeis (2012): The INE-Beamline for actinide science at ANKA,  Review of Scientific Instruments, 83, 043105.

K. S. Holliday, C. Babelot, Clemens Walther, S. Neumeier, Dirk Bosbach, and Th. Stumpf (2012): Site-Selective Time Resolved Laser Fluorescence Spectroscopy of Eu and Cm Doped LaPO₄,  Radiochim. Acta available online

Kiel Holliday, Kathy Dardenne, Clemens Walther, and Thorsten Stumpf, (2012): The Incorporation of Europium into Apatite: A New Explanation,  Angewandte Chemie Int. Ed. submitted.

Kiel Holliday, Sarah Finkeldei, Stefan Neumeier, Clemens Walther, Dirk Bosbach, and Thorsten Stumpf, (2012): TRLFS of Eu³⁺ and Cm³⁺ Doped La₂Zr₂O₇: A Comparison of Defect Fluorite to Pyrochlore Structures,  Journal of Solid State Chemistry. submitted.

Kiel Holliday, Stephanie Handley-Sidhu, Kathy Dardenne, Joanna Renshaw, Lynne Macaskie, Clemens Walther, and Thorsten Stumpf, (2012): A New Incorporation Mechanism for Trivalent Actinides into Bioapatite: A TRLFS and EXAFS Study,  Langmuir, 28 3845-51.

M. Raiwa, A. Daraoui, M. Schwinger, M. Gorny, C. Walther, M. Christ, C. Vockenhuber, H-A. Synal (2012): Anthropogenic iodine-129 in the Arctic Ocean –Distribution of ¹²⁹I in the depth profiles and surface water of the Arcticy,  Ion Beam Physics, ETH Zurich. Annual report 2012 Weitere Informationen

M. Schwinger, A. Daraoui, B. Riebe , C. Walther, C. Vockenhuber, H-A. Synal (2012): Iodine in German soils- Values decrease with depth and also vary with the regions,  Ion Beam Physics, ETH Zurich. Annual report 2012 Weitere Informationen

Michael Steppert, Ivana Císařová, Thomas Fanghänel, Andreas Geist, Patric Lindqvist-Reis, Petra Panak, Petr Štěpnička, Sascha Trumm, Clemens Walther, (2012): Complexation of Europium(III) by Bis(dialkyltriazinyl)bipyridines in 1-Octanol,  Inorganic Chemistry, 51, 591-600

Michael Steppert, Clemens Walther, Markus Fuss, Sebastian Büchner (2012): On the Hydrolysis of Hexavalent Uranium. An Electrospray Mass-Spectrometry Study,  Rapid Communications in Mass Spectrometry, 26, 583–591

A. Daraoui, M. Schwinger, M. Gorny, B. Riebe, C. Walther, C. Vockenhuber, H-A. Synal (2011): ¹²⁹I in Germany –Analyses of precipitation and surface waters in Germany,  Ion Beam Physics, ETH Zurich. Annual report 2011 Weitere Informationen

Peter Mandaliev, Thorsten Stumpf, Jan Tits, Rainer Dähn, Clemens Walther and Erich Wieland, (2011): Uptake of Eu(III) by 11 Å Tobermorite and Xonotlite: A TRLFS and EXAFS Study,  Geochimica et Cosmochimica Acta, 75, 2017-2029

J. Lutzenkirchen, T. Kupcik, M. Fuss, C. Walther, A. Sarpola, and O. Sundman, (2010): Adsorption of Al-13-Keggin Clusters to Sapphire C-Plane Single Crystals: Kinetic Observations by Streaming Current Measurements,  Applied Surface Science, 256 5406-11.

M. Icker, C. Walther, V. Neck and H. Geckeis, (2010): The redox potential of Pu containing acidic solutions and the fate of Pu(IV)-colloids - direct measurement versus optical absorption spectroscopy,  IOP Conf. Ser.: Mater. Sci. Eng. 9 1–10

M. Marques, T. Stumpf, B. Baeyens, C. Walther, and M.H. Bradbury, (2010): Spectroscopic Identification of Ternary Cm-Carbonate Surface Complexes,  Env. Sci. Tec., 44 921-27.

M. Schmidt, T. Stumpf, C. Walther, H. Geckeis and T. Fanghänel, (2010): Phase transformation in CaCO₃ polymorphs: a spectro-scopic, microscopic and diffraction study,  J. Coll. Interf. Sci. 351 50–56

Moritz Schmidt, Thorsten Stumpf, Clemens Walther, Horst Geckeis, and Thomas Fanghänel, (2010): Phase Transformation in Caco3 Polymorphs: A Spectro-Scopic, Microscopic and Diffraction Study,  J. Coll. Interf. Sci., 351 50-56.

C. Walther and W. Hauser (2009): Influence of laser beam characteristics and focusing optics on optical laser-induced breakdown detection.,  Appl. Phys. B 97, 877–886

C. Walther, J. Rothe, B. Brendebach, M. Fuss, M. Altmaier, C. Marquardt, S. Büchner, H.R. Cho and J.I. Yun, (2009): New insights in the formation processes of Pu(IV) colloids.,  Radiochim. Acta 97, 199–207

C. Walther, J. Rothe, M. Fuss and S. Büchner (2009): A link between the oxidation states? Colloids and mixed-valence polymers of plutonium in aqueous solution.,  Actinide Research Quarterly 17, 19–22

C. Walther, M. Fuss, S. Büchner and H. Geckeis, (2009): Stability of Th(IV) polymers measured by electrospray mass spectrometry and laser-induced breakdown detection.,  J. Radioanal. Nucl. Chem. 282 1003–1008

J. Rothe, C. Walther, B. Brendebach, S. Büchner, M. Fuss, M. Denecke and H. Geckeis, (2009): A combined XAFS, ESI TOF-MS and LIBD study on the formation of polynuclear Zr(IV), Th(IV) and Pu(IV) species.,  Journal of Physics: Conference Series 190 012188

M. Freyer, C. Walther, T. Stumpf, G. Buckau and T. Fanghänel, (2009): Formation of Cm Humate Complexes in aqueous solution at pHC 3 to 5.5: The role of fast interchange.,  Radiochim Acta 97 547–558

M. Schmidt, T. Stumpf, C. Walther, H. Geckeis and T. Fanghänel, (2009): Incorporation versus adsorption: Substitution of Ca²⁺ by Eu³⁺ and Cm³⁺ in aragonite and gypsum.,  Dalton. Trans. 33 6645–6650
DOI: 10.1039/B822656C

M. Steppert, C. Walther, A. Geist and T. Fanghänel, (2009): Direct nano ESI time-of-flight mass spectrometric investigations on lanthanide BTP complexes in the extraction-relevant diluent 1-octanol.,  New J. Chem. 33 2437–2442
DOI: 10.1039/B9NJ00371A

P. Lindqvist-Reis, C. Walther, R. Klenze and N.M. Edelstein, (2009): Optical Spectra and Crystal-Field Levels of [Cm(H₂O)₉]³⁺ Ions with C₃h Symmetry in Isotypic Rare-Earth Triflate and Ethyl Sulfate Salts.,  J. Phys. Chem. C 113 449–458

A. Delos, C. Walther, T. Schäfer and S. Büchner (2008): Laser-induced breakdown detection for the quantification of colloid size dispersion effects and colloid mediated radionuclide migration in a synthetic porous media,  J. Coll. Int. Sci. 324/1-2 212–215

C. Walther (2008): From Hydrolysis to the Formation of Colloids -Polymerization of Tetravalent Actinide Ions, Habilitation,  Technical Report 7442, FZK

C. Walther, M. Fuss and S. Büchner (2008): Formation and hydrolysis of polynuclear Th(IV) complexes - a nano-electrospray mass-spectrometry study.,  Radiochim. Acta 96 411–425

M. Filella, E. Balnois, M. Dai, M. Hassell¨ov, F.v.d. Kammer, D. Lawler, J.L. Loizeau, D. Perret, P. Ross´e, P. Schurtenberger, J. Tobiason and C. Walther, (2008): Particle size measurement - a practical guide.,  Water Research submitted

M. Schmidt, T. Stumpf, M.M. Fernandes, C. Walther and T. Fanghänel, (2008): Charge compensation in solid solutions.,  Angew. Chem. Int. Ed. 47 5846–5850

M.M. Fernandes, M. Schmidt, T. Stumpf, C. Walther, D. Bosbach, R. Klenze and T. Fanghänel (2008): Site-selective time resolved laser fluorescence spectroscopy of Eu3+ doped calcite.,  J. Coll. Interf. Sci. 321 323–331

N. Finck, T. Stumpf, C. Walther and D. Bosbach, (2008): TRLFS characterization of Eu(III)-doped synthetic organo-hectorite,  J. Cont. Hydr. 102 253–262

S. Stumpf, T. Stumpf, J. Lützenkirchen, C. Walther and T. Fanghänel, (2008): Immobilization of trivalent actinides by sorption onto quartz and incorporation into siliceous bulk: Investigations by TRLFS.,  J. Coll. Int. Sci. 318 5–14

C. Walther, H.R. Cho, C.M. Marquardt, V. Neck, A. Seibert, J.I. Yun and T. Fanghänel, (2007): Hydrolysis of plutonium(IV) in acidic solutions: No effect of hydrolysis on absorption-spectra of mononuclear hydroxide complexes,  Radiochim. Acta 95 7–16

C. Walther, J. Rothe, M. Fuss, S. Büchner, S. Koltsov and T. Bergmann, (2007): Investigation of polynuclear Zr-hydroxide complexes by nano-electrospray mass-spectrometry combined with XAFS,  Anal. Bioanal. Chem. 388 409–431

J.I. Kim and C. Walther, (2007): Laser-induced breakdown detection,  in Edt.: J. Lead and K. Wilkinson, Environmental colloids and particles: Behaviour, separation and characterisation, Vol. 10 of IUPAC series on Analytical and Physical Chemistry of Environmental Systems, pages 555–612. John Wiley & Sons, West Sussex

J.I. Yun, H.R. Cho, V. Neck, M. Altmaier, A. Seibert, C.M. Marquardt, C. Walther and T. Fanghänel, (2007): Investigation of the hydrolysis of plutonium(IV) by a combination of spectroscopy and redox potential measurements,  Radiochim. Acta 95 89–96

T. Stumpf, H. Curtius, C. Walther, K. Dardenne, K. Ufer and T. Fanghänel, (2007): Incorporation of Eu(III) into hydrotalcite: A TRLFS and EXAFS study,  Env. Sci. Tech. 41 3186–3191

C. Walther, S. Büchner, M. Filella and V. Chanudet (2006): Probing particle size distributions in natural surface waters from 15nm to 2μm by a combination of LIBD and single particle counting,  J. Coll. Interf. Sci. 301 532–537

S. Stumpf, T. Stumpf, C. Walther, D. Bosbach and T. Fanghänel, (2006): Sorption of Cm(III) onto different feldspar surfaces: a TRLFS study,  Radiochim. Acta 94 243–248

T. Stumpf, M.M. Fernandes, C. Walther, K. Dardenne and T. Fanghänel, (2006): Structural characterization of Am incorporated into calcite: A TRLFS and EXAFS study,  J. Coll. Interf. Sci. 302 240–245

C.M. Marquardt, P.J. Panak, C. Walther, R. Klenze and T. Fanghänel (2005): Fluorescence spectroscopy of protactinium(IV),  in Edt.: I. May, R. Alvarez and N. Bryan, Recent Advances in Actinide Science, Vol. 305, pages 776–778, Manchester. RCS Publishing, Cambridge, UK

H.R. Cho, C. Walther, J. Rothe, V. Neck, M.A. Denecke, K. Dardenne and T. Fanghänel, (2005): Combined LIBD and EXAFS investigation of the formation and structure of Zr(IV) colloids.,  Anal. Bioanal. Chem. 383 28–40 (2005)

H.R. Cho, C.M. Marquardt, V. Neck, A. Seibert, C. Walther, J.I. Yun and T. Fanghänel, (2005): Redox behavior of plutonium(IV) in acidic solutions,,  in Edt.: I. May, R. Alvarez and N. Bryan, Recent Advances in Actinide Science, Vol. 305, pages 602–604, Manchester (2005). RCS Publishing, Cambridge, UK

K. Hansen, A. Herlert, L. Schweikhard, M. Vogel and C. Walther, (2005): The dissociation energy of V + 13 and the consequences for radiative cooling,  Europ. Phys. J. D 34 67–71

P. Lindqvist-Reis, C.Walther, R. Klenze, A. Eichhöfer and T. Fanghänel, (2005): Large ground-state and excited-state crystal field splitting of 8-fold-coordinate Cm³⁺ in [Y(H₂O)₈]Cl₃·15-crown-5,  J. Chem. Phys. 110 5279–5285

C. Walther, H.R. Cho and T. Fanghänel, (2004): Measuring multimodal size distributions of aquatic colloids at trace concentrations,  Appl. Phys. Lett. 85 6329–6331

C.M. Marquardt, P.J. Panak, C. Apostolidis, A. Morgenstern, C. Walther, R. Klenze and T. Fanghänel, (2004): Fluorescence spectroscopy on protactinium(IV) in aqueous solution,  Radiochim. Acta 92 445–447

J. Rothe, C. Walther, M.A. Denecke and T. Fanghänel, (2004): XAFS and LIBD investigation of the formation and structure of colloidal Pu(IV) hydrolysis products,  Inorg. Chem. 43 4708–4718

M. Bouby, H. Geckeis, T.N. Manh, J.I. Yun, K. Dardenne, T. Schäfer, C. Walther and J.I. Kim, (2004): Laser-induced breakdown detection combined with asymmetrical flow field-flow fractionation: application to iron oxy/hydroxide colloid characterization,  J. Chromat. A 1040 97–104

T. Stumpf, J. Tits, C. Walther and T. Fanghänel, (2004): Uptake of trivalent actinides (Cm(III)) by hardened cement paste: A time-resolved laser fluorescence spectroscopy study,  J. Coll. Interf. Sci. 276 118–124

C. Bitea, C. Walther, J.I. Kim, H. Geckeis, T. Rabung, F.J. Scherbaum and D. Cacuci, (2003): Time resolved observation of ZrO2-colloid agglomeration,  Coll. Surf. A 215 55–66

C. Bitea, R. Müller, V. Neck, C. Walther and J.I. Kim, (2003): Study of the generation and stability of thorium(IV) colloids by LIBD combined with ultrafiltration,  Coll. Surf. A 217 63–70

C. Walther, (2003): Comparision of colloid investigations by single particle analytical techniques - a case study on thorium-oxyhydroxides,  Coll. Surf. A, invited 217 81–92

C. Walther, W. Hauser, H. Geckeis and T. Fanghänel, (2003): Die Laser-Induzierte Breakdown Detektion zur Analytik von aquatischen Kolloiden im Ultraspurenbereich,  FZK Nachrichten 35 179–184

C. Walther, C. Bitea, W. Hauser, J.I. Kim and F.J. Scherbaum, (2002): Laser-induced breakdown detection for the assessment of colloid mediated radionuclide migration,  Nucl. Instr. Meth. B 195 374–388

M. Vogel, K. Hansen, A. Herlert, L. Schweikhard and C. Walther, (2002): The influence of internal degrees of freedom on the unimolecular decay of the molecule-cluster compound Au⁸⁺CH₃OH,  J.Chem. Phys. 116 9658

U. Rieth, A. Herlert, J.V. Kratz, L. Schweikhard, M. Vogel and C. Walther, (2002): Ion-molecule reactions of Ru+ and Os+ with oxygen in a Penning Trap,  Radiochim. Acta 90 337–343

C. Walther, A. Herlert, J.I. Kim, F.J. Scherbaum, L. Schweikhard and M. Vogel, (2001): Absolute cross-sections for the nonresonant multi-photon ionization of toluene and xylene in the gas phase,  Chem. Phys. 265 243–250

S. Krückeberg, L. Schweikhard, J. Ziegler, G. Dietrich, K. Lützenkirchen and C. Walther, (2001): Decay pathways and dissociation energies of copper clusters Cun+ (2 - 25) Cun2+ (15 -25),  J. Chem. Phys 114 2955–2962

A. Herlert, S. Krückeberg, L. Schweikhard, M. Vogel and C. Walther, (2000): Electron impact ionisation / dissociation of size-selected gold cluster cations,  J. El. Spectros. Relat. Phenom 106 179–186

C. Walther, J.V. Kratz, K. Lutzenkirchen and L. Schweikhard, (2000): Similarities and differences between nuclei and metal clusters,  Proceedings of the 7th International Conference on Clustering Aspects of Nuclear Structure and Dynamics 402–404

G. Dietrich, S. Krückeberg, K. Lützenkirchen, L. Schweikhard and C. Walther, (2000): The interaction of gold clusters with methanol: Infrared photodissociation of mass-selected Aun+(CH3OH)m,  J. Chem. Phys. 112 752–760

J. Ziegler, G. Dietrich, S. Krückeberg, K. Lützenkirchen, L. Schweikhard and C. Walther, (2000): Multicollision-induced dissociation of multiply charged gold clusters Aun2+ n = 7 - 35 and Aun3+ n = 19 - 35,  Int. J. Mass Spectrom. 202 47–54

S. Krückeberg, L. Schweikhard, G. Dietrich, K. Lützenkirchen, C. Walther and J. Ziegler, (2000): Decay pathway determination of even-size dicationic silver clusters by collision induced dissociation Ag162+ and Ag182+ revisited by pre-precursor selection and sequential decay,  Chem. Phys. 262

A. Herlert, S. Krückeberg, L. Schweikhard, M. Vogel and C. Walther, (1999): First observation of doubly charged negative gold cluster ions,  PhysicaScripta T 80 200–202

C. Walther, G. Dietrich, W. Dostal, K. Hansen, S. Krückeberg, K. Lützenkirchen and L. Schweikhard, (1999): Radiative cooling of a small metal cluster: The case of V13+,  Phys. Rev. Lett 83 3816–3819

C. Walther, G. Dietrich, W. Dostal, S. Krückeberg, K. Lützenkirchen and L. Schweikhard, (1999): The temperature dependence of photoabsorption of V13+,  Eur. Phys. J. D 9 455–459

H. Weidele, D. Kreisle, E. Recknagel, S. Becker, H.J. Kluge, M. Lindinger, L. Schweikhard and C. Walther, (1999): Thermionic electron emission of small tungsten cluster anions on the millisecond time scale,  J. Chem. Phys. 110 8754–8766

H. Weidele, M. Vogel, A. Herlert, S. Krückeberg, P. Lievens, R. Silverans, L. Schweikhard and C. Walther, (1999): Decay pathways of stored metal cluster anions after collisional activation,  Eur. Phys. J. D 9 173–177

L. Schweikhard, A. Herlert, S. Krückeberg, M. Vogel and C. Walther, (1999): Electronic effects in the production of dianionic gold clusters by electron attachment onto stored Aun-.,  Phil. Mag. B 79 1343–1352

L. Schweikhard, S. Krückeberg, K. Lützenkirchen and C. Walther, (1999): The Mainz cluster trap,  Eur. Phys. J. D 9 15–20

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1999): Fission barriers of doubly charged silver clusters,  Eur. Phys. J. D 9 145–148

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1999): Observation of electronic and geometric shell structures of small silver clusters,  Eur. Phys. J. D 9 169–172

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1999): Experimental dissociation energies of metal cluster dications and their interpretation in a liquid drop model with empirical corrections,  Phys. Rev. A 60 1251–1257

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1999): Multiple-collision induced dissociation of trapped silver clusters Agn+ 2 - 25,  J. Chem.Phys. 110 7216–7227

J. Ziegler, G. Dietrich, S. Krückeberg, K. Lützenkirchen, L. Schweikhard and C. Walther, (1998): Dissociation pathways of doubly and triply charged gold clusters,  Hyp. Int. 115 171–179

R. Rousseau, G. Dietrich, S. Krückeberg, K. Lützenkirchen, D. Marx, L. Schweikhard and C. Walther, (1998): Probing cluster structures with sensor molecules: methanol adsorbed onto gold clusters,  Chem. Phys. Lett 295 41–46

U. Hild, G. Dietrich, S. Krückeberg, M. Lindinger, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1998): Time resolved photofragmentation of stored silver clusters Agn+ (n = 8 to 21),  Phys. Rev. A 57 2786–2793

L. Schweikhard, G. Dietrich, S. Krückeberg, K. Lützenkirchen, C. Walther and J. Ziegler, (1997): Collision induced dissociation of doubly charged stored metal cluster ions,  Rap. Comm. Mass. Spec. 11 1592–1595

L. Schweikhard, G. Dietrich, U. Hild, S. Krückeberg, K. Lützenkirchen and C. Walther, (1997): Pulsed photodissociation in an ICR trap: Extending the time range for unimolecular dissociation studies of metal clusters,  Rapid. Commun. Mass Spectrom 11 1624–1626

M. Lindinger, K. Dasgupta, G. Dietrich, S. Krückeberg, S. Kuznetsov, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1997): Time resolved photofragmentation of Aun+ and Agn+ clusters,  Z. Phys. D 40 347–350

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1997): Low-energy decay pathways of doubly charged silver clusters Agn2+ 9 · n · 24,  Z. Phys. D 40 341–344

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1997): Collision induced dissociation of doubly charged silver clusters Agn2+ n = 21 22 23,  Hyp. Int. 108 107–114

S. Krückeberg, P. Beiersdorfer, G. Dietrich, K. Lützenkirchen, L. Schweikhard and C. Walther (1997): First observation of multiply charged vanadium clusters in a Penning trap,  Rapid. Commun. Mass Spectrom. 11 455–458

C. Walther, G. Dietrich, M. Lindinger, K. Lützenkirchen, L. Schweikhard and J. Ziegler, (1996): Time resolved photofragmentation of Au15+,  Chem. Phys. Lett 256 77–82

C. Walther, G. Dietrich, M. Lindinger, K. Lützenkirchen, L. Schweikhard and J. Ziegler, (1996): Time resolved photofragmentation of Au15+ (erratum),  Chem. Phys. Lett 262 668

C. Walther, S. Becker, G. Dietrich, H.J. Kluge, M. Lindinger, K. Lützenkirchen, L. Schweikhard and J. Ziegler, (1996): Photo fragmentation of metal clusters stored in a Penning trap,  Z. Phys. D 38 51–58

G. Dietrich, K. Dasgupta, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1996): Infrared photodesorption of methanol molecules adsorbed on a Au4+ cluster,  Chem. Phys. Lett. 259 397–402

H. Weidele, S. Becker, H.J. Kluge, M. Lindinger, L. Schweikhard, C. Walther, J. Ziegler and D. Kreisle, (1996): Delayed electron emission of negatively charged tungsten clusters,  Surf. Rev. Lett. 3 541–544

S. Krückeberg, G. Dietrich, K. Lützenkirchen, L. Schweikhard, C. Walther and J. Ziegler, (1996): The dissociation channels of silver clusters Agn+ 3 <= n <= 20,  Int. J. Mass Spectrom. Ion Processes 155 141–148

L. Schweikhard, S. Becker, K. Dasgupta, G. Dietrich, H.J. Kluge, D. Kreisle, S. Krückeberg, S. Kuznetsov, M. Lindinger, K. Lützenkirchen, B. Obst, C. Walther, H. Weidele and J. Ziegler, (1995): Trapped metal cluster ions,  Physica Scripta T 59 236–243

C. Walther, S. Becker, K. Dasgupta, G. Dietrich, H.J. Kluge, M. Lindinger, K. Lützenkirchen, L. Schweikhard and J. Ziegler, (1994): Photofragmentation of stored cluster ions,  in Seventh International Symposium on Resonance Ionization Spectroscopy and its Applications, Vol. 329, pages 187–190, Bernkastel-Kues Germany, Am. Inst. of Physics

Roman Seidl, Cord Drögemüller, Pius Krütli, Clemens Walther (2021): A citizens workgroup helps researchers reflect on their work,  Saf. Nucl. Waste Disposal, 1, 211–213, 2021
DOI: https://doi.org/10.5194/sand-1-211-2021

J. Stadler, A. Kogiomtzidis, M. Steppert, M. Schmidt, C. Walther (2020): Advanced Application of Desorption Electrospray Ionization Mass Spectrometry (DESI MS): Radionuclide Speciation in Plant Parts,  53. DGMS Jahrestagung 2020 und 27. ICP-MS Anwendertreffen, Münster, Deutschland, 01.03.2020-04.03.2020

Gupta DK, Vukovic A, Inouhe M, Walther C (2019): Accumulation of uranium (U) and its phytotoxic symptoms in Pisum sativum L.,  76th Annual Meeting of the Botanical Society of Chugoku-Shikoku, Hiroshima University, Saijo, Japan, 11-12 May.

J. Stadler, A. Kogiomtzidis, M. Steppert, M. Schmidt, N. Huittinen, M. Weiss, F. Köhler, T. Stumpf, C. Walther (2019): Direct Speciation of Radionuclides in Plant Parts by TRLFS and DESI MS,  Envira 2019 Conference, Prague, Czech Republic, 8.-13.09.2019

J. Stadler, A. Kogiomtzidis, M. Steppert, M. Weiss, F. Köhler, M. Schmidt, N. Huittinen, T. Stumpf, C. Walther (2019): Direct Speciation of Radionuclide Uptake into Plant Parts by DESI MS and TRLFS,  Jahrestagung der Fachgruppe Nuklearchemie 2019 (GDCh), Dresden, Deutschland,25.-27.09.2019

Stadler, J., Kogiomtzidis, A., Steppert, M., Weiss, M., Köhler, F., Schmidt, M., Huittinen, N., Stumpf, T., Walther, C. (2019): Direct Speciation of Radionuclide Uptake into Plant Parts by DESI MS and TRLFS,  JRNC-RANC 2019, Budapest, Hungary, 5.-10.5.2019

Bosco, H., Weiß, M., Raiwa, M., Wendt, K., Walther, C. (2018): Progress in spatially resolved ultra-trace analysis on plutonium containing particles by rL-SNMS,  Frühjahrstagung DPG Erlangen, 05.03.2018, MS: Fachverband Massenspektrometrie, MS 2: Laser Assisted Mass Spectrometry

Bosco, H., Weiss, M., Raiwa, M., Wendt, K., Walther, C. (2018): Analysis of Plutonium containing Particles by Resonant Laser-SNMS,  Plutonium Futures 2018, San Diego California, USA, 9.-14.9.2018

Gupta, D.K., Schulz W., Steinhauser G., Walther C. (2018): Saprophytic fungi reduces NO generation but increases H_2 O_2 production in winter rye plants,  7th Plant Nitric Oxide International Meeting, Nice, France, 24-26 October

Gupta, D.K., Schulz, W., Steinhauser, G., Walther, C. (2018): Accumulation and retention of radionuclides (Sr/Cs) by saprophytic fungi: Possible effect on uptake of these radionuclides by plants,  RAD 2018, Ohrid, Macedonia, 18-22 June

Gust, A., Mandel, M., Pottgießer, S., Riebe, B., Walther, C. (2018): Speciation and analysis of soil-plant transfer of I-129 and Tc-99 for dose estimation in crop cultivation,  Cores symposium on Radiation in the environment – scientific achievements and challenges for the society, 16. - 17. April 2018

Köhler, F., Hölzer, A., Riebe, B., König, C., Gorny, M., Scheinost, A., Rossberg, A., Walther, C. (2018): Prediction of 129I sorption and mobility in the soil vadose zone using long-term column experiments,  (MARC XI), Kona, HI, USA, 8.-13. April 2018

Mühr-Ebert, E., Schulte, V., Wagner F., Walther, C. (2018): Speciation of Uranium: Validation of a thermodynamic database by modelling techniques and comparative experiments,  Goldschmidt2018 12.-17.08.2018, Boston USA

Mühr-Ebert, E., Schulte, V., Wagner, F., Walther C. (2018): Speciation of Uranium: Validation of a thermodynamic database by modelling techniques and comparative experiments,  18th Radiochemical Conferenz 13.-18.05.2018, Marienbad Tschechien

Raiwa, M., Bosco, H., Weiß, M., Wendt, K., Walther, C. (2018): Spatially resolved analysis of micrometer sized hot particles from the Chernobyl environment by rL-SNMS,  ATAS 2018, Nice, France, 6.-9.11.2018

Raiwa, M., Weiß, M., Bosco, H., Walther, C., Wendt, K. (2018): Analysis of radionuclide containing particles from Chernobyl by resonant Laser-SNMS,  SIMS Europe 2018, Münster, Germany, 16.-18.9.2018

Stadler, J., Steppert, M., Walther, C. (2018): En route towards mass spectrometric imaging on plant parts: First DESI MS measurement,  CORES Symposium on Radiation in the Environment: Scientific Achievements and Challenges for the Society. Helsinki, Finland 16.-17.4.2018

Stadler, J., Steppert, M., Walther, C. (2018): Direct Speciation of Radionuclide Uptake into Plant Parts by Desorption Electrospray Ionization Mass Spectrometry,  ATAS 2018, Nice, France, 6.-9.11.2018

Walther, C. (2018): Spatially resolved ultra-trace analysis on plutonium containing particles by rL-SNMS,  Livermore (LLNL) 04.04.2018

Walther, C., Bosco, H., Hamann L., Weiss, M., Franzmann M., Wendt, K. (2018): Quasi-non-destructive Investigations of Actinide Particles Recent Applications of the Secondary Neutral Ionization SIMS,  (MARC XI), Kona, HI, USA, 8.-13. April 2018

Bister, S., Riebe, B., Daraoui, A., Gorny, M., Walther, C. (2017): Eintrag von Radionukliden in norddeutsches Grundwasser am Beispiel eines Trinkwassergewinnungsgebietes,  GDCh Wissenschaftsforum, 10. - 14.09.2017, Berlin

Bosco, H., Franzmann, M., Kron, T., Studer, D., Weiß, M., Walther, C., Wendt, K. (2017): Excitation scheme development for resonant Laser-SNMS on strontium,  2017 Frühjahrstagung DPG Mainz

Bosco, H., Franzmann, M., Weiss, M., Wendt, K., Walther, C. (2017): Resonant Laser Secondary Neutral Mass Spectrometry for Ultra-trace Analysis of Actinides and Their Fission Products,  2017 GDCh Wissenschaftsforum Berlin

Bosco, H., Hamann, L., Weiß, M., Franzmann, M., Kron, T., Studer, D., Wendt, K., Walther, C. (2017): Spatially resolved ultra-trace analysis on actinides and their fission products by resonant Laser-SNMS,  Actinides 2017 Sendai

Gupta D. K., Schulz W., Steinhauser G., Walther C. (2017): Plants and mushroom in remediation of radioactively contaminated areas,  RAD 2017, Budva, Montenegro, 12-16 June

Gupta, D.K., Walther, C. (2017): Phytoremediation techniques for radionuclide contaminated areas,  3rd International Science-Technical Conference on Actual Problems of Radiochemistry and Radioecology, Ural Federal University, Ekaterinburg, Russia, 13-17 November

König, C., Köhler, F., Walther, C. (2017): Transfer Processes of Iodine-129 in Soil,  Final ENTRIA Conference “Research on Radioactive Waste Management, Ethics – Society – Technology”, 26. - 30. September 2017, Braunschweig,

Mühr-Ebert, E. L., Wagner, F., Walther, C. (2017): Speciation of Uranium: Verification of a database by modelling techniques and comparative experiments,  Migration 2017, 10.09. - 15.09.2017, Barcelona

Pönitz, E., Walther, C., Hassel, T. (2017): Calculation of Dose Rates at the Surface of Storage Containers for High-Level Radioactive Waste,  Proceedings of the 14th International Congress of the International Radiation Protection Association, Cape Town, South Africa, 09 - 13 May 2016, Volume 5 of 5 (2017) 1932-1938 Weitere Informationen
ISBN: 978-0-9989666-5-6

Riebe, B., Bister, S., Walther, C. (2017): Sensitivität von Trinkwasserreservoiren in Bezug auf den Eintrag von künstlichen Radionukliden,  Abschlussworkshop des KVSF, 04. - 05.04.2017, Lindau

Schulz, W., Gupta, D. K., Großmann, S., Kothe, E., Wollenberg, Günther, A., Raff, J., Dubchak, S., Steinhauser, G., Walther, C. (2017): Using saprophytic fungi for the short-to-mid-term stabilization of radionuclides in soils,  Migration, 10.09. - 15.09.2017 Barcelona

Schulz, W., Riebe, B., Alemdar, H., Gupta, D. K., Steinhauser, G., Walther, C. (2017): Kinetic sutdies on the sorption of Sr-85 by various soils,  Migration 2017, 10.09. - 15.09.2017, Barcelona

Steinhauser, G., Gupta, D.K., Schulz, W., Walther, C. (2017): Biologische Verfahren zur Strahlenschutzvorsorge bei Radionuklidbelastungen nach Nuklearunfällen,  Wissenschaftsforum der GDCh. Berlin, Germany; 13 September 2017

Vahlbruch, J.-W., Schulz, W., Fournier, C., Hanemann, P., Büchner, S., Walther, C. (2017): New Remote Controlled Experiments in Nuclear Chemistry,  Proceedings of the 14th International Congress of the International Radiation Protection Association, Cape Town, South Africa, 09 - 13 May 2016, Volume 3 of 5 (2017) 1086-1093 Weitere Informationen
ISBN: 978-0-9989666-3-2

Walther, C. (2017): Resonant Laser-SNMS on actinides for spatially resolved ultra-trace analysis,  Uni Wien, Wien, 02.03.2017

Walther, C. (2017): Quasi-zerstörungsfreie Untersuchungen an einzelnen Actinid Partikeln mit “Secondary Neutral Mass Spectrometry”,  Festkolloquium für G. Geipel, Dresden, 03.11.2017

Walther, C. (2017): Interdisciplinary Education and Training in and by ENTRIA,  ENTRIA Conference, Braunschweig, 27.09.2017

Walther, C. (2017): Sekundärionisation radioaktiver Isotope zur ortsaufgelösten Ultraspurenanalyse,  BMBF Statusgespräch, Dresden, 28.04.2017

Walther, C. (2017): „ENTRIA: Forschung zur Entsorgung radioaktiver Abfälle. Das Standortauswahlgesetz, die Empfehlungen der Kommission und internationaler Vergleich,  LPS Sommerschule, Berlin, 29.06.2017

Walther, C., Bosco, H., Hamann, L., Franzmann, M., Wendt, K. (2017): Resonant Laser-SNMS on actinides for spatially resolved ultra-trace analysis,  DPG Frühjahrstagung, Mainz, 07.03.2017

Walther, C., Bosco, H., Hamann, L., Weiss, M., Franzmann, M., Tanha, M., Wendt, K. (2017): Quasi-non-destructive Investiagtions of Actinide Particles Recent Applications of the Secondary Neutral Ionisation SIMS,  Migration, Barcelona, 13.09.2017

Walther, C., Hamann, L., Bosco, H., Franzmann, M., Weiss, M., Tanha, M., Wendt, K. (2017): Nuclear track detection in radioecology: Investigation of hot particles in Chernobyl and Fukushima” ,  ICNTM, Strasbourg, 28.09.2017

Walther, C., Hocke, P., Roehlig, K., Smeddinck, U. (2017): Interdisciplinary Perspectives on Disposal of High-Level Radioactive Waste - The German Case,  IHLRWM (ANS), Charlotte, NC, 12.04.2017

Walther, C., Hocke, P., Röhlig, K.J., Smeddinck, U. (2017): ENTRIA: Forschung zur Entsorgung radioaktiver Abfälle,  Strahlenschutz in Medizin, Forschung und Industrie (TÜV Süd), Marburg, 07.12.2017

Walther, C., Röhlig, K.J., Smeddinck, U., Hocke, P. (2017): Radioecology and the Disposal of High Level Radioactive Waste – the Interdisciplinary Research Project ENTRIA - ,  ICRER, Berlin, 04.09.2017

A. Daraoui, R.Michel, M. Gorny, D. Jakob, R. Sachse, C. Walther (2016): Iodine-129 in soils from northern Ukraine and the retrospective disimetry of the iodine-131 exposure after the Chernobyl accident,  DPG Früjahrstagung 2016, 29. 02. - 04. 03. 2016, Hannover

A. Wunnenberg, M. Steppert, A. Ngezahayo, C. Walther (2016): γ-spectrometric and laser spectroscopic investigations on the uptake of 243Am in (plant) cells,  10th International BioMetals Symposium, Dresden, Germany, 10-15 July

C. Walther (2016): Chemistry of long-lived radionuclides relevant for waste disposal,  ENTRIA Sommerschule, Bad Honnef

C. Walther (2016): European Network on NRC Education and Training,  NRC, Helsinki, 01.09.2016

C. Walther (2016): From Radioecology in Fukushima to the Disposal of High Level Waste,  Moscow State University, Moskau, 20.10.2016

C. Walther (2016): Wie lange wird der „Atom- ausstieg“ wirklich dauern?,  Die Nacht die Wissen schafft, Hannover, 12.11.2016

C. Walther, M. Franzmann, H. Bosco, L. Hamann, M. Tanha, K. Wendt (2016): Resonant Laser-SNMS on actinides for spatially resolved ultra-trace analysis,  NRC, Helsinki, 30.8 2016

C. Walther, M. Franzmann, H. Bosco, L. Hamann, M. Tanha1, K. Wendt (2016): Resonant Laser-SNMS on actinides for spatially resolved ultra-trace analysis,  Pu Futures, Baden Baden, 19.09.2016

C. Walther, A. Brunnengräber, P. Hocke, K. Kalmbach, C. König, S. Kuppler, K.J. Röhlig, U. Smeddinck (2016): Dose Limits in Radioactive Waste Management: Interdisciplinary Perspectives from the German ENTRIA Project,  IRPA, Kapstadt, 09.05.2016

C. Walther, S. Chaudry, E. Plischke, K.-J. Röhlig, P. Hocke, A. Eckhardt und K. Ott (2016): Entsorgungsoptionen für HAW. Die Schaffung interdisziplinärer Bewertungsgrundlagen in ENTRIA,  Jahrestagung Fachverband f. Strahlenschutz, Heringsdorf Usedom, 28.09.2016

Clemens Walther (2016): European Network on NRC Education and Training,  NRC, Helsinki, 01.09.2016

Clemens Walther, Cord Drögemüller, Claudia König, Erik Pönitz Frank Tawussi, Christian Tzschentke (2016): Status und Gesamteinordnung der AP des IRS: 4.2 Vergleich der radiologischen Gefährdung für verschiedene Entsorgungsoptionen 4.6 Einfluss der Radionuklidspeziation auf Transferfaktoren,  ENTRIA Jahrestreffen, Berlin, 18.11.2016

Clemens Walther, Frank Tawussi, Erik Pönitz (2016): 4.2 AP Vergleich der radiologischen Gefährdung für verschiedene Entsorgungsoptionen 4.6 AP Einfluss der Radionuklidspeziation auf Transferfaktoren 2.3 AP Kritische Evaluation der AVV zu §47 StrlSchV,  ENTRIA TP 4 Treffen, Delemont, 07.04.2016

Clemens Walther, Klaus Jürgen Röhlig, Peter Hocke, Ulrich Smeddinck (2016): Vorstellung des interdisziplinären Projekts ENTRIA & einige Kommentare zum Kommissionsbericht,  Arbeitskreis Entsorgung des FS, Lubmin, 29.09.2016

E. Pönitz, C. Walther, T. Hassel (2016): Calculations of Dose Rates at the Surface of Storage Containers for High-Level Radioactive Waste,  14th International Congress of the International Radiation Protection Association (IRPA), Kapstadt, Südafrika (2016)

G. Steinhauser, T. Niisoe, K.H. Harada, K. Shozugawa, S. Schneider, H.-A. Synal, C. Walther, M. Christl, K. Nanba, H. Ishikawa, A. Koizumi (2016): Releases of radioactive particles from the Fukushima Daiichi NPP site caused by debris removal operations,  European Aerosol Conference, Tours, 05.09.2016

G. Steinhauser, T. Niisoe, K.H. Harada, K. Shozugawa, S. Schneider, H.-A. Synal, C. Walther, M. Christl, K. Nanba, H. Ishikawa, A. Koizumi (2016): Resuspension of deposited radioactive material from the Fukushima Daiichi NPP site (Poster),  European Geosciences Union General Assembly, Vienna, 22.04.2016

Gupta D.K., Hamann L., Hölzer A., Walther C. (2016): Oxidative stress generated by nanomolar plutonium in Solanum tuberosum L. Plants,  10th International BioMetals Symposium, Dresden, Germany, 10-15 July.

Gupta D.K., Hamann L., Hölzer A., Walther C. (2016): Low level Pu-242 exposure to potato plants reduces NO generation but increases H₂O₂ production,  6th Plant Nitric Oxide International Meeting, Granada, Spain, 14-16 September.

Gupta, D.K., Hamann, L., Walther, C. (2016): Does nanomolar plutonium concentration generate oxidative stress in Solanum tuberosum L. (Potato) plants?,  RAD 2016, Nis, Serbia, 23-27 May

H. Bosco, M. Franzmann, T. Kron, C. Walther, K. Wendt (2016): Spectroscopy and Laser-SNMS on stable and radioactive Strontium,  Frühjahrstagung DPG Hannover

H. Bosco, M. Franzmann, T. Kron, C. Walther, K. Wendt (2016): Spectroscopy and Laser-SNMS on stable and radioactive Strontium,  Laser 2016 Poznan

Meijie Cheng, Michael Steppert, Clemens Walther (2016): Aqueous reprocessing of molybdenum,  ASGARD, Köln, 26.01.2016

Osman, A.A.A., Bister, S., Daraoui, A., Hölzer, A., Riebe, B., Walther, C., Vockenhuber, C., Synal, H. (2016): Iodine-129 and stable iodine in natural waters from Fuhrberger Feld catchment near Hannover, Northern Germany,  DPG Frühjahrstagung, 29 February – 04 March 2016, Leibniz University of Hannover, Germany

Schulz, W., Hanemann, P., Fournier, C., Vahlbruch, J.-W., Walther, C. (2016): New Remote Controlled Experiments in Nuclear Chemistry, Practising Radiation Protection: sharing the experiences - new challenges,  IRPA 14, 09. -13. Mai 2016, Kapstadt

A. Daraoui, B. Riebe, M. Gorny, C. Walther, K. Hürkamp, J. Tschiersch, C. Vockenhuber und H.-A. Synal (2015): Vergleichbare ¹²⁹I-Konzentrationen und ¹²⁹I/1^27I-Isotopenverhältnisse in Schnee von der Zugspitze und in Nordseewasser?,  GDCh-Wissenschaftsforum Chemie 2015, 30.8. - 2.9. 2015, Dresden

C. Walther (2015): Risk assessment of disposal options for high level radioactive waste and radioecology of long lived radionuclides at contaminated areas,  15.5. 2015 Kyoto University Dept.of Nuclear Engineering

C. Walther (2015): Radioecology of long lived radionuclides at contaminated areas and risk assessment of disposal options for high level radioactive waste,  Cluster Research Laboratory, Toyota Technological Institute, 12.05.2015

C. Walther (2015): Uranium contaminations along the Mulde river history and recent developments,  Research School of Radiation Sciences, München, 10.03.2015

C. Walther (2015): SPECIATION ANALYSIS OF PU AND U COMPLEXES IN SOLUTION USING MASS SPECTROMETRY AND LASER SPECTROSCOPY,  MARC X, Kailua Kona, Hawaii, USA, 12.-17.04.2015

C. Walther (2015): Concepts in radioactive waste management,  Heraeus Schule, Bad Honnef, 13.08.2015

Clemens Walther, Erik Pönitz, Horst Geckeis, Bo Pang (2015): Vergleich der radiologischen Gefährdung für verschiedene Entsorgungssoptionen ,  Beiratsmeeting ENTRIA, Berlin, 11.03.2015

Clemens Walther, Klaus Jürgen Röhlig, Peter Hocke, Ulrich Smeddinck (2015): Vorstellung des interdisziplinären Projekts ENTRIA - Radiologische Aspekte –,  28.5.2015 , Bonn, Strahlenschutzkommission Ausschuss Radioökologie

E. L. Ebert, G. Modolo, D. Bosbach, M. Cheng, M. Steppert, C. Walther (2015): Dissolution studies on molybdenum-based inert matrix fuels for the transmutation of minor actinides,  First SACSESS International Workshop, Warsaw, Poland, 04/22/2015 – 04/24/2015

E. L. Ebert, M. Cheng, M. Steppert, C. Walther, A. Bukaemskiy, G. Modolo, D. Bosbach (2015): Dis-solution Behavior of MgO- and Mo-Based Inert Matrix Fuel for the Transmutation of Plutonium and Minor Actinides,  Global 2015, Paris, France, 09/20/2015 – 09/24/2015

Gupta, D.K., Tawussi, F., Lutke, L., Hamann, L., Walther, C. (2015): Oxidative stress generated by moderate uranium in Pisum sativum plants,  RAD 2015, Budva, Montenegro, 8-12 June

M. Cheng, M. Steppert, C. Walther (2015): Characterization of mixed Mo-Zr solution species by nano-Electrospray Ionization Mass Spectrometry,  DPG Frühjahrstagung 2015, 23. - 27. März 2015, Heidelberg

M. Cheng, M. Steppert, E. L. Ebert, C. Walther (2015): How does Iron influence the dissolution behavior of Mo based generation IV reactor fuel? New insights using nano ESI-TOF-MS,  E-MRS Spring Meeting 15, 11-15 May, Lille | Datei |

M. Cheng, M. Steppert, E. L. Ebert, C. Walther (2015): How does Iron influence the dissolution behavior of Mo based generation IV reactor fuel? New insights using nanoESI-TOF-MS,  GDCh Wissenschaftsforum Chemie 2015, Dresden, Germany, 08/30/2015 – 09/02/2015

M. Steppert, M. Cheng, E. L. Ebert, C. Walther (2015): Investigations on the solution behavior of new Mo fuel matrices for generation IV reactors by means of electrospray ionization mass spectrometry,  E-MRS Spring Meeting 15, 11-15 May, Lille

Osman, A.A.A., Bister, S., Daraoui, A., Hölzer, A., Riebe, B., Walther, C. (2015): Revisiting Foundation and Exploring Frontiers.,  International Symposium on Isotope Hdydrology, 11 – 15 May 2015, Vienna International Center (VIC), Austria.

Osman, A.A.A., Bister, S., Riebe, B., Walther, C. (2015): New Challenges with New Technologies.,  International Conference on Environmental Radioactivity (ENVIRA 2015), 21 – 25 September 2015, Thessaloniki

S.Schneider, M. Christl, G. Steinhauser, C. Walther (2015): Determination of plutonium and uranium in environmental samples from Fukushima,  DPG Frühjahrstagung 2015, 23. - 27. März 2015, Heidelberg

S.Schneider, M. Christl, G. Steinhauser, C. Walther (2015): Determination of plutonium and uranium in environmental samples from Fukushima,  MARC X, 12. - 17. April 2015, Kailua Kona

Schulz, W., Hanemann, P., Fournier, C., Büchner, S., Vahlbruch, J.-W., Walther, C. (2015): Developing remote controlled experiments for the Cooperation in education and training in Nuclear Chemistry (CINCH-II),  GDCh WIssenschaftsforum, 30.08. - 02.09.2015, Dresden

Gupta, D.K., Tawussi, F., Lutke, L., Walther, C. (2014): The impact of the U(VI) speciation on U(VI) uptake and stress response in Pisum sativum,  IGD-TP Geodisposal 2014 Conference, Manchester, U.K., 24-26 June

A. Daraoui, M. Schwinger, B. Riebe, M. Gorny (2014): Bestimmung von Iod-129 und Iod-127 in Umweltproben -Messungen und Interpretation,  AKU-92-Sitzung. 16-17.10.2014, PTB, Braunschweig

A. Hartmann, M. Cheng, M. Steppert, C. Walther (2014): Wie invasiv ist der Electrospray-Ionisationseffekt?,  DPG Frühjahrstagung 2014, Berlin, 17.-21. März

B. Riebe, A. Daraoui, M. Schwinger, C. Walther (2014): Iodine isotopes (¹²⁷I and ¹²⁹I) in soils from Germany,  Fourth European IRPA congress, Radiation Protection Culture- A global challenge. 23-27 June 2014, Geneva, Switzerland

C. Walther (2014): Mass Spectrometry in radioecology research – long lived man made radionuclides,  ISMAS, Parwanoo, H.P., India, 11.03.2014

C. Walther (2014): Das Institut für Radioökologie und Strahlenschutz,  KVKT, Erlangen, 12.05.2014

C. Walther (2014): From Fukushima to the Disposal of radioactive Waste in Germany - Radioecology at the IRS,  Kolloquium Universität Jena, Jena, 28.05.2014

C. Walther (2014): Vergleich der radiologischen Gefährdung für verschiedene Entsorgungssoptionen,  ENTRIA Risiko Workshop, Zürich,09.07.2014

C. Walther (2014): Immobilization of long-lived iodine into inert matrices,  Workshop "Radiation damage in structures – Relevance for nuclear waste disposal; Körber Foundation, Hamburg, 14.07.2014

C. Walther (2014): Migration soil – water interface after liquid releases Future Exposures from Contaminated Sites,  Heraeus Schule, Bad Honnef, 16.08.2014

C. Walther (2014): The Institut for Radioecology and Radiation Protection,  SEAPGM Kolloquium, Kiev, 17.09.2014

C. Walther (2014): From Fukushima to the Disposal of Radioactive Waste in Germany - Radioecology at the IRS Hannover,  PSI Kolloquium, Villigen, Schweiz, 07.10.2014

C. Walther (2014): From Fukushima to the Disposal of Radioactive Waste in Germany - Radioecology at the IRS Hannover,  Kolloquium Universität Helsinki, Helsinki, 17.10.2014

C. Walther (2014): Produktion von Tritium aus Spontanspaltung,  AGO, Hannover, 24.10.2014

C. Walther (2014): Entsorgung radioaktiver Abfälle - Radioökologie und Strahlenschutz am IRS,  FI Geo Kolloquium, Hannover, 10.11.2014

C. Walther (2014): Entsorgungsoptionen für hochradioaktiven Abfall das interdisziplinäre Projekt ENTRIA,  Die Nacht die Wissen schafft, Hannover, 15.11.2014

C. Walther (2014): Hochaufgelöste Oberflächenanalytik an plutoniumhaltigen Proben mit Sekundärionen-Massenspektrometrie (TOF-SIMS),  Aufbereitung von Wasserproben und Nachweis von Radionukliden in Wasserproben, Karlsruhe, 26.11.2014

C. Walther (2014): Mass Spectrometry in radioecology research – ,  ISMAS, Parwanoo, H.P., India, 11.03.2014

C. Walther, K. J. Röhlig, P. Hocke, U. Smeddinck (2014): Vorstellung des interdisziplinären Projekts ENTRIA,  EL Symposium FV Strahlenschutz, Mainz, 24.09.2014

C. Walther, K. J. Röhlig, P. Hocke, U. Smeddinck (2014): ENTRIA: interdisciplinary views on disposal options for heat generating radioactive waste,  NUSAFE Kickoff, Jülich, 08.10.2014

E. L. Ebert, A. Bukaemskiy, F. Sadowski, F. Brandt, M. Cheng, M. Steppert, C. Walther, G. Modolo, D. Bosbach (2014): Dissolution behavior of MgO and Mo based Inert Matrix Fuel for the transmutation of plutonium and minor actinides,  First joint workshop on f-element chemistry, University of Manchester, UK 04/28/2014 – 04/30/2014

E. L. Ebert, G. Modolo, A. Bukaemskiy, F. Brandt, D. Bosbach, M. Cheng, M. Steppert, C. Walther (2014): Dissolution behavior of MgO and Mo based inert Matrix fuel for the Transmutation of Plutonium and minor actinides,  13th Information Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation – IEMPT13, IEMPT13, Seoul, Korea, 09/23/2014 – 09/26/2014

E. L. Ebert, M. Cheng, M. Steppert, C. Walther, G. Modolo, D. Bosbach (2014): Electrospray Ionization Time-of-Flight Mass Spectrometry: Dissolution of Mo-based CerMet fuel,  8th European Summer School on Separation Chemistry and Conditioning as well as Supramolecular, Inter-molecular, Interaggregate Interactions, Bonn, Germany, 07/07/2014 – 07/09/2014 (2014)

E. L. Ebert, M. Cheng, M. Steppert, C. Walther, G. Modolo, D. Bosbach (2014): Dissolution of Mo-based CerMet fuel: ESI-TOF MS speciation in nitric acid medium,  17th Radiochemical Conference, Marianske Lazne, Czech Republic, 05/11/2014 – 05/16/2014

Gupta, D.K., Tawussi, F., Lutke, L., Hamann, L., Walther, C. (2014): Uranium exposure reduce NO generation but increase H₂O₂ production in Pisum sativum plants,  5th Plant NO Club Meeting, Nymphenburg, Munich, Germany, 24-25 July

Gupta, D.K., Tawussi, F., Lutke, L., Walther, C. (2014): Effect of Uranium on photosynthetic parameters in Pisum sativum in conjugation with antioxidant defense,  11th International Phytotechnologies Conference, Heraklion, Crete, Greece, Sept. 30 - Oct. 3, 2014

König, C., Walther, C., Smeddinck, U. (2014): Critical evaluation of german regulatory specifications for calculationg radiological exposure,  DAEF conference ‛Key topics in deep geological disposal’, 24 – 26 September, Cologne, (Poster)

M. Cheng, M. Steppert, C. Walther (2014): Investigation of new Mo fuel matrices for Generation IV Reactors by Electrospray Ionization Mass-Spectrometry,  ATAS Workshop, 3 November 2014, Dresden

M. Steppert, M. Cheng, E. L. Ebert, X. Chen, C. Walther (2014): Ionic solution species of Molybdenum in strongly acidic media characterized by means of electrospray ionization mass spectrometry,  IRE Seminar Helmholtz-Zentrum Dresden-Rossendorf, October 2, 2014

A. Daraoui, M. Raiwa, M. Schwinger, M. Gorny, B. Riebe, C. Walther, C. Vockenhuber und H-A. Synal (2013): Iod-129 im Nordpolarmeer,  GDCh-Wissenschaftsforum Chemie 2013, 1.-4. September 2013, Darmstadt

C. Walther (2013): Wohin mit den radioaktiven Abfällen? - ein Neustart?,  LUH Saturday Morning Lecture, Hannover, 04.05.2013

C. Walther (2013): Concepts in radioactive waste management,  Heraeus Schule, Bad Honnef, 11.08.2013

M. Cheng, M. Steppert, C. Walther (2013): Mo_nO_m species distributions in acidic solution measured by Electrospray Ionization Mass-Spectrometry,  DPG Frühjahrstagung 2013, Hannover, 18. - 22. März

M. Cheng, M. Steppert, C. Walther (2013): On the dissolution behavior of new Mo fuel matrices for Generation IV reactors,  GDCh-Wissenschaftsforum Chemie 2013, Darmstadt, 1.-4. September

M. Schwinger, A. Daraoui, B. Riebe, C. Walther (2013): ¹²⁹I in Niederschlagsproben aus Deutschland,  GDCh‐Wissenschaftsforum Chemie 2013, 1.-4. September 2013, Darmstadt

C. Walther (2012): Ultra sensitive speciation of radionuclides by laser spectroscopy,  Herbsttagung der American Chemical Society in Philadelphia vom 19. bis 22. August 2012

C. Walther (2012): Entsorgung nuklearer Reststoffe - neue Ansätze,  Die Nacht die Wissen schafft, Leibniz Universität Hannover, 10.11.2012

C. Walther (2012): Fukushima und danach,  Die Nacht die Wissen schafft, Leibniz Universität Hannover, 10.11.2012

M. Steppert, C. Walther (2012): Comparison of Uranium(VI) and Plutonium(VI) hydrolysis products by means of electrospray ionization mass spectrometry,  2012 GSA Annual Meeting, Charlotte, NC, USA, 4.-7. November

M. Steppert, C. Walther, S. Büchner, M. Fuss (2012): Untersuchungen von Uran und Plutonium mittels nano-ESI TOF Massenspektrometrie,  DPG Frühjahrstagung 2012, Stuttgart, 12.-16. März