Joint TecRad - RULET Autumn School on Technetium and other Fission Products
from
Monday 24 November 2025 (12:00)
to
Thursday 27 November 2025 (15:45)
Monday 24 November 2025
12:00
Get together
Get together
12:00 - 13:00
Room: 114/202
13:00
Welcome
Welcome
13:00 - 13:10
Room: 114/202
13:10
The necessity of developing methodologies to monitor fission products with exotic oxidation states
-
Natalia Mayordomo Herranz
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
The necessity of developing methodologies to monitor fission products with exotic oxidation states
Natalia Mayordomo Herranz
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
13:10 - 13:50
Room: 114/202
13:50
Site Selection, Safety Analyses and their legal framework – where does Tc come into play?
-
Christoph Borkel
(
BASE
)
Site Selection, Safety Analyses and their legal framework – where does Tc come into play?
Christoph Borkel
(
BASE
)
13:50 - 14:30
Room: 114/202
14:30
Coffee Break
Coffee Break
14:30 - 14:50
Room: 114/202
14:50
Technetium - The Unknown Center of the Periodic Table
-
Erik Strub
(
University of Cologne
)
Technetium - The Unknown Center of the Periodic Table
Erik Strub
(
University of Cologne
)
14:50 - 15:30
Room: 114/202
15:30
Comprehensive insights into material degradation characteristics by a multi-analytical approach on different length scales
-
Christiane Stephan-Scherb
(
Martin-Luther-Universität Halle-Wittenberg
)
Comprehensive insights into material degradation characteristics by a multi-analytical approach on different length scales
Christiane Stephan-Scherb
(
Martin-Luther-Universität Halle-Wittenberg
)
15:30 - 16:10
Room: 114/202
16:10
Revisiting Technetium-99 Immobilization: Anoxic Remobilization Pathways Driven by Redox Active Geochemical Substrates
-
Vasileios Anagnostopoulus
(
University of Central Florida
)
Revisiting Technetium-99 Immobilization: Anoxic Remobilization Pathways Driven by Redox Active Geochemical Substrates
Vasileios Anagnostopoulus
(
University of Central Florida
)
16:10 - 16:50
Room: 114/202
16:50
Coffee Break
Coffee Break
16:50 - 17:10
Room: 114/202
17:10
Career Panel Discussion
-
Jenna Poonoosamy
(
Forschungszentrum Jülich
)
Diana Rodríguez Hernandez
(
ROTOP Pharmaka GmbH
)
Christoph Borkel
(
BASE
)
Silvia Stumpf
(
Projektträger Karlsruhe
)
Christiane Stephan-Scherb
(
Martin-Luther-Universität Halle-Wittenberg
)
Career Panel Discussion
Jenna Poonoosamy
(
Forschungszentrum Jülich
)
Diana Rodríguez Hernandez
(
ROTOP Pharmaka GmbH
)
Christoph Borkel
(
BASE
)
Silvia Stumpf
(
Projektträger Karlsruhe
)
Christiane Stephan-Scherb
(
Martin-Luther-Universität Halle-Wittenberg
)
17:10 - 18:20
Room: 114/202
18:20
Transfer to Dresden
Transfer to Dresden
18:20 - 19:00
19:00
School Dinner
School Dinner
19:00 - 21:30
Tuesday 25 November 2025
08:15
Transfer Hotel - HZDR
Transfer Hotel - HZDR
08:15 - 09:00
09:00
Assessment of the containment of contaminants in subsurface barriers
-
Jens Wolf
(
Gesellschaft für Anlagen- und Reaktorsicherheit gGmbH
)
Assessment of the containment of contaminants in subsurface barriers
Jens Wolf
(
Gesellschaft für Anlagen- und Reaktorsicherheit gGmbH
)
09:00 - 09:40
Room: 114/202
09:40
The range of Technetium valences and how that variation drives the formation of different oxide structures
-
Gordon J. Thorogood
(
Australia's Nuclear Science and Technology Organisation
)
The range of Technetium valences and how that variation drives the formation of different oxide structures
Gordon J. Thorogood
(
Australia's Nuclear Science and Technology Organisation
)
09:40 - 10:20
Room: 114/202
10:20
FeII-mediated and direct immobilization of 99Tc by the bentonite-isolate Desulfitobacterium sp. G1-2
-
Irene Cardaio
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
FeII-mediated and direct immobilization of 99Tc by the bentonite-isolate Desulfitobacterium sp. G1-2
Irene Cardaio
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
10:20 - 10:22
Room: 114/202
10:25
Experimental and Theoretical 99Tc NMR Spectroscopy
-
Maximilian Roca Junger
(
Karlsruhe Institute of Technology
)
Experimental and Theoretical 99Tc NMR Spectroscopy
Maximilian Roca Junger
(
Karlsruhe Institute of Technology
)
10:25 - 10:27
Room: 114/202
10:30
Coffee Break
Coffee Break
10:30 - 11:00
Room: 114/202
11:00
From Speciation to Retention: Understanding Selenium Mobility in the Geosphere
-
Norbert Jordan
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
From Speciation to Retention: Understanding Selenium Mobility in the Geosphere
Norbert Jordan
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
11:00 - 11:40
Room: 114/202
11:40
77Se and 99Tc NMR spectroscopy: a versatile tool for studying fission product behavior in aqueous systems
-
Jérôme Kretzschmar
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
77Se and 99Tc NMR spectroscopy: a versatile tool for studying fission product behavior in aqueous systems
Jérôme Kretzschmar
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
11:40 - 12:20
Room: 114/202
12:20
The behavior of Tc(I) in the environment - Sorption studies of [Tc(CO)3(H2O)3]BF4 with different minerals
-
Caroline Börner
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
The behavior of Tc(I) in the environment - Sorption studies of [Tc(CO)3(H2O)3]BF4 with different minerals
Caroline Börner
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
12:20 - 12:25
Room: 114/202
12:25
Retention of Tc by Fe(II) solid phases: Combining wet chemistry experiments and spectroscopic data
-
Julius Wolf
(
Karlsruhe Institute of Technology
)
Retention of Tc by Fe(II) solid phases: Combining wet chemistry experiments and spectroscopic data
Julius Wolf
(
Karlsruhe Institute of Technology
)
12:25 - 12:30
Room: 114/202
12:30
Lunch
Lunch
12:30 - 13:30
Room: 114/202
13:30
Visit Radiochemical Labs
Visit Radiochemical Labs
13:30 - 15:00
15:00
Coffee Break
Coffee Break
15:00 - 15:30
Room: 114/202
15:30
Isothermal calorimetry - a versatile method to determine a wide range of thermodynamical properties in aqueous systems
-
Sven Hagemann
(
Gesellschaft für Anlagen- und Reaktorsicherheit gGmbH
)
Isothermal calorimetry - a versatile method to determine a wide range of thermodynamical properties in aqueous systems
Sven Hagemann
(
Gesellschaft für Anlagen- und Reaktorsicherheit gGmbH
)
15:30 - 16:10
Room: 114/202
16:10
Thermodynamic stability of 226Ra-containing carbonate phases: atomistic simulations and thermodynamic calculations
-
Stefan Rudin
(
Forschungszentrum Jülich
)
Thermodynamic stability of 226Ra-containing carbonate phases: atomistic simulations and thermodynamic calculations
Stefan Rudin
(
Forschungszentrum Jülich
)
16:10 - 16:15
Room: 114/202
16:15
Cobalt Depletion by Inorganic Sorbents
-
Elizaveta Artiushova
(
University of Bern
)
Cobalt Depletion by Inorganic Sorbents
Elizaveta Artiushova
(
University of Bern
)
16:15 - 16:20
Room: 114/202
16:20
Optimizing culture conditions for the interaction of Pseudodesulfovibrio aespoeensis with Tc(VII)
-
Carmen Solé Bonillo
(
Technische Universität Dresden
)
Optimizing culture conditions for the interaction of Pseudodesulfovibrio aespoeensis with Tc(VII)
Carmen Solé Bonillo
(
Technische Universität Dresden
)
16:20 - 16:25
Room: 114/202
16:25
Learning From Nuclear Medicine To Help Cure 99Tc Contaminated Land
-
Callum Robinson
(
The University of Manchester
)
Learning From Nuclear Medicine To Help Cure 99Tc Contaminated Land
Callum Robinson
(
The University of Manchester
)
16:25 - 16:30
Room: 114/202
16:30
Pertechnetate electrochemical reduction in carbonate environment: In situ and ex-situ 99Tc-NMR and UV/VIS spectroelectrochemical studies
-
Arkadz Bureika
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
Pertechnetate electrochemical reduction in carbonate environment: In situ and ex-situ 99Tc-NMR and UV/VIS spectroelectrochemical studies
Arkadz Bureika
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
16:30 - 16:35
Room: 114/202
16:35
Normalization and isobar suppression methods for AMS-based ultra-trace detection of Technetium-99
-
Stephanie Adler
(
University of Vienna
)
Normalization and isobar suppression methods for AMS-based ultra-trace detection of Technetium-99
Stephanie Adler
(
University of Vienna
)
16:35 - 16:40
Room: 114/202
16:40
Reduction of Pertechnetate by Magnetite Nanoparticles
-
Thomas Zimmermann
(
Albert-Ludwigs-University Freiburg
)
Reduction of Pertechnetate by Magnetite Nanoparticles
Thomas Zimmermann
(
Albert-Ludwigs-University Freiburg
)
16:40 - 16:45
Room: 114/202
16:45
Synthesis and characterization of macropa-based complexes for the stable coordination of radiometals
-
Rodrigo Castro Biondo
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
Synthesis and characterization of macropa-based complexes for the stable coordination of radiometals
Rodrigo Castro Biondo
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
16:45 - 16:50
Room: 114/202
16:50
Accelerator produced 99mTc for medical applications: Technical and chemical optimizations and comparison with conventional Al2O3 generator systems
-
Marcos Michel
(
University of Cologne
)
Accelerator produced 99mTc for medical applications: Technical and chemical optimizations and comparison with conventional Al2O3 generator systems
Marcos Michel
(
University of Cologne
)
16:50 - 16:55
Room: 114/202
16:55
Insights into how pyrite immobilizes technetium-99 in metabolite-rich environments
-
Vijay Saini
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
Insights into how pyrite immobilizes technetium-99 in metabolite-rich environments
Vijay Saini
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
16:55 - 17:00
Room: 114/202
17:00
Immobilization of technetium(+1) with gamma-alumina and hematite
-
Jiyoung Eum
(
Technische Universität Dresden
)
Immobilization of technetium(+1) with gamma-alumina and hematite
Jiyoung Eum
(
Technische Universität Dresden
)
17:00 - 17:05
Room: 114/202
17:05
The Role of Pseudodesulfovibrio aespoeensis in the Immobilization of 99Tc
-
Marcos F. Martinez Moreno
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
The Role of Pseudodesulfovibrio aespoeensis in the Immobilization of 99Tc
Marcos F. Martinez Moreno
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
17:05 - 17:10
Room: 114/202
17:10
Poster Session
Poster Session
17:10 - 19:10
Room: 114/202
19:10
Transfer to Dresden
Transfer to Dresden
19:10 - 19:50
Wednesday 26 November 2025
08:15
Transfer Hotel - HZDR
Transfer Hotel - HZDR
08:15 - 09:00
09:00
XXX
-
Jon Lloyd
(
The University of Manchester
)
XXX
Jon Lloyd
(
The University of Manchester
)
09:00 - 09:40
Room: 114/202
09:40
AI-assisted lab-on-a-chip experiments: Setting new frontiers in radio-geochemistry
-
Jenna Poonoosamy
(
Forschungszentrum Jülich
)
AI-assisted lab-on-a-chip experiments: Setting new frontiers in radio-geochemistry
Jenna Poonoosamy
(
Forschungszentrum Jülich
)
09:40 - 10:20
Room: 114/202
10:20
Coffee Break
Coffee Break
10:20 - 11:00
Room: 114/202
11:00
Imaging Tc at the nanoscale by Secondary Neutral Mass Spectrometry
-
Clemens Walter
(
Leibniz Universität Hannover
)
Imaging Tc at the nanoscale by Secondary Neutral Mass Spectrometry
Clemens Walter
(
Leibniz Universität Hannover
)
11:00 - 11:40
Room: 114/202
11:40
Controls on the Long-Term Migration and Fate of Selenium and Technetium: Insights from Complex Environmental Systems
-
Gareth Law
(
University of Helsinki
)
Controls on the Long-Term Migration and Fate of Selenium and Technetium: Insights from Complex Environmental Systems
Gareth Law
(
University of Helsinki
)
11:40 - 12:20
Room: 114/202
12:20
Lunch
Lunch
12:20 - 13:30
Room: 114/202
13:30
From Plutonium to Technetium: Unraveling Hanford’s Nuclear Legacy and Quest for Clean-Up
-
Sarah Saslow
(
Pacific Northwest National Laboratory
)
From Plutonium to Technetium: Unraveling Hanford’s Nuclear Legacy and Quest for Clean-Up
Sarah Saslow
(
Pacific Northwest National Laboratory
)
13:30 - 14:10
Room: 114/202
14:10
Some Insights into Tc Chemistry from a Radiopharmacy View Point. Is There Relevance for Tc Chemistry in Fission Waste?
-
Roger Alberto
(
Universität Zürich
)
Some Insights into Tc Chemistry from a Radiopharmacy View Point. Is There Relevance for Tc Chemistry in Fission Waste?
Roger Alberto
(
Universität Zürich
)
14:10 - 14:50
Room: 114/202
14:50
Coffee Break
Coffee Break
14:50 - 15:20
Room: 114/202
15:20
XAS based speciation of technetium and long-lived fission products
-
Jörg Rothe
(
Karlsruhe Institute of Technology
)
XAS based speciation of technetium and long-lived fission products
Jörg Rothe
(
Karlsruhe Institute of Technology
)
15:20 - 16:00
Room: 114/202
16:00
Ab initio speciation of Tc-gluconate complexes in aqueous systems
-
Robert Polly
(
Karlsruhe Institute of Technology
)
Ab initio speciation of Tc-gluconate complexes in aqueous systems
Robert Polly
(
Karlsruhe Institute of Technology
)
16:00 - 16:40
Room: 114/202
16:40
Case Studies
Case Studies
16:40 - 18:10
Room: 114/202
18:10
Transfer to Dresden
Transfer to Dresden
18:10 - 19:00
19:00
Dinner (self-paid)
Dinner (self-paid)
19:00 - 21:20
Thursday 27 November 2025
09:00
Radiological legacy in forests adjacent to the Fukushima Daiichi Site: Interactions of key fission products with soil and biomonitors
-
Takayuki Sasaki
(
Kyoto University
)
Radiological legacy in forests adjacent to the Fukushima Daiichi Site: Interactions of key fission products with soil and biomonitors
Takayuki Sasaki
(
Kyoto University
)
09:00 - 09:40
Room: 114/202
09:40
Solution chemistry of Tc under conditions relevant for nuclear waste disposal
-
Xavier Gaona
(
Karlsruhe Institute of Technology
)
Solution chemistry of Tc under conditions relevant for nuclear waste disposal
Xavier Gaona
(
Karlsruhe Institute of Technology
)
09:40 - 10:20
Room: 114/202
10:20
Coffee Break
Coffee Break
10:20 - 11:00
Room: 114/202
11:00
Environmental Technetium-99 Detection at the Limits of (A)MS Sensitivity
-
Karin Hain
(
Universität Wien
)
Environmental Technetium-99 Detection at the Limits of (A)MS Sensitivity
Karin Hain
(
Universität Wien
)
11:00 - 11:40
Room: 114/202
11:40
SQUID measurements on actinide complexes
-
Robert Guericke
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
SQUID measurements on actinide complexes
Robert Guericke
(
Helmholtz-Zentrum Dresden-Rossendorf e.V.
)
11:40 - 12:20
Room: 114/202
12:20
Workshop Wrap-Up / End of School
Workshop Wrap-Up / End of School
12:20 - 12:35
Room: 114/202
12:35
Lunch Bag
Lunch Bag
12:35 - 12:55
Room: 114/202
13:00
Optional: Visit HZDR Research Facilities
Optional: Visit HZDR Research Facilities
13:00 - 15:00
Room: 114/202
15:00
Transfer to train station Dresden - Neustadt
Transfer to train station Dresden - Neustadt
15:00 - 15:45
Room: 114/202