Name: 20th SOLEIL USERS' MEETING - SUM2026
Start: 2026-01-14T09:00:00+01:00
End: 2026-01-16T17:05:00+01:00
Location: Synchrotron SOLEIL

20th SOLEIL USERS' MEETING - SUM2026

from Wednesday 14 January 2026 (09:00) to Friday 16 January 2026 (17:05)

Monday 12 January 2026
Tuesday 13 January 2026
Wednesday 14 January 2026

09:00 Registration – Welcome – Coffee
Registration – Welcome – Coffee
09:00 - 09:30

09:30 Introduction to the workshop
Introduction to the workshop
09:30 - 09:40
09:40 PLENARY TALK - Radiation Damage In Macromolecular Crystallography: What Is It And Why Do We Care?
PLENARY TALK - Radiation Damage In Macromolecular Crystallography: What Is It And Why Do We Care?
09:40 - 10:25
Contributions

09:40 Radiation Damage In Macromolecular Crystallography: What Is It And Why Do We Care? - Elspeth Garman (University of Oxford)
10:25 PLENARY TALK - Beam damage and safe analysis: a study of how perception, perspective, and vocabulary shape the construction of risk
PLENARY TALK - Beam damage and safe analysis: a study of how perception, perspective, and vocabulary shape the construction of risk
10:25 - 11:00

11:00 A multidisciplinary viewpoint to radiation damage
A multidisciplinary viewpoint to radiation damage
11:00 - 12:30

12:30 Lunch
Lunch
12:30 - 13:45

13:45 Introduction to round table
Introduction to round table
13:45 - 14:30

14:30 Interactive and multidisciplinary round table
Interactive and multidisciplinary round table
14:30 - 16:00

16:00 Coffee break
Coffee break
16:00 - 16:30

16:30 TUTORIAL - The RADDOSE-3D software program
TUTORIAL - The RADDOSE-3D software program
16:30 - 17:20

17:20 Conclusion
Conclusion
17:20 - 17:30
Thursday 15 January 2026

09:00 Registration & coffee
Registration & coffee
09:00 - 10:00

10:00

10:00 - 10:10

10:10

10:10 - 10:50
10:50 SOFT MATTER - Structure, properties and reactivity of oxide nanoparticles in solution : synchrotron studies
SOFT MATTER - Structure, properties and reactivity of oxide nanoparticles in solution : synchrotron studies
10:50 - 11:35
Contributions

10:50 Structure, properties and reactivity of oxide nanoparticles in solution: synchrotron studies - Matthieu Virot (ICSM, Univ Montpellier, CEA, CNRS, ENSCM, Marcoule, France) olivier diat (ICSM UMR 5257)
11:35

11:35 - 12:05

12:05 Lunch
Lunch
12:05 - 13:30
13:30 Invited talk, Oral Communications 1 to 4
Invited talk, Oral Communications 1 to 4
13:30 - 15:40
Room: Reception Building Auditorium
Contributions

13:30 FROM TISSUE TO TRACE: AN ELEMENTAL INVESTIGATION OF BROMINE IN HEALTHY AND DISEASED OVARIAN TISSUE - Anna Flamigni

14:00 Stuctural insights into tecovirimat antiviral activity and poxvirus resistance - Riccardo Vernuccio (Institut Pasteur)

14:25 Tracing Metal Contaminants in Environmental Plastics pellets and Mammalian Tissues Using XRF Mapping at PUMA - Alessandra Gianoncelli

14:50 Probing the colloidal behavior of polysaccharides-degrading enzyme in a highly constrained model system - Hugo Voisin

15:15 Small Angle X-ray Scattering Structural Characterization Of Quinones Oxidoreductases ζ-Crystallins Using SOLEIL Swing Beamline - Nicolas Mousnier (Centre de Recherche Paul Pascal CNRS UMR 5031)
Invited talk, Oral communications 1 to 4
Invited talk, Oral communications 1 to 4
13:30 - 15:40
Room: Auditorium Main Building
Contributions

13:30 STXM as a tool for studying the morphology of organic semiconducting nanoparticles for energy applications - Anne Hébraud (ICPEES Université de Strasbourg)

14:00 Revealing the mechanisms of enhanced Photo-Electrocatalytic OER performance of Ni doped maghemite via operando XAFS - Francesco PAPARONI (SOLEIL)

14:25 Comparison of STXM and SXP for the Morphological Study of Organic Semiconducting Nanoparticles Used for Hydrogen Production - Sufal SWARAJ (Synchrotron SOLEIL)

14:50 Tracking Hydrogen-Driven Structural Dynamics in Supported Pd Nanoparticles Using Full-Field Hyperspectral XAS Imaging - Marlon Muniz da Silva (CNPEM - Sirius)

15:15 Fate of self-assembled squalene nanoparticles in a biomimetic medium assessed by scattering techniques - Hugo Roncin (NIMBE/CEA Paris-Saclay)
Invited talk, Oral Communications 1 to 4
Invited talk, Oral Communications 1 to 4
13:30 - 15:40
Room: ORION room
Contributions

13:30 Are Ketohydroperoxides from Isoprene Ozonolysis a Missing Major Source of Tropospheric OH? - jérémy bourgalais (Institut de physique de Rennes - Université de Rennes - CNRS)

14:00 Tender X-ray Induced Fragmentation and Charge Release in Halogenated Radiosensitizers: a First Electron–Multi-Ion Coincidence Study - Oksana Travnikova (LCPMR)

14:25 Quantitative FTIR spectroscopy of corrosive and unstable atmospheric gases: application to HNO3, HONO and HOBr - Alexandre VOUTE (SOLEIL)

14:50 Gas-phase Interstellar Ion-Molecule Reactivity Driven by VUV Synchrotron Light - Corentin Rossi (ISMO, Université Paris-Saclay, CNRS)

15:15 How do non-covalent interactions within small molecular cluster in the gas phase modify the ion molecule reactivity? - Lucas ALBOUY (Sorbonne Université - MONARIS)
Invited talk, Oral Communications 1 to 4
Invited talk, Oral Communications 1 to 4
13:30 - 15:40
Room: LIBRA room
Contributions

13:30 How Synchrotrons Can Help Us Understand the Dangers of Historical Lead-Based Cosmetics - Fiona McNeill (McMaster University)

14:00 Characterization of 19th and 20th century African glass beads using XRF band XAS spectroscopy - Laurent TRANCHANT (SOLEIL)

14:25 Investigation of Iron and Copper Speciation : Deciphering the Green Colorations of Medieval Stained-glass Windows - Cecile Bretonnet

14:50 Art Gets the Blues: Simple Colorimetric Tools for X-ray Dose Assessment - Alice Gimat (MNHN-CRC UAR 3224)

15:15 Quantifying the Speciation of Sulfur and Associated Metals in Geological Fluids Using Synchrotron Spectroscopy - Gleb Pokrovski (Géosciences Environnement Toulouse (GET), CNRS-University of Toulouse-IRD)
Invited talk, Oral Communications 1 to 4
Invited talk, Oral Communications 1 to 4
13:30 - 15:40
Room: BLOCH Auditorium
Contributions

13:30 Deep Strain Field of Surface Reconstruction - Vincent Repain (Université Paris Cité)

14:00 1s2p Resonant Inelastic X-ray scattering Natural Circular Dichroism - Alessandro De Frenza (Sorbonne universite)

14:25 Deep Learning Approach for Fixing Limited Angle Artefacts in Synchrotron X-Ray Tomography - Shyam PULICKAN (Synchrotron SOLEIL)

14:50 In situ Synchrotron Study of the 1T′/1H Phase Transition in Colloidal WS2 Monolayers - Dario Mastrippolito (Synchrotron SOLEIL)

15:15 Is there a Liquid-Liquid transition in realgar (As4S4) under Extreme Conditions? A Comprehensive Synchrotron study - Rajaji VINCENT (Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université, CNRS UMR 7590, MNHN, Paris, France)
15:40 Coffee break
Coffee break
15:40 - 16:10
16:10 Invited talk, Oral communications 5 to 8
Invited talk, Oral communications 5 to 8
16:10 - 18:20
Room: Reception Building Auditorium
Contributions

16:10 Designing Cryo-Correlative Workflows: Understanding Radiation Damage Risks in HEK293-XpaQ - Harisa RISTA (SOLEIL)

16:35 Detection of titanium dioxide particles in human, animal and infant formula milk - Anne Burtey (UMR 1313 Génétique Animale et Biologie Intégrative, INRAE)

17:00 The role of the gut in dementia - Alessia Cedola (CNR-NANOTEC)

17:25 Mechanical Phenomena Occurring In Tissue During Subcutaneous Injections - Aurélien Baquié (Nemera, SAINBIOSE INSERM U1059)
Invited talk, Oral Communications 5 to 8
Invited talk, Oral Communications 5 to 8
16:10 - 18:20
Room: Auditorium Main Building
Contributions

16:10 Realistic Catalysts at Work: APXPS Insights into Surface Transformations for Sustainable Energy Applications - Spyridon Zafeiratos (ICPEES UMR7515 CNRS-Strasbourg University)

16:40 Probing Protonation State Dependent Charge Transfer-to-Solvent in L-cysteine via Sulfur Kβ Valence-to-Core Resonant Inelastic X-ray Scattering - Sayantan Sarkar (LCPMR, Sorbonne Université)

17:05 Strong Coupling Attraction in Nanoconfined Water Between Like-Charged Phospholipid Layers - Arnaud HEMMERLE (SOLEIL)

17:30 Cation Ordering in Synthetic Stannoidite (Cu₈Fe₃Sn₂S₁₂) Revealed by Multiple-Edge Anomalous Diffraction - Carmelo Prestipino (CRISMAT)

17:55 Operando Surface-Sensitive X-ray Scattering of Pd Nanoparticles for Selective NH₃ Oxidation - Alina VLAD (SOLEIL)
Invited talk, Oral Communications 5 to 8
Invited talk, Oral Communications 5 to 8
16:10 - 18:20
Room: ORION room
Contributions

16:15 Rovibrational Analysis Of Cyclopentadiene Using ASAP And SOLEIL - Luis Bonah

16:40 The importance of synchrotron spectroscopy in untangling the complex spectral patterns of deuterated methyl rotors. - Hayley Bunn (Max Planck Institute for Extraterrestrial Physics)

17:05 Direct Experimental Evidence Of The Roaming Atom Mechanism In A Macromolecular Noncovalent Complex - Jean-Christophe POULLY (CIMAP Université de Caen)

17:30 High-Resolution FTIR Spectroscopy of CH3F: Global Effective Hamiltonian Analysis of the Ground State and the 2ν3, ν3 + ν6, and 2ν6 Bands - Hazem ZIADI (Groupe de Spectrométrie Moléculaire et Atmosphérique (GSMA), UMR 7331 CNRS, Université de Reims Champagne-Ardenne)
Invited talk, Oral Communications 5 to 8
Invited talk, Oral Communications 5 to 8
16:10 - 18:20
Room: LIBRA room
Contributions

16:10 Invisible Metals, Visible Impacts: Geochemical Dynamics And The Environment - Alexandra COURTIN

16:40 Multi-scale synchrotron study of critical-metal phases by XRF and XANES spectroscopies - Georgia Grypaiou Iskenteridou (University Paris-Saclay)

17:05 Environmental degradation of plastics in soils: example of polypropylene alteration investigated by synchrotron-based GIXD and nano-CT - Quentin Bollaert (Synchrotron SOLEIL)

17:30 Impact of different micro-organisms (bacteria, archaea) on the Platinum (Pt) speciation - Justine Le Doare (IPGP)

17:55 Impact of redox conditions on the binding of redox-inert contaminants to magnetite - Rémi Marsac (Institut de physique du globe de Paris - CNRS)
Oral Communications 5 to 8
Oral Communications 5 to 8
16:10 - 18:20
Room: BLOCH Auditorium
Contributions

16:10 Probing inversion symmetry breaking and related electronic properties in ultrathin tellurides - Fabien Cheynis

16:40 Mechanical Strain Effects on the Magnetic Response of Ferromagnetic Thin Films on Polymer Substrates - Alejandro Toledano Povedano (Université de Poitiers)

17:05 Correlating RIXS and EELS and XEOL spectroscopies in van der Waals materials - Alessandro NICOLAOU (SOLEIL)

17:30 Structural And Electrical Characterization of Hf0.5Zr0.5O2 and ZrO2 Thin Films Using Grazing Incidence Synchrotron X-ray Diffraction - Grégoire Magagnin (Institut des Nanotechnologies de Lyon)
18:30 (AFURS / GDR Coherex / Beamlines / Reciprocs Network / GDR XFEL) - Commercial Exhibitors / Aperitif
(AFURS / GDR Coherex / Beamlines / Reciprocs Network / GDR XFEL) - Commercial Exhibitors / Aperitif
18:30 - 20:00

20:00 Diner
Diner
20:00 - 21:30

21:30 Bus transfer
Bus transfer
21:30 - 21:50
Friday 16 January 2026
09:00 GEOSCIENCES - Structure and Surface reactivity of tubular Al/Si nanoparticles: interactions with nucleic acids and implications for prebiotic scenarios
GEOSCIENCES - Structure and Surface reactivity of tubular Al/Si nanoparticles: interactions with nucleic acids and implications for prebiotic scenarios
09:00 - 09:45
Contributions

09:00 Structure and Surface reactivity of tubular Al/Si nanoparticles: interactions with nucleic acids and implications for prebiotic scenarios - jerome rose (CNRS CEREGE)
09:45 and coffee break
and coffee break
09:45 - 11:45

11:45 Award of the best student poster – Roger Fourme Prize and Conclusion
Award of the best student poster – Roger Fourme Prize and Conclusion
11:45 - 12:00

12:00 Lunch
Lunch
12:00 - 13:30

13:30 Introduction
Introduction
13:30 - 13:35

DESIRS / MARS / PX1 / SIXS
DESIRS / MARS / PX1 / SIXS
13:30 - 15:00

13:35 Status and projects of the X-ray absorption beamlines
Status and projects of the X-ray absorption beamlines
13:35 - 14:50

14:50 Status of the project to unite the French community of X-ray absorption spectroscopists
Status of the project to unite the French community of X-ray absorption spectroscopists
14:50 - 15:00

15:00 Interactive round table
Interactive round table
15:00 - 16:00

16:00 Plenary discussion and conclusions
Plenary discussion and conclusions
16:00 - 16:30