Program HT-DYNA Workshop

The program consists of 27 scientific contributions including  20 posters. The poster boards have a a width  of  0,88 m  and a height  of  1,88 m (portrait format).

Monday, September 1, 2025
12:00-13:00 Registration + Putting up posters
13:00-13:10 Workshop opening: Erik T. J. Nibbering and Joachim Heberle
  Session 1: Probing Proton Dynamics, Probing Electron Dynamics
13:10-14:00MO-P1Thomas Elsaesser, Max-Born-Institut, Berlin, Germany
  Ultrafast probes of proton and electron dynamics in liquids and solids
14:00-14:20MO-O1Ricardo Mata, University of Göttingen, Germany
  Protons are fermions too – development and application of multicomponent methods for proton dynamics and spectroscopy
14:20-14:50 Coffee break
14:50-15:30MO-I1Philippe Wernet, Uppsala University, Sweden
  Proton transfer from alkanes to metals: Tracking C–H activation with ultrafast X-ray spectroscopy
15:30-15:50MO-O2Debkumar Rana, Max-Born-Institut, Berlin, Germany
  Ultrafast Photoacid-Base Reaction in Aqueous Solution: Probing with Soft X-ray Spectroscopy
15:50-16:10MO-O3Michael Odelius, Stockholms University, Stockholm, Sweden
  X-ray fingerprints of proton transfer
16:10-18:30 Poster Session
Tuesday, September 2, 2025
  Session 2: Ab Initio Molecular Dynamics Simulations
09:00-09:40TU-I1Damien Laage, École Normale Supérieure PSL / CNRS / Sorbonne University, Paris, France
  On the mechanisms of hydronium and hydroxide diffusion in liquid water
09:40-10:00TU-O1Niklas Sülzner, Ruhr-University Bochum, Germany
  Molecular Dynamics of the Ultrafast Excited-State Proton Transfer of the Super-Photoacid NM7HQ+ to the Aprotic Solvent DMSO
10:00-10:30 Coffee break
10:30-10:50TU-O2

Sai Vamsikrishna Isukapalli, Ludwig-Maximilians-Universität

München, Germany

  The Trimer-induced Asymmetry of the Proton Potential Drives Proton Transport in Liquid Water
10:50-11:30TU-I2Roland Netz, Freie Universität Berlin, Germany
  Proton Dynamics and Solvation in Bulk and at Interfaces
11:30-13:30 Lunch break
  Session 3: Biological Systems
13:30-14:10TU-I3Nadav Amdursky, The University of Sheffield, UK
  The Dynamics of Elementary Proton Transport Processes on the Surface of Biological Membranes
14:10-14:30 TU-O3Karsten Heyne, Freie Universität Berlin, Germany
  Ultrafast structural changes of hydrogen-bonded networks in proteins
 14:30-15:00 Coffee break
15:00-15:40TU-I4Marylin Gunner, Physics Department City College of New York, CUNY, USA
  Characterizing the hydrogen bond networks and proton loading sites in Complex I with Monte Carlo sampling
15:40-16:00TU-O4Jheng-Liang Chen, Freie Universität Berlin, Germany
  Opposing Paths: Proton Transfer in Light-Driven Proton Pumps
16:00-16:20TU-O5Moritz Senger, Uppsala University,Sweden
  From Catalysis to Sensing: Proton Transfer in [FeFe]-hydrogenases
16:20-17:00TU-I5Ville R. I. Kaila, Stockholm University, Sweden
  Deciphering Molecular Mechanisms Underlying Proton Transfer Reactions in Complex Biological Systems
19:00 Dinner
Wednesday, September 3, 2025
  Session 4: Photoacids / Photobases
 09:00-09:40WE-I1Ehud Pines, Ben-Gurion University of the Negev, Beer Sheva, Israel
  Studying Long-standing Questions in Acid-Base Chemistry
09:40- 10:00WE-O1Martina Havenith-Newen, Ruhr University Bochum, Germany
  Caught in the act: Optical pump THz probe allows real-time observation of the solvent response subsequent to photoexcitation
10:00-10:20WE-O2Gregor Jung, Saarland University, Germany
  Photoacids - A Unique Combination of Fluorescence and Photochemistry
10:20-10:50 Coffee break
10:50-11:10WE-O3Poul Petersen, Ruhr-University Bochum, Germany
  Probing Proton Transfer Reactions with Ultrafast Continuum mid-IR Spectroscopy
11:10-11:30WE-O4Niklas Klosterhalfen, Leibniz-Institut für Photonische Technologien e.V. (Leibniz-IPHT), Jena, Germany
  Taking acid-base chemistry to the next (electronic) level: Anion effects on the excited-state proton transfer of photobasic quinolines
11:30-11:50WE-O5Till Stensitzki, Universität Potsdam, Germany
  The recombination dynamics of photoexcited HPTS on a nano- to microsecond time-scale
11:50-12:10WE-O6Nils Huse, University of Hamburg, Germany
  Aromatic thiyl reactivity in solution - hydrogen abstraction and recapture
12:10-13:30 Lunch break
  Session 5: Interfacial Systems
13:30-14:10WE-I2Sylvie Roke, École Polytechnique Fédérale de Lausanne (EPFL),Switzerland
  Proton translocation across free-standing lipid membranes through water needles as seen by second harmonic water imaging
14:10-14:30WE-O7Alesandro Greco, Max Planck Institute for Polymer Research
  Ultrafast Interfacial Proton Dynamics
14:30-15:00 Coffee break
15:00-15:20WE-O8Poonam Singh, École Polytechnique Fédérale de Lausanne (EPFL), Switzerland
  Disentangling the diverse structures of the hydrated proton in water using correlated vibrational spectroscopy
15:20-15:40WE-O9Sulaiman Al Salem, Deutsches Elektronen-Synchrotron, DESY, Hamburg, Germany
  Proton-Coupled Electron Transfer (PCET) at ZnO-Water Interface
15:40-16:00WE-O10Alexander Paarmann, Fritz Haber Institute of the Max Planck Society, Berlin, Germany
  Direct observation of proton exchange at the water-water interface
16:00-16:10 Conclusion remarks and Farewell

 

Posters

 

Poster Session

 

P1

Iryna Zaporozhets, Freie Universität Berlin, Germany
Capturing Nuclear Quantum Effects with the Efficiency of Classical Molecular Dynamics

P2

Valeriia Baranauskaite, Ben-Gurion University of the Negev, Beer-Sheva, Israel
Kinetics and thermodynamics of the proton transfer reactions between intact Carbonic acid and biologically relevant bases

P3

Daniel Sebastiani, Martin Luther University Halle-Wittenberg, Germany
Protonation dynamics in polyphilic liquids

P4

Karoline-Luisa Lê Công, Freie Universität Berlin, Germany
Structural analysis of Helix C bending properties of Nonlabens marinus Halorhodopsin NmHR through mutational studies

P5

Elena Köhler Ruiz, Freie Universität Berlin, Germany
Hydrated Proton Adsorption at the Air–Water Interface

P6

Louis Lehmann, Freie Universität Berlin, Germany
Multipolar Contributions in SFG Spectroscopy Reveal Proton-Absorption–Induced Water Structuring at Interfaces

P7

Karsten Heyne, Freie Universität Berlin, Germany
Ultrafast Internal Conversion Hinders Proton Transfer to Solvent of Delphinidine in Acidic Water

P8

Karsten Heyne, Freie Universität Berlin, Germany
Chasing the Proton after Ultrafast Intermolecular Proton Transfer in a Hydrogen-Bonded Complex

P9

Aoife Redlich, Freie Universität Berlin, Germany
Light-Tunable Cross-Membrane Proton Transport

P10

Máté Kurucz, Max-Born-Institut, Berlin, Germany
Probing Transient Electronic Structures of DMABN in Solution with Time-resolved Soft X-ray Spectroscopy

P11

Marc-Oliver Winghart, Max-Born-Institut Berlin, Germany
Ultrafast Soft X-ray Probing of Elementary Steps in Acid-Base Reactions 

P12

Debkumar Rana, Max-Born-Institut, Berlin, Germany
Ultrafast Proton Transfer Mechanism between 2-Naphthol and Azide Anion in DMSO: Probing with UV Pump Mid-IR Probe Spectroscopy

P13

Evyatar Ben Haim, Ben-Gurion University of the Negev, Beer-Sheva, Israel
Studying Specific Solvation by Water and Alcohols and Bulk Water Acidity Using Strong Photobases in Water/Organic Solvent Mixtures

P14

Victor. M. Loyo-Cruz, Freie Universität Berlin, Germany
Effect of an essential arginine mutation (R473C) on the catalytic reaction of cytochrome c oxidase from Paracoccus denitrificans. Characterization through UV/Vis and electrochemical-FTIR spectroscopy

P15

Antreas Vorkas, Freie Universität Berlin, Germany
Biophysical investigation of the voltage-gated proton channel of Karlodinium veneficum dinoflaggelate (KvHv1)

P16

Mariafrancesca La Greca, Freie Universität Berlin, Germany
Proton dynamics in the light-driven bacterial chloride pump NmHR

P17

Boris Musset, Klinikum Nürnberg Medical School, Germany
Somatic HVCN1 mutations observed in cancer may represent deleterious passenger mutations within the S4 region

P18

Ambili Ramanthrikkovil Variyam, Technion - Israel Institute of Technology, Israel
Proton diffusion across mixed lipid membranes highlights the role of membrane composition

P19

Florian N. Brünig, University of Luxembourg, Luxembourg
Ultrafast transient spectral signatures and excess-proton waiting and transfer-path dynamics

P20

Antara Sarkar, FXE, European X-ray Free Electron Laser (XFEL), Hamburg, Germany
Probing the mechanism of structural distortion and dependence on its electronic properties

P21

Jesse Jones, Technical University Berlin, Germany
The Proton Exit Channel of Cytochrome c Oxidase investigated with Karlsberg3