Chemical interactions and dynamics with femtosecond X-ray spectroscopy and the role of X-ray free-electron lasers

P Wernet - … Transactions of the Royal Society A, 2019 - royalsocietypublishing.org
X-ray free-electron lasers with intense, tuneable and short-pulse X-ray radiation are
transformative tools for the investigation of transition-metal complexes and metalloproteins …

Robust inversion of time-resolved data via forward-optimization in a trajectory basis

K Acheson, A Kirrander - Journal of Chemical Theory and …, 2023 - ACS Publications
An inversion method for time-resolved data from ultrafast experiments is introduced, based
on forward-optimization in a trajectory basis. The method is applied to experimental data …

Tracking reaction dynamics in solution by pump–probe X-ray absorption spectroscopy and X-ray liquidography (solution scattering)

J Kim, KH Kim, KY Oang, JH Lee, K Hong… - Chemical …, 2016 - pubs.rsc.org
Characterization of transient molecular structures formed during chemical and biological
processes is essential for understanding their mechanisms and functions. Over the last …

Ehrenfest methods for electron and nuclear dynamics

A Kirrander, M Vacher - Quantum Chemistry and Dynamics of …, 2020 - Wiley Online Library
Rapid advances in ultrafast experiments have contributed to the rise of trajectory‐based
methods for describing nonadiabatic dynamics of molecular systems. In the present Chapter …

Protein structural dynamics of wild-type and mutant homodimeric hemoglobin studied by time-resolved X-ray solution scattering

C Yang, M Choi, JG Kim, H Kim, S Muniyappan… - International Journal of …, 2018 - mdpi.com
The quaternary transition between the relaxed (R) and tense (T) states of heme-binding
proteins is a textbook example for the allosteric structural transition. Homodimeric …

[HTML][HTML] SVD-aided pseudo principal-component analysis: A new method to speed up and improve determination of the optimum kinetic model from time-resolved …

KY Oang, C Yang, S Muniyappan, J Kim, H Ihee - Structural Dynamics, 2017 - pubs.aip.org
Determination of the optimum kinetic model is an essential prerequisite for characterizing
dynamics and mechanism of a reaction. Here, we propose a simple method, termed as …

Resonant inelastic X-ray scattering (RIXS) studies in chemistry: present and future

M Lundberg, P Wernet - Synchrotron Light Sources and Free-Electron …, 2020 - Springer
This chapter illustrates how resonant inelastic x-ray scattering (RIXS) is used to address
questions in chemistry, with special focus on the electronic structure and catalytic activity of …

Direct observation of a transiently formed isomer during iodoform photolysis in solution by time-resolved X-ray liquidography

CW Ahn, H Ki, J Kim, J Kim, S Park, Y Lee… - The journal of …, 2018 - ACS Publications
Photolysis of iodoform (CHI3) in solution has been extensively studied, but its reaction
mechanism remains elusive. In particular, iso-iodoform (iso-CHI2–I) is formed as a product …

Extracting kinetics and thermodynamics of molecules without heavy atoms via time-resolved solvent scattering signals

KY Oang, S Park, J Moon, E Park, HK Lee… - The Journal of …, 2023 - ACS Publications
Time-resolved X-ray liquidography (TRXL) has emerged as a powerful technique for
studying the structural dynamics of small molecules and macromolecules in liquid solutions …

Sensitivity of time‐resolved diffraction data to changes in internuclear distances and atomic positions

H Jeong, H Ki, JG Kim, J Kim, Y Lee… - Bulletin of the Korean …, 2022 - Wiley Online Library
Time‐resolved x‐ray liquidography (TRXL) is a powerful technique to study molecular
structural dynamics in the solution phase. Typically, a TRXL experiment is conducted during …