Reaction dynamics studied via femtosecond X-ray liquidography at X-ray free-electron lasers

EH Choi, Y Lee, J Heo, H Ihee - Chemical Science, 2022 - pubs.rsc.org
X-ray free-electron lasers (XFELs) provide femtosecond X-ray pulses suitable for pump–
probe time-resolved studies with a femtosecond time resolution. Since the advent of the first …

Structural dynamics of proteins explored via time-resolved x-ray liquidography

Y Lee, H Lee, H Ihee - Chemical Physics Reviews, 2022 - pubs.aip.org
The structure of a protein is closely related to its biological function. In this regard, structural
changes, as well as static structures, have been scrutinized as essential elements in …

Photochemical processes revealed by X-ray transient absorption spectroscopy

LX Chen, X Zhang - The Journal of Physical Chemistry Letters, 2013 - ACS Publications
After over a decade of development, X-ray transient absorption (XTA) spectroscopy has
become an increasingly important and common tool in following molecular structures in …

Filming the birth of molecules and accompanying solvent rearrangement

JH Lee, M Wulff, S Bratos, J Petersen… - Journal of the …, 2013 - ACS Publications
Molecules are often born with high energy and large-amplitude vibrations. In solution, a
newly formed molecule cools down by transferring energy to the surrounding solvent …

Ultrafast X-ray crystallography and liquidography

H Ki, KY Oang, J Kim, H Ihee - Annual Review of Physical …, 2017 - annualreviews.org
Time-resolved X-ray diffraction provides direct information on three-dimensional structures
of reacting molecules and thus can be used to elucidate structural dynamics of chemical and …

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 …

[HTML][HTML] Topical Review: Molecular reaction and solvation visualized by time-resolved X-ray solution scattering: Structure, dynamics, and their solvent dependence

K Hwan Kim, J Kim, J Hyuk Lee, H Ihee - Structural Dynamics, 2014 - pubs.aip.org
Time-resolved X-ray solution scattering is sensitive to global molecular structure and can
track the dynamics of chemical reactions. In this article, we review our recent studies on …

[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 …

Structural dynamics of bismuth triiodide in solution triggered by photoinduced ligand-to-metal charge transfer

EH Choi, DS Ahn, S Park, C Kim, CW Ahn… - The Journal of …, 2019 - ACS Publications
Bismuth triiodide, BiI3, is one of the simplest bismuth halides, which have recently attracted
considerable attention because of their promising properties. Here, we investigate the …

Ultrafast time resolved x-ray diffraction, extended x-ray absorption fine structure and x-ray absorption near edge structure

A Oguz Er, J Chen, PM Rentzepis - Journal of Applied Physics, 2012 - pubs.aip.org
Ultrafast time resolved x-ray absorption and x-ray diffraction have made it possible to
measure, in real time, transient phenomena structures and processes induced by optical …