From femtoseconds to hours—measuring dynamics over 18 orders of magnitude with coherent x-rays

F Lehmkühler, W Roseker, G Grübel - Applied Sciences, 2021 - mdpi.com
X-ray photon correlation spectroscopy (XPCS) enables the study of sample dynamics
between micrometer and atomic length scales. As a coherent scattering technique, it …

X-ray-based techniques to study the nano–bio interface

C Sanchez-Cano, RA Alvarez-Puebla, JM Abendroth… - ACS …, 2021 - ACS Publications
X-ray-based analytics are routinely applied in many fields, including physics, chemistry,
materials science, and engineering. The full potential of such techniques in the life sciences …

Exploring non-equilibrium processes and spatio-temporal scaling laws in heated egg yolk using coherent X-rays

ND Anthuparambil, A Girelli, S Timmermann… - Nature …, 2023 - nature.com
The soft-grainy microstructure of cooked egg yolk is the result of a series of out-of-
equilibrium processes of its protein-lipid contents; however, it is unclear how egg yolk …

Microscopic dynamics of liquid-liquid phase separation and domain coarsening in a protein solution revealed by X-ray photon correlation spectroscopy

A Girelli, H Rahmann, N Begam, A Ragulskaya… - Physical Review Letters, 2021 - APS
While the interplay between liquid-liquid phase separation (LLPS) and glass formation in
biological systems is highly relevant for their structure formation and thus function, the exact …

Reaching the yield point of a glass during x-ray irradiation

A Martinelli, F Caporaletti, F Dallari, M Sprung… - Physical Review X, 2023 - APS
A solid loaded beyond the yield stress loses its elastic properties and becomes plastic. From
a microscopic point of view, this limit corresponds to the condition where plastic regions …

Recent advances in synchrotron scattering methods for probing the structure and dynamics of colloids

T Narayanan - Advances in Colloid and Interface Science, 2024 - Elsevier
Recent progress in synchrotron based X-ray scattering methods applied to colloid science is
reviewed. An important figure of merit of these techniques is that they enable in situ …

Real-time swelling-collapse kinetics of nanogels driven by XFEL pulses

F Dallari, I Lokteva, J Möller, W Roseker, C Goy… - Science …, 2024 - science.org
Stimuli-responsive polymers are an important class of materials with many applications in
nanotechnology and drug delivery. The most prominent one is poly-N-isopropylacrylamide …

Stochastic atomic acceleration during the X-ray-induced fluidization of a silica glass

F Dallari, A Martinelli, F Caporaletti… - Proceedings of the …, 2023 - National Acad Sciences
The X-ray-induced, nonthermal fluidization of the prototypical SiO2 glass is investigated by X-
ray photon correlation spectroscopy in the small-angle scattering range. This process is …

[HTML][HTML] Three-step colloidal gelation revealed by time-resolved x-ray photon correlation spectroscopy

A Jain, F Schulz, F Dallari, V Markmann… - The Journal of …, 2022 - pubs.aip.org
The gelation of PEGylated gold nanoparticles dispersed in a glycerol–water mixture is
probed in situ by x-ray photon correlation spectroscopy. Following the evolution of structure …

X‐Ray Photon Correlation Spectroscopy Towards Measuring Nanoparticle Diameters in Biological Environments Allowing for the In Situ Analysis of their Bio‐Nano …

F Otto, X Sun, F Schulz, C Sanchez‐Cano, N Feliu… - Small, 2022 - Wiley Online Library
X‐ray photon correlation spectroscopy (XPCS), a synchrotron source‐based technique to
measure sample dynamics, is used to determine hydrodynamic diameters of gold …