activity
20112025
most citedInterplay of pH and Binding of Multivalent Metal Ions: Charge Inversion and Reentrant Condensation in Protein Solutions

136 citations · 347 across the 13 of their papers we have counts for

collaborators

14 papers

cond-mat.soft2025

Nanoscale Protein Diffusion in Supercooled Cryoprotectant Solutions

Maddalena Bin, Anita Girelli, Mariia Filianina +15

Vitrification during cryopreservation requires a quantitative understanding of protein transport in deeply supercooled cryoprotectant solutions, yet direct measurements at molecula…

cond-mat.soft2025

(Dis-)appearance of liquid-liquid phase transitions in a heterogeneous activated patchy particle model and experiment

Furio Surfaro, Peixuan Liang, Hadra Banks +3

The ion-activated patchy particle model is an important theoretical framework to investigate the phase behaviour of globular proteins in the presence of multivalent ions. In this w…

cond-mat.soft2025★ 1 cited

Depletion-Induced Interactions Modulate Nanoscale Protein Diffusion in Polymeric Crowder Solutions

Michelle Dargasz, Nimmi Das Anthuparambil, Sebastian Retzbach +26

Macromolecular crowding plays a crucial role in modulating protein dynamics in cellular and in vitro environments. Polymeric crowders such as dextran and Ficoll are known to induce…

physics.ins-det2025

A pipeline for Megahertz X-ray Photon Correlation Spectroscopy on soft matter samples at the MID instrument of European XFEL

Aliaksandr Leonau, Felix Brausse, James Wrigley +27

In this paper we present the experimental protocol and data processing framework for Megahertz X-ray Photon Correlation Spectroscopy (MHz-XPCS) experiments on soft matter samples,…

cond-mat.soft2025

Softness and Hydrodynamic Interactions Regulate Lipoprotein Transport in Crowded Yolk Environments

Nimmi Das Anthuparambil, Michelle Dargasz, Sonja Timmermann +27

Low-density lipoproteins (LDLs) serve as nutrient reservoirs in egg yolk for embryonic development and as promising drug carriers. Both roles critically depend on their mobility in…

cond-mat.soft2024★ 6 cited

Coherent X-rays reveal anomalous molecular diffusion and cage effects in crowded protein solutions

Anita Girelli, Maddalena Bin, Mariia Filianina +38

Understanding protein motion within the cell is crucial for predicting reaction rates and macromolecular transport in the cytoplasm. A key question is how crowded environments affe…

cond-mat.soft2024★ 5 cited

The ion activated attractive patchy particles model and its application to the liquid-vapour phase transitions

Furio Surfaro, Fajun Zhang, Frank Schreiber +1

Patchy particles are an intriguing subject of study and indeed a model system in the field of soft matter physics. In recent years, patchy particle models have been applied to desc…

cond-mat.soft2024★ 11 cited

An alternative approach to the osmotic second virial coefficient of protein solutions and its application to liquid liquid phase separation

Furio Surfaro, Ralph Maier, Kai-Florian Pastryk +3

The osmotic second virial coefficient B2 is an important parameter to describe the interactions and phase behavior of protein solutions, including colloidal systems and macromolecu…

cond-mat.soft2024

On the analysis of two-time correlation functions: equilibrium vs non-equilibrium systems

Anastasia Ragulskaya, Vladimir Starostin, Fajun Zhang +2

X-ray photon correlation spectroscopy (XPCS) is a powerful tool for the investigation of dynamics covering a broad range of time and length scales. The two-time correlation functio…

physics.bio-ph2022★ 38 cited

Resolving molecular diffusion and aggregation of antibody proteins with megahertz X-ray free-electron laser pulses

Mario Reiser, Anita Girelli, Anastasia Ragulskaya +26

X-ray free-electron lasers (XFELs) with megahertz repetition rate can provide novel insights into structural dynamics of biological macromolecule solutions. However, very high dose…

cond-mat.soft2021

Interplay between Kinetics and Dynamics of Liquid-Liquid Phase Separation in a Protein Solution Revealed by Coherent X-ray Spectroscopy

Anastasia Ragulskaya, Nafisa Begam, Anita Girelli +7

Microscopic dynamics of complex fluids in the early stage of spinodal decomposition (SD) is strongly intertwined with the kinetics of structural evolution, which makes a quantitati…

physics.bio-ph2017★ 40 cited

Multivalent Ion-Activated Protein Adsorption Reflecting Bulk Reentrant Behavior

Madeleine R. Fries, Daniel Stopper, Michal K. Braun +7

Protein adsorption at the solid-liquid interface is an important phenomenon that often can be observed as a first step in biological processes. Despite its inherent importance, sti…

cond-mat.soft2013★ 136 cited

Interplay of pH and Binding of Multivalent Metal Ions: Charge Inversion and Reentrant Condensation in Protein Solutions

Felix Roosen-Runge, Benjamin S. Heck, Fajun Zhang +2

Tuning of protein surface charge is a fundamental mechanism in biological systems. Protein charge is regulated in a physiological context by pH and interaction with counterions. We…

cond-mat.soft2011★ 110 cited

Viscosity and Diffusion: Crowding and Salt Effects in Protein Solutions

Marco Heinen, Fabio Zanini, Felix Roosen-Runge +9

We report on a joint experimental-theoretical study of collective diffusion in, and static shear viscosity of solutions of bovine serum albumin (BSA) proteins, focusing on the depe…