Electrostatics and Colloid Interactions

Molecular Origins of pH Gradients in Charge-Regulated Biomolecular Condensates

The paper introduces a computational framework to model pH gradients in biomolecular condensates and shows sequence-dependent pH shifts in FUS and PGL-3.

The Origins of Arginine "Magic": Guanidinium Like-Charge Ion Pairing and Oligoarginine Aggregation in Water by NMR, Cryoelectron Microscopy, and Molecular Dynamics Simulations

This study quantifies weak like-charge pairing of guanidinium ions in water using NMR, MD simulations, and cryo-EM, contrasting with ammonium ions and showing oligoarginine aggregation.

Transient Formation of Supramolecular Complexes Between Hyaluronan and Oligopeptides at Submicromolar Concentration

This study investigates HA-peptide interactions at submicromolar concentrations using multiple techniques, revealing selective multivalent binding and dynamic supramolecular complex formation.

Differential Sequence Charge-clustering and Mixing-ratio Affect Stability and Dynamics of Heterotypic Peptide Condensates

This study quantifies how differential charge-clustering and mixing ratios affect the stability and dynamics of heterotypic peptide condensates formed through electrostatic interactions.

Charge distribution of coating brush drives inter-chromosome attraction

The paper investigates how the charge distribution on Ki-67 affects RNA-mediated inter-chromosome attraction during cell division.

The Impact of Charge Regulation and Ionic Intranuclear Environment on the Nucleosome Core Particle

This study theoretically examines how intranuclear factors like salt concentration and pH affect the charge state of nucleosome core particles, highlighting the role of magnesium ions and molecular details.

Monovalent Ion Effect on Liquid-Liquid Phase Separation of Aqueous Polyphosphate-Salt Mixtures

This study shows that submolar NaCl induces liquid-liquid phase separation of polyphosphate solutions, while other monovalent salts do not, suggesting monovalent ions modulate polyP aggregate formation in cells.

Hydrodynamic and Polyelectrolyte Properties of Actin Filaments: Theory and Experiments

The paper characterizes the polyelectrolyte and hydrodynamic properties of actin filaments using a combination of experiments and theoretical models.

Theory for weakly polydisperse cytoskeleton filaments

The paper develops a density functional theory for polydisperse, semiflexible cytoskeleton filaments and calculates their thermodynamic properties and phase diagrams.

Molecular Structure Study on the Polyelectrolyte Properties of Actin Filaments

This paper investigates the electrochemical properties of actin filaments by modeling their molecular structure and analyzing the effects of surface roughness and finite size on electrical potential and current distribution.