Simulations of ionization equilibria in weak polyelectrolyte solutions and gels

J Landsgesell, L Nová, O Rud, F Uhlík, D Sean… - Soft Matter, 2019 - pubs.rsc.org
This article recapitulates the state of the art regarding simulations of ionization equilibria of
weak polyelectrolyte solutions and gels. We start out by reviewing the essential …

Weak polyelectrolytes as nanoarchitectonic design tools for functional materials: a review of recent achievements

NM Sanchez-Ballester, F Sciortino, SH Mir, G Rydzek - Molecules, 2022 - mdpi.com
The ionization degree, charge density, and conformation of weak polyelectrolytes can be
adjusted through adjusting the pH and ionic strength stimuli. Such polymers thus offer a …

Unexpected Two-Stage Swelling of Weak Polyelectrolyte Brushes with Divalent Counterions

D Beyer, C Holm - ACS Macro Letters, 2024 - ACS Publications
We use particle-based, coarse-grained simulations to study the influence of divalent
counterions on a weak polyelectrolyte brush. Our simulations show a profound influence of …

Zeta potential and viscosity of colloidal silica suspensions: Effect of seawater salts, pH, flocculant, and shear rate

CP Romero, RI Jeldres, GR Quezada, F Concha… - Colloids and Surfaces A …, 2018 - Elsevier
The effect of various seawater electrolytes on the zeta potential and viscosity of silica
suspensions has been studied as a function of electrolyte concentration, pH, flocculant and …

Adsorption of weak polyelectrolytes on charged nanoparticles. Impact of salt valency, pH, and nanoparticle charge density. Monte Carlo simulations

F Carnal, S Stoll - The Journal of Physical Chemistry B, 2011 - ACS Publications
Complex formation between a weak flexible polyelectrolyte chain and one positively
charged nanoparticle in presence of explicit counterions and salt particles is investigated …

Simulation of weak polyelectrolytes: A comparison between the constant pH and the reaction ensemble method

J Landsgesell, C Holm, J Smiatek - The European Physical Journal …, 2017 - Springer
The reaction ensemble and the constant pH method are well-known chemical equilibrium
approaches to simulate protonation and deprotonation reactions in classical molecular …

Monte Carlo simulations of weak polyelectrolyte microgels: pH-dependence of conformation and ionization

C Hofzumahaus, P Hebbeker, S Schneider - Soft Matter, 2018 - pubs.rsc.org
In this study, we investigated the effect of pH on single weak acidic polyelectrolyte microgels
under salt-free conditions with (i) varying microgel concentration,(ii) varying content of acidic …

Polyelectrolyte-nanoparticle mutual charge regulation and its influence on their complexation

M Stornes, PM Blanco, RS Dias - Colloids and Surfaces A: Physicochemical …, 2021 - Elsevier
The complexation between a charged nanoparticle and an oppositely charged linear
polyelectrolyte is studied using coarse-grained Semi-Grand Canonical Monte Carlo …

Tuning Knotted Copolyelectrolyte Conformations via Solution Properties

A Tagliabue, C Micheletti, M Mella - Macromolecules, 2022 - ACS Publications
We used Langevin dynamics simulations to study coarse-grained knotted copolyelectrolytes,
composed by a neutral and a charged segment, in solutions of different salt concentrations …

Synthesis of magnetic nanoparticles with covalently bonded polyacrylic acid for use as forward osmosis draw agents

I Ban, M Drofenik, H Bukšek, I Petrinic… - … : Water Research & …, 2023 - pubs.rsc.org
Multicoated magnetite (Fe3O4) magnetic nanoparticles (MNPs) with polyacrylic acid (PAA)
as a terminal hydrophilic ligand were synthesized and examined for use as a draw solution …