Quantification of zeta-potential and electrokinetic surface charge density for colloidal silica nanoparticles dependent on type and concentration of the counterion …

AH Jalil, U Pyell - The Journal of Physical Chemistry C, 2018 - ACS Publications
Electrokinetic data were measured for dilute aqueous dispersions of amorphous silica
nanoparticles of various size via capillary electrophoresis with borate buffers containing …

Controlling Bicontinuous Polyelectrolyte Complexation for Membrane Selectivity: Redox‐Mediated Electrochemical Separation of Volatile Fatty Acids

W Oh, N Kim, H Kim, RI Mackie… - Advanced Functional …, 2024 - Wiley Online Library
Fermentative volatile fatty acid (VFA) production is a sustainable approach for waste
valorization. However, selective product recovery remains challenging due to the range of …

Improving the stability of multi-walled carbon nano-tubes in extremely environments: Applications as nano-plugging additives in drilling fluids

L Ma, P Luo, Y He, L Zhang, Y Fan, Z Jiang - Journal of Natural Gas …, 2020 - Elsevier
Owing to the harsh downhole environments, poor dispersion of multi-walled carbon
nanotubes (MWCNTs) at high salinity and high temperature can severely limit their …

Ultra-stable silica nanoparticles as nano-plugging additive for shale exploitation in harsh environments

L Ma, P Luo, Y He, L Zhang, Y Fan, Z Jiang - Nanomaterials, 2019 - mdpi.com
Owing to the harsh downhole environments, poor dispersion of silica at high salinity and
high temperature can severely restrict its application as the nano-plugging agent in shale …

Counter-ion distribution around flexible polyelectrolytes having different molecular architecture

A Chremos, JF Douglas - Soft Matter, 2016 - pubs.rsc.org
We explore the monovalent counter-ion distribution around flexible highly-charged
polyelectrolytes with different molecular architectures (linear chains, stars, and unknotted …

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 …

Characterization of gold nanoparticles with different hydrophilic coatings via capillary electrophoresis and Taylor dispersion analysis. Part I: Determination of the zeta …

U Pyell, AH Jalil, C Pfeiffer, B Pelaz… - Journal of colloid and …, 2015 - Elsevier
Taking gold nanoparticles with different hydrophilic coatings as an example, it is
investigated whether capillary electrophoresis in combination with Taylor dispersion …

Counterion condensation on spheres in the salt-free limit

DAJ Gillespie, JE Hallett, O Elujoba, AFC Hamzah… - Soft Matter, 2014 - pubs.rsc.org
A highly-charged spherical colloid in a salt-free environment exerts such a powerful
attraction on its counterions that a certain fraction condenses onto the surface of a particle …

Molecular dynamics simulations of the conformation and diffusion of partially hydrolyzed polyacrylamide in highly saline solutions

GR Quezada, JH Saavedra, RE Rozas… - Chemical Engineering …, 2020 - Elsevier
The impact of salts on partially hydrolyzed polyacrylamide (HPAM) is of great interest in
mineral processing, considering that the use of seawater seems to be the only sustainable …

Computationally Mapping pKa Shifts Due to the Presence of a Polyelectrolyte Chain around Whey Proteins

D Srivastava, E Santiso, K Gubbins… - Langmuir, 2017 - ACS Publications
Experimental studies have shown the formation of soluble complexes in the pure repulsive
Coulombic regime even when the net charges of the protein and the polyelectrolyte have the …