Direct measurements of polymer-induced forces

D Kleshchanok, R Tuinier… - Journal of Physics …, 2008 - iopscience.iop.org
Colloid–polymer mixtures are found in dispersions that are an important part of people's
everyday lives. The dynamics and phase stability of colloid–polymer mixtures depend on the …

How and Why Nanoparticle's Curvature Regulates the Apparent pKa of the Coating Ligands

D Wang, RJ Nap, I Lagzi, B Kowalczyk… - Journal of the …, 2011 - ACS Publications
Dissociation of ionizable ligands immobilized on nanopaticles (NPs) depends on and can
be regulated by the curvature of these particles as well as the size and the concentration of …

Weak polyelectrolytes tethered to surfaces: effect of geometry, acid–base equilibrium and electrical permittivity

R Nap, P Gong, I Szleifer - Journal of Polymer Science Part B …, 2006 - Wiley Online Library
The structural and thermodynamical properties of weak polyelectrolytes end‐tethered to
surfaces of arbitrary geometry are studied using a molecular theory. The theory is based on …

A Discussion of the pH-Dependent Protonation Behaviors of Poly (2-(dimethylamino) ethyl methacrylate)(PDMAEMA) and Poly (ethylenimine-ran-2-ethyl-2-oxazoline) …

H Lee, SH Son, R Sharma, YY Won - The Journal of Physical …, 2011 - ACS Publications
In this article, we present results of our experimental and atomistic simulation studies of the
pH-dependent protonation behaviors of poly (2-(dimethylamino) ethyl methacrylate) …

[HTML][HTML] Divalent ion partitioning through dense ion exchange membranes

X Chen, B Rajendran, QM Liu, XQ Feng… - Journal of Membrane …, 2023 - Elsevier
Understanding the mechanism behind the permeation of multivalent ions through ion
exchange membranes remains an ongoing challenge. Here we address this knowledge gap …

Born energy, acid-base equilibrium, structure and interactions of end-grafted weak polyelectrolyte layers

RJ Nap, M Tagliazucchi, I Szleifer - The Journal of chemical physics, 2014 - pubs.aip.org
This work addresses the effect of the Born self-energy contribution in the modeling of the
structural and thermodynamical properties of weak polyelectrolytes confined to planar and …

Molecular theory of chemically modified electrodes by redox polyelectrolytes under equilibrium conditions: comparison with experiment

M Tagliazucchi, EJ Calvo, I Szleifer - The Journal of Physical …, 2008 - ACS Publications
A molecular theory is presented to describe chemically modified electrodes by redox
polymers. The theory is based on writing the free energy functional of the system which …

Tuning electrokinetic flow, ionic conductance, and selectivity in a solid-state nanopore modified with a pH-responsive polyelectrolyte brush: a molecular theory …

M Sadeghi, MH Saidi, A Moosavi… - The Journal of Physical …, 2020 - ACS Publications
We use an efficient molecular theory approach to study electrokinetic flow within a pH-
responsive nanopore grafted with a polyelectrolyte (PE) brush. The flow rate, migration and …

Redox and Acid− Base Coupling in Ultrathin Polyelectrolyte Films

M Tagliazucchi, EJ Calvo, I Szleifer - Langmuir, 2008 - ACS Publications
A single layer of poly (allylamine) with a covalently attached osmium pyridine− bipyridine
complex adsorbed onto a Au surface modified by mercaptopropanesulfonate has been …

Effects of the salt concentration on charge regulation in tethered polyacid monolayers

MJ Uline, Y Rabin, I Szleifer - Langmuir, 2011 - ACS Publications
Charge regulation in polyacid monolayers attached at one end to a planar surface is studied
theoretically. The polyacid layers are designed to mimic single-stranded DNA monolayers …