Effect of polymer polarity on ion transport: a competition between ion aggregation and polymer segmental dynamics

BK Wheatle, NA Lynd, V Ganesan - ACS Macro Letters, 2018 - ACS Publications
In this work, we use computer simulations to demonstrate that there may be limits to which
polymer polarity alone can be used to influence the ionic conductivity of salt-doped polymer …

Effect of host incompatibility and polarity contrast on ion transport in ternary polymer-polymer-salt blend electrolytes

BK Wheatle, NA Lynd, V Ganesan - Macromolecules, 2020 - ACS Publications
We study ternary polymer-polymer-salt blend electrolytes using coarse-grained molecular
dynamics. We specifically examine the influence of the polymer hosts' incompatibility and …

Interplay of Polymer Structure, Solvent Ordering, and Charge Fluctuations in Polyelectrolyte Solution Thermodynamics

M Beckinghausen, AJ Spakowitz - Macromolecules, 2022 - ACS Publications
We develop a polymer field-theoretic model that incorporates explicit treatment of
semiflexibility and polar solvents, providing a framework to determine the impact of solvent …

Influence of protein charge patches on the structure of protein–polyelectrolyte complexes

R Samanta, V Ganesan - Soft Matter, 2018 - pubs.rsc.org
We employ a combination of the single chain in mean field simulation approach with the
solution of Poisson's equation to study the influence of charge heterogeneities on the …

Adsorption of Charge Sequence-Specific Polydisperse Polyelectrolytes

V Sethuraman, D Zheng, DC Morse… - Macromolecules, 2022 - ACS Publications
We use coarse-grained molecular dynamics to elucidate the influence of polydispersity on
the adsorption of polydisperse bulk polyanionic chains onto a monodisperse polycationic …

Influence of charge regulation and charge heterogeneity on complexation between polyelectrolytes and proteins

R Samanta, A Halabe, V Ganesan - The Journal of Physical …, 2020 - ACS Publications
We employed a combination of single chain in mean field methodology and constant pH
Monte Carlo framework to compare the influence of charge regulation and charge …

Direct simulations of phase behavior of mixtures of oppositely charged proteins/nanoparticles and polyelectrolytes

R Samanta, V Ganesan - The Journal of Physical Chemistry B, 2020 - ACS Publications
We use direct simulations of particle–polyelectrolyte mixtures using the single chain in mean
field framework to extract the phase diagram for such systems. At high charges of the …

Influence of charge regulation and charge heterogeneity on complexation between weak polyelectrolytes and weak proteins near isoelectric point

R Samanta, V Ganesan - Macromolecular Theory and …, 2021 - Wiley Online Library
A combination of constant pH method and single chain in mean field simulations is
employed to probe the influence of charge regulation and charge heterogeneities on the …

Physics of protein-polyelectrolyte complexes

R Samanta - 2020 - repositories.lib.utexas.edu
A mixture of proteins and polyelectrolytes are widely used in applications such as food
systems, biosensors, protein purification, drug delivery. Experiments have demonstrated that …

Polymer polarity as a design parameter for polymer electrolytes

BKA Wheatle Jr - 2020 - repositories.lib.utexas.edu
Motivated by the need to improve the safety and energy density of lithium-ion batteries, we
explore polymer polarity as a design parameter for polymer electrolytes using molecular …