Osmotic swelling behavior of surface-charged ionic microgels

MO Alziyadi, AR Denton - The Journal of Chemical Physics, 2023 - pubs.aip.org
In recent years, ionic microgels have garnered much attention due to their unique properties,
especially their stimulus-sensitive swelling behavior. The tunable response of these soft …

Effective electrostatic interaction between columnar colloids: roles of solvent steric hindrance, polarity, and surface geometric characteristics

S Zhou - Molecular Physics, 2023 - Taylor & Francis
In the present work, coupling between the electrostatic interaction and solvent steric
hindrance, and solvent polarity are studied by classical density functional theory with …

Self-Healing of Charged Microgels in Neutral and Charged Environments

AV Petrunin, MM Schmidt, R Schweins, JE Houston… - Langmuir, 2023 - ACS Publications
The softness of microgels depends on many aspects, such as particle characteristic lengths,
sample concentration, chemical composition of the sample, and elastic moduli of the …

Modeling deswelling, thermodynamics, structure, and dynamics in ionic microgel suspensions

ME Brito, AR Denton, G Nägele - The journal of chemical physics, 2019 - pubs.aip.org
Ionic microgel particles in a good solvent swell to an equilibrium size determined by a
balance of electrostatic and elastic forces. When crowded, ionic microgels deswell owing to …

Effective charge of PNIPAM microgels determined by conductivity measurements

A Campos‐Ramírez, A Lozano‐Martínez… - Journal of Polymer …, 2023 - Wiley Online Library
Understanding the effective charge of colloidal particles is crucial to control the stability and
performance of a colloidal system. In particular, the electrostatic interaction potential …

Crystallization kinetics of charged PNIPAM microgels dispersions at low volume fractions

J Bocanegra-Flores, C Haro-Pérez… - Frontiers in …, 2022 - frontiersin.org
This work studies the kinetics of crystallization of charged microgels suspensions of Poly-N-
Isopropylacrylamide (PNIPAM) at low ionic strength. The liquid-crystal transition is induced …

A self-consistent Ornstein–Zernike jellium for highly charged colloids (microgels) in suspensions with added salt

LA Aguirre-Manzo… - Journal of Physics …, 2021 - iopscience.iop.org
This work discusses a jellium scheme, built within the framework of the multicomponent
Ornstein–Zernike (OZ) equation, which is capable of describing the collective structure of …

Crossover of the effective charge in ionic thermoresponsive hydrogel particles

A Moncho-Jordá, M Quesada-Pérez - Physical Review E, 2019 - APS
We use a generalized nonlinear Poisson-Boltzmann cell model that includes excluded-
volume effects to investigate whether the effective charge (Z eff) of charged thermosensitive …

Volume transition effects on the correlations and effective interactions among highly charged microgels

LA Aguirre-Manzo, P González-Mozuelos - Soft Matter, 2020 - pubs.rsc.org
Recent experimental studies have demonstrated the huge influence that the volume phase
transition (VPT) has on the collective structure of highly charged thermo-responsive …

Crystallization kinetics of charged PNIPAM microgels dispersions at low volume fractions

D Reyes Contreras, J Bocanegra Flores, C Haro Pérez… - 2022 - ri.uaemex.mx
This work studies the kinetics of crystallization of charged microgels suspensions of Poly-N-
Isopropylacrylamide (PNIPAM) at low ionic strength. The liquid-crystal transition is induced …