Interactions between rigid polyelectrolytes mediated by ordering and orientation of multivalent nonspherical ions in salt solutions
Multivalent ions in solutions with polyelectrolytes (PEs) induce electrostatic correlations that
can drastically change ion distributions around the PEs and their mutual interactions. Using …
can drastically change ion distributions around the PEs and their mutual interactions. Using …
Ion condensation onto ribozyme is site specific and fold dependent
The highly charged RNA molecules, with each phosphate carrying a single negative charge,
cannot fold into well-defined architectures with tertiary interactions in the absence of ions …
cannot fold into well-defined architectures with tertiary interactions in the absence of ions …
Local structure of DNA toroids reveals curvature-dependent intermolecular forces
In viruses and cells, DNA is closely packed and tightly curved thanks to polyvalent cations
inducing an effective attraction between its negatively charged filaments. Our understanding …
inducing an effective attraction between its negatively charged filaments. Our understanding …
Surface electrostatic force in presence of dimer counter-ion
S Zhou - Journal of Molecular Liquids, 2021 - Elsevier
Combining classical density functional theory with modified interfacial statistical associating
fluid theory, we investigate the surface electrostatic force (SEF) between two negatively and …
fluid theory, we investigate the surface electrostatic force (SEF) between two negatively and …
Charged nanorods at heterogeneously charged surfaces
A Naji, K Hejazi, E Mahgerefteh… - The Journal of Chemical …, 2018 - pubs.aip.org
We study the spatial and orientational distribution of charged nanorods (rodlike counterions)
as well as the effective interaction mediated by them between two plane-parallel surfaces …
as well as the effective interaction mediated by them between two plane-parallel surfaces …
Orientational transition and complexation of DNA with anionic membranes: weak and intermediate electrostatic coupling
We characterize the role of charge correlations in the adsorption of a short, rodlike anionic
polyelectrolyte onto a similarly charged membrane. Our theory reveals two different …
polyelectrolyte onto a similarly charged membrane. Our theory reveals two different …
Counterion condensation theory for finite polyelectrolyte and salt concentrations
JA Bertolotto, JP Umazano - Journal of Physics: Condensed …, 2022 - iopscience.iop.org
In the present work we analyze the physical fundamentals of Manning's counterion
condensation using his charged line model in a simple salt solution. We extend the theory …
condensation using his charged line model in a simple salt solution. We extend the theory …
Condensation of Rodlike Counterions on a Charged Cylinder
We study the condensations of dumbbell-like counterions onto an oppositely charged
cylinder at weak and strong electrostatic coupling strengths. Performing extensive Monte …
cylinder at weak and strong electrostatic coupling strengths. Performing extensive Monte …
Control of solvent exposure of cationic polypeptides in anionic environment
Here we study anionic biphosphate condensation around cationic HIV-1 Tat peptide to
understand interaction between charged functional groups with counter-anion. Our all-atom …
understand interaction between charged functional groups with counter-anion. Our all-atom …
Rodlike counterions at heterogeneously charged surfaces
A Naji, K Hejazi, E Mahgerefteh… - arxiv preprint arxiv …, 2018 - arxiv.org
We study the spatial and orientational distribution of rodlike counterions (such as mobile
nanorods) as well as the effective interaction mediated by them between two plane-parallel …
nanorods) as well as the effective interaction mediated by them between two plane-parallel …