Influence of Mixed and Multivalent Counterions in Overcharging of DNA-like Spherocylindrical Macroions
Citations Over TimeTop 21% of 2004 papers
Abstract
The influence of multivalent and mixed valency counterions on the ground-state energetics of overscreening of a core DNA-like model (sphero)cylindrical macroion is investigated using an earlier developed energy minimization numerical simulation algorithm. The effects of mono-, di-, tri-, and tetravalent counterions, and mixed valency (mono- plus di-) counterions are compared and contrasted. It is seen that the depth of the minimum in the excess ground-state energy (over the neutral reference state) versus the number of overcharging counterions increases as counterion valency changes from mono- to tetra- testifying to the efficiency of the overcharging process due to multivalent counterions. The influence of (i) the presence of mixed valency counterions and (ii) counterion size on the energetics is also investigated.
Related Papers
- → Ion-ion correlation attraction in a molecular solvent(2008)22 cited
- → Aggregation of rod-like polyelectrolyte chains in the presence of monovalent counterions(2012)35 cited
- → Interactions between Rigid Polyelectrolytes Mediated by Ordering and Orientation of Multivalent Nonspherical Ions in Salt Solutions(2023)4 cited
- → Molecular dynamics and neutron scattering study of the dependence of polyelectrolyte dendrimer conformation on counterion behavior(2012)8 cited
- → Condensation of Rodlike Counterions on a Charged Cylinder(2020)1 cited