Abstract
We present the results of grand canonical Monte Carlo simulations on a model of ‘‘rod-like’’ polyelectrolyte solutions. The model is approximate, but well studied by a variety of techniques. The parameters in the model are chosen to mimic DNA and polystyrenesulfonate solutions. We find that the Poisson–Boltzmann equation retains its semiquantitative utility in this model if 1:1 electrolyte is present, and that integral equation theories are measurably even more accurate. By comparison with experimental results, we argue that there are limitations in the present model. Finally, a simulation of polyions surrounded by divalent mobile ions provides additional evidence for charge inversion under certain thermodynamic conditions. This feature is not predicted by the Poisson–Boltzmann equation.
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 9:08 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 11:50 p.m.) |
Indexed | 1 year, 1 month ago (June 27, 2024, 3:54 a.m.) |
Issued | 39 years, 3 months ago (May 15, 1986) |
Published | 39 years, 3 months ago (May 15, 1986) |
Published Print | 39 years, 3 months ago (May 15, 1986) |
@article{Vlachy_1986, title={A grand canonical Monte Carlo simulation study of polyelectrolyte solutions}, volume={84}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.449898}, DOI={10.1063/1.449898}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Vlachy, V. and Haymet, A. D. J.}, year={1986}, month=may, pages={5874–5880} }