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Photo Marie Skepö

Marie Skepö

Professor

Photo Marie Skepö

Competition between a macroion and a polyelectrolyte in complexation with an oppositely charged polyelectrolyte

Author

  • Marie Skepö

Summary, in English

The competition between a spherical macroion and a polyelectrolyte in complexation with an oppositely charged flexible polyelectrolyte has been studied by means of Monte Carlo simulations. A simple model system with focus on the electrostatic interactions has been used to investigate under what conditions the macroion in a polyelectrolyte-macroion complex (excess of polyelectrolyte charges) is exchanged with a polyelectrolyte. It is shown that the macroion is released when the charge of the added polyelectrolyte equals or exceeds that of the polyelectrolyte in the complex. The effect of the polyelectrolyte length, flexibility, and linear charge density on the macroion release has been investigated.

Publishing year

2004-04-29

Language

English

Pages

5431-5437

Publication/Series

Journal of Physical Chemistry B

Volume

108

Issue

17

Document type

Journal article

Publisher

The American Chemical Society (ACS)

Topic

  • Theoretical Chemistry (including Computational Chemistry)

Status

Published

ISBN/ISSN/Other

  • ISSN: 1520-6106