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Photo Marie Skepö

Marie Skepö

Professor

Photo Marie Skepö

Structure of polyelectrolytes in 3 : 1 salt solutions

Author

  • J M G Sarraguca
  • Marie Skepö
  • A A C C Pais
  • Per Linse

Summary, in English

Polyion conformation and the distribution of small ions near the polyion have been investigated using Monte Carlo simulations. The systems of interest contained one polyion and its monovalent counterions, and variable amount of a 3:1 salt. With monovalent counterions only, the polyion is strongly extended. As salt is added, the polyion folds, and the most compact and spherical-like structure appears at a three-fold excess of the trivalent counterions. The polyion exerts a strong influenc

on the nearest-neighbor distance among the trivalent ions, an effect being relevant for energy transfer reactions. (C) 2003 American Institute of Physics.

Department/s

  • Department of Chemistry
  • Physical Chemistry

Publishing year

2003

Language

English

Pages

12621-12628

Publication/Series

Journal of Chemical Physics

Volume

119

Issue

23

Document type

Journal article

Publisher

American Institute of Physics (AIP)

Topic

  • Physical Chemistry (including Surface- and Colloid Chemistry)

Status

Published

ISBN/ISSN/Other

  • ISSN: 0021-9606