Morphologies of semiflexible polyelectrolyte complexes
Max-Planck-Institut für Kolloid-
und Grenzflächenforschung 14424 Potsdam, Germany
2 Sektion Physik, LMU - Theresienstr. 37, 80333 München, Germany
Accepted: 28 January 2002
Complexation between a stiff charged cylinder and an oppositely charged semiflexible polymer is studied using linear Debye-Hückel theory (valid for large enough salt concentration or weakly charged polymers). The salt-concentration–dependent phase diagram features helical and, favored for increasing stiffness of the wrapping polymer, straight wrapping morphologies. Non-linear (counterion release) effects are discussed on the scaling level.
PACS: 82.70.-y – Disperse systems; complex fluids / 87.15.-v – Biomolecules: structure and physical properties / 82.45.-h – Electrochemistry and electrophoresis
© EDP Sciences, 2002