Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-10-15
Phys. Rev. Lett. 97, 018102 (2006)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
Monte Carlo simulations were employed to study two charged rods confined between two unlike charged plates, all immersed in a model electrolyte. Recently, it was shown that two rods immersed in a multivalent counterion solution may show attraction (PRL 78, 2477 (1997)). Here we show for a monovalent electrolyte that rod-rod attraction and repulsion can switch sign depending on confinement and ionic size. We also propose a simple self-assembling mechanism which may be helpful to understand the DNA-lipid bilayers complexation.
Jimenez-Angeles Felipe
Lozada-Cassou Marcelo
Odriozola Gerardo
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