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Ion induced lamellar-lamellar phase transition in charged surfactant systems
 

Summary: Ion induced lamellar-lamellar phase transition in charged
surfactant systems
Daniel Harriesa
Laboratory of Physical and Structural Biology, National Institute of Child Health and Human Development,
National Institutes of Health, Bethesda, Maryland 20892-0924
Rudi Podgornik
Laboratory of Physical and Structural Biology, National Institute of Child Health and Human Development,
National Institutes of Health, Bethesda, Maryland 20892-0924, Faculty of Mathematics and Physics,
University of Ljubljana, Ljubljana, Slovenia SI-1000, and Department of Theoretical Physics, Jozef Stefan
Institute, Ljubljana, Slovenia SI-1000
V. Adrian Parsegian
Laboratory of Physical and Structural Biology, National Institute of Child Health and Human Development,
National Institutes of Health, Bethesda, Maryland 20892-0924
Etay Mar-Or and David Andelman
School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences,
Tel Aviv University, Tel Aviv 69978, Israel
Received 17 January 2006; accepted 29 March 2006; published online 9 June 2006
We propose a model for the liquid-liquid L L phase transition observed in osmotic pressure
measurements of certain charged lamellae-forming amphiphiles. The model free energy combines
mean-field electrostatic and phenomenological nonelectrostatic interactions, while the number of

  

Source: Andelman, David - School of Physics and Astronomy, Tel Aviv University
Harries, Daniel - Institute of Chemistry, Hebrew University of Jerusalem

 

Collections: Chemistry; Materials Science; Physics