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Experimental Evidence of the Electrostatic Contribution to the Bending Rigidity of Charged Membranes

Title data

Delorme, Nicolas ; Bardeau, Jean-François ; Carrière, David ; Dubois, Monique ; Gourbil, A. ; Möhwald, Helmuth ; Zemb, Thomas ; Fery, Andreas:
Experimental Evidence of the Electrostatic Contribution to the Bending Rigidity of Charged Membranes.
In: The Journal of Physical Chemistry B. Vol. 111 (March 2007) Issue 10 . - pp. 2503-2505.
ISSN 1520-5207
DOI: https://doi.org/10.1021/jp068252v

Official URL: Volltext

Abstract in another language

We address the issue of the origin of the bending rigidity of a charged membrane formed from amphiphilic molecules. Electrostatic effects are investigated by direct measurement of the force necessary to deform a catanionic membrane as function of the ionic strength of the medium by means of an atomic force microscope (AFM). Using continuum mechanical modeling of membrane deformation, we derive the bending rigidity of the catanionic membranes and monitor for the first time its decrease in response to increasing salt concentration.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: No
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 08 Dec 2014 14:34
Last Modified: 18 Feb 2016 08:26
URI: https://eref.uni-bayreuth.de/id/eprint/4019