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  Specific Anion and Cation Binding to Lipid Membranes Investigated on a Solid Supported Membrane

Garcia-Celma, J. J., Hatahet, L., Kunz, W., & Fendler, K. (2007). Specific Anion and Cation Binding to Lipid Membranes Investigated on a Solid Supported Membrane. Langmuir, 23(20), 10074-10080. doi:10.1021/la701188f.

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 Creators:
Garcia-Celma, Juan J.1, Author              
Hatahet, Lina1, Author              
Kunz, Werner2, Author
Fendler, Klaus1, Author              
Affiliations:
1Department of Biophysical Chemistry, Max Planck Institute of Biophysics, Max Planck Society, ou_2068289              
2Institute of Physical and Theoretical Chemistry, University of Regensburg, 93040 Regensburg, Germany , ou_persistent22              

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Free keywords: Anions; Lip; Ions; Membranes; Cations
 Abstract: Ion binding to a lipid membrane is studied by application of a rapid solution exchange on a solid supported membrane. The resulting charge displacement is analyzed in terms of the affinity of the applied ions to the lipid surface. We find that chaotropic anions and kosmotropic cations are attracted to the membrane independent of the membrane composition. In particular, the same behavior is found for lipid headgroups bearing no charge, like monoolein. This general trend is modulated by electrostatic interaction of the ions with the lipid headgroup charge. These results cannot be explained with the current models of specific ion interactions.

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Language(s): eng - English
 Dates: 2007-06-202007-04-242007-08-242007-09-25
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/la701188f
PMID: 17718523
 Degree: -

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Title: Langmuir
  Abbreviation : Langmuir
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Columbus, OH : American Chemical Society
Pages: - Volume / Issue: 23 (20) Sequence Number: - Start / End Page: 10074 - 10080 Identifier: ISSN: 0743-7463
CoNE: https://pure.mpg.de/cone/journals/resource/954925541194