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Influence of lipid composition and membrane curvature on fluorescence and solvent relaxation kinetics in unilamellar vesicles

  • Fluorescence of Membranes
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Abstract

Time-resolved fluorescence on unilamellar vesicles shows that increasing amounts of anionic, natural lipid lead to a larger increase in polarity close to the headgroups than in the hydrophobic core of the bilayer. The region close to the headgroups is less polar in vesicles containing phosphatic acid rather than phosphatidylserine. A greater membrane curvature increases the mobility of the hydrated headgroups.

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Authors and Affiliations

  1. Institute of Physical Chemistry, University of Würzburg, Marcusstr. 9/11, D-97070, Würzburg, Germany

    R. Hutterer & F. W. Schneider

  2. Max-Planck-Institute for Biophysics, Kennedy Allec 70, D-50596, Frankfurt, Germany

    N. Pérez & H. Ruf

  3. Institute of Physical Chemistry, Charles University, Albertov 2030, Cz-12840, Prague 2, Czech Republic

    M. Hof

Authors
  1. R. Hutterer
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  2. F. W. Schneider
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  3. N. Pérez
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  4. H. Ruf
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  5. M. Hof
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Hutterer, R., Schneider, F.W., Pérez, N. et al. Influence of lipid composition and membrane curvature on fluorescence and solvent relaxation kinetics in unilamellar vesicles. J Fluoresc 3, 257–259 (1993). https://doi.org/10.1007/BF00865274

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  • DOI: https://doi.org/10.1007/BF00865274

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