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Erythrocytes Membranes: Tethered Shells with Fluid-Like Deformation Regime

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Book cover The Structure and Conformation of Amphiphilic Membranes

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 66))

Abstract

The erythrocyte flickering was studied by phase contrast microscopy at wave lengths, λ , comparable to the cell diameter L and by RIC-microscopy in combination with fast image processing at L λ (to 220nm). The mean square amplitudes < u q 2 > scale with the 4th power of the wavevector, q, showing that the erythrocyte compound membrane behaves as a fluid membrane at small deformations. The bending stiffness is an order of magnitude smaller than expected. Accompanying model membrane studies suggest a solute effect as a possible explanation. A quasihexagonal array of the cytoskeleton-coupled band III is visualized in freeze fracture electronmicrographs and the average length of the spectrin tetramer is determined to be ≤ 80nm.

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Authors and Affiliations

  1. Physik Department, Biophysics Group E22, Technische Universität München, James Franck-Str., W-8046, Garching, Fed. Rep. of Germany

    A. Zilker, H. Strey & E. Sackmann

Authors
  1. A. Zilker
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  2. H. Strey
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  3. E. Sackmann
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Editor information

Editors and Affiliations

  1. Institut für Festkörperforschung Forschungszentrum Jülich, W-5170, Jülich, Fed. Rep. of Germany

    Reinhard Lipowsky , Dieter Richter  & Kurt Kremer ,  & 

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© 1992 Springer-Verlag Berlin Heidelberg

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Zilker, A., Strey, H., Sackmann, E. (1992). Erythrocytes Membranes: Tethered Shells with Fluid-Like Deformation Regime. In: Lipowsky, R., Richter, D., Kremer, K. (eds) The Structure and Conformation of Amphiphilic Membranes. Springer Proceedings in Physics, vol 66. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84763-9_23

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  • DOI: https://doi.org/10.1007/978-3-642-84763-9_23

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84765-3

  • Online ISBN: 978-3-642-84763-9

  • eBook Packages: Springer Book Archive

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