Buckling of actin-coated membranes under appllication of a local force

E. Helfer, S. Harlepp, L. Bourdieu, J. Robert, F.C. Mac Kintosh, D. Chatenay

    Research output: Contribution to JournalArticleAcademic


    Self-assembled actin coated membranes showed evidences of buckling instability when a force was applied locally perpendicular to the membrane plane. This instability originated the coupling between out of plane deformations and in-plane strain. Mechanical properties on the microstructures were measured using two beads grabbed with optical tweezers and were bound to a vesicle. A relation between the applied force and the deformation amplitude was obtained by comparing the total energy and the work exerted by the force.
    Original languageEnglish
    JournalPhysical Review Letters
    Publication statusPublished - 2001


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