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Showing 1–5 of 5 results
Advanced filters: Author: Phillip L. Geissler Clear advanced filters

  • Cells can change shape by reorganizing the actin filaments that make up the cytoskeleton, and this is usually achieved through protein interactions. But it seems that the cell membrane, by virtue of its elasticity, can also influence the bundling of actin filaments.

    • Allen P. Liu
    • David L. Richmond
    • Daniel A. Fletcher
    Research
    Nature Physics
    Volume: 4, P: 789-793

  • Highly monodisperse silver polyhedral nanocrystals passivated with polymers are shown to behave as quasi-hard particles that self-assemble by sedimentation into millimetre-sized supercrystals, which correspond to the particles' three-dimensional densest packings. Monte Carlo simulations confirm the observed self-assembled structures, including an exotic structure for octahedra that is stabilized by depletion forces induced by an excess of polymer in solution.

    • Joel Henzie
    • Michael Grünwald
    • Peidong Yang
    Research
    Nature Materials
    Volume: 11, P: 131-137

  • Segregation between binding and non-binding proteins in the space between cells is critical for immune response. In vitro experiments show that size alone suffices to explain the exclusion of non-binding proteins from membrane interfaces.

    • Eva M. Schmid
    • Matthew H. Bakalar
    • Daniel A. Fletcher
    Research
    Nature Physics
    Volume: 12, P: 704-711

  • Membrane deformation is necessary to generate endocytic vesicles, but the molecular mechanisms proposed to drive membrane bending are controversial. Stachowiak and Schmid et al. report that crowding of proteins at the membrane is sufficient to induce curvature in vitro.

    • Jeanne C. Stachowiak
    • Eva M. Schmid
    • Carl C. Hayden
    Research
    Nature Cell Biology
    Volume: 14, P: 944-949