Membranes I

FOCUS · A10 · ID: 1067858

Presentations

  • The dynamic softening and intrinsic stiffening effect of cholesterol on membranes

    ORAL · Invited

    –

    Publication: "Molecular mechanisms of spontaneous curvature and softening in complex lipid bilayer mixtures" Biophysical Journal 2022
    "Kinetic relaxation of giant vesicles validates diffusional softening in a binary lipid mixture" biorxiv 2022
    "Intrinsic stiffening and dynamic softening by cholesterol" main paper, planned.

    Presenters

    • Alexander J Sodt

      Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, NIH

    Authors

    • Alexander J Sodt

      Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, NIH

    • Amirali Hossein

      National Institutes of Health - NIH

    • Teshani Kumarage

      Department of Physics and Center for Soft Matter & Biological Physics, Virginia Tech, Blacksburg, VA 24061, USA, Virginia Tech

    • Rana Ashkar

      Department of Physics and Center for Soft Matter and Biological Physics, Virginia Tech, Virginia Tech, Department of Physics and Center for Soft Matter & Biological Physics, Virginia Tech, Blacksburg, VA 24061, USA

    View abstract →

  • Cholesterol Hydrogen Bonding Interactions in Lipid Membranes: Insights from Raman Fingerprint Modes

    ORAL

    –

    Publication: M. L. Simeral, J. H. Hafner, The Raman Active Vibrational Modes of Anthraquinones, Astrobiology 2022, v. 22, no. 11. DOI: 10.1089/ast.2021.0170.

    S. C. Uyeki, C. Pacheco, M. L. Simeral, J. H. Hafner, The Raman Active Vibrations of Flavone and Quercetin: The Impact of Conformers and Hydrogen Bonding on Fingerprint Modes, J. Phys. Chem. A, submitted.

    M. L. Simeral, S. M. Demers, K. Sheth, J. H. Hafner, The Raman Active Vibrations of Cholesterol: The Impact of Conformers and Hydrogen Bonding on Fingerprint Modes, in preparation.

    Presenters

    • Jason H Hafner

      Rice University

    Authors

    • Jason H Hafner

      Rice University

    • Mathieu L Simeral

      Rice University

    • Steven M Demers

      Savannah River Natl Laboratory

    • Kyle Sheth

      University of Texas Medical Branch, John Sealy School of Medicine

    View abstract →

  • Scaling relations of elastic and structural properties in cholesterol-rich lipid membranes

    ORAL

    –

    Presenters

    • Teshani Kumarage

      Department of Physics and Center for Soft Matter & Biological Physics, Virginia Tech, Blacksburg, VA 24061, USA, Virginia Tech

    Authors

    • Teshani Kumarage

      Department of Physics and Center for Soft Matter & Biological Physics, Virginia Tech, Blacksburg, VA 24061, USA, Virginia Tech

    • Sudipta Gupta

      Department of Physics and Center for Soft Matter and Biological Physics, Virginia Tech, Department of Physics and Center for Soft Matter & Biological Physics, Virginia Tech, Blacksburg, VA 24061, USA

    • Fathima T Doole

      Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ 85721, USA

    • Milka Doktorova

      University of Virginia, Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22904, USA

    • Haden Scott

      Neutron Scattering Division and Shull Wollan Center, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

    • Laura-Roxana Stingaciu

      Oak Ridge National Lab, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

    • John Katsaras

      Neutron Scattering Division and Shull Wollan Center, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

    • George Khelashvili

      Department of Physiology and Biophysics and Institute of Computational Biomedicine, Weill Cornell Medical College, New York, NY 10065

    • Michael F Brown

      Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ 85721, USA

    • Rana Ashkar

      Department of Physics and Center for Soft Matter and Biological Physics, Virginia Tech, Virginia Tech, Department of Physics and Center for Soft Matter & Biological Physics, Virginia Tech, Blacksburg, VA 24061, USA

    View abstract →

  • Soft meshes for soft matter: A Molecular Dynamics approach to simulating continuum models of fluid bilayer vesicles

    ORAL

    –

    Publication: Submitted and under review: APS Phys Rev E

    Presenters

    • Ali Farnudi

      École Normale Supérieure de Lyon

    Authors

    • Ali Farnudi

      École Normale Supérieure de Lyon

    • Ralf Everaers

      Université de Lyon, École Normale Supérieure (ENS) de Lyon, Laboratoire de Physique and Centre Blaise Pascal de l'ENS de Lyon, F-69342 Lyon, France, Ecole normale supérieure de Lyon

    • Mohammad Reza Ejtehadi

      Sharif University of Technology

    View abstract →

  • Force-sensing in Piezo ion channels

    ORAL

    –

    Publication: C. A. Haselwandter, Y. R. Guo, Z. Fu, and R. MacKinnon, Proc. Natl. Acad. Sci. U.S.A. 119, e2208027119 (2022).
    C. A. Haselwandter, Y. R. Guo, Z. Fu, and R. MacKinnon, Proc. Natl. Acad. Sci. U.S.A. 119, e2208034119 (2022).

    Presenters

    • Christoph A Haselwandter

      University of Southern California

    Authors

    • Christoph A Haselwandter

      University of Southern California

    View abstract →

  • Lipid number asymmetry: The hidden dimension of mammalian plasma membranes

    ORAL · Invited

    –

    Presenters

    • Ilya Levental

      University of Virginia

    Authors

    • Ilya Levental

      University of Virginia

    • Milka Doktorova

      University of Virginia, Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22904, USA

    • Jessica Symons

      University of Texas Health Science Center at Houston

    • Kandice Levental

      University of Virginia

    View abstract →