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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<br>"Kinetic relaxation of giant vesicles validates diffusional softening in a binary lipid mixture" biorxiv 2022<br>"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. <br><br>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.<br><br>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 →

  • Thermosensing through membrane mechanics

    ORAL

    –

    Presenters

    • Carlos D Alas

      University of Southern California

    Authors

    • Carlos D Alas

      University of Southern California

    • Christoph A Haselwandter

      University of Southern California

    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).<br>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

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  • 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 →