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Showing 1–9 of 9 results
Advanced filters: Author: Sam Safran Clear advanced filters

  • Anisotropic sub-diffusion of chromosomal loci in Bacillus subtilis arises from the bottlebrush chromosomal architecture, as shown by simulations and experiments, consistent with polymer scaling predictions in crowded, viscoelastic media.

    • Gaurav Bajpai
    • Samuel Safran
    • Rinat Arbel-Goren
    ResearchOpen Access
    Communications Biology
    Volume: 8, P: 1-13

  • Cardiomyocyte function depends on the interplay between the intracellular fibrillar organization, contraction strain and substrate stiffness. Here the authors present a model that maps the measured values of the registry striations to those of the beating strain as functions of the substrate rigidity.

    • K. Dasbiswas
    • S. Majkut
    • Samuel A. Safran
    Research
    Nature Communications
    Volume: 6, P: 1-8

  • A synthetic phase separation system consisting of two protein components with tunable parameters was developed to visualize and characterize phase diagrams in living cells, revealing that increasing the interaction affinity enhances phase separation and the viscosity of condensates in vivo.

    • Meta Heidenreich
    • Joseph M. Georgeson
    • Emmanuel D. Levy
    Research
    Nature Chemical Biology
    Volume: 16, P: 939-945

  • Modern energy-storage technologies are based on porous electrodes that store charge within nanometrically-narrow pores or slits. Here the authors show an approach to probe and measure, for the first time, the charging dynamics within an individual nano-slit – the basic element of a porous electrode.

    • Ran Tivony
    • Sam Safran
    • Jacob Klein
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • Fluids that respond to magnetic fields are predicted to display complex behaviour and morphologies. New experiments with colloidal dispersions provide direct evidence for self-assembled chains and networks in such systems.

    • S.A. Safran
    News & Views
    Nature Materials
    Volume: 2, P: 71-72

  • This paper models how proteins form clusters before undergoing phase separation. It finds that some proteins, like Cytoplasmic Polyadenylation Element Binding-4 (CPEB4), form stable clusters that later aggregate, while others, like Fused in Sarcoma (FUS), form transient clusters that grow and coalesce into larger condensates.

    • Gonen Golani
    • Manas Seal
    • Samuel Safran
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-10