Biological Active Matter II

Presentations

• Vortex reversals in confined bacterial suspensions

  ORAL · Invited

  March 19, 2025, 2:30 PM – March 19, 2025, 3:06 PM

  Publication: [1] D Nishiguchi, IS Aranson, A Snezhko, A Sokolov, Engineering bacterial vortex lattice via direct laser lithography, Nature Communications 9 (1), 4486 115 (2018)
  [2] H Reinken, D Nishiguchi, S Heidenreich, A Sokolov, M Bär, S. H. L. Klapp & I. S. Aranson, Organizing bacterial vortex lattices by periodic obstacle arrays. Communications Physics 3, 76 (2020)
  [3] D Nishiguchi, Sora Shiratani, K Takeuchi, and IS Aranson, Vortex reversal is a precursor of confined bacterial turbulence, PNAS, in press (2025)

  Presenters

  • Igor S Aronson

    The Pennsylvania State University, Argonne National Laboratory

  Authors

  • Igor S Aronson

    The Pennsylvania State University, Argonne National Laboratory

  View abstract →

• Quadrupolar active stress leads to the collapse of active nematic order under substrate friction

  ORAL

  March 19, 2025, 3:06 PM – March 19, 2025, 3:18 PM

  Presenters

  • Jordi Ignés-Mullol

    University of Barcelona

  Authors

  • Jordi Ignés-Mullol

    University of Barcelona

  • Amin Doostmohammadi

    University of Copenhagen

  • Francesc Sagues

    University of Barcelona

  • Ignasi Vélez-Cerón

    University of Barcelona

  • Aleksandra Ardaseva

    University of Copenhagen

  • Martin C Pedersen

    University of Copenhagen

  View abstract →

• Anomalous statistics of active turbulence in living liquid crystals

  ORAL

  March 19, 2025, 3:18 PM – March 19, 2025, 3:30 PM

  Presenters

  • Yuan Li

    Southern University of Science and Technology, Xiamen University

  Authors

  • Yuan Li

    Southern University of Science and Technology, Xiamen University

  • Aile Sun

    Southern University of Science and Technology

  • Yaokun LUO

    Southern University of Science and Technology

  • Mingkai Chen

    Southern University of Science and Technology

  • Qi-Huo Wei

    Southern University of Science and Technology

  • Zhihong You

    Xiamen University

  View abstract →

• Proliferating Active Nematic Collectively Aligns to Substrate

  ORAL

  March 19, 2025, 3:30 PM – March 19, 2025, 3:42 PM

  Presenters

  • Toshi Parmar

    University of California, Santa Barbara

  Authors

  • Toshi Parmar

    University of California, Santa Barbara

  • Fridtjof Brauns

    University of California, Santa Barbara

  • Cristina Marchetti

    UC Santa Barbara

  View abstract →

• Tethered Enzymes as Nanoscale Active Particles

  ORAL

  March 19, 2025, 3:42 PM – March 19, 2025, 3:54 PM

  Presenters

  • Jennifer L Ross

    Syracuse University

  Authors

  • Jennifer L Ross

    Syracuse University

  • Wylie W Ahmed

    California State University, Fullerton

  • Benjamin Rogers

    Brandeis University

  • Ashley Scott

    Syracuse University

  • Ian Murphy

    Brandeis University

  View abstract →

• Coherent structures in active flows on curved deformable surfaces

  ORAL

  March 19, 2025, 3:54 PM – March 19, 2025, 4:06 PM

  Presenters

  • Sreejith Santhosh

    University of California, San Diego

  Authors

  • Sreejith Santhosh

    University of California, San Diego

  • Mattia Serra

    University of California, San Diego

  View abstract →

• SURFACE WAVES IN A BACTERIAL COLONY AS AN ACTIVE NEMATIC FLUID

  ORAL

  March 19, 2025, 4:06 PM – March 19, 2025, 4:18 PM

  Presenters

  • Aaron Robert Bourque

    Princeton University

  Authors

  • Aaron Robert Bourque

    Princeton University

  • Ricard Alert

    Max Planck Institute for the Physics of Complex Systems

  • Joshua W Shaevitz

    Princeton University

  View abstract →

• Dynamic metachronal ciliary patterns enable complex microswimming behavior

  ORAL

  March 19, 2025, 4:18 PM – March 19, 2025, 4:30 PM

  Presenters

  • Katerina Kourkoulou

    EPFL

  Authors

  • Katerina Kourkoulou

    EPFL

  • Maggie Liu

    University of Pennsylvania

  • Arnold JTM Mathijssen

    University of Pennsylvania

  • Guillermina Ramirez-San Juan

    EPFL, Federal Institute of Technology (EPFL)

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• A biophysical mechanism for non-equilibrium cooperativity in the bacterial flagellar motor

  ORAL

  March 19, 2025, 4:30 PM – March 19, 2025, 4:42 PM

  Presenters

  • Henry H Mattingly

    Simons Foundation (Flatiron Institute), Flatiron Institute, Simons Foundation, NYC

  Authors

  • Henry H Mattingly

    Simons Foundation (Flatiron Institute), Flatiron Institute, Simons Foundation, NYC

  • Yuhai Tu

    IBM Thomas J. Watson Research Center

  View abstract →

• Abstract Withdrawn

  ORAL Withdrawn

  March 19, 2025, 4:42 PM – March 19, 2025, 4:54 PM

  View abstract →

• Characterization of the Reorientation and Fluctuation in Orientation in Sperm Motility

  ORAL

  March 19, 2025, 4:54 PM – March 19, 2025, 5:06 PM

  Presenters

  • Robert L Scott

    North Carolina A&T State University

  Authors

  • Robert L Scott

    North Carolina A&T State University

  • Ayomide Bolaji

    North Carolina A&T State University

  • Shobitha Unnikrishnan

    North Carolina A&T State University

  • Chih-Kuan Tung

    North Carolina A&T State University

  View abstract →