Kavli Affiliate: Mark Bowick
| First 5 Authors: John Berezney, John Berezney, , ,
| Summary:
Equilibrium self-assembly and conventional materials processing techniques
fall far short of mimicking dynamic self-actuating processes that are
commonplace throughout biology. To bridge the gap between living and synthetic
matter, we study adhesive non-thermal fibers immersed in an active fluid.
Autonomous chaotic flows power non-equilibrium fiber dynamics, inducing their
collisions, generating connections, and weaving a membrane-shaped elastic
network. This active assembly generates a hierarchy of shapes, structures, and
dynamical processes spanning nanometers to centimeters. Ultimately, it
generates an active membrane that exhibits global limit cycles induced by a
non-reciprocal coupling between the elastic membrane deformations and the
alignment axis of the polar active fluid. Our work merges self-assembly with
active matter, demonstrating self-processing materials wherein hierarchical
life-like structures and dynamics emerge from an initially structureless
suspension.
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