Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session X63: Out-of-Equilibrium Properties of Soft Materials and Biological Systems
8:00 AM–10:48 AM,
Friday, March 8, 2019
BCEC
Room: 259A
Sponsoring
Units:
GSOFT DBIO
Chair: Stephen Whitelam, University of California, Berkeley
Abstract: X63.00002 : Designing active colloidal architectures from diffusiophoretic interactions*
8:36 AM–8:48 AM
Presenter:
Antoine Aubret
(University of California, San Diego)
Authors:
Antoine Aubret
(University of California, San Diego)
Jeremie Palacci
(University of California, San Diego)
sheets microscopy (HILO). The results agree with analytical and numerical predictions of a simple model of a rotor forming a hexapolar sink of fuel. We show that gears act as contactless ‘teeth’, synchronizing their motion, and constitute the fundamental components of synchronized micro-machineries that auto-regulate and whose dynamics is tuned by the spins of their internal components.
The study demonstrate the potential of non-equilibrium interactions to program self-assembly and control dynamical colloidal architectures beyond static, equilibrium assemblies.
*This material is based on work supported by the National Science Foundation, Grant No. DMR-1554724. J.P. thanks the Sloan Foundation for support through grant FG-2017-9392.
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