Shape-programmed 3D printed swimming microtori for the transport of passive and active agents

Remmi Danae Baker, Thomas Montenegro-Johnson, Anton D. Sediako, Murray J. Thomson, Ayusman Sen, Eric Lauga, Igor S. Aranson

Research output: Contribution to journalArticle

Abstract

Through billions of years of evolution, microorganisms mastered unique swimming behaviors to thrive in complex fluid environments. Limitations in nanofabrication have thus far hindered the ability to design and program synthetic swimmers with the same abilities. Here we encode multi-behavioral responses in microscopic self-propelled tori using nanoscale 3D printing. We show experimentally and theoretically that the tori continuously transition between two primary swimming modes in response to a magnetic field. The tori also manipulated and transported other artificial swimmers, bimetallic nanorods, as well as passive colloidal particles. In the first behavioral mode, the tori accumulated and transported nanorods; in the second mode, nanorods aligned along the toriʼs self-generated streamlines. Our results indicate that such shape-programmed microswimmers have a potential to manipulate biological active matter, e.g. bacteria or cells.

Original languageEnglish (US)
Article number4932
JournalNature communications
Volume10
Issue number1
DOIs
StatePublished - Dec 1 2019

Fingerprint

Nanotubes
Active Biological Transport
Nanorods
nanorods
nanofabrication
microorganisms
Magnetic Fields
Nanotechnology
printing
Microorganisms
bacteria
Printing
Bacteria
Magnetic fields
Fluids
fluids
cells
magnetic fields
Swimming

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Baker, Remmi Danae ; Montenegro-Johnson, Thomas ; Sediako, Anton D. ; Thomson, Murray J. ; Sen, Ayusman ; Lauga, Eric ; Aranson, Igor S. / Shape-programmed 3D printed swimming microtori for the transport of passive and active agents. In: Nature communications. 2019 ; Vol. 10, No. 1.
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Shape-programmed 3D printed swimming microtori for the transport of passive and active agents. / Baker, Remmi Danae; Montenegro-Johnson, Thomas; Sediako, Anton D.; Thomson, Murray J.; Sen, Ayusman; Lauga, Eric; Aranson, Igor S.

In: Nature communications, Vol. 10, No. 1, 4932, 01.12.2019.

Research output: Contribution to journalArticle

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