Dynamic structural transformation of self-assembled Janus hydrogel microparticles under periodically-changed magnetic field

S. Yoshida, M. Takinoue, Hiroaki Onoe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper describes self-assembly of Janus hydrogel microparticles, which enables to transform the assembled structures dynamically. Using a centrifuge-based microfluidic device, we fabricated Janus hydrogel microparticles encapsulating superparamagnetic materials in one side to respond to magnetic field. We succeeded in dynamic construction of structures using hydrogel microparticles and in acquiring three different self-assembled structures (two different pearl chain structures and close packing structures) that can transform to other structures dynamically by controlling precessional magnetic field for the first time. We believe that our system will be an effective platform for dynamic cell cultivation system, for organizing biomimetic autonomous microrobots, and for understanding self-organization and complex systems observed in nature.

Original languageEnglish
Title of host publication2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1267-1270
Number of pages4
ISBN (Print)9781479989553
DOIs
Publication statusPublished - 2015 Aug 5
Event18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015 - Anchorage, United States
Duration: 2015 Jun 212015 Jun 25

Other

Other18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
CountryUnited States
CityAnchorage
Period15/6/2115/6/25

Keywords

  • Calcium Alginate
  • Centrifugal Microfluidics
  • Dynamic Self-Assembly
  • Janus Hydrogel Microparticles
  • Magnetic Field

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

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    Yoshida, S., Takinoue, M., & Onoe, H. (2015). Dynamic structural transformation of self-assembled Janus hydrogel microparticles under periodically-changed magnetic field. In 2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015 (pp. 1267-1270). [7181161] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/TRANSDUCERS.2015.7181161