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

S. Yoshida; M. Takinoue; Hiroaki Onoe

doi:10.1109/TRANSDUCERS.2015.7181161

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

S. Yoshida, M. Takinoue, Hiroaki Onoe

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

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 language	English
Title of host publication	2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1267-1270
Number of pages	4
ISBN (Print)	9781479989553
DOIs	https://doi.org/10.1109/TRANSDUCERS.2015.7181161
Publication status	Published - 2015 Aug 5
Event	18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015 - Anchorage, United States Duration: 2015 Jun 21 → 2015 Jun 25

Other

Other	18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
Country/Territory	United States
City	Anchorage
Period	15/6/21 → 15/6/25

Keywords

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

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

Access to Document

10.1109/TRANSDUCERS.2015.7181161

Cite this

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). Article 7181161 Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/TRANSDUCERS.2015.7181161

Dynamic structural transformation of self-assembled Janus hydrogel microparticles under periodically-changed magnetic field. / Yoshida, S.; Takinoue, M.; Onoe, Hiroaki.
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 1267-1270 7181161.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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., 7181161, Institute of Electrical and Electronics Engineers Inc., pp. 1267-1270, 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015, Anchorage, United States, 15/6/21. https://doi.org/10.1109/TRANSDUCERS.2015.7181161

Yoshida S, Takinoue M, Onoe H. 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. Institute of Electrical and Electronics Engineers Inc. 2015. p. 1267-1270. 7181161 doi: 10.1109/TRANSDUCERS.2015.7181161

Yoshida, S. ; Takinoue, M. ; Onoe, Hiroaki. / Dynamic structural transformation of self-assembled Janus hydrogel microparticles under periodically-changed magnetic field. 2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 1267-1270

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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.",

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

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