A multiple microrobot system with thermally responsive microclampers

Gwangjun Go, Hyunchul Choi, Cheong Lee, Seong Young Ko, Jong Oh Park, Sukho Park

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Various microrobots using an electromagnetic actuated (EMA) system have been studied in manipulating micro-objects and live cells with micro-size due to their free locomotion and precise controllability. In almost all researches, only single microrobot was controlled for microparticle manipulation. However, a single microrobot has a limitation on performing multiple roles. As a remedy of the limitation on a single microrobot, we propose a multiple electromagnetic actuated microrobot system for microparticle manipulation. First, for locomotion of the microrobots, the EMA system with 3 pairs of Helmholtz coils and 2 pairs of Maxwell coils is designed and fabricated. Second, the microrobots with different shapes are proposed for microparticle manipulation. In addition, for the selection of a specific microrobot among the multiple microrobot, microclamper using thermal responsive hydrogel (pNIPAm) and microheater for local heat transfer are used. As basic experiment, locomotion test of the single microrobot are executed. Finally, through the independent control of the multiple microrobots, we demonstrate manipulation of microparticles with different shapes (disk and cube). Consequently, we confirm that the multiple electromagnetic actuated microrobots can be used for microparticles manipulation and may be applied to cell manipulation and bioprinting.

Original languageEnglish
Title of host publication2016 6th IEEE International Conference on Biomedical Robotics and Biomechatronics, BioRob 2016
PublisherIEEE Computer Society
Pages1186-1191
Number of pages6
ISBN (Electronic)9781509032877
DOIs
StatePublished - 26 Jul 2016
Event6th IEEE RAS/EMBS International Conference on Biomedical Robotics and Biomechatronics, BioRob 2016 - Singapore, Singapore
Duration: 26 Jun 201629 Jun 2016

Publication series

NameProceedings of the IEEE RAS and EMBS International Conference on Biomedical Robotics and Biomechatronics
Volume2016-July
ISSN (Print)2155-1774

Conference

Conference6th IEEE RAS/EMBS International Conference on Biomedical Robotics and Biomechatronics, BioRob 2016
Country/TerritorySingapore
CitySingapore
Period26/06/1629/06/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

Keywords

  • Microparticle manipulation
  • magnetic control
  • multiple microrobots
  • thermally responsive hydrogel

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