Self-assembled hydrogel microspring for soft actuator

Koki Yoshida, Hiroaki Onoe

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)


We found that a hydrogel microspring was formed by extruding sodium alginate pre-gel solution into calcium chloride solution using a bevel-tip microfluidic capillary. The formation of the microspring depends on the diameter of the capillary, flow rate and tip angle. As an example of soft actuator, the microspring including magnetic colloids was actuated by applying magnetic fields. We believe that the microspring will be used to various application including mechanical elements using soft materials.

Original languageEnglish
Article number7050877
Pages (from-to)26-28
Number of pages3
JournalProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Issue numberFebruary
Publication statusPublished - 2015 Feb 26
Event2015 28th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2015 - Estoril, Portugal
Duration: 2015 Jan 182015 Jan 22

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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