Active polymer gel actuators

Shingo Maeda, Yusuke Hara, Ryo Yoshida, Shuji Hashimoto

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Many kinds of stimuli-responsive polymer and gels have been developed and applied to biomimetic actuators or artificial muscles. Electroactive polymers that change shape when stimulated electrically seem to be particularly promising. In all cases, however, the mechanical motion is driven by external stimuli, for example, reversing the direction of electric field. On the other hand, many living organisms can generate an autonomous motion without external driving stimuli like self-beating of heart muscles. Here we show a novel biomimetic gel actuator that can walk spontaneously with a worm-like motion without switching of external stimuli. The self-oscillating motion is produced by dissipating chemical energy of oscillating reaction. Although the gel is completely composed of synthetic polymer, it shows autonomous motion as if it were alive.

Original languageEnglish
Pages (from-to)52-66
Number of pages15
JournalInternational Journal of Molecular Sciences
Volume11
Issue number1
DOIs
Publication statusPublished - 2010 Jan
Externally publishedYes

Fingerprint

Polymers
Actuators
Gels
actuators
stimuli
Biomimetics
gels
Muscle
polymers
biomimetics
muscles
electroactive polymers
chemical energy
Electric fields
worms
reversing
organisms
electric fields
Direction compound

Keywords

  • Oscillating reaction
  • Polymer actuator
  • Polymer gel

ASJC Scopus subject areas

  • Computer Science Applications
  • Molecular Biology
  • Catalysis
  • Inorganic Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Active polymer gel actuators. / Maeda, Shingo; Hara, Yusuke; Yoshida, Ryo; Hashimoto, Shuji.

In: International Journal of Molecular Sciences, Vol. 11, No. 1, 01.2010, p. 52-66.

Research output: Contribution to journalArticle

Maeda, Shingo ; Hara, Yusuke ; Yoshida, Ryo ; Hashimoto, Shuji. / Active polymer gel actuators. In: International Journal of Molecular Sciences. 2010 ; Vol. 11, No. 1. pp. 52-66.
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