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Polymers 2011, 3(1), 299-313; doi:10.3390/polym3010299

Design of Autonomous Gel Actuators

Department of Applied Physics, Graduate School of Science and Engineering, Waseda University, 3-4-1 Okubo Shinjuku-ku, Tokyo 169-8555, Japan
Nanosystem Research Institute, NRI, National Institute of Advanced Science and Technology, AIST, Central 5-2, 1-1-1 Higashi, Tsukuba 305-8565, Japan
Current Address: Sony Advanced Materials Laboratories.
Author to whom correspondence should be addressed.
Received: 15 November 2010 / Revised: 15 December 2010 / Accepted: 10 January 2011 / Published: 11 January 2011
(This article belongs to the Special Issue Biofunctional Polymers for Medical Applications)
View Full-Text   |   Download PDF [548 KB, uploaded 11 January 2011]   |  


In this paper, we introduce autonomous gel actuators driven by chemical energy. The polymer gels prepared here have cyclic chemical reaction networks. With a cyclic reaction, the polymer gels generate periodical motion. The periodic motion of the gel is produced by the chemical energy of the oscillatory Belouzov-Zhabotinsky (BZ) reaction. We have succeeded in making synthetic polymer gel move autonomously like a living organism. This experimental fact represents the great possibility of the chemical robot.
Keywords: gel; gel actuator; chemical robot   gel; gel actuator; chemical robot  
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Maeda, S.; Hara, Y.; Nakamaru, S.; Hashimoto, S. Design of Autonomous Gel Actuators. Polymers 2011, 3, 299-313.

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