Polymers 2011, 3(1), 405-412; doi:10.3390/polym3010405
Letter

A Pendulum-Like Motion of Nanofiber Gel Actuator Synchronized with External Periodic pH Oscillation

Hiroki Nakagawa 1,* email, Yusuke Hara 2,* email, Shingo Maeda 1 email and Shuji Hasimoto 1 email
1 Department of Applied Physics, Graduate School of Science and Engineering, Waseda University, 3-4-1 Okubo Shinjuku-ku, Tokyo 169-8555, Japan 2 Nanosystem Research Institute (NRI), National Institute of Advanced Science and Technology (AIST), Central 5-2, 1-1-1 Higashi, Tsukuba 305-8565, Japan
* Authors to whom correspondence should be addressed.
Received: 20 December 2010 / Accepted: 6 February 2011 / Published: 8 February 2011
(This article belongs to the Special Issue Biofunctional Polymers for Medical Applications)
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Abstract: In this study, we succeeded in manufacturing a novel nanofiber hydrogel actuator that caused a bending and stretching motion synchronized with external pH oscillation, based on a bromate/sulfite/ferrocyanide reaction. The novel nanofiber gel actuator was composed of electrospun nanofibers synthesized by copolymerizing acrylic acid and hydrophobic butyl methacrylate as a solubility control site. By changing the electrospinning flow rate, the nanofiber gel actuator introduced an anisotropic internal structure into the gel. Therefore, the unsymmetrical motion of the nanofiber actuator was generated.
Keywords: nanofiber; electrospinning; actuator; gel; polymer

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MDPI and ACS Style

Nakagawa, H.; Hara, Y.; Maeda, S.; Hasimoto, S. A Pendulum-Like Motion of Nanofiber Gel Actuator Synchronized with External Periodic pH Oscillation. Polymers 2011, 3, 405-412.

AMA Style

Nakagawa H, Hara Y, Maeda S, Hasimoto S. A Pendulum-Like Motion of Nanofiber Gel Actuator Synchronized with External Periodic pH Oscillation. Polymers. 2011; 3(1):405-412.

Chicago/Turabian Style

Nakagawa, Hiroki; Hara, Yusuke; Maeda, Shingo; Hasimoto, Shuji. 2011. "A Pendulum-Like Motion of Nanofiber Gel Actuator Synchronized with External Periodic pH Oscillation." Polymers 3, no. 1: 405-412.

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