Control of swelling-deswelling behavior of a self-oscillating gel by designing the chemical structure

Tsukuru Masuda; Ayako Terasaki; Aya Mizutani Akimoto; Kenichi Nagase; Teruo Okano; Ryo Yoshida

doi:10.1039/c4ra10675j

Control of swelling-deswelling behavior of a self-oscillating gel by designing the chemical structure

Tsukuru Masuda, Ayako Terasaki, Aya Mizutani Akimoto, Kenichi Nagase, Teruo Okano, Ryo Yoshida

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

We have developed a novel "self-oscillating" gel that exhibits an autonomous mechanical oscillation without any external stimuli. Here the ternary self-oscillating polymer composed of N-isopropylacrylamide and N-(3-aminopropyl)methacrylamide and Ru(bpy)₃ was newly synthesized by atom transfer radical polymerization (ATRP) and the gel was prepared. For the self-oscillating polymers and gels with various compositions, their phase transition and self-oscillating behaviors were investigated considering the potential for biomedical application. It was demonstrated that the swelling-deswelling behavior of the self-oscillating gels can be controlled by changing the composition ratio of the free amino group present in the polymer and the conjugated Ru(bpy)₃ moieties. Therefore the hydrophilic/hydrophobic balance is controllable and adjustable by this composition ratio.

Original language	English
Pages (from-to)	5781-5787
Number of pages	7
Journal	RSC Advances
Volume	5
Issue number	8
DOIs	https://doi.org/10.1039/c4ra10675j
Publication status	Published - 2015
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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10.1039/c4ra10675j

Cite this

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abstract = "We have developed a novel {"}self-oscillating{"} gel that exhibits an autonomous mechanical oscillation without any external stimuli. Here the ternary self-oscillating polymer composed of N-isopropylacrylamide and N-(3-aminopropyl)methacrylamide and Ru(bpy)3 was newly synthesized by atom transfer radical polymerization (ATRP) and the gel was prepared. For the self-oscillating polymers and gels with various compositions, their phase transition and self-oscillating behaviors were investigated considering the potential for biomedical application. It was demonstrated that the swelling-deswelling behavior of the self-oscillating gels can be controlled by changing the composition ratio of the free amino group present in the polymer and the conjugated Ru(bpy)3 moieties. Therefore the hydrophilic/hydrophobic balance is controllable and adjustable by this composition ratio.",

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T1 - Control of swelling-deswelling behavior of a self-oscillating gel by designing the chemical structure

AU - Masuda, Tsukuru

AU - Terasaki, Ayako

AU - Akimoto, Aya Mizutani

AU - Nagase, Kenichi

AU - Okano, Teruo

AU - Yoshida, Ryo

PY - 2015

Y1 - 2015

N2 - We have developed a novel "self-oscillating" gel that exhibits an autonomous mechanical oscillation without any external stimuli. Here the ternary self-oscillating polymer composed of N-isopropylacrylamide and N-(3-aminopropyl)methacrylamide and Ru(bpy)3 was newly synthesized by atom transfer radical polymerization (ATRP) and the gel was prepared. For the self-oscillating polymers and gels with various compositions, their phase transition and self-oscillating behaviors were investigated considering the potential for biomedical application. It was demonstrated that the swelling-deswelling behavior of the self-oscillating gels can be controlled by changing the composition ratio of the free amino group present in the polymer and the conjugated Ru(bpy)3 moieties. Therefore the hydrophilic/hydrophobic balance is controllable and adjustable by this composition ratio.

AB - We have developed a novel "self-oscillating" gel that exhibits an autonomous mechanical oscillation without any external stimuli. Here the ternary self-oscillating polymer composed of N-isopropylacrylamide and N-(3-aminopropyl)methacrylamide and Ru(bpy)3 was newly synthesized by atom transfer radical polymerization (ATRP) and the gel was prepared. For the self-oscillating polymers and gels with various compositions, their phase transition and self-oscillating behaviors were investigated considering the potential for biomedical application. It was demonstrated that the swelling-deswelling behavior of the self-oscillating gels can be controlled by changing the composition ratio of the free amino group present in the polymer and the conjugated Ru(bpy)3 moieties. Therefore the hydrophilic/hydrophobic balance is controllable and adjustable by this composition ratio.

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Control of swelling-deswelling behavior of a self-oscillating gel by designing the chemical structure

Abstract

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