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 journalArticle

17 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 languageEnglish
Pages (from-to)5781-5787
Number of pages7
JournalRSC Advances
Volume5
Issue number8
DOIs
Publication statusPublished - 2015
Externally publishedYes

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Swelling
Gels
Polymers
Chemical analysis
Atom transfer radical polymerization
Phase transitions
tris(2,2'-bipyridine)ruthenium II

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Control of swelling-deswelling behavior of a self-oscillating gel by designing the chemical structure. / Masuda, Tsukuru; Terasaki, Ayako; Akimoto, Aya Mizutani; Nagase, Kenichi; Okano, Teruo; Yoshida, Ryo.

In: RSC Advances, Vol. 5, No. 8, 2015, p. 5781-5787.

Research output: Contribution to journalArticle

Masuda, Tsukuru ; Terasaki, Ayako ; Akimoto, Aya Mizutani ; Nagase, Kenichi ; Okano, Teruo ; Yoshida, Ryo. / Control of swelling-deswelling behavior of a self-oscillating gel by designing the chemical structure. In: RSC Advances. 2015 ; Vol. 5, No. 8. pp. 5781-5787.
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