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Hydrogel with Cubic-Packed Giant Concentric Domains of Semi-Rigid Polyion Complex

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Title: Hydrogel with Cubic-Packed Giant Concentric Domains of Semi-Rigid Polyion Complex
Authors: Wu, Zi Liang Browse this author
Arifuzzaman, Md. Browse this author
Kurokawa, Takayuki Browse this author →KAKEN DB
Furukawa, Hidemitsu Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Issue Date: 2011
Publisher: Royal Society of Chemistry
Journal Title: Soft Matter
Volume: 7
Issue: 5
Start Page: 1884
End Page: 1889
Publisher DOI: 10.1039/C0SM01139H
Abstract: We report a novel giant oriented structure observed in plate hydrogels synthesized by photopolymerization of cationic monomers with a cross-linker in the presence of a semi-rigid polyanion as the dopant. The giant structure, formed via self-assembly of the semi-rigid polyion complex, consists of millimetre-scale cubic packed concentric cylindrical domains that are sandwiched by two homeotropically aligned outer layers. A universal relationship between the diameter of the cylinders D and the thickness of the swollen gel T is observed, as D . 0.5T, regardless the change in the concentrations of the polyanion and precursor cationic monomer. This result permits us to induce the giant concentric structure into hydrogels with tunable cylindrical sizes.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 龔 剣萍 (Gong Jian Ping)

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