大阪大学 · 化学
佐藤孝博教授の研究室は、高分子の自己集合挙動やヘリカル構造の分子設計に注力しており、特にキラルなポリシルレンやキサンタンなどの多糖類、ならびにポリマー混合系における相分離ダイナミクスの解明を進めています。光散乱や屈折率測定を用いた溶液中での構造解析を通じて、分子の次元的性質や相互作用のメカニズムを解明しています。また、液晶的相転移や疎水性相互作用に基づく自己組織化機構の理論的・実験的解明も重要な研究テーマです。
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDouble-stranded helix of xanthan: dimensional and hydrodynamic properties in 0.1 M aqueous sodium chlorideTakahiro Sato, Takashi Norisuye, and Hiroshi FujitaCite this: Macromolecules 1984, 17, 12, 2696–2700Publication Date (Print):December 1, 1984Publication History Published online1 May 2002Published inissue 1 December 1984https://pubs.acs.org/doi/10.1021/ma00142a043https://doi.org/10.1021/ma00142a043research-articleACS PublicationsRequest reuse permi
The dynamics of concentration fluctuation in a deuterated polystyrene/poly(vinylmethylether) blend system has been studied by the temperature jump and also by the reverse quench light scattering techniques. The growth or decay rate R(q) in Cahn–Hilliard–Cook’s equation is almost proportional to the square of scattering wave vector. This indicates that the interfacial free energy contribution to the concentration fluctuation dynamics in the wavelength range examined is very small. The interdiffus
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTriple helix of Schizophyllum commune polysaccharide in dilute solution. 5. Light scattering and refractometry in mixtures of water and dimethyl sulfoxideTakahiro Sato, Takashi Norisuye, and Hiroshi FujitaCite this: Macromolecules 1983, 16, 2, 185–189Publication Date (Print):February 1, 1983Publication History Published online1 May 2002Published inissue 1 February 1983https://doi.org/10.1021/ma00236a006Request reuse permissionsArticle Views311Altmetric
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolyisocyanates and the interplay of experiment and theory in the formation of lyotropic cholesteric statesTakahiro Sato, Y. Sato, Y. Umemura, Akio Teramoto, Y. Nagamura, J. Wagner, D. Weng, Y. Okamoto, K. Hatada, and Mark M. GreenCite this: Macromolecules 1993, 26, 17, 4551–4559Publication Date (Print):August 1, 1993Publication History Published online1 May 2002Published inissue 1 August 1993https://pubs.acs.org/doi/10.1021/ma00069a021https://doi.org/
This article reviews recent advances in research of helical conformations of optically active polysilylenes in solution. The helical conformation induces strong circular dichroism, chain stiffness, and liquid crystallinity in polysilylene chains, and it sensitively affects electronic state in the σ-conjugated silicon backbone. The helical conformation is determined by the internal rotation potential of the silicon backbone, and it turns out that the internal potential remarkably depends on the c
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