K
Kuniyo Yamada
Researcher at Kochi University of Technology
Publications - 15
Citations - 367
Kuniyo Yamada is an academic researcher from Kochi University of Technology. The author has contributed to research in topics: Polymerization & Chirality (chemistry). The author has an hindex of 7, co-authored 15 publications receiving 302 citations.
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Journal ArticleDOI
Linear versus Dendritic Molecular Binders for Hydrogel Network Formation with Clay Nanosheets: Studies with ABA Triblock Copolyethers Carrying Guanidinium Ion Pendants
Shingo Tamesue,Masataka Ohtani,Kuniyo Yamada,Yasuhiro Ishida,Jason M. Spruell,Nathaniel A. Lynd,Craig J. Hawker,Takuzo Aida +7 more
TL;DR: ABA-triblock copolyethers 1a-1c as linear polymeric binders, in combination with clay nanosheets (CNSs), afford high-water-content moldable supramolecular hydrogels with excellent mechanical properties by constructing a well-developed crosslinked network in water.
Journal ArticleDOI
Macroscopic ordering of helical pores for arraying guest molecules noncentrosymmetrically
Chunji Li,Joonil Cho,Kuniyo Yamada,Daisuke Hashizume,Fumito Araoka,Hideo Takezoe,Takuzo Aida,Yasuhiro Ishida +7 more
TL;DR: A polymer framework with helical pores that unidirectionally orient over a large area, which displays a markedly efficient nonlinear optical output, owing to the coherence of signals ensured by the macroscopically oriented helical structure.
Journal ArticleDOI
Tunable chiral reaction media based on two-component liquid crystals: regio-, diastereo-, and enantiocontrolled photodimerization of anthracenecarboxylic acids.
Yasuhiro Ishida,Ammathnadu S Achalkumar,Shun-ya Kato,Yukiko Kai,Aya Misawa,Yumi Hayashi,Kuniyo Yamada,Yuki Matsuoka,Motoo Shiro,Kazuhiko Saigo +9 more
TL;DR: The hypothesis that the present photochemical outcome arises from the preorientation of the substrates, a preliminary structural model of these LCs was proposed and the LC phases were found to be superior to isotropic and crystalline phases.
Journal ArticleDOI
Metastable Liquid Crystal as Time-Responsive Reaction Medium: Aging-Induced Dual Enantioselective Control
Yasuhiro Ishida,Yuki Matsuoka,Yukiko Kai,Kuniyo Yamada,Kenta Nakagawa,Toru Asahi,Kazuhiko Saigo +6 more
TL;DR: A metastable liquid crystal (LC) was found to serve as a time-responsive reaction medium, in which the enantioselectivity of a photoreaction was perfectly switched through isothermal annealing of the reaction system.
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Guest‐Responsive Covalent Frameworks by the Cross‐Linking of Liquid‐Crystalline Salts: Tuning of Lattice Flexibility by the Design of Polymerizable Units
Yasuhiro Ishida,Hiroaki Sakata,Ammathnadu S. Achalkumar,Kuniyo Yamada,Yuki Matsuoka,Nobutaka Iwahashi,Sayaka Amano,Kazuhiko Saigo +7 more
TL;DR: Among these polymers, P(DDD) was found to be an excellent solid-state host, in terms of guest-releasing/capturing ability, guest-recognition ability, durability to repetitive usage, and unique structural switching mode.