Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Shun Ichi Tamaru"'
Autor:
Hitoshi Inokawa, Kouichiro Noguchi, Naofumi Kuroda, Shun Ichi Tamaru, Yutaro Shimasaki, Seiji Shinkai, Yukie Tounoue, Masayoshi Takano
Publikováno v:
Polymer Journal. 52:939-946
This paper describes the stimuli-responsive hydrogels constructed from bola-type amphiphiles composed of two dipeptides containing phenylalanine attached to the ends of a hydrophobic tetrathiophene. The hydrogel formation ability of the amphiphiles w
Autor:
Naofumi Kuroda, Seiji Shinkai, Shun Ichi Tamaru, Kinosuke Kamogawa, Miyabi Honzaki, Kaori Hori, Miki Kubo
Publikováno v:
Chemistry – An Asian Journal. 14:2102-2107
The semi-artificial branched-polysaccharides, amylose-grafted curdlans, were synthesized utilizing an enzymatic polymerization. Both a curdlan main chain and amylose side chains on the polysaccharides maintain the original helical structure as well a
Publikováno v:
Chemistry - A European Journal. 21:5447-5458
Two-component ensembles of alkynylplatinum(II) terpyridine (tpy) complexes and carboxylic β-1,3-glucan (CurCOOH) have been investigated by using spectroscopic and microscopic techniques, as well as time-dependent UV/Vis absorption and circular dichr
Publikováno v:
Chemistry Letters. 44:1667-1669
The amphoteric curdlan and a cationic polythiophene can form two distinct complexes as a function of medium pH. On the basis of such an environment-induced sequential interconversion of the amphote...
Autor:
Makoto Taguchi, Takao Noguchi, Nozomu Suzuki, Shun Ichi Tamaru, Michiya Fujiki, Seiji Shinkai, Youichi Tsuchiya, Tomohiro Shiraki
Publikováno v:
Chemistry - An Asian Journal. 9:218-222
A circularly polarized luminescence (CPL) material has been created by polymer-polymer complexation between a helix-forming polysaccharide, schizophyllan (SPG), and a meta-phenylene-linked polyfluorene derivative (mPFS). Computational modeling reveal
Autor:
Daisuke Yoshihara, Youichi Tsuchiya, Tomohiro Shiraki, Shun Ichi Tamaru, Tatsuhiro Yamamoto, Takao Noguchi, Seiji Shinkai
Publikováno v:
Supramolecular Chemistry. 25:748-755
We demonstrate a new method for the preparation of silver nanoparticles (AgNPs) utilising dye-sensitised photo-reduction on triple-stranded β-1,3-glucans. Reflecting the chiral helical structure of these polysaccharides, the chiral plasmonic AgNPs w
Publikováno v:
Chemistry - An Asian Journal. 6:266-282
Since their discovery, over the years, molecular gels have been constantly drawing the attention of chemists from various scientific fields. Their structural softness together with the orderliness at the molecular level provides such molecules immens
Autor:
Harunobu Komatsu, Itaru Hamachi, Shun Ichi Tamaru, Shinji Matsumoto, Kenji Kaneko, Masato Ikeda
Publikováno v:
Journal of the American Chemical Society. 131:5580-5585
Logic-gate operations displaying macroscopic outputs are promising systems for the development of intelligent soft materials that can perform effective functions in response to various input patterns. A supramolecular hydrogel comprising the phosphat
Publikováno v:
Journal of the American Chemical Society. 131:5321-5330
Polyanions are important sensing targets because of their wide variety of biological activities. We report a novel polyanion-selective fluorescence sensing system composed of a hybrid material of supramolecular hydrogel, enzymes, and aminoethyl-modif
Autor:
Itaru Hamachi, Yoshifumi Miyahara, Kazuki Sada, Akio Ojida, Shun Ichi Tamaru, Jirarut Wongkongkatep
Publikováno v:
Chemistry – An Asian Journal. 1:555-563
Nucleoside pyrophosphate (nucleoside PP) derivatives are widespread in living cells and play pivotal roles in various biological events. We report novel fluorescence chemosensors for nucleoside PPs that make use of coordination chemistry. The chemose