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Toyoji Kakuchi

Hokkaido University

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Publication

Featured researches published by Toyoji Kakuchi.

Carbohydrate Research | 2008

Thermochemical transformation of glucose to 1,6-anhydroglucose in high-temperature steam.

Masahide Sasaki; Kenji Takahashi; Yui Haneda; Hiroe Satoh; Akiyoshi Sasaki; Atsushi Narumi; Toshifumi Satoh; Toyoji Kakuchi; Harumi Kaga

An aqueous solution of glucose was reacted at temperatures from 200 to 400 degrees C under atmospheric pressure using a continuous flow reactor. For reaction temperatures above 300 degrees C, the liquid product yield was not sensitive to the temperature change; on the other hand, below 300 degrees C, it decreased rapidly with decreasing temperature. 1,6-Anhydro-beta-D-glucopyranose (AGP) and 1,6-anhydro-beta-D-glucofuranose (AGF) were the major components in the liquid product. The yields of AGP and AGF were 40% and 19%, respectively, at 360 degrees C and a feed rate of 0.5 mL/min. The optimum space time to produce AGP and AGF was about 0.2-0.4s under the present temperature conditions.

Journal of Polymer Science Part A | 2006

Synthesis and thermoresponsive property of end-functionalized poly(N-isopropylacrylamide) with pyrenyl group

Qian Duan; Yutaka Miura; Atsushi Narumi; Xiande Shen; Shin-ichiro Sato; Toshifumi Satoh; Toyoji Kakuchi

Journal of Polymer Science Part A | 2005

Synthesis of well‐defined AB20‐type star polymers with cyclodextrin‐core by combination of NMP and ATRP

Yutaka Miura; Atsushi Narumi; Soh Matsuya; Toshifumi Satoh; Qian Duan; Harumi Kaga; Toyoji Kakuchi

Macromolecules | 2003

Glycoconjugated Polymer. 5. Synthesis and Characterization of a Seven-Arm Star Polystyrene with a β-Cyclodextrin Core Based on TEMPO-Mediated Living Radical Polymerization

Toyoji Kakuchi; Atsushi Narumi; Takeshi Matsuda; Yutaka Miura; Naoya Sugimoto; Toshifumi Satoh; Harumi Kaga

Macromolecules | 2005

Synthesis, branched structure, and solution property of hyperbranched D-glucan and D-galactan

Toshifumi Satoh; Tomoko Imai; Hiroyuki Ishihara; Takahiro Maeda; Yoshikazu Kitajyo; Yoko Sakai; Harumi Kaga; Noriaki Kaneko; Fumiaki Ishii; Toyoji Kakuchi

Polymer | 2007

A unimolecular nanocapsule: Encapsulation property of amphiphilic polymer based on hyperbranched polythreitol

Yoshikazu Kitajyo; Yumiko Nawa; Masaki Tamaki; Hirofumi Tani; Kenji Takahashi; Harumi Kaga; Toshifumi Satoh; Toyoji Kakuchi

Journal of Polymer Science Part A | 2006

Synthesis of well‐defined syndiotactic poly(methyl methacrylate) with low‐temperature atom transfer radical polymerization in fluoroalcohol

Yutaka Miura; Toshifumi Satoh; Atsushi Narumi; Osamu Nishizawa; Yoshio Okamoto; Toyoji Kakuchi

Polymer | 2007

Encapsulation-release property of amphiphilic hyperbranched d-glucan as a unimolecular reverse micelle

Yoshikazu Kitajyo; Tomoko Imai; Yoko Sakai; Masaki Tamaki; Hirofumi Tani; Kenji Takahashi; Atsushi Narumi; Harumi Kaga; Noriaki Kaneko; Toshifumi Satoh; Toyoji Kakuchi

Macromolecules | 2003

Synthesis of hyperbranched polysaccharide by thermally induced cationic polymerization of 1,6-anhydro-β-D-mannopyranose

Toshifumi Satoh; Tomoko Imai; Hiroyuki Ishihara; Takahiro Maeda; Yoshikazu Kitajyo; Atsushi Narumi; Harumi Kaga; Noriaki Kaneko; Toyoji Kakuchi

Macromolecules | 2003

Glycoconjugated Polymer. 4. Synthesis and Aggregation Property of Well-Defined End-Functionalized Polystyrene with β-Cyclodextrin

Toyoji Kakuchi; Atsushi Narumi; Yutaka Miura; Soh Matsuya; Naoya Sugimoto; Toshifumi Satoh; Harumi Kaga

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Collaboration

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Toshifumi Satoh

Hokkaido University

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Harumi Kaga

National Institute of Advanced Industrial Science and Technology

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Atsushi Narumi

Hokkaido University

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Noriaki Kaneko

Ube Industries

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Yoshikazu Kitajyo

Hokkaido University

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Yutaka Miura

University of Tokyo

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Tomoko Imai

Hokkaido University

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Masaki Tamaki

Hokkaido University

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Qian Duan

Changchun University of Science and Technology

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Kenji Takahashi

Kanazawa University

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