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Bioinspired Material Research Team
Yasuhiro ISHIDA
Team Leader
Yasuhiro ISHIDA (D.Eng.)
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Research Areas

Our team aims to create water-based materials, referred to as "aqua materials", as replacements for conventional plastics. Taking advantage of their unique properties as "moldable, portable water", together with the elaboration of their inner or surface part, we will demonstrate their various applications as intelligent soft materials. We are employing a wide range of chemicals as the components of aqua materials, in order to improve their properties and to realize ultimately environment conscious materials. The challenge of our team also includes the rational design of novel bioinspired materials, by assembling molecules with dynamic and static functions within aqua materials as scaffolds.

Research Subject

  1. Chiral solid-state hosts based on the molecular imprinting in liquid crystals
  2. Chiral molecular flasks based on the template reactions in liquid crystal
  3. Aqua materials; ultimate environment-conscious alternatives to conventional plastic based on hydro-gels
  4. Composite materials based on the anisotropic alignment of carbon nanotube
  5. Super-stable/functionalizable bicelles based on the molecular design of novel surfactants

Related links

  1. RIKEN Advanced Science Institute Website_Laboratories PageNew Window

List of Selected Publications

  1. Ishida, Yasuhiro; Sakata, Hiroaki; Achalkumar, Ammathnadu Sudhakar; Yamada, Kuniyo; Matsuoka, Yuki; Iwahashi Nobutaka; Amano, Sayaka; Saigo, Kazuhiko.:
    "Guest-Responsive Covalent Frameworks Formed upon in-situ Cross-Linking of Liquid Crystalline Salts: Tuning of Dynamic Properties by the Design of Monomeric Units."
    Chemistry - A European Journal 17, 14752-14762 (2011).
  2. Ishida, Yasuhiro; Achalkumar, Ammathnadu Sudhakar; Kato, Shun-ya; Kai, Yukiko; Misawa, Aya; Hayashi, Yumi; Yamada, Kuniyo; Matsuoka, Yuki; Shiro, Motoo; Saigo, Kazuhiko.:
    "Tunable Chiral Reaction Media Based on Two-Component Liquid Crystals: Regio-, Diastereo-, and Enantio-Controlled Photo-Dimerization of Anthracenecarboxylic Acids."
    Journal of the American Chemical Society 132, 17435-17446 (2010).
  3. Wang, Qigang; Mynar, Justin, L.; Yoshida, Masaru; Lee, Eunji; Lee, Myongsoo; Okuro, Kou; Kinbara, Kazushi; Aida, Takuzo.:
    "High-Water-Content Mouldable Hydrogels by Mixing Clay and Dendritic Molecular Binder."
    Nature, 463, 339-343 (2010).
  4. Ishida, Yasuhiro; Iwasa, Eriko; Matsuoka, Yuki; Miyauchi, Hiroyuki, Saigo, Kazuhiko.:
    "An Enantiopure Cyclophane-Type Imidazole with No Central but Planar Chirality."
    Chemical Communications 3401-3403 (2009).
  5. Ishida, Yasuhiro; Kai, Yukiko; Kato, Shun-ya; Misawa, Aya; Amano, Sayaka; Matsuoka, Yuki; Saigo, Kazuhiko.:
    "Two-domponent Liquid Crystals as Chiral Reaction Media: Highly Enantioselective Photo-dimerization of an Anthracene Derivative Driven by the Ordered Microenvironment."
    Angewandte Chemie International Edition 47, 8241-8245 (2008).
  6. Matsuoka, Yuki; Ishida, Yasuhiro; Sasaki, Daisuke; Saigo, Kazuhiko.:
    "Cyclophane-type Imidazolium Salts with Planar Chirality as a New Class of N-Heterocyclic Carbene Precursors."
    Chemistry - A European Journal 14, 9215-9222 (2008).
  7. Amano, Sayaka; Ishida, Yasuhiro; Saigo, Kazuhiko.:
    "Solid-state Hosts by the Template Polymerization of Columnar Liquid Crystals: Locked Supramolecular Architectures around Chiral 2-Amino Alcohols"
    Chemistry - A European Journal 13, 5186-5196 (2007).
  8. Ishida, Yasuhiro; Amano, Sayaka; Iwahashi, Nobutaka; Saigo, Kazuhiko.:
    "Switching of Structural Order in a Cross-linked Polymer Triggered by the Desorption/Adsorption of Guest Molecules."
    Journal of the American Chemical Society, 128, 13068-13069 (2006).
  9. Ishii, Dausuke; Kinbara, Kazushi; Ishida, Yasuhiro; Ishii, Noriyuki; Okochi, Mina; Yohda, Masafumi; Aida, Takuzo.:
    "Chaperonin-mediated Stabilization and ATP-triggered Release of Semiconductor Nanoparticles"
    Nature, 423, 628-632 (2003).
  10. Ishida, Yasuhiro; Aida, Takuzo.:
    "Homochiral Supramolecular Polymerization of an "S"-shaped Monomer: Translation of Optical Purity into Molecular Weight Distribution"
    Journal of the American Chemical Society, 124, 14017-14019 (2002).

Members

Principal Investigator

Yasuhiro ISHIDA
Team Leader

Postdoctoral Fellow

Masataka OHTANI
Postdoctoral Researcher
Mingjie LIU
Postdoctoral Researcher
Joonil CHO
Postdoctoral Researcher
Shingo TAMESUE
Postdoctoral Researcher
Wei ZHANG
Postdoctoral Researcher

Student Trainee

Ryoichi MATSUI
Junior Research Associate

Technical Assistant

Kuniyo YAMADA
Technical Staff I
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