京都大学化学研究所研究者情報   [ English | Japanese ]


若井　千尋 （わかい　ちひろ）

環境物質化学研究系 分子環境解析化学
（京都大学大学院理学研究科化学専攻 協力講座）
助教
博士（理学）
URL:
E-mail: wakai@scl.kyoto-u.ac.jp
Tel: 0774-38-3073
Fax: 0774-38-3070
研究・教育歴
    1997.3 京都大学大学院理学研究科博士課程修了
    1997.3 京都大学博士（理学）
    1995.4〜1997.3 日本学術振興会特別研究員
    1997.4〜 京都大学化学研究所教務職員
    2002.9 改姓（若井から古谷へ）
専門分野
    溶液物理化学、核磁気共鳴
主な研究テーマ
  1. イオン液体の構造とダイナミクス
  2. 溶液中の分子の並進及び回転ダイナミクスに対する引力的分子間相互作用の影響
  3. 超臨界・亜臨界水の構造と物性
主な論文・著書
  1. Y. Yasaka, C. Wakai, N. Matubayasi, M. Nakahara, Controlling the Equilibrium of Formic Acid with Hydrogen and Carbon Dioxide Using Ionic Liquid JOURNAL OF PHYSICAL CHEMISTRY A 114, 3510-3515 (2010)
  2. Y. Yasaka, C. Wakai, N. Matubayasi, M. Nakahar, Water as an in Situ NMR Indicator for Impurity Acids in Ionic Liquids ANALYTICAL CHEMISTRY 81, 400-407 (2009)
  3. C. Giordani, C. Wakai, K. Yoshida, E. Okamura, N. Matubayasi, M. Nakahara, Cholesterol location and orientation in aqueous suspension of large unilamellar vesicles of phospholipid revealed by intermolecular nuclear Overhauser effect JOURNAL OF PHYSICAL CHEMISTRY B 112, 2622-2628 (2008)
  4. Yasaka, Yoshiro Wakai, Chihiro Matubayasi, Nobuyuki Nakahara, Masaru, Rotational dynamics of water and benzene controlled by anion field in ionic liquids: 1-butyl-3 methylimidazolium chloride and hexafluorophosphate JOURNAL OF CHEMICAL PHYSICS 127, 104506(10pages) (2007)
  5. Schroeder, C. Wakai, C. Weingartner, H. Steinhauser, O., Collective rotational dynamics in ionic liquids: A computational and experimental study of 1-butyl-3-methyl-imidazolium tetrafluoroborate JOURNAL OF CHEMICAL PHYSICS 126, 084511 (2007)
  6. Yasaka, Yoshiro Wakai, Chihiro Matubayasi, Nobuyuki Nakahara, Masaru, Slowdown of H/D exchange reaction rate and water dynamics in ionic liquids: Deactivation of solitary water solvated by small anions in 1-butyl-3-methyl-imidazolium chloride JOURNAL OF PHYSICAL CHEMISTRY A 111, 541-543 (2007)
  7. Yasaka, Y; Yoshida, K; Wakai, C; Matubayasi, N; Nakahara, M, Kinetic and equilibrium study on formic acid decomposition in relation to the water-gas-shift reaction J. Phys. Chem. 110, 11082-11090 (2006)
  8. Giordani, C; Wakai, C; Okamura, E; Matubayasi, N; Nakahara, M, Dynamic and 2D NMR studies on hydrogen-bonding aggregates of cholesterol in low-polarity organic solvents J. Phys. Chem. 110, 15205-15211 (2006)
  9. Daguenet, C; Dyson, PJ; Krossing, I; Oleinikova, A; Slattery, J; Wakai, C; Weingartner, H, Dielectric response of imidazolium-based room-temperature ionic liquids J. Phys. Chem. 110, 12682-12688 (2006)
  10. Wakai, C; Oleinikova, A; Weingartner, H, Reply to "Comment on 'How polar are ionic liquids? Determination of the static dielectric constant of an imidazolium-based ionic liquid by microwave spectroscopy"' J. Phys. Chem. 110, 5824 (2006)
  11. Yoshida, K; Wakai, C; Matubayasi, N; Nakahara, M, A new high-temperature multinuclear-magnetic-resonance probe and the self-diffusion of light and heavy water in sub- and supercritical conditions J. Chem. Phys. 123, 164506 (10 pages) (1992)
  12. Ozeki S, Wakai C, Ono S, Is a Magnetic Effect on Water Adsorption Possible? J. Phys. Chem. 95, 10557-10559 (1991)
  13. Nakahara M, Wakai C, Monomeric and Cluster States of Water Molecules in Organic Solvent Chem. Lett. 1992, 809-812 (1992)
  14. Wakai C, Nakahara M, Inertial and Attractive Potential Effects on Rotation of Solitary Water Molecules in Polar and Apolar Solvents J. Chem. Phys. 97, 4413-4420 (1992)
  15. Wakai C, Nakahara M, Pressure Dependencies of Rotational, Translational, and Viscous Friction Coefficients in Water-d2,Acetonitrile-d3, Acetonitrile, Chloroform, and Benzene J. Chem. Phys. 100, 8347-8358 (1994)
  16. Ozeki S, Uchiyama H, Ono S, Wakai C, Miyamoto J, Kaneko K, Molecular Interactions on Porous Solids under Magnetic Field Stud. Surf. Sci. Catal. 87, 383-390 (1994)
  17. Wakai C, Nakahara M, Pressure- And Temperature-Variable Viscosity Dependencies of Rotational Correlation Times for Solitary Water Molecules in Organic Solvents J. Chem. Phys. 103, 2025-2033 (1995)
  18. Wakai C, Nakahara M, Effect Of Solvent, Temperature, and Pressure on Hydrogen Bonding and Reorientation of Water Molecules J. Mol. Liquids 65/66, 149-155 (1995)
  19. Nakahara M, Wakai C, Matubayasi N, Jump in the Rotational Mobility of Benzene Induced by the Clathrate Hydrate Formation J. Phys. Chem. 99, 1377-1379 (1995)
  20. Nakahara M, Wakai C, Yoshimoto Y, Matubayasi N, Dynamics of Hydrophobic Hydration of Benzene J. Phys. Chem. 100, 1345-1349 (1996)
  21. Ozeki S, Miyamoto J, Ono S, Wakai C, Watanabe T, Water-Solid Interactions under Steady Magnetic Fields: Magnetic-Field-Induced Adsorption and Desorption of Water J. Phys. Chem. 100, 4205-4212 (1996)
  22. Wakai C, Nakahara M, Attractive Potential Effect on the Rotational Correlation Times for Benzene-d6 in Organic Solvents Bull. Chem. Soc. Jpn. 69, 853-860 (1996)
  23. Ozeki S, Miyamoto J, Ono S, Wakai C, Watanabe T, Magnetic field effect on water adsorption Proc. 5th International Conference of Fundamentals of Adsorption 5, 717-723 (1996)
  24. Nakahara M, Tennoh T, Wakai C, Fujita E, Enomono H, 13C-NMR Evidence for Hydrogen Supply by Water for Polymer Cracking in Supercritical Water Chem. Lett. 1997, 163-164 (1997)
  25. Matubayasi N, Wakai C, Nakahara M, NMR Study of Water Structure in Super- and Subcritical Conditions Phys. Rev. Lett. 78, 2573-2576 (1997)
  26. Wakai C, Nakahara M, Attractive Potential Effect on the Self-diffusion Coefficients of a Solitary Water molecule in Organic Solvents J. Chem. Phys. 106, 7512-7518 (1997)
  27. Okamura E,Wakai C, Matubayasi N, Nakahara M, 14N NMR Spectra Sensitively Reflects Surface Curvature and Segmental Motion of Hydrophilic Headgroups in Lipid Bilayers and Micelles Chem. Lett. 1997, 1061-1062 (1997)
  28. Matubayasi N, Wakai C, Nakahara M, Structural study of supercritical water. I. Nuclear magnetic resonance spectroscopy J. Chem. Phys. 107, 9133-9140 (1997)
  29. Matubayasi N, Wakai C, Nakahara M, NMR Study of Water Structure in Supercritical Conditions Rev. High Pressure Sci. Tech. 7 (1998)
  30. Matubayasi N, Wakai C, Nakahara M, Structural Study of Supercritical Water. II. Computer Simulations J. Chem. Phys. 110, 8000-8011 (1999)
  31. Tsujino Y, Wakai C, Matubayasi N, Nakahara M, Noncatalytic Cannizzaro-type Reaction of Formaldehyde in Hot Water Chem. Lett. 1999, 287-288 (1999)
  32. Wakai C, Matubayasi N, Nakahara M, Pressure Effect on Hydrophobic Hydration: Rotational Dynamics of Benzene J. Phys. Chem. A 103, 6685-6690 (1999)
  33. Wakai C, Saito H, Matubayasi N, Nakahara M, Tumbling and Spinning Diffusions of Acetonitrile in Water and Organic Solvents J. Chem. Phys 112, 1462-1473 (2000)
  34. Shibata T, Matsuoka T, Koda S, Nomura H, Wakai C, Nakahara M, Effects of the Addition of a Diluent on the Translational and Reorientational Molecular Motions in 4-cyano-4'-penthylbiphenyl J. Mol. Liquids 85, 219-227 (2000)
  35. Yonezawa T, Toshima N, Wakai C, Nakahara M, Nishinaka M, Tominaga T, Nomura H, Structure of monoalkyl-monocationic surfactants on the microscopic three-dimensional platinum surface in water Colloids and Surfaces A 169, 35-45 (2000)
  36. Nakahara M, Wakai C, Tsujino Y, Natubayasi N, In-situ NMR Study of Hydrothermal Reactions of Hazardous Chlorinated Organic Compounds: CH2Cl2 Proc. 13th International Conference of Water and Steam 13, 456-463 (2000)
  37. Nakahara M, Matubayasi N, Wakai C, Tsujino Y, Structure and dynamics of water: from ambient to supercritical J. Mol. Liquids 90, 75-83 (2001)

Update: Nov 21,2012