Chihiro Wakai - My portal

Profile Information

Affiliation: Institute for Chemical Research, Division of Environmental Chemistry, Kyoto University

J-GLOBAL ID: 200901012269537155
researchmap Member ID: 5000059046

Papers

H-1 NMR Analysis of Water Freezing in Nanospace Involved in a Nafion Membrane

WAKAI Chihiro, SHIMOAKA Takafumi, HASEGAWA Takeshi

JOURNAL OF PHYSICAL CHEMISTRY B, 119 8848-8853, Jun, 2015 Peer-reviewed
Hydration structure of strongly bound water on the sulfonic acid group in a Nafion membrane studied by infrared spectroscopy and quantum chemical calculation

T. Shimoaka, C. Wakai, T. Sakabe, S. Yamazaki, T. Hasegawa

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17(14) 8843-8849, 2015 Peer-reviewed
Analysis of the Hydration Process and Rotational Dynamics of Water in a Nafion Membrane Studied by H-1 NMR Spectroscopy

Chihiro Wakai, Takafumi Shimoaka, Takeshi Hasegawa

ANALYTICAL CHEMISTRY, 85(15) 7581-7587, Aug, 2013 Peer-reviewed
Controlling the Equilibrium of Formic Acid with Hydrogen and Carbon Dioxide Using Ionic Liquid

Yoshiro Yasaka, Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

JOURNAL OF PHYSICAL CHEMISTRY A, 114(10) 3510-3515, Mar, 2010 Peer-reviewed
Recent advances in studies on organic reactions in water at high temperatures and high pressures

Masaru Nakahara, Yasuo Tsujino, Yoshiro Yasaka, Ken Yoshida, Yasuhiro Uosaki, Chihiro Wakai, Nobuyuki Matubayasi

Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu, 20(1) 40-49, 2010 Peer-reviewed
Water as an in Situ NMR Indicator for Impurity Acids in Ionic Liquids

Yoshiro Yasaka, Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

ANALYTICAL CHEMISTRY, 81(1) 400-407, Jan, 2009 Peer-reviewed
Cholesterol location and orientation in aqueous suspension of large unilamellar vesicles of phospholipid revealed by intermolecular nuclear Overhauser effect

Cristiano Giordani, Chihiro Wakai, Ken Yoshida, Erniko Okamura, Nobuyuki Matubayasi, Masaru Nakahara

JOURNAL OF PHYSICAL CHEMISTRY B, 112(9) 2622-2628, Mar, 2008 Peer-reviewed
Rotational dynamics of water and benzene controlled by anion field in ionic liquids: 1-butyl-3-methylimidazolium chloride and hexafluorophosphate

Yoshiro Yasaka, Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

JOURNAL OF CHEMICAL PHYSICS, 127(10), Sep, 2007 Peer-reviewed
Collective rotational dynamics in ionic liquids: A computational and experimental study of 1-butyl-3-methyl-imidazolium tetrafluoroborate

C. Schroeder, C. Wakai, H. Weingartner, O. Steinhauser

JOURNAL OF CHEMICAL PHYSICS, 126(8), Feb, 2007 Peer-reviewed
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

Yoshiro Yasaka, Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

JOURNAL OF PHYSICAL CHEMISTRY A, 111(4) 541-543, Feb, 2007 Peer-reviewed
Intermolecular proton transfer from formaldehyde intermediate to anisole in noncatalytic pyrolysis: Phenol produced without hydrolysis

Yasuo Tsujino, Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

CHEMISTRY LETTERS, 35(12) 1334-1335, Dec, 2006 Peer-reviewed
Kinetic and equilibrium study on formic acid decomposition in relation to the water-gas-shift reaction

Yoshiro Yasaka, Ken Yoshida, Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

JOURNAL OF PHYSICAL CHEMISTRY A, 110(38) 11082-11090, Sep, 2006 Peer-reviewed
Dynamic and 2D NMR studies on hydrogen-bonding aggregates of cholesterol in low-polarity organic solvents

Cristiano Giordani, Chihiro Wakai, Emiko Okamura, Nobuyuki Matubayasi, Masaru Nakahara

JOURNAL OF PHYSICAL CHEMISTRY B, 110(31) 15205-15211, Aug, 2006 Peer-reviewed
Dielectric response of imidazolium-based room-temperature ionic liquids

Corinne Daguenet, Paul J. Dyson, Ingo Krossing, Alla Oleinikova, John Slattery, Chihiro Wakai, Hermann Weingaertner

JOURNAL OF PHYSICAL CHEMISTRY B, 110(25) 12682-12688, Jun, 2006 Peer-reviewed
Reply to "Comment on 'How polar are ionic liquids? Determination of the static dielectric constant of an imidazolium-based ionic liquid by microwave spectroscopy"'

C Wakai, A Oleinikova, H Weingartner

JOURNAL OF PHYSICAL CHEMISTRY B, 110(11) 5824-5824, Mar, 2006
A new high-temperature multinuclear-magnetic-resonance probe and the self-diffusion of light and heavy water in sub- and supercritical conditions

K Yoshida, C Wakai, N Matubayasi, M Nakahara

JOURNAL OF CHEMICAL PHYSICS, 123(16), Oct, 2005 Peer-reviewed
How polar are ionic liquids? Determination of the static dielectric constant of an imidazolium-based ionic liquid by microwave dielectric spectroscopy

C Wakai, A Oleinikova, M Ott, H Weingartner

JOURNAL OF PHYSICAL CHEMISTRY B, 109(36) 17028-17030, Sep, 2005 Peer-reviewed
Hydrothermal carbon-carbon bond formation and disproportionations of C1 aldehydes: Formaldehyde and formic acid

S Morooka, C Wakai, N Matubayasi, M Nakahara

JOURNAL OF PHYSICAL CHEMISTRY A, 109(29) 6610-6619, Jul, 2005 Peer-reviewed
Real-time in-cell F-19 NMR study on uptake of fluorescent and nonfluorescent F-19-octaarginines into human Jurkat cells

E Okamura, K Ninomiya, S Futaki, Y Nagai, T Kimura, C Wakai, N Matubayasi, Y Sugiura, M Nakahara

CHEMISTRY LETTERS, 34(7) 1064-1065, Jul, 2005 Peer-reviewed
Limited slowdown of endocrine-disruptor diffusion in confined fluid lipid membranes

E Okamura, C Wakai, N Matubayasi, Y Sugiura, M Nakahara

PHYSICAL REVIEW LETTERS, 93(24), Dec, 2004 Peer-reviewed

Books and Other Publications

新しい高圧力の科学

若井千尋, 他多数 (Role: Contributor, pp.147-201)

講談社サイエンティフィク, May, 2003
超臨界流体のすべて

若井千尋, 他 (Role: Contributor, pp.23-26)

株式会社テクノシステム, Oct, 2002

Presentations

テフロンに吸着した水分子の静的・動的状態のNMR解析

若井千尋, 下赤卓史, 長谷川健

第66回コロイドおよび界面化学討論会, Sep, 2015
Nafion膜に吸着した水分子の低温における回転運動性のNMR解析

若井千尋, 下赤卓史, 長谷川健

日本化学会第95春季年会, Mar, 2015
化学シフト及びスピン—格子緩和時間測定によるNafion膜中の水分子の解析

若井千尋, 下赤卓史, 長谷川健

日本分析化学会第62年会, Sep, 2013
縦及び横緩和時間測定によるNafion膜中の水分子の回転ダイナミクス

若井千尋, 長谷川健

第73回分析化学討論会, May, 2013
重水素化イオン液体中におけるイミダゾリウムカチオンの立体構造及び液体構造の過渡的1H-NOE法による解析

若井千尋, 八坂能郎, 中原勝

日本化学会第89春季年会, Mar, 2008
Effect of anion field on rotational dynamics of water and benzene in ionic liquids: 1-butyl-3-methylimidazolium chloride and hexafluorophosphate

A Satellite Meeting for COIL-2, Aug 3, 2007, Kisarazu
イミダゾリウム系イオン液体中の水及びベンゼン分子の回転ダイナミクスに対する溶媒効果の2H-NMR研究

若井千尋, 八坂能郎, 中原勝

第29回溶液化学シンポジウム, Nov, 2006
2H-NMR によるイミダゾリウム系イオン液体中における極性及び無極性分子の回転・並進ダイナミクスの研究

若井千尋, 八坂能郎, 中原勝

日本化学会第８６春季年会, Mar, 2006
多核NMRによるイミダゾリウム系イオン性液体の回転ダイナミクスの研究

若井千尋, 八坂能郎, 中原勝

第28回溶液化学シンポジウム, Nov, 2005
高温高圧下での硝酸塩水溶液の溶媒ダイナミクス

若井千尋, 三河幸平, 松林伸幸, 中原勝

高圧討論会講演要旨集, Nov 1, 2002
高温電解質水溶液中の水の並進・回転ダイナミクス

若井千尋, 三河幸平, 松林伸幸, 中原勝

第25回溶液化学シンポジウム ,大阪市, Sep 27, 2002
NMRによる超臨界・亜臨界状態の電解質水溶液の回転ダイナミクスの研究

若井千尋, 久保正人, 松林伸幸, 中原勝

日本化学会第81春季年会 ,東京都, Mar 27, 2002
水中のイオン及び極性分子の回転相関時間の圧力依存性に対する電荷の影響

若井千尋, 松林伸幸, 中原勝

高圧討論会講演要旨集, Nov 1, 2001
水中の分子及びイオンの回転ダイナミクスに対する電荷の効果

若井千尋, 松林伸幸, 中原勝

第24回溶液化学シンポジウム ,岡山市, Sep 21, 2001
溶質溶媒分子間相互作用の違いによる回転ダイナミクスの圧力効果の相違

分子化学研究会「分子科学から見た21世紀の溶液化学」, Jun 2, 2001, 岡崎市
水中の極性分子及びイオンの回転ダイナミクスに対する圧力効果

若井千尋, 松林伸幸, 中原勝

日本化学会講演予稿集, Mar 15, 2001
In situ NMR study on the hydrothermal decomposition of dichloromethane

Chihiro Wakai, Nobuyuki Matubayasi, Masaru Nakahara

Pacifichem 2000 ,Honolulu, Dec 17, 2000
In-situ NMRによる芳香族・脂肪族有機塩素化合物の水熱分解反応の研究

若井千尋, 松林伸幸, 中原勝

第23回溶液化学シンポジウム ,岡崎市, Nov 17, 2000
並進・回転ダイナミクスに対する引力的分子間相互作用の効果

溶液化学プレシンポジウム, Nov 15, 2000, 岡崎市
In-situ NMR Study of Hydrothermal Reactions of Hazardous Chlorinated Organic Compounds: CH₂Cl₂

Nakahara M, Wakai C, Tsujino Y, Natubayasi N

Proc. 13th International Conference of Water and Steam, 13, 456-463, 2000

Industrial Property Rights

特許5046319 細胞・微生物のＮＭＲ測定方法及びＮＭＲ用プローブ並びにＮＭＲ制御装置

池田武義, 中原勝, 松林伸幸, 若井千尋
特許4481060 水熱反応を利用した水素の製造方法

中原勝, 松林伸幸, 若井千尋, 吉田健
特開2009-46429 エーテルの製造方法

中原勝, 松林伸幸, 若井千尋, 八坂能郎
特開2005-220118 芳香族化合物の製造方法

中原勝, 松林伸幸, 若井千尋
特開2005-213222 新規なグリコール酸の製造方法

中原勝, 松林伸幸, 若井千尋, 諸岡紗以子
特開2005-206498 エーテルの製造方法

中原勝, 松林伸幸, 若井千尋, 臼井祐馬
特開2005-145899 グリコール酸の製造方法

中原勝, 松林伸幸, 若井千尋
特開WO2005-022183 高温測定用ｎｍｒプローブ

中原勝, 松林伸幸, 若井千尋, 池田武義