Structure and dynamics of liquids confined in mesoporous organosilica
| Project/Area Number |
23550028
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Physical chemistry
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| Research Institution | Fukuoka University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
YOSHIDA Koji 福岡大学, 理学部, 助教 (00309890)
INAGAKI Shinji 株式会社豊田中央研究所, 稲垣特別研究室, シニアフェロー (30374086)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | メソ細孔物質 / メソポーラス有機シリカ / メソポーラス炭素 / 細孔水の構造 / 細孔水のダイナミクス / X線回折 / 中性子準弾性散乱 / 中性子スピンエコー法 / 規則的メソポーラス炭素 / 水の構造 / 水のダイナミクス / 中性子スピンエコー / 拡散係数 / メソ多孔性物質 / 制限空間水 / 準弾性中性子散乱 / 水のダイナミックス / 活性化エネルギー |
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| Research Abstract |
Thermal behavior, structure and dynamic properties of water confined in two types of mesoporous organosilica (PMO), i.e. Ph-PMO where the phenyl groups are embedded in silica matrix, and TMS-Ph-PMO where the silanol groups of Ph-PMO are modified by tetramethyl silane, and Sephadex G15 polymer gels as a model of biological cell have been investigated by differential scanning calorimetry, in situ X-ray diffraction, and neutron spin echo and quasielastic neutron scattering measurements. The hydrogen bonded network of water is more distorted and the translational motion of water molecules is more retarded due to confinement and the interactions with the walls than those of bulk water. The more hydrophobic the wall, the less the activation energy of the translational and rotational motions of a water molecule in confinement.
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Report
(4 results)
Research Products
(59 results)
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[Journal Article] Thermal behavior, structure, and dynamics of low-temperature water confined in mesoporous organosilica by differential scanning calorimetry, X-ray diffraction, and quasi-elastic neutron scattering2013
Author(s)
M. Aso, K. Ito, H. Sugino, K. Yoshida, T. Yamada, O. Yamamuro, S. Inagaki, T. Yamaguchi
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Journal Title
Pure Appl. Chem.
Volume: 85
Related Report
Peer Reviewed
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[Presentation]2011
Author(s)
K. Yoshida, T. Yamaguchi, S. Kittaka, M.-C. Bellissent-Funel, P. Fouquet, D. Bowron
Organizer
Liquid matter conference
Place of Presentation
Wien (Austria)
Related Report
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