| Budget Amount *help |
¥19,500,000 (Direct Cost: ¥15,000,000、Indirect Cost: ¥4,500,000)
Fiscal Year 2014: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2013: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2012: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
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| Outline of Final Research Achievements |
We developed novel prober system in combination with LCR meter and impedance analyzer. Employing extremely small single crystal, complex impedance is available to measure at 20 Hz～3 GHz. By considering an appropriate equivalent circuit, we have clarified the dynamics of the water network in molecular porous crystal Ni(cyclam), and the erythritol-intercalated water network. The dielectric constant in wide range of frequency (700 Hz‐16.3 GHz) indicates the dielectric dispersion due to configurational change of electric dipole concerning strongly hydrated water molecules in the primary and secondary hydration shells. The relaxation time is three orders of magnitude smaller than one in free water. The erythritol-intercalated water network shows large dielectric constant and isotope effect, which reveal a local proton transfer generated near the erythritol molecule. We have successfully opened the way for the study of individual biological molecules by utilizing hydrophilic nanospaces.
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