| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Amphiphilic molecules such as lipids and surfactants become lyotropic liquid crystals in the presence of water and form various phase structures by phase separation on the nanometer scale. Among them, the bicontinuous cubic phase has a periodic structure like a triply periodic minimal surface. The polar-nonpolar interface structure has been considered to be similar to a constant mean curvature surface. However, X-ray structure analysis using a single crystal region revealed that the interface is parallel to the triply periodic minimal surface in both type 1 and type 2 bicontinuous cubic phases. This was considered to be due to the advantage of increasing the structural entropy of the molecular chain rather than the loss of interfacial free energy.
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