| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Research Abstract |
ZnO or Si nanowire arrays with a large-area and high-density were fabricated on glass or Si substrates. After spin-coating a hydrophobic ionic liquid (IL) on the nanostructured surface, aqueous solution of rhodamine B was placed on it. As a result, rhodamine B was efficiently concentrated more than 1,000 times by extracting into the thin layer of IL on the substrate, and it can be detected by fluorescence with high sensitivity.
On the other hand, we have also utilized photofunctional molecular assemblies to convert and amplify molecular information of target biomolecules. The appropriate combination of cationic lipids and anionic dyes affords unique superstructures simply by being in contact with aqueous dye with the cast-film of cationic lipids. The anionic dyes adsorbed on the lipid film as J-aggregates, and they were used as fluorescence donor to detect 7-nitrobenzofurazan-labeled biomolecules based on the fluorescence resonance energy transfer on the composite films.
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