| Project/Area Number |
22655059
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Functional materials/Devices
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| Research Institution | Hokkaido University |
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Principal Investigator |
IJIRO Kuniharu 北海道大学, 電子科学研究所, 教授 (90221762)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥3,520,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥1,700,000 (Direct Cost: ¥1,700,000)
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| Keywords | DNA / 自己組織化 / メッキ / メタマテリアル / 微細加工 |
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| Research Abstract |
Top-down processes, such as photolithography, have been approaching a limit with regard to the fabrication of fine structures. For the preparation of molecular-scale fine structures, it is important that conventional self-assembly methods should be adapted to a “programmable self-assembly” as a next-generation bottom-up system. We aim to fabricate nano-gap electrodes by sequence-selective metallization of template DNA. We have already reported the fabrication of sequence-selective platinum nano-wires using poly(guanine) and poly(adenine-thymine) diblock DNA, which is enzymatically polymerized as a template. That method, however, cannot be extended to the preparation of oligoblock DNA. In this study, we prepared triblock DNA sequences using guanine as a platinum-binding natural nucleotide and 7-deaza-guanine as a platinum-nonbinding unnatural nucleotide for the construction of platinum nano-wires with nano-gap structures.
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