Construction of opt-magnetic nano materials by Programmable DNA self-organization
可编程DNA自组织构建光磁纳米材料
基本信息
- 批准号:15087203
- 负责人:
- 金额:$ 19.71万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research on Priority Areas
- 财政年份:2003
- 资助国家:日本
- 起止时间:2003 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DNA is the most important material in life science, and can also be regarded as a naturally occurring and highly specific functional biopolymer. DNA shows promise as a provider of a structural basis for the "bottom-up" fabrication of inorganic and bio-organic molecular devices.DNA and nano-particle complex networks were constructed by self assembly technique, such as Au nano-particle/DNA, ferromagnetic Co nano particle on mica substrate, and straight one dimensional lines of nano-particle/DNA network along mono-layer step on Al_2O_3(0001) single crystal substrate surface.Point Contact Imaging (PCI)-AFM technique was, developed to reveal nano scale conductivity of DNA network, and dependence of DNA conductivity on humidity was reported suggesting ionic conduction.Atomic Force Microscope nano-lithography we have developed, was used to construct robust nano-structures of complex oxides down to 30 nm in size, which exhibit High Curie temperature, perfect spin polarization, and high stability for biological molecules.We have realized (La,Ba)MnO_3 and new ferromagnetic oxide (Fe,Mn)_3O_4 nano-gap electrode structures and successful formation of DNA and Au nano-particle self assembled nano structure within them.
DNA是生命科学中最重要的物质,也可以被视为一种天然存在的、高度特异性的功能性生物聚合物。DNA作为“自底向上”制备无机和生物有机分子器件的结构基础,具有广阔的应用前景,利用自组装技术构建了DNA与纳米粒子的复合网络,如Au纳米粒子/DNA,云母基底上的铁磁Co纳米粒子,以及纳米粒子/DNA网络沿着单层台阶的一维直线在Al_2O_3(0001)单晶衬底表面的分布。利用原子力显微镜(AFM)纳米光刻技术构建了纳米尺度的复合氧化物纳米结构,该结构具有高居里温度、完美的自旋极化和对生物分子的高稳定性,并实现了(La,Ba)MnO_3和新型铁磁氧化物(Fe,Mn)_3O_4纳米间隙电极结构,并在其中成功形成了DNA和Au纳米粒子自组装纳米结构。
项目成果
期刊论文数量(77)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nanoscale Observation of Room-Temperature Ferromagnetism on Ultrathin (La,Ba)Mn03 Films
超薄 (La,Ba)Mn03 薄膜上室温铁磁性的纳米观察
- DOI:
- 发表时间:2003
- 期刊:
- 影响因子:0
- 作者:T.Kanki;R-W.Li;Y.Naitoh;H.Tanaka;T.Matsumoto;T.Kawai
- 通讯作者:T.Kawai
Fe3-xZnxO4 thin film as tunable high Curie temperature ferromagnetic semiconductor
- DOI:10.1063/1.2405389
- 发表时间:2006-12-11
- 期刊:
- 影响因子:4
- 作者:Takaobushi, Junichi;Tanaka, Hidekazu;Ishikawa, Tetsuya
- 通讯作者:Ishikawa, Tetsuya
Nano-Scale Modification of Electrical and Magnetic Properties on a Fe304 Thin Film by AFM Lithography
利用 AFM 光刻技术对 Fe304 薄膜的电学和磁学性能进行纳米级改性
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:M.Hirooka;H.Tanaka;R-W.Li;T.Kawai
- 通讯作者:T.Kawai
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TANAKA Hidekazu其他文献
Development of Methods of Creating and Observing Atomically-ordered Side-surfaces on Three-dimensionally Architected Si Substrates
在三维硅基片上创建和观察原子有序侧面的方法的发展
- DOI:
10.1380/vss.62.427 - 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
HATTORI Azusa N.;TAKEMOTO Shohei;YANG Haoyu;HATTORI Ken;DAIMON Hiroshi;TANAKA Hidekazu - 通讯作者:
TANAKA Hidekazu
TANAKA Hidekazu的其他文献
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{{ truncateString('TANAKA Hidekazu', 18)}}的其他基金
Elucidation of corrosion mechanism of galvanized steels in chloride environment using artificial rust and development of high corrosion resistant steels
利用人工锈蚀阐明氯化物环境中镀锌钢的腐蚀机理及高耐腐蚀钢的开发
- 批准号:
20K05156 - 财政年份:2020
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
High-precision measurement of electron-neutrino with a water Cherenkov detector
利用水切伦科夫探测器高精度测量电子中微子
- 批准号:
26800128 - 财政年份:2014
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Metabolomics in heart failure
心力衰竭的代谢组学
- 批准号:
25860602 - 财政年份:2013
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Study in enhancement mechanism of corrosion resistance of steel using artificial rust particles and development of high corrosion resistant steels
人工锈颗粒增强钢耐蚀性机理研究及高耐蚀钢的开发
- 批准号:
23760699 - 财政年份:2011
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Theoretical study on an unified process of planetesimal formation and accumulation
星子形成与积累统一过程的理论研究
- 批准号:
22540242 - 财政年份:2010
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Elucidation of Enhancement Mechanism of Resistance to Corrosion of Galvanized Steel by Artificial Zinc Rusts
人工锌锈增强镀锌钢耐蚀性机理的阐明
- 批准号:
21760588 - 财政年份:2009
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Novel Nano-electronics based on Strongly Correlated Oxides
基于强相关氧化物的新型纳米电子学
- 批准号:
21676001 - 财政年份:2009
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Young Scientists (S)
On the effect of the symmetryviolation of loss function to the admissibility of estimation
损失函数对称性破坏对估计可接受性的影响
- 批准号:
21700309 - 财政年份:2009
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Study of New Ground and Excited States in Quantum Spin Systems under Extreme Conditions
极端条件下量子自旋系统新基态和激发态的研究
- 批准号:
20244056 - 财政年份:2008
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Nicotine-induced remodeling of synapse in hippocampal neuron.
尼古丁诱导海马神经元突触重塑。
- 批准号:
19590247 - 财政年份:2007
- 资助金额:
$ 19.71万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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