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题名: DNA-mediated charge transport by minor groove-binding polyamide
作者: Ji, Zhonghua;  Li, Jingjian;  Zhu, Bin;  Yuan, Gu;  Cai, Shengmin
关键词: polyamide ;  DNA minor groove ;  charge transport ;  broadened pi-stack ;  human telomere
刊名: ELECTROCHEMISTRY COMMUNICATIONS
发表日期: 2007-07-01
DOI: 10.1016/j.elecom.2007.03.020
卷: 9, 期:7, 页:1667-1671
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: A novel polyamide-modified electrode was fabricated successfully by surface synthesis. The DNA-mediated charge transport by minor groove-binding polyamide was observed for the first time with a [Ru(NH3)(6)](2+/3+) probe. Two control experiments on HSC11H22NH2 SAM/Au electrode, with and without DNA adsorption, confirmed that polyamide-DNA complex was a medium of charge transport. Four different DNA sequences were employed to investigate the effect of the charge transport of the polyamide-DNA complex in the minor groove. The peak current and a positive shift of peak potential were enhanced with the affinity increase between polyamide and DNA sequences. The experimental result offers a powerful tool for exquisite recognition of different sequences of base-pairs in double-stranded DNA. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: HAIRPIN POLYAMIDE ;  MODIFIED SURFACES ;  ELECTRON-TRANSFER ;  STRUCTURAL BASIS ;  BASE-PAIRS ;  RECOGNITION ;  SEQUENCE ;  MOTIF ;  GOLD ;  ELECTROCHEMISTRY
语种: 英语
WOS记录号: WOS:000248089400046
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140698
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Peking Univ, Coll Chem & Mol Engn, Inst Chem Phys, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
2.Peking Univ, Minist Educ, Dept Biol Chem, Key Lab Bioinorgan Chem & Mol Engn, Beijing 100871, Peoples R China

Recommended Citation:
Ji, Zhonghua,Li, Jingjian,Zhu, Bin,et al. DNA-mediated charge transport by minor groove-binding polyamide[J]. ELECTROCHEMISTRY COMMUNICATIONS,2007,9(7):1667-1671.
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