Self-assembled DNA networks and their electrical conductivity

被引：277

作者：

Cai, LT ^{[1
]}

Tabata, H ^{[1
]}

Kawai, T ^{[1
]}

机构：

[1] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan

来源：

APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 19期

关键词：

D O I：

10.1063/1.1323546

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report direct measurements of the intrinsic electrical characteristics of polynucleotides using a conducting-probe atomic-force microscope under vacuum. Poly(dA).poly(dT) self-assemble a cross-interlaced network on mica, but poly(dG).poly(dC) self-organize a uniform two-dimensional reticulated structure. Transport studies demonstrate that poly(dG).poly(dC) can act as a semiconducting nanowire and show a better conductance than that in poly(dA).poly(dT). (C) 2000 American Institute of Physics. [S0003-6951(00)01045-7].

引用

页码：3105 / 3106

页数：2

共 28 条

[1] Single molecule physics and chemistry
Bai, CL
Wang, C
Xie, XS
Wolynes, PG
[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1999, 96 (20) : 11075 - 11076
[2] DNA: Insulator or wire?
Beratan, DN
Priyadarshy, S
Risser, SM
[J]. CHEMISTRY & BIOLOGY, 1997, 4 (01): : 3 - 8
[3] Long-range charge hopping in DNA
Bixon, M
Giese, B
Wessely, S
Langenbacher, T
Michel-Beyerle, ME
Jortner, J
[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1999, 96 (21) : 11713 - 11716
[4] DNA-templated assembly and electrode attachment of a conducting silver wire
Braun, E
Eichen, Y
Sivan, U
Ben-Yoseph, G
[J]. NATURE, 1998, 391 (6669) : 775 - 778
[5] Oxidative thymine dimer repair in the DNA helix
Dandliker, PJ
Holmlin, RE
Barton, JK
[J]. SCIENCE, 1997, 275 (5305) : 1465 - 1468
[6] Electrical conduction through DNA molecules
Fink, HW
Schönenberger, C
[J]. NATURE, 1999, 398 (6726) : 407 - 410
[7] Oxidative DNA damage through long-range electron transfer
Hall, DB
Holmlin, RE
Barton, JK
[J]. NATURE, 1996, 382 (6593) : 731 - 735
[8] Harriman A, 1999, ANGEW CHEM INT EDIT, V38, P945, DOI 10.1002/(SICI)1521-3773(19990401)38:7<945::AID-ANIE945>3.0.CO
[9] 2-S
[10] Long-distance charge transport in duplex DNA: The phonon-assisted polaron-like hopping mechanism
Henderson, PT
Jones, D
Hampikian, G
Kan, YZ
Schuster, GB
[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1999, 96 (15) : 8353 - 8358

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