Base-pair stacking in oriented films of DNA-surfactant complex

被引：27

作者：

Yang, CY

Moses, D ^{[1
]}

Heeger, AJ

机构：

[1] Univ Calif Santa Barbara, Inst Polymers & Organ Solids, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

来源：

ADVANCED MATERIALS | 2003年 / 15卷 / 16期

关键词：

D O I：

10.1002/adma.200305171

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The sensitivity of DNA base-pair stacking to water content, as shown here, may be responsible for widely different transport results reported in the literature. Oriented films of a DNA-surfactant complex in which aligned double helices are separated by 4.1 nm, with face-to-face base-pair stacking, bases separated by 0.34 nm, and good pi-pi overlap, are examined. Dehydration drives the base pairs from parallel planar packing to edge packing with poor pi-pi overlap (see Figure).

引用

页码：1364 / +

页数：5

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