DNA-like "melting" of adenine- and thymine-functionalized synthetic copolymers

被引：58
|
作者：
Lutz, JF
Thünemann, AF
Rurack, K
机构：
[1] Fraunhofer Inst Appl Polymer Res, Res Grp Nanotechnol Life Sci, D-14476 Golm, Germany
[2] Fed Inst Mat Res & Testing, BAM, Div 1 3, D-12489 Berlin, Germany
来源：
MACROMOLECULES | 2005年 / 38卷 / 20期
关键词：
D O I：
10.1021/ma051476b
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A DNA-like melting behavior of complementary adenine (A) and thymine (T) functionalized synthetic copolymers was investigated. In the solvent of lowest polarity, 1,4-dioxane, a distinct hypochromatic effect was found for the absorption spectra of a mixture of coP-A and coP-T over the entire concentration range. The influence of concentration on the aggregation process was also analyzed. It was shown that the adenine functionalized copolymer coP-A self-assembles with its thymine-functionalized counterpart coP-T into supramolecular aggregates, which show a temperature-dependent 'melting' behavior in nonpolar solvents.
引用
收藏
页码：8124 / 8126
页数：3
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