Mirror image DNA nanostructures for chiral supramolecular assemblies.
Mirror image DNA nanostructures for chiral supramolecular assemblies.
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DOI:
10.1021/nl803328v
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发表时间:
2009-01
期刊:
影响因子:
10.8
通讯作者:
Yan H
中科院分区:
文献类型:
--
作者:
Lin C;Ke Y;Li Z;Wang JH;Liu Y;Yan H
L-DNA, the mirror image of natural D-DNA, can be readily self-assembled into designer discrete or periodic nanostructures. The assembly products are characterized by polyacrylamide gel electrophoresis (PAGE), circular dichroism (CD) spectrum, atomic force microscope (AFM) and fluorescence microscope. We found that the use of enantiomer DNA as building material leads to the formation of DNA supra-molecules with opposite chirality. Therefore, the L-DNA self-assembly is a substantial complement to the structural DNA nanotechnology. Moreover, the L-DNA architectures feature superior nuclease resistance thus are appealing for in vivo medical applications.
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