首页> 外文期刊>Chemistry: A European journal >Controlling Electron Rebound within Four-Base p-Stacks in Z-DNA by Changing the Sugar Moiety from Deoxy- to Ribonucleotide
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Controlling Electron Rebound within Four-Base p-Stacks in Z-DNA by Changing the Sugar Moiety from Deoxy- to Ribonucleotide

机译:通过将糖部分从脱氧核苷酸更改为核糖核苷酸来控制Z-DNA的四碱基p堆栈内的电子反弹

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摘要

Charge transfer through DNA is of great interest because of the potential of DNA to be a building block for nanoelectronic sensors and devices. The photochemical reaction of 5-halouracil has been used for probing charge-transfer processes along DNA. We previously reported on unique charge transfer following photochemical reaction of 5-bromouracil within four-base p-stacks in Z-DNA. In this study, we incorporated a guanosine instead of a deoxyguanosine into Z-DNA, and found that electron transfer occurs in a different mechanism through fourbase p-stacks.
机译:通过DNA进行电荷转移非常令人感兴趣,因为DNA可能成为纳米电子传感器和设备的基础。 5-氟尿嘧啶的光化学反应已用于探测沿DNA的电荷转移过程。我们先前曾报道过Z-DNA中4个碱基的p-stack中5-溴尿嘧啶的光化学反应后的独特电荷转移。在这项研究中,我们将鸟嘌呤而不是脱氧鸟苷掺入Z-DNA中,发现通过四碱基p堆以不同的机理发生电子转移。

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