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1篇 您的检索式:作者名="Cunwang Ge"
    题名 作者 年代 出处 被引量
1Potential control of DNA self-assembly on gold electrode显示文摘The self-assembly monolayer (SAM) was prepared with 2-aminoethanethiol (AET) on the gold electrode. A new approach based on potential was first used to control DNA self-assembly covalently onto the SAM with the activation of l-ethyl-3(3-dimethylaminopropyl)-carbodiimide (EDC) and N-hydroxysulfosuccinimide (NHS). The influence of potential on DNA self-assembly was investigated by means of cyclic voltammetry (CV), AC impedance, Auger electron spectrometry (AES) and atomic force microscopy (AFM). The result proves that controlled potential can affect the course of DNA self-assembly. More negative potential can restrain the DNA self-assembly, while more positive potential can accelerate the DNA self-assembly, which is of great significance for the control of DNA self-assembly and will find wide application in the field of DNA-based devices.Cunwang Ge Yibin Tan Jianhui Liao Yu Zhang Haiqian Zhang Ning Gu 2002Chinese Science Bulletin2002,47,5:2
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