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介绍了核酸修饰电极的制备及其特点，对核酸修饰电极用于ＮＡ的痕量分析，电化学ＤＮＡ传感器，ＮＡ与其它分子相互作用，以及ＮＡ的结构研究等方面的最新进展进行了评述。
The preparation and characterization of nucleic acid modified electrode were introduced. The latest progress in the application of nucleic acid modified electrode to trace analysis of NA, electrochemical DNA sensor, interaction between NA and other molecules and the structure of NA was reviewed.