分析化学
Print ISSN : 0525-1931
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水晶振動子マイクロバランスと電気化学計測による金電極への5'-チオール化DNAの吸着挙動解析
森田 耕太郎内田 達也桜井 千鶴寺前 紀夫
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54 巻 (2005) 6 号 p. 555-559

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The adsorption and desorption processes of 5'-thiolated DNA oligomers onto a gold electrode were investigated using a quartz crystal microbalance (QCM). The morphology of the DNA layer adsorbed on the gold surface was observed and characterized using scanning tunneling microscopy (STM) and electrochemical measurements. The results of QCM experiments showed that the surface coverage of tholated DNA was estimated to be ca. 30%. The STM observation and electrochemical measurements revealed the flexibility of the immobilzied DNA on the gold electrode surface.

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© The Japan Society for Analytical Chemistry 2005
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