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小牛胸腺DNA与细胞色素C相互作用的电化学和光谱研究
Study on Interaction between CT-DNA and Cytochrome C Using UV-Vis Spectroscopy and Electrochemistry
【摘要】 利用电化学和紫外-可见(UV-Vis)反射吸收光谱技术研究了固定到带正电的尼龙膜上的小牛胸腺DNA(CT-DNA)与马心细胞色素C之间的相互作用,发现马心细胞色素C能以其带正电的活性区域一端吸附到带负电的CT-DNA表面,因此CT-DNA能促进马心细胞色素C的直接电化学反应。
【Abstract】 The interaction between CT-DNA immobilized on the positively charged nylon membrane and cytochrome C was studied (using) UV-Vis reflectance Absorption spectroscopy and electrochemistry. It was found that cytchrome C can be adsorbed on the negative charged CT-DNA surface with the active positive charge area. Therefore, CT-DNA can promote the direct electrochemical reaction of cytochrome C.
【关键词】 CT-DNA;
马心细胞色素C;
尼龙膜;
电化学;
紫外-可见光谱;
相互作用;
【Key words】 CT-DNA; Cytochrome C; Nylon membrane; Electrochemistry; UV-Vis spectroscopy; Interaction;
【Key words】 CT-DNA; Cytochrome C; Nylon membrane; Electrochemistry; UV-Vis spectroscopy; Interaction;
【基金】 国家自然科学基金(20243002);国家“211”工程重点学科建设项目;江苏省教育厅自然科学基金(04KJB150068,04KJD150110);南京师范大学科研启动基金;南京师范大学青年基金项目资助
- 【文献出处】 光谱学与光谱分析 ,Spectroscopy and Spectral Analysis , 编辑部邮箱 ,2005年08期
- 【分类号】Q559.9
- 【被引频次】8
- 【下载频次】255