[1]魏南南,毛慧,吴丽,等.苏丹Ⅱ与血红蛋白相互作用的电化学研究[J].南京师大学报(自然科学版),2010,33(01):63-67.
　Wei Nannan,Mao Hui,Wu Li,et al.Electrochemical Study on Interaction of SudanⅡ and Hemoglobin[J].Journal of Nanjing Normal University(Natural Science Edition),2010,33(01):63-67.
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苏丹Ⅱ与血红蛋白相互作用的电化学研究()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第33卷
期数:
2010年01期
页码:
63-67
栏目:
化学
出版日期:
2010-03-20

文章信息/Info

Title:
Electrochemical Study on Interaction of SudanⅡ and Hemoglobin
作者:
魏南南;毛慧;吴丽;陆天虹;赵波;杜江燕;
江苏省生物功能材料重点实验室, 南京师范大学化学与环境科学学院, 江苏南京210046
Author(s):
Wei Nannan; Mao Hui; Wu Li; Lu Tianhong; Zhao Bo; Du Jiangyan
Jiangsu Key Laboratory of Biofunctional Materials,School of Chemistry and Environmental Science,Nanjing Normal University,Nanjing 210046,China
关键词:
血红蛋白;  苏丹Ⅱ ;  碳纳米管;  电化学反应
Keywords:
hem og lobin;  sudanⅡ ;  carbon nanotubes;  e lectrochem ica l reaction
分类号:
R114
摘要:
用循环伏安法研究了苏丹Ⅱ与牛血红蛋白(BHb)在碳纳米管(CNTs)修饰玻碳(GC)电极上的电化学行为,发现苏丹Ⅱ在CNTs修饰的GC(CNTs/GC)电极上能进行准可逆的电化学反应,式量电位E 0′为55 mV.而在BHb/CNTs/GC电极上,苏丹Ⅱ电化学反应也是准可逆的,但E 0′为70 mV,正移了15 mV,表明苏丹Ⅱ与BHb发生了相互作用.苏丹Ⅱ与BHb的相互作用还与溶液pH有关,在pH为4.5时,它们的相互作用最强.
Abstract:
The e lectrochem ica l behav ior of SudanⅡ w ith BH b w as investigated at the CNTs m od ified GC e lectrode using the cyc lic voltamm etry. It w as found SudanⅡ can undergo a quas-i reversib le electrochem ical reac tion at the CNTs/GC e lectrode. The form a l potentia,l E 0′ is 55mV. A t the BH b /CNTs/GC electrode, the e lectrochem ica l reaction o f SudanⅡis a lso quas-i revers ible. H ow ever, E 0′  is 70 mV. It is positive ly sh ifted 15 mV, com par ing w ith tha t a t the CNTs/GC e lectrode. Th is demonstra ted that Sudan? has interacted w ith BH b. The in terac tion between SudanⅡ and BHb is a lso re lated to the pH of the so lu tion. When the pH o f the so lution is 4.5, the ir interaction is the strongest

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备注/Memo

备注/Memo:
基金项目: 自然科学基金委重点基金( 20833006) . 通讯联系人: 杜江燕, 博士, 教授, 研究方向: 生物电化学. E-mail:dujiangyan@ njnu. edu. cn
更新日期/Last Update: 2013-04-08