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Author:

鲁理平 (鲁理平.) (Scholars:鲁理平) | 许来慧 (许来慧.) | 康天放 (康天放.) (Scholars:康天放) | 程水源 (程水源.) (Scholars:程水源)

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CQVIP PKU CSCD

Abstract:

研制了用于研究DNA损伤的电化学发光传感器。在0.1 mol/L CdCl2和0.02 mol/L Na2S2O3(0.1mol/L HCl调节至pH 2~3,50℃)溶液中,采用循环伏安法(CV)在玻碳电极表面原位沉积硫化镉纳米晶,构建了硫化镉纳米晶修饰的电极界面(CdS QDs/GCE);以半胱氨酸为连接剂,利用羧氨键(CONH)将氨基修饰的短链DNA组装到CdS表面(DNA/CdS QDs/GCE)。以H2O2为共反应剂,利用电化学发光方法研究了全氟辛烷磺酸对DNA的损伤。结果表明,全氟辛烷磺酸温浴后的双链DNA修饰硫化镉的电化学发光信号强度介于单链和双链DNA之间,且随着全氟辛烷磺...

Keyword:

DNA损伤 电化学发光 硫化镉量子点 全氟辛烷磺酸

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院

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Source :

分析化学

Year: 2013

Issue: 06

Volume: 41

Page: 805-810

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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