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Author:

鲁理平 (鲁理平.) (Scholars:鲁理平) | 李娇 (李娇.) | 武静 (武静.) | 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:

纳米金颗粒具有高的消光系数和良好的表面等离子体共振特性,其等离子体共振特性受纳米金颗粒的尺寸和周围环境等因素的影响.本文基于半导体纳米晶电化学发光信号对金纳米颗粒的距离依赖性制备了DNA电化学发光传感器.首先利用循环伏安法(CV)在玻碳电极(GCE)表面原位沉积金纳米颗粒(Au NPs),巯基丙酸包裹的Cd S量子点(QDs)与氨基修饰的双链DNA(ds DNA)通过酰胺键缩合,形成量子点修饰的双链DNA(QDs-ds DNA).最后将QDs-ds DNA通过ds DNA另一端的巯基组装到纳米金表面,得到Cd S QDs-DNA/Au NPs/GCE电化学发光传感器.在优化电极表面QDs-ds...

Keyword:

电化学发光 量子点 金纳米颗粒 全氟辛酸 DNA

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院
  • [ 2 ] 区域大气复合污染防治北京市重点实验室

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Source :

物理化学学报

Year: 2015

Issue: 03

Volume: 31

Page: 483-488

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: 6

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