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The integration of gold nanoparticles with semi-conductive oligomer layer for development of capacitive immunosensor

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成果类型:
期刊论文
作者:
Hu, SQ;Xie, ZM;Lei, CX;Shen, GL*;Yu, RQ
通讯作者:
Shen, GL
作者机构:
[Shen, GL] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Peoples R China.
Zhu Zhou Teachers Coll, Dept Chem, Zhuzhou 412007, Peoples R China.
Hunan City Coll, Dept Chem & Environm Engn, Yiyang 413049, Peoples R China.
通讯机构:
[Shen, GL] H
Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Peoples R China.
语种:
英文
关键词:
Capacitive immunosensor;Gold nanoparticles;Oligomer layer;Transferrin
期刊:
Sensors and Actuators B-Chemical
ISSN:
0925-4005
年:
2005
卷:
106
期:
2
页码:
641-647
机构署名:
本校为其他机构
院系归属:
材料与化学工程学院
摘要:
A new strategy for constructing the capacitance immunosensor was developed based on gold nanoparticles, which were employed as the platform to immobilize immunospecies. Gold nanoparticles were fixed on the gold electrode, on which the oligomer layer of o-aminobenzenthiol was pre-formed via electrochemical polymerization. An interesting immunospecies was loaded on gold nanoparticles to complete the fabrication of capacitance immunosensor. The changes in morphology of the gold electrode during the experiments were revealed by atomic force microsc...

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