Gold nanoparticles-oxidized multi-walled carbon nanotubes as electrochemiluminescence immunosensors

被引：6
|
作者：
Wang, Ruina [1 ]
Huang, Yun [2 ]
Chi, Yuwu [2 ]
机构：
[1] Quanzhou Med Coll, Quanzhou 362011, Fujian, Peoples R China
[2] Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350108, Fujian, Peoples R China
来源：
ANALYST | 2022年 / 147卷 / 13期
基金：
中国国家自然科学基金;
关键词：
CARCINOEMBRYONIC ANTIGEN; CEA; IMMUNOASSAY; SERUM; CHEMILUMINESCENCE; PLATFORM; CA125;
D O I：
10.1039/d2an00661h
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Oxidized multi-walled carbon nanotube/nano-gold (AuNP-ox-MWCNT) composites with strong electrochemiluminescence (ECL) activity were applied to construct a new ECL immunosensor for the detection of carcinoembryonic antigen (CEA). The immunosensor showed a linear response range of 10-100 ng mL(-1) and detection limit of 0.76 ng mL(-1) (at a signal-to-noise ratio of 3). The as-developed immunosensor exhibited several advantages, including being simple to fabricate and being label free. The results indicated that ox-MWCNTs as a luminescent material have great application potential in analysis.
引用
收藏
页码：3096 / 3100
页数：5
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