Issue 13, 2022
From the journal:

Analyst

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

Ruina Wang, ORCID logo a   Yun Huangb  and  Yuwu Chi ORCID logo *b  

* Corresponding authors

a Quanzhou Medical College, Quanzhou, Fujian, PR China

b Key Laboratory for Analytical Science of Food Safety and Biology, Ministry of Education, and College of Chemistry, Fuzhou University, Fuzhou, Fujian, P. R China
E-mail: y.w.chi@fzu.edu.cn
Fax: +86-591-22866137
Tel: +86-591-22866137

Abstract

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.

Graphical abstract: Gold nanoparticles-oxidized multi-walled carbon nanotubes as electrochemiluminescence immunosensors

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Article information

DOI
https://doi.org/10.1039/D2AN00661H
Article type
Paper
Submitted
17 Apr 2022
Accepted
31 May 2022
First published
01 Jun 2022

Analyst, 2022,147, 3096-3100

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

R. Wang, Y. Huang and Y. Chi, Analyst, 2022, 147, 3096 DOI: 10.1039/D2AN00661H

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