Issue 24, 2015
From the journal:

Analyst

Enhanced sensing performance of supported graphitic carbon nitride nanosheets and the fabrication of electrochemiluminescent biosensors for IgG†

Xiaojian Li,a   Hongmin Ma,a   Yong Zhang,a   Dan Wu,a   Xiaohui Lv,a   Bin Dua  and  Qin Wei*a  

* Corresponding authors

a Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
E-mail: sdjndxwq@163.com

Abstract

The key challenge for fabricating electrogenerated chemiluminescence (ECL) biosensors still lies in the improvement of the sensing performance of ECL luminophores. Graphite-like carbon nitride (g-C3N4) nanosheets were prepared and the cathodic ECL performance was investigated. The ECL emission of g-C3N4 nanosheets was greatly enhanced and higher sensing sensitivity towards copper ions was achieved by a “space effect”, the incorporation of g-C3N4 nanosheets into a top-down prepared nanoporous matrix. Label-free ECL immunosensors were fabricated based on this simple sensing platform. The unique signal amplification strategy and simple fabrication procedure guarantee the sensor stability and production reproducibility. Nanoporous matrix supported ECL probes have potential as a versatile sensing strategy for the fabrication of ECL biosensors.

Graphical abstract: Enhanced sensing performance of supported graphitic carbon nitride nanosheets and the fabrication of electrochemiluminescent biosensors for IgG

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C5AN01244A
Article type
Paper
Submitted
23 Jun 2015
Accepted
30 Oct 2015
First published
30 Oct 2015

Analyst, 2015,140, 8172-8176

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Enhanced sensing performance of supported graphitic carbon nitride nanosheets and the fabrication of electrochemiluminescent biosensors for IgG

X. Li, H. Ma, Y. Zhang, D. Wu, X. Lv, B. Du and Q. Wei, Analyst, 2015, 140, 8172 DOI: 10.1039/C5AN01244A

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