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Issue 20, 2016
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Graphene quantum dots as smart probes for biosensing

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Abstract

In recent years, graphene quantum dots (GQDs) have attracted tremendous attention for their potential for biological, optoelectronic and energy-related applications, owing to their excellent biocompatibility, low cytotoxicity, stable photoluminescence (PL) and resistance to photobleaching. Among these applications, GQD-based biosensors are rapidly developed due to their particular PL, electrochemiluminescence (ECL) and electrochemical properties, which are highly sensitive to minute perturbations. In this review, recent exciting progress in GQD-based biosensors, such as PL sensors, ECL sensors and electrochemical sensors is highlighted. First, the synthesis and the fundamental properties of GQDs are briefly introduced. Then, emerged applications of PL, ECL and electrochemical biosensors are mainly addressed. Finally, their future potential developments are discussed and speculated.

Graphical abstract: Graphene quantum dots as smart probes for biosensing

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Article information


Submitted
29 Jan 2016
Accepted
19 Apr 2016
First published
21 Apr 2016

Anal. Methods, 2016,8, 4001-4016
Article type
Minireview

Graphene quantum dots as smart probes for biosensing

R. Xie, Z. Wang, W. Zhou, Y. Liu, L. Fan, Y. Li and X. Li, Anal. Methods, 2016, 8, 4001
DOI: 10.1039/C6AY00289G

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