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Issue 52, 2014
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Bioimaging based on fluorescent carbon dots

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Abstract

Nanosized fluorescent carbon particles, namely, carbon dots (CDs), are a kind of fluorescent material that has drawn increasing attention in recent years. CDs have size-, surface chemistry-, and wavelength-dependent luminescence emission, which is different from traditional semiconductor-based quantum dots. Moreover, with excellent chemical stability, good biocompatibility, low toxicity, up-conversion emission, resistance to photo bleaching, as well as easy chemical modifications, CDs are promising for substantial applications in numerous areas: bioimaging, sensors, and energy-related devices. Herein, three kinds of fluorescent dots are reviewed: graphene quantum dots (GQDs), carbon nanodots (CNDs) and polymer dots (PDs). After the first reported CDs prepared from electrophoretic analysis and purification of fluorescent carbon nanotube fragments, there were hundreds of publications focusing on fluorescent CDs. Bioimaging was one of the most common applications of the CDs; therefore, in this review, most of the chosen reference papers were related to bioimaging based on CDs.

Graphical abstract: Bioimaging based on fluorescent carbon dots

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Article information


Submitted
27 Dec 2013
Accepted
19 May 2014
First published
29 May 2014

RSC Adv., 2014,4, 27184-27200
Article type
Review Article

Bioimaging based on fluorescent carbon dots

Y. Song, S. Zhu and B. Yang, RSC Adv., 2014, 4, 27184 DOI: 10.1039/C3RA47994C

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