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Issue 15, 2012
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Facile synthesis of water-soluble, highly fluorescent graphene quantum dots as a robust biological label for stem cells

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Abstract

We present a facile electrochemical method for synthesizing uniform sized graphene quantum dots (GQDs) with a strong yellow emission at 14% quantum yield. This approach has enabled a large-scale production of aqueous GQD solution without the need for polymeric or surfactant stabilizers. The structure and emission mechanism of the GQDs have been studied by combining extensive characterization techniques, rigorous control experiments and theoretical calculations. We further demonstrate the distinctive advantages of such GQDs for direct and efficient stem cell labeling, opening up great opportunities for their bio-medical applications.

Graphical abstract: Facile synthesis of water-soluble, highly fluorescent graphene quantum dots as a robust biological label for stem cells

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Publication details

The article was received on 25 Dec 2011, accepted on 15 Feb 2012 and first published on 09 Mar 2012


Article type: Paper
DOI: 10.1039/C2JM16835A
Citation: J. Mater. Chem., 2012,22, 7461-7467
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    Facile synthesis of water-soluble, highly fluorescent graphene quantum dots as a robust biological label for stem cells

    M. Zhang, L. Bai, W. Shang, W. Xie, H. Ma, Y. Fu, D. Fang, H. Sun, L. Fan, M. Han, C. Liu and S. Yang, J. Mater. Chem., 2012, 22, 7461
    DOI: 10.1039/C2JM16835A

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