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Issue 35, 2013
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Controlling carbon encapsulation of gold nano-aggregates as highly sensitive and spectrally stable SERS tags for live cell imaging

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Abstract

We describe a highly sensitive and spectrally stable surface-enhanced Raman scattering (SERS) tag for live cell imaging based on carbon-encapsulated gold nano-aggregates (CEGNAs). Our findings reveal that controlling the synthesis of the gold nano-aggregate core can be achieved under the mediation of cetyltrimethylammonium bromide (CTAB) through electrostatic forces and hydrophobic interactions, and as the number of particles in the aggregates increase, the relative SERS activity also increases hugely.

Graphical abstract: Controlling carbon encapsulation of gold nano-aggregates as highly sensitive and spectrally stable SERS tags for live cell imaging

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Publication details

The article was received on 05 Jun 2013, accepted on 19 Jul 2013 and first published on 22 Jul 2013


Article type: Communication
DOI: 10.1039/C3TB20801J
J. Mater. Chem. B, 2013,1, 4364-4369

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    Controlling carbon encapsulation of gold nano-aggregates as highly sensitive and spectrally stable SERS tags for live cell imaging

    G. Zhang, G. Qu, Y. Chen, A. Shen, W. Xie, X. Zhou and J. Hu, J. Mater. Chem. B, 2013, 1, 4364
    DOI: 10.1039/C3TB20801J

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