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Title: Graphene oxide based fluorescent nanocomposites for cellular imaging
Authors: Sheng, Y.
Tang, X. 
Peng, E.
Xue, J. 
Issue Date: 28-Jan-2013
Citation: Sheng, Y., Tang, X., Peng, E., Xue, J. (2013-01-28). Graphene oxide based fluorescent nanocomposites for cellular imaging. Journal of Materials Chemistry B 1 (4) : 512-521. ScholarBank@NUS Repository.
Abstract: Carbon based 2-D material graphene oxide (GO) is a promising platform for preparing composites for biomedical applications because of its superior water solubility and low toxicity. Herein, we reported a convenient route to prepare fluorescent nanocomposites incorporating water-soluble GO sheets and Zn doped AgInS2 nanoparticles. According to the study, the photoluminescence of the Zn doped AgInS2 nanoparticles was well maintained after the hybridization using GO. No obvious emission shift was observed and the PL intensity was stable for over three months with negligible quenching. The PEGylated AIZS-GO nanocomposites could be readily up-taken by NIH/3T3 cells (mouse embryonic fibroblast cell line) while no distinct cytotoxicity was observed. The subsequent in vitro cellular imaging of NIH/3T3 cells proved that the as-prepared AIZS-GO-PEG nanocomposites were potential fluorescent probes for biomedical targeting and imaging. This journal is © 2013 The Royal Society of Chemistry.
Source Title: Journal of Materials Chemistry B
ISSN: 20507518
DOI: 10.1039/c2tb00123c
Appears in Collections:Staff Publications

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