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J Am Chem Soc. 2012 Oct 24;134(42):17346-9. doi: 10.1021/ja305352d. Epub 2012 Jul 20.

Graphene oxide wrapping on squaraine-loaded mesoporous silica nanoparticles for bioimaging.

Author information

1
Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore.

Abstract

Squaraine dyes were loaded inside mesoporous silica nanoparticles, and the nanoparticle surfaces were then wrapped with ultrathin graphene oxide sheets, leading to the formation of a novel hybrid material. The hybrid exhibits remarkable stability and can efficiently protect the loaded dye from nucleophilic attack. The biocompatible hybrid is noncytotoxic and presents significant potential for application in fluorescence imaging in vitro.

PMID:
22799451
DOI:
10.1021/ja305352d
[Indexed for MEDLINE]

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