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Issue 4, 2013
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Cytoprotective effects of graphene oxide for mammalian cells against internalization of exogenous materials

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Abstract

To date, graphene oxide (GO), an oxidized version of graphene, has been utilized in many research areas including bioapplications such as drug delivery and bioanalysis. Unlike other spherical or polygonal nanomaterials, GO exhibits a sheet-like structure, which in itself suggests interesting applications based on its shape. Here we show that GO can protect cells from internalization of toxic hydrophobic molecules, nanoparticles, and nucleic acids such as siRNA and plasmid DNA by interacting with cell surface lipid bilayers without noticeably reducing cell viability. Furthermore, the cytoprotective effect of GO against the internalization of extracellular materials enabled spatial control over gene transfection through region-selective gene delivery only into GO-untreated cells, and not into the GO-treated cells.

Graphical abstract: Cytoprotective effects of graphene oxide for mammalian cells against internalization of exogenous materials

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Publication details

The article was received on 21 Aug 2012, accepted on 14 Dec 2012 and first published on 18 Dec 2012


Article type: Paper
DOI: 10.1039/C2NR33800A
Citation: Nanoscale, 2013,5, 1669-1677
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    Cytoprotective effects of graphene oxide for mammalian cells against internalization of exogenous materials

    H. Na, M. Kim, J. Lee, Y. Kim, H. Jang, K. E. Lee, H. Park, W. Do Heo, H. Jeon, I. S. Choi, Y. Lee and D. Min, Nanoscale, 2013, 5, 1669
    DOI: 10.1039/C2NR33800A

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