Gold Nanorod-Embedded Electrospun Fibrous Membrane As a Photothermal Therapy Platform
ACS Applied Materials and Interfaces(2014)
Abstract
A strategy of using a gold nanorod (GNR)-loaded electrospun membrane as a photothermal therapy platform of cancer is reported. The strategy takes both the advantages of the excellent photothermal properties of GNRs to selectively kill the cancerous cells, and the widely used biodegradable electrospun membrane to serve as GNR-carrier and surgical recovery material. PEG modified GNRs. were embedded into the electrospun fibrous membrane which was composed of PLGA and PLA-b-PEG with an 85:15 ratio. After incubation with the cells in the cell culture medium, the PEG-GNRs were released from the membrane and taken up by cancer cells, allowing the generation of heat upon NIR irradiation to induce cancer cell death. We have demonstrated that the use of PEG-GNR-embedded membrane selectively killed the cancerous cells and effectively inhibited cancer cell proliferation though in vitro experiments. The PEG-GNRs-loaded membrane is a promising material for postsurgical recovery of cancer.
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Key words
PEGylated gold nanorods,electrospun,photothermal therapy,biodegradable membrane,cancer
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