In this work, we have been prepared gold nanorods coated with polymer as drug reservoirs. We found that when the drug carriers were exposed to femto-second NIR, the multilayer structure was expanded and paclitaxel was released. After the drug carriers were added to MCF-7 cells, MTT assay shows that the drug carriers combined with NIR irradiation allow the induction of paclitaxel in MCF-7 cells and inhibit the cell growth. We think the gold nanocomposites as nanocarriers have potentiality in drug delivery.
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