期刊
CURRENT PHARMACEUTICAL DESIGN
卷 25, 期 13, 页码 1477-1489出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1381612825666190618155127
关键词
Gold shell; NIR; bio-distribution; bio-conjugations; drug delivery; photothermal ablation
The current strategies to treat different kinds of cancer are mainly based on chemotherapy, surgery and radiation therapy. Unfortunately, these approaches are not specific and rather invasive as well. In this scenario, metal nano-shells, in particular gold-based nanoshells, offer interesting perspectives in the effort to counteract tumor cells, due to their unique ability to tune Surface Plasmon Resonance in different tight-absorbing ranges. In particular, the Visible and Near Infrared Regions of the electromagnetic vectrum are able to penetrate through tissues. In this way, the light absorbed by the gold nanoshell at a specific wavelength is converted into heat, inducing photothermal ablation in treated cancer cells. Furthermore, inert gold shells can be easily functionalized with different types of molecules in order to bind cellular targets in a selective manner. This review summarizes the current state-of-art of nanosystems embodying gold shells, regarding methods of synthesis, bio-conjugations, bio-distribution, imaging and photothermal effects (in vitro and in vivo), providing new insights for the development of multifunctional antitumor drugs.
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