Nanoshell
Nanoshell is one type of spherical nanoparticle. It consists of a dielectric core covered with thin metallic shell (usually gold). Nanoshells possess highly favorable optical and chemical properties. It is used for biomedical imaging, therapeutic applications, surface enhanced Raman spectroscopy and surface enhanced infrared absorption spectroscopy.
Gold nanoshells are shuttled into tumors by the use of phagocytosis. These phagocytes engulf the nanoshells through the cell membrane.These nanoshells are not metabolized and they just need to be within the tumor cells.
Photoinduced cell death is used to terminate the tumor cells.They are designed to define the molecular specific signatures of cancer, to improve the detection limits and clinical effectiveness of optical imaging.
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