Nanoshell

 

A nanoparticle composed of a metallic shell surrounding a semiconductor. When nanoshells reach a target cancer cell, they can be irradiated with near-infrared light or excited with a magnetic field, either of which will cause the nanoshell to become hot, killing the cancer cell.

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Hollow nanoparticle.

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Metallic nanoparticles consisting of a metallic shell surrounding a dielectric core. Recently nanoshells have also been prepared that consist of a metallic core surrounded by a metallic shell consisting of a different metal.

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A nanoparticle that has a metallic shell surrounding a semiconductor. Nanoshells are being investigated for use in treating cancer.

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Nanoscale metal spheres, which can absorb or scatter light at virtually any wavelength. "The nanoshells act as an amazingly versatile optical component on the nanometer scale: they may provide a whole new approach to optical materials and components," Professor Naomi Halas. See Metal Nanoshells in Bioengineering and Nanoshells May Be Key To Next Wave Of Light-Based Technology and Physics of Nanoshells.

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Nanoscale metal spheres that can absorb or scatter light at virtually any wavelength.

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Gold coated silica spheres which, when injected into the blood-stream attach themselves to cancer cells.

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Nanoscale metal spheres that can absorb or scatter light at virtually any wavelength.

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