Nanoparticles capable of delivering drugs to specifically targeted cancer cells have been created by a group of researchers from China.The multifunctional 'smart' gold nanoshells could lead to more effective cancer treatments by overcoming a major limitation of modern chemotherapy techniques - the ability to target cancer cells specifically and leave healthy cells untouched.Small peptides situated on the surface of the nanoshells are the key to the improved targeting ability, guiding the nanoshells to specific cancer cells and attaching to markers on the surface of the cells.
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