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Silver nanoparticle
Silver nanoparticles are nanoparticles of silver of between 1 nm and 100 nm in size. While frequently described as being 'silver' some are composed of a large percentage of silver oxide due to their large ratio of surface-to-bulk silver atoms. Numerous shapes of nanoparticles can be constructed depending on the application at hand. Commonly used are spherical silver nanoparticles but diamond, octagonal and thin sheets are also popular.〔
Silver nanoparticles may eventually offer treatment of various diseases. Their extremely large surface area permits the coordination of a vast number of ligands. The properties of silver nanoparticles applicable to human treatments are under investigation in laboratory and animal studies, assessing potential efficacy, toxicity, and costs.
==Synthesis==
Silver nanoparticles can be synthesized by several methods. They can be divided into three broad categories: ion implantation, wet chemistry, or physical vapor deposition.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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