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806986 Sigma-Aldrich

Silver nanospheres

20 nm avg. part. size, 1 mg/mL (aqueous sodium citrate), citrate functionalized

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Properties

Related Categories 47: Ag, Biomedical Materials, Materials Science, Nanomaterials, Nanoparticles: Materials by Application,
concentration   1 mg/mL (aqueous sodium citrate)
avg. part. size   20 nm
absorption   λmax 390 nm
functional group   citrate
storage temp.   2-8°C

Description

Application

Silver nanomaterials have unique physical, chemical and optical properties that are currently being leveraged for a wide variety of biological applications. A resurgence of interest in the utility of silver as a broad based antimicrobial agent has led to the development of hundreds of products that incorporate silver nanoparticles to prevent bacterial growth on surfaces. Additionally, silver nanoparticles have an optical color that is a function of the silver nanoparticle′s size and shape. The strong coupling of silver nanoparticles to specific wavelengths of incident light can be utilized to develop ultrabright reporter molecules, highly efficient thermal absorbers, and nanoscale “antennas” that can amplify the strength of the local electromagnetic field.

Preparation Note

Shake well before use.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport

Documents

Certificate of Analysis (COA)

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