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796018

Sigma-Aldrich

Silver nanospheres

100 nm avg. part. size

Synonym(s):

Silver nanospheres

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About This Item

Empirical Formula (Hill Notation):
Ag
Molecular Weight:
107.87
UNSPSC Code:
12352300
NACRES:
NA.23

form

dispersion
nanospheres

concentration

0.02 mg/mL in water

avg. part. size

100 nm

λmax

480 nm

functional group

PVP

storage temp.

2-8°C

Application

  • Silver nanomaterials have unique physical, chemical and optical properties that are currently being leveraged for a wide variety of biological applications[1][2][3][4][5][6][7][8][9].
  • 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[1][2][3][4].
  • 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[5][6][7], highly efficient thermal absorbers, and nanoscale “antennas” that can amplify the strength of the local electromagnetic field[8].
Silver nanomaterials have unique physical, chemical and optical properties that are currently being leveraged for a wide variety of biological applications. 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.

pictograms

Environment

hcodes

Hazard Classifications

Aquatic Chronic 2

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Surface roughness and the enhanced intensity of Raman scattering by molecules adsorbed on metals
Moskovits M, et al.
The Journal of Physical Chemistry, 69, 4159-4159 (1978)
A review of the antibacterial effects of silver nanomaterials and potential implications for human health and the environment.
Jones C, et al.
Journal of Nanoparticle Research, 12(5), 1531-1551 (2010)
Characterization of the size, shape, and state of dispersion of nanoparticles for toxicological studies
Powers KW, et al.
Nanotoxicology, 1(1), 42-51 (2007)
C Carlson et al.
The journal of physical chemistry. B, 112(43), 13608-13619 (2008-10-04)
The rapid advancement of nanotechnology has created a vast array of engineered nanomaterials (ENMs) which have unique physical (size, shape, crystallinity, surface charge) and chemical (surface coating, elemental composition and solubility) attributes. These physicochemical properties of ENMs can produce chemical
Single Molecule Detection Using Surface-Enhanced Raman Scattering (SERS)
Kneipp K, et al.
Physical Review Letters, 78, 1667-1667 (1997)

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