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926949

Sigma-Aldrich

Gold coated silica nanoparticles

1 wt. % in water, 200 nm (non-porous silica), 20 nm (gold nanoparticles)

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About This Item

Linear Formula:
SiO2@AuNP
CAS Number:
UNSPSC Code:
12352309
NACRES:
NA.22

Quality Level

concentration

1 wt. % in water

particle size

20 nm (gold nanoparticles)
200 nm (non-porous silica)

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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General description

Gold coated silica nanoparticles, are composed of a spherical silica core coated with gold nanoparticles on the surface. These materials have unique chemical and optical properties make them suitable and attractive for applications in, medicine, batteries, catalysis, sensors and spectroscopy. Gold coated silica nanoparticles have material a large surface area, non-porous silica, excellent charge transport, and biocompatibility.

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg


Certificates of Analysis (COA)

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Elnaz Bagheri et al.
Biosensors & bioelectronics, 153, 112054-112054 (2020-02-15)
Hybrid silica-gold based sensors show attractive performance in sensing technologies. Due to their interesting optical properties and biological compatibility, gold nanoparticles (AuNPs) have been extensively implemented in sensing technology. Hybridization of AuNPs with silica NPs as a material with unique
Narges Elahi et al.
Talanta, 184, 537-556 (2018-04-21)
Recent advances in nanotechnology are as a result of the development of engineered nanoparticles. Efficiently, metallic nanoparticles have been widely exploited for biomedical application and among them, gold nanoparticles (AuNPs) are highly remarkable. Consequent upon their significant nature, spherical and
A novel method for the synthesis of monodisperse gold-coated silica nanoparticles.
English M D, et al.
Journal of Nanoparticle Research, 14, 650-650 (2012)

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