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926957

Sigma-Aldrich

Gold coated silica nanoparticles

1 wt. % in water, 400 nm (non-porous silica), 20 nm (gold nanoparticles)

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About This Item

Linear Formula:
SiO2@AuNP
CAS Number:
7631-86-9
UNSPSC Code:
12352309
NACRES:
NA.22

Quality Level

100

concentration

1 wt. % in water

particle size

20 nm (gold nanoparticles)
400 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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

926957-BULK:
926957-VAR:
926957-2ML:

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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

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