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Merck
CN

G1402

Sigma-Aldrich

Gold colloid

~0.01% HAuCl4, ~1 A520 units/mL, 3.0-5.5 nm mean particle size (monodisperse), 5 nm particle size

Synonym(s):

Colloidal gold

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About This Item

Empirical Formula (Hill Notation):
Au
CAS Number:
7440-57-5
Molecular Weight:
196.97
MDL number:
MFCD00003436
UNSPSC Code:
12352302
PubChem Substance ID:
57654200

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description

<0.01% tannic acid
<0.04% sodium citrate

form

dispersion
nanoparticles

contains

0.02% sodium azide as preservative

concentration

~0.01% HAuCl4
~1 A520 units/mL

mean particle size

3.0-5.5 nm (monodisperse)

particle size

5 nm

storage temp.

2-8°C

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

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Application

See "Immunocytochemical Methods and Protocols" Lorette C. Javois, chapter 8 (Sigma product I5653) for microscopy related applications.
Suitable for adsorption of biomolecules for labeled probe synthesis.

Physical form

Colloidal suspension

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SLBB0984V
SLBB2962V
061M6031
021M0438
119K6180

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J W Slot et al.
European journal of cell biology, 38(1), 87-93 (1985-07-01)
A new method is described for preparing colloidal gold particles in any size between approximately 3 and 17 nm for electron microscopy. The gold particles are homogeneous in size (homodisperse). When bound to various proteins (e.g. IgG and protein A)
Noor Artika Hassan et al.
Journal of environmental health, 77(6), 42-48 (2015-01-27)
Cyanidation in gold extraction has detrimental impacts on the ecosystem and the population in surrounding areas. The research described in this article aimed to assess the health effects of environmental exposure to cyanide in a community near a gold mining
Christine Tarapacki et al.
Ultrasonics, 57, 36-43 (2014-12-03)
Gold nanorod (AuNR) laser therapy (LT) is a non-invasive method of increasing the temperature of a target tissue using near infrared light. In this study, the effects of ultrasound and microbubbles (USMB) with AuNR and LT were investigated on cell
A S Sobrino-Figueroa et al.
Environmental monitoring and assessment, 187(1), 4158-4158 (2014-12-20)
The mining district of El Triunfo (ET-MD) has an estimated 800,000 t of mine wastes scattered in the environment, contaminating the sediment with potentially toxic elements such as As, Cd, Pb, and Zn. In order to estimate the toxicity of
Christopher J Russo et al.
Science (New York, N.Y.), 346(6215), 1377-1380 (2014-12-17)
Despite recent advances, the structures of many proteins cannot be determined by electron cryomicroscopy because the individual proteins move during irradiation. This blurs the images so that they cannot be aligned with each other to calculate a three-dimensional density. Much
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Data Sheet - G1402

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