G1402
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:
Molecular Weight:
196.97
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
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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.
Suitability
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
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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
Catalysis: Gold unleashes the power of three.
Christopher M B K Kourra et al.
Nature, 517(7535), 440-441 (2015-01-23)
Yuying Zhang et al.
Journal of visualized experiments : JoVE, (95)(95), e52058-e52058 (2015-01-16)
Fluorescent nanoparticles (NPs) with desirable chemical, optical and mechanical properties are promising tools to label intracellular organelles. Here, we introduce a method using gold-BSA-rhodamine NPs to label the endo-lysosomal system of eukaryotic cells and monitor manipulations of host cellular pathways
Huang Gao et al.
Science (New York, N.Y.), 346(6215), 1352-1356 (2014-12-17)
We report a low-cost, high-throughput benchtop method that enables thin layers of metal to be shaped with nanoscale precision by generating ultrahigh-strain-rate deformations. Laser shock imprinting can create three-dimensional crystalline metallic structures as small as 10 nanometers with ultrasmooth surfaces
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