Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

50755

Sigma-Aldrich

Gold solution

colloidal, 0.0065% gold basis (AAS)

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

MDL number:
MFCD00003436
UNSPSC Code:
12352106
PubChem Substance ID:
57651268
NACRES:
NA.26

Quality Level

100

concentration

0.0065% Au (AAS)

technique(s)

electrophoresis: suitable

absorption

1 at 523 nm

storage temp.

2-8°C

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

Other Notes

Widely used protein and polysaccharide marker for electron microscopy; Useful general stain for protein immobilized on nitrocellulose membranes in spot tests or on blots prepared from polyacrylamide gels after electrophoresis

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

R Rohringer et al.
Analytical biochemistry, 144(1), 118-127 (1985-01-01)
Methods to detect "native" proteins immobilized on nitrocellulose membranes in spot tests or on blots prepared from polyacrylamide slab gels after electrophoretic separation are described. Gold sols were found to be useful as general stains for proteins: They are polychromatic
M. Horisberger
Biology of the Cell, 36, 253-253 (1979)
W D Geoghegan et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 25(11), 1187-1200 (1977-11-01)
A method is described for the adsorption of selected macromolecules to colloidal gold which is then used as an electron dense marker for the indirect detection of specific cell surface molecules. Membrane bound concanavalin A, which binds specific sugars on

Articles

Electrophoresis Protein Staining Reagents Selection Guide

To meet the great diversity of protein analysis needs, Sigma offers a wide selection of protein visualization (staining) reagents. EZBlue™ and ProteoSilver™, designed specifically for proteomics, also perform impressively in traditional PAGE formats.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service