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MilliporeSigma

N3393

Sigma-Aldrich

Naphthol Blue Black

BioReagent, suitable for electrophoresis

Sinónimos:

Acid Black 1, Amido Black 10B, Buffalo Black NBR

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About This Item

Fórmula empírica (notación de Hill):
C22H14N6Na2O9S2
Número de CAS:
Peso molecular:
616.49
Colour Index Number:
20470
Beilstein/REAXYS Number:
5374263
EC Number:
MDL number:
UNSPSC Code:
41105322
PubChem Substance ID:
NACRES:
NA.32

product line

BioReagent

Quality Level

form

powder

composition

Dye content, ~85%

technique(s)

protein staining: suitable

impurities

≤10% water

suitability

suitable for electrophoresis

SMILES string

[Na+].[Na+].Nc1c(\N=N\c2ccc(cc2)[N+]([O-])=O)c(cc3cc(c(\N=N\c4ccccc4)c(O)c13)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C22H16N6O9S2.2Na/c23-19-18-12(11-17(39(35,36)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(32,33)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31;;/h1-11,29H,23H2,(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b26-25+,27-24+;;

InChI key

AOMZHDJXSYHPKS-DROYEMJCSA-L

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Application

Naphthol Blue Black has been used for the staining of western blot membrane for detection of all protein that are transferred to the membrane.

Biochem/physiol Actions

Naphthol blue black dye can be used to stain proteins on polyacrylamide gels, agarose gels and nitrocellulose membranes. After electrophoresis, fixing the proteins in the gel is recommended. The gel can then be stained with 0.1% Naphthol Blue Black in 7% (v/v) acetic acid for at least 2 hr and destained with a soluion of 7% (v/v) acetic acid. Detection sensitivity is approx. 20% that of Coomassie Blue R.

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Skin Sens. 1B

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Disc electrophoresis of proteins in the presence of sodium dodecyl sulphate.
E De Vito et al.
Experientia, 22(2), 124-125 (1966-02-15)
PopF1 and PopF2, two proteins secreted by the type III protein secretion system of Ralstonia solanacearum, are translocators belonging to the HrpF/NopX family.
Meyer D, et al.
Journal of Bacteriology, 188, 4903-4917 (2006)
Teresa M Lamb et al.
G3 (Bethesda, Md.), 3(12), 2273-2280 (2013-10-22)
Precise control of gene expression is a powerful method to elucidate biological function, and protein overexpression is an important tool for industry and biochemistry. Expression of the Neurospora crassa tcu-1 gene (NCU00830), encoding a high-affinity copper transporter, is tightly controlled
Staining of proteins on gels: comparisons of dyes and procedures.
C M Wilson
Methods in enzymology, 91, 236-247 (1983-01-01)
H Towbin et al.
Proceedings of the National Academy of Sciences of the United States of America, 76(9), 4350-4354 (1979-09-01)
A method has been devised for the electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets. The method results in quantitative transfer of ribosomal proteins from gels containing urea. For sodium dodecyl sulfate gels, the original band pattern was

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