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T4319

Sigma-Aldrich

3,3′,5,5′-Tetramethylbenzidine Liquid Substrate, Slow Kinetic Form, for ELISA

peroxidase substrate

Synonym(s):

TMB

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About This Item

UNSPSC Code:
12352204
NACRES:
NA.83

Quality Level

300

form

liquid

shipped in

wet ice

storage temp.

2-8°C

Related Categories

Application

3,3′,5,5′-Tetramethylbenzidine Liquid Substrate, Slow Kinetic Form, for ELISA has been used as a substrate for anti-bovine IgG-peroxidase conjugated antibody and for horse radish peroxidase-conjugated mouse anti-mouse IgG in Poly (ADP-ribose) binding assays.
Contains TMB in a mildly acidic buffer. The substrate is supplied as a one component ready to use solution. Rate kinetics are approx. 25% slower than traditional TMB formulations. Not recommended for membrane or immunohistochemical applications that require a precipitating reaction product.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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.

EU REACH Annex XVII (Restriction List)

CAS No.

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’.

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Efficient single-strand break repair requires binding to both poly (ADP-Ribose) and DNA by the central BRCT domain of XRCC1
Polo LM, et al.
Testing, 26(3), 573-581 (2019)
Protection of cattle against a natural infection of Fasciola hepatica by vaccination with recombinant cathepsin L1 (rFhCL1)
Golden O, et al.
Vaccine, 28(34), 5551-5557 (2010)
Luis M Polo et al.
Cell reports, 26(3), 573-581 (2019-01-17)
XRCC1 accelerates repair of DNA single-strand breaks by acting as a scaffold protein for the recruitment of Polβ, LigIIIα, and end-processing factors, such as PNKP and APTX. XRCC1 itself is recruited to DNA damage through interaction of its central BRCT

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Colorimetric Alkaline Phosphatase and Peroxidase Substrate Detection Systems

Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.

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