PRODUCT
APPLICATION
Application Note
*Optimal dilutions/concentrations should be determined by the researcher.
Application |
Recommended Dilution |
Assay dependent |
Not tested in other applications.
PROPERTIES
Storage
Store at 2-8ºC.
Note
For laboratory research use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.
Purchasers shall not, and agree not to enable third parties to, analyze, copy, reverse engineer or otherwise attempt to determine the structure or sequence of the product.
TARGET
Background
3,3'5,5’- tetramethylbenzidine (TMB) is a soluble chromogen substrate for horseradish peroxidase detection systems for ELISA. This is ready to use one component system and gives soluble blue color with peroxidase which absorbs at 653 nm; on acidification gives stable yellow color that absorbs at 450 nm. The extinction coefficient of blue color ( E653 nm = 3.9 x 104 mol-1 cm-1 ), and the yellow color is ( E450 nm = 5.9 x 104 mol-1 cm-1 ). TMB yields stable blue color as end product ., that can be measured at 650 nm; the color formation is function of time The reaction is stopped by adding acid solution it yields a yellow color that can be measured at 450 nm. This yellow color is 1.5 X more sensitive than blue color. This TMB solution contains TMB, 2.08 mMol L-1, Hydrogen Peroxide substrate, citrate buffer and non-toxic proprietary stabilizers.
REFERENCE
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REVIEW
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