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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

3,3',5,5' - Tetramethylbenzidine as an Ames test negative chromogen for horse-radish peroxidase in enzyme-immunoassay.

The use of 3,3',5,5' - tetramethylbenzidine as non-mutagenic chromogen for the end point determination in enzyme-immunoassay (EIA) is described. In sandwich EIAs for HCG and HBsAg and in a competitive EIA for testosterone, the colour yield with TMB was superior to that obtained with o-phenylene diamine (OPD), which was by far the best chromogen for horse-radish peroxidase until now. This led to an improvement of sensitivity and precision of the assays and makes EIA even more competitive with other types of immunoassays.[1]

References

  1. 3,3',5,5' - Tetramethylbenzidine as an Ames test negative chromogen for horse-radish peroxidase in enzyme-immunoassay. Bos, E.S., van der Doelen, A.A., van Rooy, N., Schuurs, A.H. Journal of immunoassay. (1981) [Pubmed]
 
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