TMB dihydrochloride (3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate, TMB-d, BM blue, Sure Blue TMB) is an excellent colorimetric substrate for detection of horseradish peroxidase (HRP) labeled probes and is used in staining procedures in immunohistochemistry and in enzyme-linked immunosorbent assays (ELISA).
[1] Liem HH, et al. Anal Biochem. 1979 Oct 1;98(2):388-93.
















