3,3’Diaminobenzidine (DAB) is a widely used chromogen for immunohistochemistry that when in the presence of a peroxidase enzyme produces a brown precipitate that is insoluble in alcohol.
A Brown (DAB) Chromogen Kit is a next-generation DAB that is more sensitive and produces a darker brown stain compared to conventional DAB. The kit consists to two components and is designed for both manual and automated protocols. When prepared, the working solution is stable for up to 6 hours at room temperature.