DAB MEMBRANE SUBSTRATE
DAB (3,3'-Diaminobenzidine) is a chemical compound that is usually used as the water-soluble tetrahydrochloride in permanent immunohistochemical staining of nucleic acids and proteins. It is oxidized by hydrogen peroxide (HRP) to yield an insoluble dark brown/black color end product.  DAB Membrane Substrate is a two component liquid formulation for the rapid and simple detection of peroxidase in membrane applications.  BioFX DAB Membrane Substrate offers increased stability and greatly improved sensitivity.