title: Heavy metal intensification of DAB-based HRP reaction product.
mesh_terms: D015100:3,3'-Diaminobenzidine; D000645:Ammonium Sulfate; D001560:Benzidines; D006651:Histocytochemistry; D006735:Horseradish Peroxidase / Q000032:analysis*; D009532:Nickel; D010544:Peroxidases / Q000032:analysis*
chemical_list: D001560:Benzidines; D015100:3,3'-Diaminobenzidine; C031029:ammonium nickel sulfate; D009532:Nickel; D006735:Horseradish Peroxidase; D010544:Peroxidases; D000645:Ammonium Sulfate