title: A modification of the tetramethylbenzidine method for the histochemical demonstration of horseradish peroxidase (HRP) under the light microscope.
mesh_terms: D000818:Animals; D001560:Benzidines; D004121:Dimethyl Sulfoxide; D006735:Horseradish Peroxidase / Q000032:analysis*; D006801:Humans; D009474:Neurons / Q000648:ultrastructure; D010544:Peroxidases / Q000032:analysis*; D012997:Solvents; D013194:Staining and Labeling / Q000379:methods*
chemical_list: D001560:Benzidines; D012997:Solvents; C021758:3,3',5,5'-tetramethylbenzidine; D006735:Horseradish Peroxidase; D010544:Peroxidases; D004121:Dimethyl Sulfoxide