title: A new sensitive colorimetric assay for peroxidase using 3,3'-diaminobenzidine as hydrogen donor.
mesh_terms: D001386:Azides / Q000494:pharmacology; D001713:Biphenyl Compounds; D003486:Cyanides / Q000494:pharmacology; D005069:Evaluation Studies as Topic; D005780:Gelatin; D006139:Guaiacol; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008722:Methods; D010544:Peroxidases / Q000032:analysis* / Q000037:antagonists & inhibitors; D010655:Phenylenediamines; D010659:Phenylhydrazines / Q000494:pharmacology; D010944:Plants / Q000201:enzymology; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet
chemical_list: D001386:Azides; D001713:Biphenyl Compounds; D003486:Cyanides; D010655:Phenylenediamines; D010659:Phenylhydrazines; D006139:Guaiacol; D005780:Gelatin; D010544:Peroxidases