• The chromogen used was diaminobenzidine tetrahydrochloride substrate (DAB kit, MaiXin, China). (biomedcentral.com)
  • Diaminobenzidine is oxidized by hydrogen peroxide in the presence of hemoglobin to give a dark-brown color. (wikipedia.org)
  • 3,3′-Diaminobenzidine (DAB) is an organic compound with the formula (C6H3(NH2)2)2. (wikipedia.org)