HRP Colorimetric Substrate

TMB (3,3', 5, 5' - tetramethylbenzidine) Substrate develops a deep blue color in the presence of horseradish peroxidase (HRP)- labeled conjugates measurable at 650 nm and turns yellow when stopped by acidification and read at 450 nm.Optimized for Use With:SARS-CoV-1 Spike Trimer (S1+S2):ACE2 Inhibitor Screening Colorimetric Assay Kit (BPS Bioscience, #78012)</br>Spike S1 (SARS-CoV-2): ACE2 Inhibitor Screening Colorimetric Assay Kit (BPS Bioscience, #79954)</br>SARS-CoV-2 IgG Detection Kit (Colorimetric Trimer Anti-Spike IgG detection) (BPS Bioscience, #79975)</br>SARS-CoV-2 Spike Trimer (S1+S2):ACE2 Inhibitor Screening Colorimetric Assay Kit (BPS Bioscience, #79999)