Animal-Free Blocker(R) and Diluent, R.T.U. [SP-5035-100-NB] - Prostate tissue sections without and with R.T.U. Animal Free Block and Diluent used in the blocking step. Both sections are no primary antibody controls with biotinylated universal secondary antibody.
Supplier Page from Novus Biologicals, a Bio-Techne Brand for Animal-Free Blocker(R) and Diluent, R.T.U