CD40 ELISA kit. CD40(mouse) ELISA Kit, Components: CD40 Microplate, 96 wells, Wash Buffer, Standards, Assay Diluents, Detection Antibody CD40, biotinylated anti-mouse CD40, HRP-Streptavidin Concentrate, Substrate Reagent(Item H) 3, 3', 5, 5'-tetramethylbenzidine, Stop Solution, 0.2 M sulfuric acid