E2 (Estradiol) ELISA Kit for detecting E2 in serum, plasma, cell culture supernatant, cell or tissue lysate, other biological fluids. Species Reactivity: Universal. Detection Range: 12.5-800pg/ml. Sensitivity: 7.5pg/ml. Format: 96-Well Plate. Assay Type: Competitive ELISA, Coated with Antigen. Assay Time: 3h, 30 min. Target Synonyms: E2, Estradiol. Restrictions: For Research Use Only. Not for use in diagnostic procedures.