Human Interleukin 21 (IL21) ELISA Kit for detecting IL21 in serum, plasma, tissue homogenates, cell lysates, cell culture supernates, other biological fluids. Species Reactivity: Human (Homo sapiens). Detection Range: 15.6-1,000pg/ml. Sensitivity: 6.5pg/ml. Format: 96-Well Plate. Assay Type: Double-antibody Sandwich. Detection Method: Colormetric. Assay Time: 3h. Accession Number: Q9HBE4. Gene ID: 59067. Target Synonyms: Za11. Restrictions: For Research Use Only. Not for use in diagnostic procedures.