Human Cluster Of Differentiation 19 (CD19) ELISA Kit for detecting CD19 in tissue homogenates, cell lysates, other biological fluids. Species Reactivity: Human (Homo sapiens). Detection Range: 0.312-20ng/ml. Sensitivity: 0.118ng/ml. Format: 96-Well Plate. Assay Type: Double-antibody Sandwich. Detection Method: Colormetric. Assay Time: 3h. Accession Number: P15391. Gene ID: 930. Target Synonyms: B4, B-lymphocyte surface antigen B4, T-cell surface antigen Leu-12. Restrictions: For Research Use Only. Not for use in diagnostic procedures.