| Description | Radioimmunoassay (RIA) for the determination of human IGFBP-3 in serum, plasma, or other human biological fluids (e.g. follicular fluid, seminal plasma). For research use only, not for use in diagnostic procedures. | Enzyme linked immunosorbent assay (ELISA) for the determination of antibodies directed against human spermatozoa in serum. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay for the determination of IgG-class antibodies to Epstein-Barr virus nuclear antigen type 1 (EBV-EBNA-1) in human serum or plasma. For research use only - not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of OPN N-Half in EDTA plasma, urine, synovial fluid or cell culture media. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the quantitative determination of Intact-PTH (Parathyroid Hormone) in human serum. This assay is intended for in vitro diagnostic use. |