| Description | Solid phase sandwich ELISA for the determination of human Aß (1-x) in EDTA-plasma, cerebrospinal fluids, serum, cell culture media or the extract from brain tissue. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Complement C3a des Arg in human plasma. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Complement C4a des Arg in human plasma. For research use only, not for use in diagnostic procedures. | Enzyme linked immunosorbent assay (ELISA) for the determination of human IgA antibodies in serum or plasma directed against Helicobacter pylori. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human Osteopontin (Human OPN) in plasma (EDTA), urine, or cell culture media. For research use only, not for use in diagnostic procedures. |