| Description | Enzyme linked immunosorbent assay (ELISA) for the determination of human IgG 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 Aß(1-42) in cerebrospinal fluid, cell culture media or the extract from brain tissue. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human total sAPP in serum, EDTA plasma, cerebrospinal fluid and cell culture supernatant as a total amount. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of Vasoactive Intestinal Polypeptide (VIP) in human plasma. For research use only, not for use in diagnostic procedures. |