| Description | Radioimmunoassay (RIA) for the determination of human free thyroxine (T4) in serum or EDTA plasma. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Androstenedione in serum and plasma. FDA exempt, can be used for in-vitro diagnostics. | Enzyme immunoassay (ELISA) test kit for the determination of free antibodies directed against the drug Infliximab (Remicade®, Remsima®, and Inflectra®) in serum and plasma. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination Human a-Synuclein in serum, EDTA plasma, CSF and cell culture supernatant. For research use only, not for use in diagnostic procedures. | 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. |