| Description | Solid phase sandwich enzyme-linked immunosorbent assay (ELISA) for the determination of Endothelin-1 in serum, EDTA-plasma, tissue extracted, and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human soluble a-Klotho in serum and EDTA-plasma. For research use only, not for use in diagnostic procedures. | Sandwich enzyme-linked immune-sorbent assay (ELISA) for the determination of human Amyloid ß (1-43) in cerebrospinal fluid, brain extract of Tg mouse and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of glucagon in human plasma. FDA exempt, can be used for in-vitro diagnostics. | Enzyme immunoassay (ELISA) for the determination of Tryptophan in urine, serum, and plasma. For research use only, not for use in diagnostic procedures._x000D_ |