| Description | Solid phase sandwich enzyme-linked immunosorbent assay (ELISA) for the determination of DPP4 / CD26 in human serum, EDTA-plasma, urine, and CSF. For research use only, not for use in diagnostic procedures. | Radioimmunoassay for the determination of Aldosterone in human serum and urine. For research use only, not for use in diagnostic procedures. | The Human TPMT (Thiopurine S-methyltransferase) ELISA has been designed for the detection of TPMT in serum, plasma, tissue homogenates and other biological fluids. For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the direct quantitative determination of Pregnenolone in human serum. FDA exempt, for in vitro diagnostic use only. | Solid phase enzyme immunoassay (ELISA) for the determination of PSA in human serum. For research use only, not for use in diagnostic procedures. |