| Description | Radioimmunoassay (RIA) for the determination of 25-hydroxyvitamin D3 and D2 (25-OH-D3 and 25-OH-D2) in serum. 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. | Enzyme immunoassay (ELISA) for the determination of active free cortisol in saliva. 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. | Enzyme immunoassay (ELISA) for the direct quantitative determination of Pregnenolone in human serum. FDA exempt, for in vitro diagnostic use only. |
| Sample Type | Serum, Blood Plasma, Urine, CSF | Serum, Urine | Serum, plasma, tissue homogenates, and other biological fluids. | CSF | Blood Plasma, Urine |