| Description | Enzyme immunoassay (ELISA) for the determination of Tryptophan in urine, serum, and plasma. For research use only, not for use in diagnostic procedures._x000D_ | Radioimmunoassay (RIA) for the determination of angiotensin II in plasma (EDTA). For research use only, not for use in diagnostic procedures. | The human Immunoglobulin A (IgA) ELISA has been designed for the detection of human IgA in serum, plasma, tissue homogenates and other biological fluids. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination a-melanocyte stimulating hormone (a-MSH) in human plasma or cerebrospinal fluid. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of OPN N-Half in EDTA plasma, urine, synovial fluid or cell culture media. For research use only, not for use in diagnostic procedures. |
| Assay Time | Overnight + 3 hrs 25 mins (incubation) | 18 hrs 15 mins (incubation) | 3 hours, 20 min. total incubation time. | 40 to 48 hrs 45 mins (incubation) | 2 hrs (incubation) |