| Description | Radioimmunoassay (RIA) for the determination of Vasoactive Intestinal Polypeptide (VIP) in human 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. | The Complement C4d assay is an enzyme-linked immunosorbent assay (ELISA) for the semiquantitative determination of C4d in human plasma. For research use only, not for use in diagnostic procedures. | Competitive enzyme immunoassay for the quantitative measurement of Estradiol in serum or plasma (EDTA, lithium heparin, or citrate plasma). 510(k) Exempt, can be used for in-vitro diagnostics. | Enzyme immunoassay (ELISA) for the determination of f-PSA in human serum. For research use only, not for use in diagnostic procedures. |
| Assay Time | 48 hrs 45 mins (incubation) | Overnight + 1 hr 30 min. (incubation) | 2 hours total incubation time. | 2 hours total incubation time. | 1 hr 15 mins (incubation) |