| Description | Enzyme immunoassay (ELISA) for the direct quantitative determination of Total Estrogens in human serum. 510(k) exempt - for in vitro diagnostic use only. | Enzyme immunoassay (ELISA) test kit for the determination of free antibodies directed against the drug Etanercept (Enbrel®) in serum and 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. | Solid phase competitive enzyme immunoassay (ELISA) for the determination of total T4 (Thyroxine) in human serum or plasma. For research use only, not for use in diagnostic procedures. | Enzyme-linked immunosorbent assay (ELISA) for the determination of IgG-class antibodies to Treponema pallidum in serum. For research use only, not for use in diagnostic procedures. |
| Method | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) | Enzyme-Linked Immunosorbent Assay (ELISA) |
| Assay Time | 30 min. incubation (RT) + 2 hours (RT) + 30 minute (RT) = 3 hours total incubation time. | 2 hours, 15 min. total incubation time. | 2 hours total incubation time. | 1 hr 15 mins (incubation) | 1 hr 45 mins (incubation) |