| Description | Enzyme immunoassay (ELISA) for the determination of f-PSA in human serum. For research use only, not for use in diagnostic procedures. | Enzyme-linked immunosorbent assay (ELISA) for the determination of Chromogranin A in human plasma or serum. 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 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 determination of free 25 (OH) Vitamin D 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 | 1 hr 15 mins (incubation) | 1 hr 45 mins (incubation) | 2 hours total incubation time. | 2 hrs (incubation) | 2 hrs, 35 mins (incubation) |