| Description | 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. | 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. | Solid phase, non-competitive immunoassay (ELISA) for the determination of soluble cytokeratin 19 fragments in human serum. 510(k) cleared, can be used in diagnostic procedures. | Enzyme immunoassay for the determination of IgM-class antibodies to Epstein-Barr virus nuclear-1 antigen (EBV-EBNA-1) in human serum or plasma. 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. |
| 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 | 3 hours, 20 min. total incubation time. | 2 hours total incubation time. | 1 hr 45 mins (incubation) | 1 hr 45 mins (incubation) | 2 hrs (incubation) |