| 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_ | Enzyme linked immunosorbent assay (ELISA) for the determination of IgM antibody to Cytomegalovirus (CMV) in human serum. 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 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) |