| Description | Enzyme immunoassay (ELISA) for the determination of human IgA antibodies directed against Coxsackie viruses in serum or plasma (EDTA, citrate, heparin). For research use only, not for use in diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Estrone in saliva. For research use only, not for use in diagnostic procedures. | Enzyme Immunoassay (ELISA) for the determination of Gamma-aminobutyric acid (GABA) in human plasma, serum, and urine. For research use only, not for use in diagnostic procedures. | Solid phase sandwich enzyme immunoassay (ELISA) for the determination of TSH in human serum. For research use only, not for diagnostic procedures. | Enzyme immunoassay (ELISA) for the determination of Tryptophan in urine, serum, and plasma. For research use only, not for use in diagnostic procedures._x000D_ |
| 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) |