| Description | Radioimmunoassay (RIA) for the determination of Free Testosterone in human serum. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of human Endothelial Lipase (EL) in serum, EDTA-plasma and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Enzyme Immunoassay (ELISA) for the determination of L-Glutamate in urine and various biological samples. For research use only, not for use in diagnostic procedures. | Solid phase enzyme immunoassay (ELISA) for the determination of PSA in human serum. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of Vasoactive Intestinal Polypeptide (VIP) in human plasma. For research use only, not for use in diagnostic procedures. |