| Description | Enzyme immunoassay for determination of Human BDNF concentrations in serum, plasma, cell culture supernatant and other biological samples. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Complement C3a des Arg in human plasma. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination human FGF21 in serum, EDTA plasma and cell culture supernatant. For research use only, not for use in diagnostic procedures. | Solid phase sandwich ELISA for the determination of OPN N-Half in EDTA plasma, urine, synovial fluid or cell culture media. For research use only, not for use in diagnostic procedures. | Radioimmunoassay (RIA) for the determination of human Testosterone in serum. For research use only, not for use in diagnostic procedures. |