Cortisol (FITC)

Store product at 4 degree C if to be used immediately within two weeks. For long-term storage, aliquot to avoid repeated freezing and thawing and store at -20 degree C. Aliquots are stable at -20 degree C for 12 months after receipt. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer. Caution: FITC conjugates are sensitive to light. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Recognizes Cortisol-BSA conjugate and free cortisol. Does not crossreact with BSA. Crossreactivity (50% displacement of cortisol-3-125-Iodine): Cortisol: 100%; Corticosterone: 49%; 17-Hydroxyprogesterone: 0%.