Cortisol (HRP)

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. Note: Sodium azide is a potent inhibitor of peroxidase and should not be added to HRP conjugates. 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. Contaminants (50% displacement of cortisol-3-125-Iodine): Corticosterone: 20%; 17-Hydroxyprogesterone: 0%