Endothelin 1 (PE)

Store product at 4 degree C in the dark. DO NOT FREEZE! Stable at 4 degree C for 12 months after receipt as an undiluted liquid. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer. Caution: PE conjugates are sensitive to light. For maximum recovery of product, centrifuge the original vial prior to removing the cap.

Crossreactivities determined by competitive RIA: Concentrations (pg/tube) to give 50% B/Bo: Endothelin-1 (human) 1x10e1, Endothelin-2 (human) 4x10e0, Endothelin-3 (human) 1x10e3, Big Endothelin (human) 4x10e0, Endothelin C-terminal hexapeptide <10e5, Atrial natriuretic peptide (human) <10e5, Sarafotoxin S6c 2x10e4