a2-Macroglobulin (Biotin)

May be stored at 4 °C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 °C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Recognizes human a2-Macroglobulin. Assay by immunoelectrophoresis resulted in a single precipitin arc against anti-Biotin, anti-Rabbit Serum as well as puri ed and partially puri ed a2-Macroglobulin [Human Plasma].