VEGF Receptor 1 (Flt1, VEGFR1, Vascular Endothelial Growth Factor Receptor 1) (BSA & Azide Free)

May be stored at 4 degree C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Freeze at -20 degree C or colder. Aliquots are stable for at least 12 months at -20 degree C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.