Supplied as a liquid in 0.5M acetic acid. No preservative added. No stabilizing proteins added.
保存建议
May be stored at 4 degree C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and freeze at -20 degree C or colder. Aliquots are stable for at least 6 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.