Sterile filtered white lyophilized (freeze-dried) powder. Lyophilized from a concentrated (1mg/ml) solution containing NaHCO3 at 1:2 salt: protein ratio.
保存建议
Lyophilized Leptin-A Tilapia although stable at room temperature for 3 weeks, should be stored desiccated below -18 degree C. Upon reconstitution Leptin-A Tilapia should be stored at 4 degree C between 2-7 days and for future use below -18 degree C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.