Lyophilized from a 0.2um filtered concentrated (1mg/ml) solution in 20mM PB, pH 7.4, with 0.02% TWEEN 20. Physical Appearance: Sterile Filtered White lyophilized (freeze-dried) powder.
保存建议
This lyophilized preparation is stable at 2-8 degree C, but should be kept at -20 degree C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 degree C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degree C to -70 degree C. Avoid repeated freeze/thaw cycles.