保存方法:Stored at-20℃ in 50% glycerol. The unopened product is stable for one year when stored as indicated. After use, the resin should be cleaned and stored in 50% glycerol with10mM sodium phosphate, 150mM sodium chloride, pH 7.4,containing 0.02% sodium azide to protect the product. Do not freeze in the absence of glycerol.