建议收到试剂盒后,按照如下条件进行保存:Upon receipt, store the L-Leucine Standard, WST-1 Reagent, and Leucine Dehydrogenase at -20 degree C. The WST-1 reagent is light sensitive and must be stored accordingly. Avoid multiple freeze/thaw cycles. Store the NAD+ at -80 degree C. Store the 5X Assay Buffer at 4 degree C.