Caution 如果需要无菌溶液,则应采用无菌过滤而非高压灭菌。时间一长,亚精胺将发生脱氨基作用;溶液应采用冷冻保存。通常需要配制新溶液。 Biochem/physiol Actions Inhibits neuronal nitric oxide synthase (nNOS). Binds and precipitates DNA; may be used for purification of DNA binding proteins. Stimulates T4 polynucleotide kinase activity.