我们利用肝素酶II/III对硫酸乙酰肝素进行部分降解,并通过凝胶过滤HPLC进行分离,制备了具有不同聚合度的硫酸乙酰肝素寡糖及低分子组分。同时,我们还可以根据客户需求,利用各种特有的结构选择性降解酶和修饰酶,为客户定制具有特殊结构要求的硫酸乙酰肝素寡糖及低分子。;We used heparanase II/III to partially degrade heparan sulfate, and separated it by gel filtration HPLC to prepare heparan sulfate oligosaccharides and low molecular components with different polymerization degrees. At the same time, we can also customize heparan sulfate oligosaccharides and low molecular weight compounds with special structural requirements for customers by utilizing various unique structural selective degradation enzymes and modification enzymes according to their needs.