The method of preparing pure disaccharide, tetrasaccharide, hexasaccharide, octasaccharide, decasaccharide, dodecasaccharide,tetradecasaccharide and eicosaccharide of bovine lung heparin by using heparinase I (EC 4.
7)对牛肺肝素进行控制酶解 ,混合寡糖经超滤、凝胶渗透色谱和高压液相色谱技术分离制备后 ,得到聚合度为 2 ,4 ,6 ,8,10 ,12 ,14和 2 0的寡糖纯品。
Effect of recombinant Mce4A protein of Mycobacterium bovis on expression of TNF-α,iNOS,IL-6,and IL-12 in bovine alveolar macrophages;
牛分支杆菌Mce4A蛋白对牛肺泡巨噬细胞iNOS、TNF-α、IL-6和IL-12表达的影响