Two strains anti-DES monoclonal antibody were obtained, which respectively named 4E6 and 3A8, and their antibody effective values are 1:12000 and 1:10000. The results of specificity and cross-reaction manifest that the blockade rate of DES is 100%.

• 经过杂交瘤筛选和克隆化,最后获得了两株DES单抗,分别命名为4E6、3A8,两株单抗培养上清的DES抗体效价分别为1:12000、1:10000;