This research presented a modified two-phase chloramine-T method for radioiodine labeling of protein and Long-lasting Erythropoietin(LL-EPO) was labeled.

• 对双相氯胺-T碘标法实验装置作了改进并标记长效促红细胞生成素(LL-EPO),采用离心超滤技术代替传统的柱层析脱盐纯化标记蛋白质。