Methods Anti human bladder carcinoma cell line BIU 87 monoclonal antibody BDI 1 was labelled with technetium 99m by direct mercaptoethanol reducing method.

• 方法采用抗人膀胱癌单克隆抗体BDI－1通过2－巯基乙醇直接还原法标记99mTc（99mTc）制备了99mTc－BDI－1。