Utilizing highly specific BrdU antiserum, via the second antibody conjugated with enzyme and DAB-H2O3 or AEC-H2O3 colorific methods, the BrdU marked regions of CHO and human chromosomes were detected clearly.

• 使用高度特异的BrdU抗血清,通过酶标第二抗体和DAB-H_2O_2或AEC-H_2O_2显色法,成功地显示了CHO和人染色体的BrdU标记区域。