The gold anti AFP binding with AFP in serum migrates along the nitrocellulose membrane and forms a aubergine stripe binding with the anti AFP in solid phase.

• 血清中的afp与金标记抗体结合 ,沿着硝酸纤维素膜移动 ,与膜上的固相抗体结合可形成肉眼可见的紫红色线条。