The two monoclonal antibodies raised against the sialyl - parts of BSM, named 5E2 and 6C10.Their reaction with BSM were blocked by mild KOH, heating, trypsin, periodicacid and neuraminidase treatment.

• 两株抗体分别命名为5E2和6C10,Western-Blot显示两株抗体均只与分子量大于220kDa的PAS染色阳性条带反应。