In the present work, using the magnetic microparticle, two ultra-sensitive and simple methods based on the traditional radio-immunoassay for the determination of estriol (E3) in serum were developed.

• 在传统的放射免疫分析的基础上,以磁性微粒子为二抗分离剂和固相一抗为结合反应剂,建立了两种快速、超灵敏、简便的血清及其它样品中雌三醇含量的分析方法。