By applying antibody sandwich enzyme linked immunosorbent assay method,the content of Bt (Bacillus thuringiensis Berliner) toxin protein in the Bt transgenic cotton was tested.

• 采用抗体夹心 EL ISA技术 ,对转 Bt基因抗虫棉植株中 Bt毒蛋白含量进行了测定。