An antibody sandwich enzyme linked immunosorbent assay ( ELISA) was developed to detect and quantitate the Bacillus thuringiensis ( Bt) insecticidal protein expressed in transgenic insect resistant cotton using a purified Bt toxin ( 67kDa) as standard protein and antigen.
利用纯化的Bt毒素蛋白(67kDa)作为标准蛋白和免疫抗原,建立了检测转基因抗虫棉植株内Bt毒蛋白含量的抗体夹心ELISA方法。
The combining power of the Schick test toxin prepared with crude toxin standard was 2~ 5 times as strong as that pre-pared with purified toxin standard.
原制锡克试验毒素的结合力一般为精制的2~5倍。
Preparation and Characterization of Purified Diphtheria Toxin Standard and Purified Schick Test Toxin
精制白喉标准毒素及精制锡克试验毒素的制备与检定
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