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文献和实验Immunoscreening of gt11 Expression Libraries Using an Avidin-Biotin Detection System
Although the avidin-biotin detection system has been used for immunochemical staining of tissues for some time, its use for amplification in immunoassays was not described until 1979 (1 ). The biological basis for the system is the very tight
Preparation and purification of biotin-labeled probe for ISH
solution dNTP (including biotin-11-dUTP 5 µl plasmid or genomic DNA 1 µg
。5'末端标记法5'末端标记法是通过化学方法将地高辛标记于寡核苷酸的5'末端。首先在5'末端连接上一个氨基连接臂残基,将合成的寡核苷酸纯化后,再使DIG-NHS与5'末端的氨基残基发生共价结合,从而形成标记RNA。DIG-RNA5'3'5'3'DIGAnti-DIG-APAP-DIG-RNA5'3'5'3'X光片曝光化学发光信号蓝紫色 生物素 用生物素标记RNA的方法常见的是用生物素与UTP结合形成Biotin-UTP,以Biotin-UTPATP、CTP、GTP为底物通过RNA聚合酶SP
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