没有目标物腺苷存在时,核酸适体折叠成发夹结构,在茎部形成一个酶切双链区,酶切后二茂铁脱离电极表面,没有二茂铁的响应电流信号产生。
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Methods Two DNA sequences containing small hairpin structure were designed and synthesized.
方法设计有小发夹结构的两条DNA序列。
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Then we mainly introduce the hairpin structure and the principle of molecular beacons.
其次介绍了发夹结构与分子信标的原理。
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