Duplex-specific nuclease-based electrochemical biosensor for the detection of microRNAs by conversion of homogeneous assay into surface-tethered electrochemical analysis.
本文提出一种将均相检测转化为表面固定电化学分析的策略,用于高灵敏检测 microRNA(miRNA)。双生物素标记的 DNA 检测探针(biotin-DNA-biotin)通过链霉亲和素(SA)与生物素的强相互作用,在 SA 修饰电极表面原位组装形成 (SA-biotin-DNA-biotin)n 网络,该网络绝缘电极界面,阻碍 [...