2 条结果 关键词:双足DNA walker ×

Bipedal DNA walker mediated enzyme-free exponential isothermal signal amplification for rapid detection of microRNA.

Chemical communications (Cambridge, England) 2019 Chen A, Zhuo Y, Chai Y, Yuan R

本文报道了一种由双足DNA walker介导的无酶指数等温DNA信号放大方法,并基于该策略构建了电化学发光(ECL)生物传感器,用于microRNA(miRNA)的快速高灵敏检测。该传感器以铂纳米粒子(Pt NPs)修饰的玻碳电极为基底,在电极表面构建由捕获探针(CP)、辅助探针(AP)和次级靶(ST)组成的Y junction二维...

Perylene Derivative/Luminol Nanocomposite as a Strong Electrochemiluminescence Emitter for Construction of an Ultrasensitive MicroRNA Biosensor.

Analytical chemistry 2019 Liu W, Chen A, Li S, Peng K 等 6 人

本文报道了一种基于氨基修饰3,4,9,10-芘四羧酸二酐/鲁米诺(PTC-NH2/Lu)纳米复合材料和双足DNA walker信号放大策略的电化学发光(ECL)生物传感器,用于超灵敏检测microRNA-21(miRNA-21)。PTC-NH2/Lu纳米复合材料通过π-π堆积分子自组装制备,其中PTC-NH2作为新型共反应加速器,可...