Label-free electrochemical DNA sensor using "click"-functionalized PEDOT electrodes.
本文报道了一种基于聚(3,4-乙烯二氧噻吩)(PEDOT)修饰电极的无标记电化学DNA传感器。作者首先以叠氮甲基-3,4-乙烯二氧噻吩(azido-EDOT)为单体,在金电极表面电聚合制备叠氮-PEDOT(azido-PEDOT)导电聚合物膜。随后,利用Cu(I)催化的Huisgen 1,3-偶极环加成“点击”反应,将末端含乙炔基的...