A novel electrochemical DNA biosensor based on a modified magnetic bar carbon paste electrode with Fe3O4NPs-reduced graphene oxide/PANHS nanocomposite.
本研究设计了一种无标记电化学DNA生物传感器,用于检测DNA序列。该传感器以磁性棒碳糊电极(MBCPE)为基底,在其表面修饰Fe3O4纳米粒子/还原氧化石墨烯纳米复合材料(Fe3O4NPs-RGO),并采用1-芘丁酸-N-羟基琥珀酰亚胺酯(PANHS)作为连接分子固定单链DNA探针。探针针对BRCA1 5382 insC突变设计,通...