Three-dimensional Tri-SNSs-layered electrodeposited reduced graphene oxide for ECL biosensing of DNA.
本研究提出一种由三角形银纳米片(Tri-SNSs)层状修饰、壳聚糖(CS)支撑的三维电沉积还原氧化石墨烯(3D-ERGO)电化学发光(ECL)生物传感平台,用于单链DNA(scDNA)检测。该平台以自设计双端标记Ru(bpy)3^2+的单链DNA(Ru2-DNA)作为捕获探针。基于石墨烯对scDNA与双链DNA(dcDNA)亲和性差...