Construction of an improved amperometric acrylamide biosensor based on hemoglobin immobilized onto carboxylated multi-walled carbon nanotubes/iron oxide nanoparticles/chitosan composite film.
本文报道了一种改进型安培法丙烯酰胺生物传感器的构建方法。该传感器以金电极为基底,通过壳聚糖(CHIT)膜将羧基化多壁碳纳米管(cMWCNT)与氧化铁纳米粒子(Fe3O4NPs)纳米复合膜电沉积于电极表面,并采用EDC/NHS化学将血红蛋白(Hb)共价固定于复合膜上,形成Hb/cMWCNT-Fe3O4NP/CHIT/Au电极。作者利用...