Free-standing electrochemical biosensor for carcinoembryonic antigen detection based on highly stable and flexible conducting polypyrrole nanocomposite.
本文报道了一种基于导电聚吡咯(PPy)纳米复合膜电极的柔性自由站立电化学生物传感器,用于检测癌胚抗原(CEA)。该导电 PPy 复合膜由分别掺杂季戊四醇乙氧基化物(PEE)和 2-萘磺酸盐(2-NS)的聚吡咯通过电聚合形成三明治结构,兼具高导电性与机械稳定性。金纳米颗粒(AuNPs)通过电沉积固定于 PPy 复合膜表面,CEA 适配...