A gold electrode modified with a nanoparticulate film composed of a conducting copolymer for ultrasensitive voltammetric sensing of hydrogen peroxide.
本研究通过大分子自组装和电聚合制备了由3-氨基噻吩(ATh)修饰的γ-聚谷氨酸(ATh-γ-PGA)组成的导电纳米颗粒膜。ATh-γ-PGA具有两亲性和导电性,在水溶液中降低pH时自组装形成纳米颗粒(NPs)。将ATh-γ-PGA NPs涂覆于金电极表面,并对噻吩单元进行电聚合,形成导电NPs膜;随后将辣根过氧化物酶(HRP)和Na...