Fluorescence Resonance Energy Transfer-based Biosensor Composed of Nitrogen-doped Carbon Dots and Gold Nanoparticles for the Highly Sensitive Detection of Organophosphorus Pesticides.
本文报道了一种基于氮掺杂碳点(NC-dots)与金纳米颗粒(AuNPs)之间荧光共振能量转移(FRET)的有机磷农药生物传感器。NC-dots 通过 Au–N 相互作用在 AuNPs 表面有效组装,形成稳定的壳结构,使 NC-dots 荧光被显著猝灭。活性乙酰胆碱酯酶(AChE)催化乙酰硫代胆碱(ATI)水解,生成含巯基(–SH)的...