A novel acetylcholinesterase biosensor based on carboxylic graphene coated with silver nanoparticles for pesticide detection.
本文报道了一种基于银纳米颗粒(Ag NPs)、羧基石墨烯(CGR)和Nafion(NF)杂化修饰玻璃碳电极(GCE)的新型乙酰胆碱酯酶(AChE)生物传感器。Ag NPs–CGR–NF杂化膜具有良好的导电性、催化活性和生物相容性,可为AChE提供亲水吸附表面;壳聚糖(CS)用于在电极表面固定AChE并保持其酶活性。该传感器对乙酰硫代...