Artículos de revistas
Determination of carbamate pesticide in food using a biosensor based on reduced graphene oxide and acetylcholinesterase enzyme
Fecha
2018-12-20Registro en:
Sensors and Actuators, B: Chemical, v. 277, p. 555-561.
0925-4005
10.1016/j.snb.2018.09.051
2-s2.0-85053450680
2-s2.0-85053450680.pdf
Autor
Universidade Estadual Paulista (Unesp)
Institución
Resumen
Food safety is a major concern for human health and wellbeing all over the world. A novel and sensitive biosensor based on reduced graphene oxide (rGO) and the enzyme acetylcholinesterase (AChE) was developed and applied for the detection of carbaryl in food samples. The glassy carbon/rGO/AChE biosensor was characterized morphologically and electrochemically using scanning electron microscopy and cyclic voltammetry/electrochemical impedance spectroscopy, respectively. Optimum differential pulse voltammetry conditions led to a nanomolar detection limit, and determination of carbaryl in tomato was achieved.