1 条结果 关键词:果蔬检测 ×

Electrochemical detection of carbamate pesticides in fruit and vegetables with a biosensor based on acetylcholinesterase immobilised on a composite of polyaniline-carbon nanotubes.

Food chemistry 2012 Cesarino I, Moraes FC, Lanza MR, Machado SA

本文报道了一种基于多壁碳纳米管(MWCNTs)/聚苯胺(PANI)核壳复合膜修饰玻碳电极(GC)的乙酰胆碱酯酶(AChE)电化学生物传感器,用于苹果、西兰花和卷心菜中氨基甲酸酯类农药的检测。通过循环伏安法在GC表面电聚合PANI/MWCNT核壳膜,并滴涂固定AChE,无需交联剂。以硫代乙酰胆碱为底物,氨基甲酸酯农药可逆抑制AChE活...