Authors: Li SH
, Tao HL
, Li JP
Molecularly Imprinted Electrochemical Luminescence Sensor Based on Enzymatic Amplification for Ultratrace Isoproturon Determination.
Publication date: 2012
Alternative URL: https://www.researchgate.net/publication/263720103_Molecularly_Imprinted_Electrochemical_Luminescence_Sensor_Based_on_Enzymatic_Amplification_for_Ultratrace_Isoproturon_Determination
Abstract: A new molecularly imprinted electrochemical luminescence sensor (MIP-ECL sensor) was developed for isoproturon (IPU) determination based on the competition reaction between IPU and glucose oxidase labeled IPU (GOD-IPU). After competition, hydrogen peroxide produced by residual GOD-IPU on the MIP reacted with luminol to emit electrochemiluminescence (ECL) signal. The ECL intensity decreased when the GOD-IPU molecules were replaced by IPU molecules in the samples. IPU could be determined in the concentration range from 9 x 10-11 mol/L to 5.1 x 10-9 mol/L with a detection limit of 3.78 x 10-12 mol/L. Water samples were assayed and recoveries ranging from 98.5 % to 102.1 % were obtained
Template and target information: isoproturon, IPU
Author keywords: Molecularly imprinted sensors, Electrochemical luminescence, isoproturon, Enzymatic amplification, Luminol
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