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Reference type: Journal
Authors: Liang RN, Gao Q, Qin W
Article Title: Potentiometric Sensor Based on Molecularly Imprinted Polymers for Rapid Determination of Clenbuterol in Pig Urine.
Publication date: 2012
Journal: Chinese Journal of Analytical Chemistry
Volume: 40
Issue: (3)
Page numbers: 354-358.
DOI: 10.1016/S1872-2040(11)60535-5
Alternative URL: http://210.14.121.5:8080/fxhx/EN/abstract/abstract60.htm

Abstract: A polymeric membrane ion-selective electrode for determination of clenbuterol is described. It is based on a molecularly imprinted polymer as an ionophore for molecular recognition, which can be synthesized by precipitation polymerization using clenbuterol hydrochloride as the template molecule. Under optimized conditions, the proposed membrane electrode exhibits Nernstian response to the protonated clenbuterol over the concentration range of 1.0 x 10-7 M to 1.0 x 10-4 M with a slope of 55.7 mV/dec., and a detection limit of 7.0 x 10-8 M. The MIP-based sensor shows excellent selectivity, rapid response time and satisfactory long-term stability. The potentiometric sensor has been successfully applied to the determination of clenbuterol in pig urine samples with recoveries between 98% and 107% and an analysis time of less than 3 min
Template and target information: clenbuterol
Author keywords: molecularly imprinted polymer, potentiometric sensor, clenbuterol


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