MIPdatabase
Authors: Shen GJ, Du Y
Article Title: Preparation and characteristics of a molecularly imprinted electrode for terbutaline sulfate.
Publication date: 2014
Journal: Chinese Journal of Analysis Laboratory
Volume: 33
Issue: (6)
Page numbers: 733-736.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-FXSY201406032.htm
Abstract: A sensitive molecularly imprinted electrode was fabricated for selective detection of Terbutaline Sulfate (TES) by electropolymerization of o-Phenylenediamine (OPD) on a glassy carbon electrode (GCE). Electrochemical behaviors of TES on the imprinted electrode (MIP/GCE) were investigated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) in K3[Fe(CN)6]solution. The effects of the pH of the buffer,washing time and the amount of species were investigated to acquire the optimum conditions. A linear response between the peak current and the concentration of TES was obtained in the range of 1.52 x 10-8 ~ 1.05 x 10-6 mol/L and the detection limit was 1. 2 x 10-8 mol/L based on the 3σ of blank signals. The electrochemical sensor displayed excellent repeatability and long-term stability. The MIP/GCE has been used to determine TES in Terbutaline sulfate tablets with recoveries between 98. 4% and 107. 9%.
Template and target information: terbutaline Sulfate, TES
Author keywords: Terbutaline Sulfate, molecularly imprinted, electropolymerization, differential pulse voltammetry
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