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Reference type: Journal
Authors: Davarani SSH, Rezayati Zad Z, Taheri AR, Rahmatian N
Article Title: Highly selective solid phase extraction and preconcentration of Azathioprine with nano-sized imprinted polymer based on multivariate optimization and its trace determination in biological and pharmaceutical samples.
Publication date: 2017
Journal: Materials Science and Engineering: C
Volume: 71
Page numbers: 572-583.
DOI: 10.1016/j.msec.2016.09.075
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0928493116315405

Abstract: In this research, for first time selective separation and determination of Azathioprine is demonstrated using molecularly imprinted polymer as the solid-phase extraction adsorbent, measured by spectrophotometry at λmax 286 nm. The selective molecularly imprinted polymer was produced using Azathioprine and methacrylic acid as a template molecule and monomer, respectively. A molecularly imprinted solid-phase extraction procedure was performed in column for the analyte from pharmaceutical and serum samples. The synthesized polymers were characterized by infrared spectroscopy (IR), field emission scanning electron microscopy (FESEM). In order to investigate the effect of independent variables on the extraction efficiency, the response surface methodology (RSM) based on Box-Behnken design (BBD) was employed. The analytical parameters such as precision, accuracy and linear working range were also determined in optimal experimental conditions and the proposed method was applied to analysis of Azathioprine. The linear dynamic range and limits of detection were 2.5-0.01 and 0.008 mg L-1 respectively. The recoveries for analyte were higher than 95% and relative standard deviation values were found to be in the range of 0.83-4.15%. This method was successfully applied for the determination of Azathioprine in biological and pharmaceutical samples
Template and target information: azathioprine
Author keywords: Azathioprine, Nano molecularly imprinted polymer, Solid-phase extraction, Spectrophotometry, Box-Behnken design

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