MIPdatabase
Authors: Liu KF, Chen J, Chen N, Hu M, Gong WJ, Zhang YP
Article Title: Determination of Malachite Green in Fish Feed Samples by a Magnetic Stir Bar Based on Molecularly Imprinted Polymer Coupled with High Performance Liquid Chromatography.
Publication date: 2014
Journal: Journal of Instrumental Analysis
Volume: 33
Issue: (8)
Page numbers: 859-865.
Alternative URL: http://fxcsxb.com/ch/reader/view_abstract.aspx?file_no=20140801&flag=1
Abstract: The new matrix of Nd2Fe14B powders with high magnetic and super paramagnetic properties was used as a muddler magnetic supply in order to prepare sorptive extraction stir bars based on the molecular imprinting technique. It was carried out by a stepwise polymerization using malachite green (MG) as template, methacrylic acid (MAA) as functional monomer, ethylene glycol dimethacrylate (EGDMA) as cross linking agent. The experimental conditions such as extraction and desorption times, pH value and salt concentration were optimized in stir bar sorptive extraction (SBSE) process. Coupled with high performance liquid chromatography (HPLC),the SBSE was applied in the extraction and determination of MG in real samples. The experimental results indicated that under the optimized experimental conditions, the method showed good linearity in the range of 10-500 μg/L with detection limits of 103-215 ng/L and spiked recoveries of 87.3%-94.1%.
Template and target information: malachite green, MG
Author keywords: Malachite green, molecularly imprinted polymer, HPLC, Stir bar sorptive extraction
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