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Reference type: Journal
Authors: Lian ZR, Wang JT
Article Title: Molecularly imprinted polymer for selective extraction of malachite green from seawater and seafood coupled with high-performance liquid chromatographic determination.
Publication date: 2012
Journal: Marine Pollution Bulletin
Volume: 64
Issue: (12)
Page numbers: 2656-2662.
DOI: 10.1016/j.marpolbul.2012.10.011
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0025326X12005012

Abstract: In this paper, a highly selective sample cleanup procedure combining molecular imprinting technique (MIT) and solid-phase extraction (SPE) was developed for the isolation of malachite green in seawater and seafood samples. The molecularly imprinted polymer (MIP) was prepared using malachite green as the template molecule, methacrylic acid as the functional monomer and ethylene glycol dimethacrylate as the cross-linking monomer. The imprinted polymer and non-imprinted polymer were characterized by scanning electron microscope and static adsorption experiments. The MIP showed a high adsorption capacity and was used as selective sorbent for the SPE of malachite green. An off-line molecularly imprinted solid-phase extraction (MISPE) method followed by high-performance liquid chromatography with diodearray detection for the analysis of malachite green in seawater and seafood samples was also established. Finally, five samples were determined. The results showed that malachite green concentration in one seawater sample was at 1.30 μg L-1 and the RSD (n = 3) was 4.15%
Template and target information: malachite green
Author keywords: Malachite green, molecularly imprinted polymer, Solid-phase extraction, Seawater and seafood


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