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Reference type: Journal
Authors: Arabzadeh N, Abdouss M
Article Title: Synthesis and characterization of molecularly imprinted polymers for selective solid-phase extraction of pseudoephedrine.
Publication date: 2010
Journal: Colloid Journal
Volume: 72
Issue: (4)
Page numbers: 446-455.
DOI: 10.1134/S1061933X10040022

Abstract: Molecular imprinted solid-phase extraction (MISPE) is a well known technique for the selective extraction and pre-concentration of analytes, are present at low levels in chemically complex materials. Herein, water-soluble, molecularly imprinted polymers (MIP) were prepared for solid-phase extraction of pseudoephedrine hydrochloride (PSE), which was monitored at 256 nm by the UV spectroscopy. MISPE conditions were optimized to allow the selective and determination of PSE in aqueous samples and composite materials, such as biological fluids and human urine. MIP was prepared by precipitation polymerization method, using methacrylic acid as a functional monomer and ethylene glycol dimethacrylate as a cross-linking agent in either acetonitrile or chloroform. The results suggest that the obtained MISPE exhibits high affinity for PSE, and the imprinted polymer demonstrates much higher efficiency than a non-imprinted polymer (NIP). The imprinting-induced extraction was confirmed by the determination of recovery values for NIP (4%) and MIP (80%) polymers, respectively. The binding capacity of the MIP for PSE was found of 47.6 mg g-1
Template and target information: pseudoephedrine, PSE

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