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Reference type: Journal
Authors: Rahmani A, Mohammadpour AH, Sahebnasagh A, Mohajeri SA
Article Title: Haloperidol imprinted polymer: preparation, evaluation, and application for drug assay in brain tissue.
Publication date: 2014
Journal: Analytical and Bioanalytical Chemistry
Volume: 406
Issue: (29)
Page numbers: 7729-7739.
DOI: 10.1007/s00216-014-8178-9

Abstract: Several molecularly imprinted polymers (MIPs) were prepared in the present work, and their binding properties were evaluated in comparison with a nonimprinted polymer (NIP). An optimized MIP was selected and applied for selective extraction and analysis of haloperidol in rabbit brain tissue. A molecularly imprinted solid-phase extraction (MISPE) method was developed for cleanup and preconcentration of haloperidol in brain samples before HPLC-UV analysis. Selectivity of the MISPE procedure was investigated using haloperidol and some structurally different drugs with similar polarity that could exist simultaneously in brain tissue. The extraction and analytical process was calibrated in the range of 0.05-10 ppm. The recovery of haloperidol in this MISPE process was calculated between 79.9 and 90.4 %. The limit of detection (LOD) and the limit of quantification (LOQ) of the assay were 0.008 and 0.05 ppm, respectively. Intraday precision and interday precision values for haloperidol analysis were less than 5.86 and 7.63 %, respectively. The MISPE method could effectively extract and concentrate haloperidol from brain tissue in the presence of clozapine and imipramine. Finally, the imprinted polymer was successfully applied for the determination of haloperidol in a real rabbit brain sample after administration of a toxic dose. Therefore, the proposed MISPE method could be applied in the extraction and preconcentration before HPLC-UV analysis of haloperidol in rabbit brain tissue
Template and target information: haloperidol
Author keywords: Haloperidol, molecularly imprinted polymer, Solid-phase extraction, Brain tissue

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