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Abstract: A molecularly imprinted polymer (MIP) has been prepared in presence of 3-hydroxy phencyclidine (3-OH PCP) as template by bulk polymerization using N,N-dimethylformamide, as porogenic solvent, for the selective solid-phase extraction (SPE) of arylcyclohexylamines from oral fluids. Experimental variables of the extraction procedure have been studied in order to increase both, extraction recovery of 3-OH PCP, used as model analyte, and imprinting factor. By modifying the composition of the washing solvent, the selectivity of the MIP extraction procedure can be tuned, moving from an arylcyclohexylamine selective method to a 3-OH PCP specific method. The applicability of the synthesized MIP was evaluated by the analysis of oral fluids spiked with 3-OH PCP at different concentration levels, extracted using both recommended SPE procedures and analyzed by ion mobility spectrometry. Recovery values ranging from 70 to 101% and a limit of detection of 15 μg L-1 were obtained
Template and target information: 3-hydroxy phencyclidine, 3-OH PCP
Author keywords: 3-Hydroxy phencyclidine, New psychoactive substances, Oral fluid, molecularly imprinted polymer, ion mobility spectrometry