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Reference type: Journal
Authors: Sun HW, Qiao FX, Liu GY, Liang SX
Article Title: Simultaneous isolation of six fluoroquinolones in serum samples by selective molecularly imprinted matrix solid-phase dispersion.
Publication date: 2008
Journal: Analytica Chimica Acta
Volume: 625
Issue: (2)
Page numbers: 154-159.
DOI: 10.1016/j.aca.2008.07.025
Alternative URL: http://www.sciencedirect.com/science/article/B6TF4-4T2M60H-3/2/45a4436b7a2a87648d736a56efb3e63d

Abstract: A simple and sensitive method for the simultaneous determination of six fluoroquinolones from serum samples was developed by selective molecularly imprinted matrix solid-phase dispersion (MI-MSPD) coupled with chromatographic separation. By using ethylene glycol dimethacrylate as crosslinker and reformative methanol-water system as reaction medium, the improved water-compatible imprinted polymers were synthesized which show higher affinity to template and its analogues in aqueous environment. The molecularly imprinted polymers (MIPs) were applied as the selective dispersant of matrix solid-phase dispersion (MSPD) could selectively extracted the six fluoroquinolones from serum, while interferences originated from serum matrices were eliminated simultaneously. Good linearity was obtained in a range of 0.05-100 μg mL-1 with the correlation coefficients >0.999. The average recoveries of the six fluoroquinolones at four different spiked levels (0.25-10 μg mL-1) were ranged from 72.2% to 114.1% with the relative standard deviations less than 6.6%. This method is simple and sensitive, and can be used as an alternative tool to the existing HPLC methods for analyzing the residues of fluoroquinolones in biological samples
Template and target information: fluoroquinolones, enoxacin, ofloxacin, pefloxacin, norflorxacin, ciprofloxacin
Author keywords: molecularly imprinted polymer, Selective matrix solid-phase dispersion, Six fluoroquinolones, serum samples

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