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Reference type: Journal
Authors: Dramou P, Zuo PL, He H, Pham-Huy LA, Zou WY, Xiao DL, Pham-Huy C
Article Title: Development of novel amphiphilic magnetic molecularly imprinted polymers compatible with biological fluids for solid phase extraction and physicochemical behavior study.
Publication date: 2013
Journal: Journal of Chromatography A
Volume: 1317
Page numbers: 110-120.
DOI: 10.1016/j.chroma.2013.07.075
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0021967313011357

Abstract: In the present work, a novel amphiphilic magnetic molecularly imprinted polymer (M-MIP) has been synthesized by a simple non covalent method for the loading of gatifloxacin (GTFX) in polar solvent. This nanomaterial used as sorbent has been applied to the solid phase extraction of GTFX in different spiked biological fluids. For the first time, studies of dispersibility and solubility behaviors with different solvents and water were performed to demonstrate amphiphilicity and also to find the better nanomaterial obtained. Fourier transform infrared (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray (XRD) were used to characterize the nanomaterials, and Scatchard plot analysis to demonstrate the binding kinetic. Results suggest that the dispersibility, solubility and the adsorption in water have relationships with the structure of nanomaterials prepared. The oleic acid coated on the M-MIP combined with the washing process has enhanced the amphiphilicity of the nanomaterials. The M-MIP2 showed better selectivity and adsorption behavior with imprinted efficiency higher than (2) in water, as well as in biological fluids. Moreover, no interference with constituents of blank urine and blank serum samples for solid phase extraction (SPE) was observed. Moreover, loading recovery was found higher than 95% with low RSD. The novel amphiphilic magnetic nanomaterial prepared here as sorbent is suitable for SPE of GTFX in biological fluids for therapeutic monitoring control. It could be also used as carrier in drug delivery system for experimental and clinical studies
Template and target information: gatifloxacin, GTFX
Author keywords: Amphiphilic magnetic-imprinted polymers, solid phase extraction, aqueous media, biological fluids, Physicochemical behavior study

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