Journal
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
Volume 879, Issue 19, Pages 1617-1624Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jchromb.2011.03.054
Keywords
Erythromycin; Multi-walled carbon nanotube; High-performance liquid chromatography; beta-Cyclodextrin; Surface molecular imprinting
Funding
- National Natural Science Foundation of China [21005030]
- Research Foundation of Education Bureau of Hunan Province, China [10A099]
- Hunan Provincial Innovation Foundation for postgraduate Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province [CX2010b394]
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A new surface imprinting technique was reported to synthesize multi-walled carbon nanotubes-molecularly imprinted polymers (MWNTs-MIPs) using erythromycin as the template, acryloyl-beta-cyclodextrin (acryloyl-beta-CD) and methacrylic acid (MM) as the binary functional monomers. The MWNTs-MIPs were characterized by transmission electron microscopy (TEM), scanning electron micrograph (SEM) and Fourier transform-infrared spectroscopy (FT-IR). Adsorption experiments indicated the MWNTs-MIPs prepared with acryloyl-beta-CD and MAA have high selective for erythromycin. The feasibility of the MWNTs-MIPs as solid-phase extraction (SPE) sorbent was evaluated, and the results showed that it can selectively extract erythromycin from chicken muscle samples with the recoveries ranging from 85.3% to 95.8%. The molecularly imprinted solid-phase extraction (MISPE) method could be applied for preconcentration and purification of erythromycin from chicken muscle samples. (C) 2011 Elsevier B.V. All rights reserved.
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