Journal
MATERIALS LETTERS
Volume 129, Issue -, Pages 95-97Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.05.039
Keywords
Nanoparticles; Nanocomposites; Molecularly imprinted polymer; Electrochemical detection; Mesoporous carbon; Ofloxacin
Funding
- Natural Science Foundation of Liaoning Province of China [201102035]
- Jiangsu Key Laboratory of Atmospheric Environmental Monitoring and Pollution Control, Nanjing University of Information Science and Technology [AEMPC201113]
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Molecularly imprinted polymer/mesoporous carbon composite nanoparticles (MCNs@MIP) were prepared through covalent grafting of the polymer onto the surface of mesoporous carbon nanoparticles by precipitation polymerization using ofloxacin as a template. The MCNs@MIP were well monodisperse, with a diameter of similar to 220 nm. Using the MCNs@MIP as electrode sensing material, the electrode showed good electrochemical activity and selective response to ofloxacin in aqueous solutions. There was a linear relationship between the peak currents in cyclic voltammetry measurement and ofloxacin concentrations in the range of 0.5-100 mu M, with a limit of detection (S/N=3) of 80 nM. (C) 2014 Elsevier B.V. All rights reserved.
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