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Facile synthesis of cyclodextrin-metal organic framework decorated with Ketjen Black and platinum nanoparticles and its application for the electrochemical detection of ofloxacin

Abstract

A facile and novel method was developed to improve the conductivity of a cyclodextrin-metal organic frameworks (CD-MOFs) by modifying it with Ketjen Black (KB) and Pt nanoparticles (PtNPs). The structural morphology and composition of this PtNPs/KB/CD-MOFs nanocomposite was characterized by transmission electron microscopy, scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, mapping, and Raman spectroscopy. The sensor was then evaluated for ability to detect ofloxacin using cyclic voltammetry, and the results showed that the PtNPs/KB/CD-MOFs had high sensitivity, satisfactory stability and good reproducibility. In addition, a great linear range was obtained with a concentration of 0.08-100 µM and a low detection limit of 0.037 µM (S/N = 3). Therefore, the prepared electrochemical sensor could be successfully used to detect ofloxacin in serum.

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Supplementary files

Article information


Submitted
19 Dec 2019
Accepted
06 Jan 2020
First published
13 Jan 2020

Analyst, 2020, Accepted Manuscript
Article type
Paper

Facile synthesis of cyclodextrin-metal organic framework decorated with Ketjen Black and platinum nanoparticles and its application for the electrochemical detection of ofloxacin

F. Luan, Y. Wang, S. Zhang, X. Zhuang, C. Tian, X. Fu and L. Chen, Analyst, 2020, Accepted Manuscript , DOI: 10.1039/C9AN02575H

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