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Issue 70, 2016, Issue in Progress

Application of nickel cobalt oxide nanoflakes for electrochemical sensing of estriol in milk

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Abstract

In this work, a nickel cobalt oxide (Ni/Co oxide) nanoflake based electrochemical sensor for the fast determination of estriol in milk is presented for the first time. Nanostructured Ni/Co oxide with controlled morphology was synthesized by a facile hydrothermal method. The morphology and the electrochemical performance of the Ni/Co oxide were characterized by scanning electron microscopy transmission electron microscope, and energy dispersive X-ray spectroscopy, respectively. Results indicated that the porous hexagonal sheet-like Ni/Co oxide exhibited excellent electrocatalytic activity toward estriol, with a low detection limit of 0.42 nM, and linear range from 1 nM to 14 nM. Good specificity, stability and reproducibility were also demonstrated. Recovery was determined from 92.7% to 103.7% for spiked milk samples, providing a promising platform for fast screening of estriol.

Graphical abstract: Application of nickel cobalt oxide nanoflakes for electrochemical sensing of estriol in milk

Article information


Submitted
09 Apr 2016
Accepted
25 Jun 2016
First published
28 Jun 2016

RSC Adv., 2016,6, 65588-65593
Article type
Paper

Application of nickel cobalt oxide nanoflakes for electrochemical sensing of estriol in milk

H. Fu, Y. Wang, X. Dong, Y. Liu, Z. Chen, Y. Shen, C. Yang, J. Dong and Z. Xu, RSC Adv., 2016, 6, 65588 DOI: 10.1039/C6RA09186E

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