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Highly Sensitive Detection of Gallic Acid in Food Samples by Using Robust NiAl2O4 Nanocomposite Materials.
- Source :
- Journal of The Electrochemical Society; 2019, Vol. 166 Issue 2, pB29-B34, 6p
- Publication Year :
- 2019
-
Abstract
- We have successfully synthesized nanostructured cubic NiAl<subscript>2</subscript>O<subscript>4</subscript> nanoparticles for the selective electrochemical determination of gallic acid (GA) and the prepared nanostructured composite material was characterized by (X-ray diffraction, Fourier transform infrared spectroscopy, and field-emission scanning electron microscopy analyses. The cubic NiAl<subscript>2</subscript>O<subscript>4</subscript> nanoparticles had average sizes of ~ 26-30 nm as calculated from XRD and SEM measurements, respectively. GA-detection performance was also evaluated by cyclic voltammetry and amperometry method. NiAl2O4 glassy carbon electrode showed excellent performance in GA detection with a linear range, detection limit (SNR = 3 sb/S), limit of quantitation (LOQ = 10 sd/S) and sensitivity value of 0.03-551.18 μM, 0.018 μM, 0.057 μM and 9.019 μM mA<superscript>-1</superscript> cm<superscript>-2</superscript>, respectively. The GA sensor was also used in real-sample analysis using food samples, and results showed the practicability of the proposed sensor. [ABSTRACT FROM AUTHOR]
- Subjects :
- GALLIC acid
CHEMICAL synthesis
NANOSTRUCTURED materials
Subjects
Details
- Language :
- English
- ISSN :
- 00134651
- Volume :
- 166
- Issue :
- 2
- Database :
- Supplemental Index
- Journal :
- Journal of The Electrochemical Society
- Publication Type :
- Academic Journal
- Accession number :
- 134606416
- Full Text :
- https://doi.org/10.1149/2.0121902jes