Volume 12, Issue 3 (10-2016)
J Health Syst Res 2016, 12(3): 342-349 |
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Abdollah Noorbakhsh, Mohammad Rafienia, Hedayat Hoseini-Manojan. Electrochemical Synthesis of Porous Nickel Oxide Film in Acidic Media: Application in Para-Nitrophenol Sensor Fabrication. J Health Syst Res 2016; 12 (3) :342-349
URL: http://hsr.mui.ac.ir/article-1-872-en.html
URL: http://hsr.mui.ac.ir/article-1-872-en.html
1- Assistant Professor, Department of Nanotechnology Engineering, School of Advanced Science and Technology, University of Isfahan, Isfahan, Iran
2- Associate Professor, Biosensor Research Center AND Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Science and Technology, Isfahan University of Medical Sciences, Isfahan, Iran Corresponding Author: Mohammad Rafieniya, Email: m_rafienia@med.mui.ac.ir
2- Associate Professor, Biosensor Research Center AND Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Science and Technology, Isfahan University of Medical Sciences, Isfahan, Iran Corresponding Author: Mohammad Rafieniya, Email: m_rafienia@med.mui.ac.ir
Abstract: (1221 Views)
Background: Para-nitrophenol is one of the most important nitrobenzenes and is widely used in the synthesis of different industrial compounds. It remains in the soil, groundwater, and air for a long time and has toxic effects, and thus, poses a threat to humans, animals, and plants. In order to evaluate the safety of water and food resources, it is important to develop efficient, simple, and reliable methods for the determination of trace amounts of p-nitrophenol.Methods: In the preset work, in order to determine the trace amount of p-nitrophenol, a very simple and sensitive sensor was fabricated through the in situ electrosynthesis sequestration of nickel oxide nanostructure on the surface of a glassy carbon (GC) electrode. Cyclic voltammetry and electrochemical impedance spectroscopy (EIS) were used for the investigation of the electro-deposited film.Findings: Results showed that the electro-deposited film had very good electrocatalytic properties for p-nitrophenol degradation. Through the modification of the glassy carbon electrode surface with this nanostructured film, a sensitive electrochemical sensor was fabricated for the determination of p-nitrophenol using cyclic voltammetry method. The detection limit (signal/noise = 3), sensitivity, and linear range of the sensor were 40 nM, 0.3245 µA/µM, and 40-750 µM, respectively.Conclusion: Results showed that the designed sensor can be used for sensitive determination of para-nitrophenol.
Type of Study: Research |
Subject:
education health and promotion
Received: 2020/07/16 | Accepted: 2016/10/15 | Published: 2016/10/15
Received: 2020/07/16 | Accepted: 2016/10/15 | Published: 2016/10/15
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