Electroanalytical analysis of phenol oxidation using bacteria immobilized by a polycaprolactone coating on the copper electrode surface

The copper electrode modified by bacteria immobilised by a polycaprolactone film was successfully developed by electropolymerisation for the purpose of determining the presence of phenol. Electrochemical techniques such as square-wave voltammetry (SWV), cyclic voltammetry (CV) and electrochemical im...

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Published in:Scientific reports 2024-06, Vol.14 (1), p.13136-12
Main Authors: Moutcine, Abdelaziz, Laghlimi, Charaf, Ziat, Younes, Isaad, Jalal, El Bahraoui, Soumia, Chtaini, Abdelilah
Format: Article
Language:English
Subjects:
639/638/11
639/638/161
Bacteria
Biosensors
Contact angle
Copper
Cyclic voltammetry
Electrochemical impedance spectroscopy
Electrochemistry
Electrodes
Electrolytes
Electrons
Experiments
Graphene
Humanities and Social Sciences
Modified copper electrode
multidisciplinary
Oxidation
Phenol oxidation
Phenols
Polycaprolactone
Polymers
Science
Science (multidisciplinary)
Spectroscopy
Spectrum analysis
Square wave voltammetry
Toxicity
Voltammetry
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container_title Scientific reports
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creator Moutcine, Abdelaziz
Laghlimi, Charaf
Ziat, Younes
Isaad, Jalal
El Bahraoui, Soumia
Chtaini, Abdelilah
description The copper electrode modified by bacteria immobilised by a polycaprolactone film was successfully developed by electropolymerisation for the purpose of determining the presence of phenol. Electrochemical techniques such as square-wave voltammetry (SWV), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to characterize the electrochemical properties of the Cu-polymer/bacteria electrode. The results show that the intensity of the phenol oxidation peak increases with concentration, allowing us to obtain good analytical results with DL of 2.156 × 10 –7 M and QL which is 7.2 × 10 –7 M , confirming that the biosensor has excellent electroanalytical activity for phenol oxidation, with good stability and a wide linear range. Our electrode is based on a easily available and inexpensive material, as well as on its simple preparation, which has demonstrated high performance for phenol.
doi_str_mv 10.1038/s41598-024-58281-7
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subjects 639/638/11
639/638/161
Bacteria
Biosensors
Contact angle
Copper
Cyclic voltammetry
Electrochemical impedance spectroscopy
Electrochemistry
Electrodes
Electrolytes
Electrons
Experiments
Graphene
Humanities and Social Sciences
Modified copper electrode
multidisciplinary
Oxidation
Phenol oxidation
Phenols
Polycaprolactone
Polymers
Science
Science (multidisciplinary)
Spectroscopy
Spectrum analysis
Square wave voltammetry
Toxicity
Voltammetry
title Electroanalytical analysis of phenol oxidation using bacteria immobilized by a polycaprolactone coating on the copper electrode surface
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