Phoenix Dactylifera Hydrochar as a Green Modification Material Based on Glassy Carbon Electrodes for the Detection of Methylene Blue

Phoenix Dactylifera Hydrochar as a Green Modification Material Based on Glassy Carbon Electrodes for the Detection of Methylene Blue

A novel electrochemically sensitive sensor has been developed based on Hydrochar derived from Phoenix dactylifera was prepared for the detection of Methylene Blue (MB). These hydrochar (HC) have been used for the modification of the glassy carbon electrode (GCE). This electrode was characterized by...

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Veröffentlicht in:Journal of the Turkish Chemical Society, Section A, Chemistry Section A, Chemistry, 2024-07, Vol.11 (4), p.1397-1406
Hauptverfasser: Bendany, Mohamed, Ait Ben Brahim, Khalid, El Hamdouni, Youssra, Oumoussa, Hajar, Hammi, Zineb, Gadda, Nouhaila, Labjar, Najoua, Dahrouch, Abdelouahed, El Hajjaji, Souad
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container_issue 4
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container_title Journal of the Turkish Chemical Society, Section A, Chemistry
container_volume 11
creator Bendany, Mohamed
Ait Ben Brahim, Khalid
El Hamdouni, Youssra
Oumoussa, Hajar
Hammi, Zineb
Gadda, Nouhaila
Labjar, Najoua
Dahrouch, Abdelouahed
El Hajjaji, Souad
description A novel electrochemically sensitive sensor has been developed based on Hydrochar derived from Phoenix dactylifera was prepared for the detection of Methylene Blue (MB). These hydrochar (HC) have been used for the modification of the glassy carbon electrode (GCE). This electrode was characterized by scanning electron microscopy (SEM). The electrochemical properties of MB in the modified electrode (HC/GCE) were studied by square-wave voltammetry (SWV) and cyclic voltammetry (CV) under optimized conditions. Owing to a synergistic effect, the HC/GCE exhibited an obvious electrocatalytic effect on positively charged MB. The influence of experimental variables (accumulation time, supporting electrolyte, pH) was studied. Under optimized conditions, the constructed sensor illustrated a linear voltammetric curve for the MB in the concentration interval from 10-4M to 10-10M, with a detection limit of 0.2nM. A study of the effect of interference on sensor functionality was carried out, as well as an analysis of MB recovery in real wastewater samples. The modified electrode offers numerous advantages, including easy preparation, low detection limit, high sensitivity, good repeatability, short response time and an effective detection platform for MB in wastewater.
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title Phoenix Dactylifera Hydrochar as a Green Modification Material Based on Glassy Carbon Electrodes for the Detection of Methylene Blue
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