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Sensitive and high recovery electrochemical sensing of resorcinol by Cd–glutathione complex-modified glassy carbon electrode.

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Title: Sensitive and high recovery electrochemical sensing of resorcinol by Cd–glutathione complex-modified glassy carbon electrode.
Authors: Aslam, Rashida1 (AUTHOR), Fatima, Batool1 (AUTHOR), Hussain, Dilshad2,3 (AUTHOR), Nawaz, Rahat2 (AUTHOR), Majeed, Saadat2 (AUTHOR), Ashiq, Muhammad Naeem2 (AUTHOR), Qureshi, Tahir Imran4 (AUTHOR), Najam-Ul-Haq, Muhammad2 (AUTHOR) najamulhaq@bzu.edu.pk
Source: International Journal of Environmental Analytical Chemistry. Dec 2021, Vol. 101 Issue 15, p2785-2795. 11p.
Subjects: Carbon electrodes, Resorcinol, Energy dispersive X-ray spectroscopy, Uric acid, Phenols, Electrochemical sensors
Abstract: Resorcinol belongs to class of phenolic compounds with high medicinal importance due to antiseptic and disinfectant properties. In this research, cadmium–glutathione (Cd–GSH) complex has been synthesised by single sept strategy and used for electrochemical sensing of resorcinol. Synthesised complex is characterised by UV/Visible spectrophotometer, Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). Cyclic voltammetry (CV), with three-electrode system, is used for sensing of resorcinol. Cd–GSH-modified glassy carbon electrode (GCE) shows redox response for resorcinol and parameters including pH, concentration and scan rate are optimised. Results indicate that peak current of resorcinol is the highest in PBS buffer solution of pH 7.4. Under optimised experimental conditions, the anodic peak current of resorcinol shows linear trend (R2) in the range of 0.996 and limit of detection (LOD) up to 0.3 μM by amperometry, which is significantly higher than some other reported materials. Observed recovery of resorcinol from tap water (113%) and pond water (138%) also justified by Cd–GSH complex-modified electrode. Furthermore, synthesised complex is selective for resorcinol in the presence of higher concentrations of ascorbic acid and uric acid. Good stability and reproducibility up to 30 cycles indicate the potential use of complex as electrochemical sensors. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Environmental Analytical Chemistry is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Sensitive and high recovery electrochemical sensing of resorcinol by Cd–glutathione complex-modified glassy carbon electrode.
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  Data: <searchLink fieldCode="AR" term="%22Aslam%2C+Rashida%22">Aslam, Rashida</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fatima%2C+Batool%22">Fatima, Batool</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussain%2C+Dilshad%22">Hussain, Dilshad</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nawaz%2C+Rahat%22">Nawaz, Rahat</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Majeed%2C+Saadat%22">Majeed, Saadat</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ashiq%2C+Muhammad+Naeem%22">Ashiq, Muhammad Naeem</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qureshi%2C+Tahir+Imran%22">Qureshi, Tahir Imran</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Najam-Ul-Haq%2C+Muhammad%22">Najam-Ul-Haq, Muhammad</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> najamulhaq@bzu.edu.pk</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Environmental+Analytical+Chemistry%22">International Journal of Environmental Analytical Chemistry</searchLink>. Dec 2021, Vol. 101 Issue 15, p2785-2795. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Carbon+electrodes%22">Carbon electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Resorcinol%22">Resorcinol</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dispersive+X-ray+spectroscopy%22">Energy dispersive X-ray spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Uric+acid%22">Uric acid</searchLink><br /><searchLink fieldCode="DE" term="%22Phenols%22">Phenols</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemical+sensors%22">Electrochemical sensors</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Resorcinol belongs to class of phenolic compounds with high medicinal importance due to antiseptic and disinfectant properties. In this research, cadmium–glutathione (Cd–GSH) complex has been synthesised by single sept strategy and used for electrochemical sensing of resorcinol. Synthesised complex is characterised by UV/Visible spectrophotometer, Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). Cyclic voltammetry (CV), with three-electrode system, is used for sensing of resorcinol. Cd–GSH-modified glassy carbon electrode (GCE) shows redox response for resorcinol and parameters including pH, concentration and scan rate are optimised. Results indicate that peak current of resorcinol is the highest in PBS buffer solution of pH 7.4. Under optimised experimental conditions, the anodic peak current of resorcinol shows linear trend (R2) in the range of 0.996 and limit of detection (LOD) up to 0.3 μM by amperometry, which is significantly higher than some other reported materials. Observed recovery of resorcinol from tap water (113%) and pond water (138%) also justified by Cd–GSH complex-modified electrode. Furthermore, synthesised complex is selective for resorcinol in the presence of higher concentrations of ascorbic acid and uric acid. Good stability and reproducibility up to 30 cycles indicate the potential use of complex as electrochemical sensors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Environmental Analytical Chemistry is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1080/03067319.2020.1711895
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 2785
    Subjects:
      – SubjectFull: Carbon electrodes
        Type: general
      – SubjectFull: Resorcinol
        Type: general
      – SubjectFull: Energy dispersive X-ray spectroscopy
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      – SubjectFull: Uric acid
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      – SubjectFull: Phenols
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      – SubjectFull: Electrochemical sensors
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      – TitleFull: Sensitive and high recovery electrochemical sensing of resorcinol by Cd–glutathione complex-modified glassy carbon electrode.
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              Text: Dec 2021
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