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Cyclic Voltammetric Studies on Electrocatalytic Reduction of Bisulfite in Aqueous Buffered Solutions Using a Myoglobin / Surfactant Film Electrode

Received: 19 October 2022     Accepted: 3 November 2022     Published: 8 December 2022
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Abstract

Background: The surfactant, didodecyl dimethyl ammonium bromide (DDAB), was used to immobilize myoglobin (Mb) onto glassy carbon (GC) electrode surfaces. The Mb/DDAB film on GC electrode showed good charge transport rates. Objectives: Mb in DDAB was utilised as a redox catalyst for reduction reactions requiring multi-electron transfers. Cyclic voltammetry has proved the Mb modified film electrode to be an effective electrocatalyst for the multi-electron reduction of bisulfite in aqueous buffered solutions. Methods: Using cyclic voltammetry technique, bisulfite reduction was studied at various concentrations and scan rates in different aqueous buffer solutions of various pH. Results: The values of ks of the film and kcat of the catalytic reaction of bisulfite were obtained at different pH values. The variation in the catalytic rate constant values with pH confirmed that the bisulfite is the reactive species. Conclusions: The catalytic bisulfite reduction was an irreversible, diffusion-controlled, and pH dependent process. The reduction of bisulfite by the Mb/DDAB film followed the EC’ catalytic mechanism.

Published in American Journal of Chemical Engineering (Volume 10, Issue 6)
DOI 10.11648/j.ajche.20221006.11
Page(s) 116-120
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Mb/DDAB Film, Glassy Carbon (GC) Electrode, Electrochemical Methods, EC’ Catalytic Mechanism

References
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    Abdelatty Mohamed Radalla, Michael Dennis Ryan. (2022). Cyclic Voltammetric Studies on Electrocatalytic Reduction of Bisulfite in Aqueous Buffered Solutions Using a Myoglobin / Surfactant Film Electrode. American Journal of Chemical Engineering, 10(6), 116-120. https://doi.org/10.11648/j.ajche.20221006.11

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    ACS Style

    Abdelatty Mohamed Radalla; Michael Dennis Ryan. Cyclic Voltammetric Studies on Electrocatalytic Reduction of Bisulfite in Aqueous Buffered Solutions Using a Myoglobin / Surfactant Film Electrode. Am. J. Chem. Eng. 2022, 10(6), 116-120. doi: 10.11648/j.ajche.20221006.11

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    AMA Style

    Abdelatty Mohamed Radalla, Michael Dennis Ryan. Cyclic Voltammetric Studies on Electrocatalytic Reduction of Bisulfite in Aqueous Buffered Solutions Using a Myoglobin / Surfactant Film Electrode. Am J Chem Eng. 2022;10(6):116-120. doi: 10.11648/j.ajche.20221006.11

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  • @article{10.11648/j.ajche.20221006.11,
      author = {Abdelatty Mohamed Radalla and Michael Dennis Ryan},
      title = {Cyclic Voltammetric Studies on Electrocatalytic Reduction of Bisulfite in Aqueous Buffered Solutions Using a Myoglobin / Surfactant Film Electrode},
      journal = {American Journal of Chemical Engineering},
      volume = {10},
      number = {6},
      pages = {116-120},
      doi = {10.11648/j.ajche.20221006.11},
      url = {https://doi.org/10.11648/j.ajche.20221006.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20221006.11},
      abstract = {Background: The surfactant, didodecyl dimethyl ammonium bromide (DDAB), was used to immobilize myoglobin (Mb) onto glassy carbon (GC) electrode surfaces. The Mb/DDAB film on GC electrode showed good charge transport rates. Objectives: Mb in DDAB was utilised as a redox catalyst for reduction reactions requiring multi-electron transfers. Cyclic voltammetry has proved the Mb modified film electrode to be an effective electrocatalyst for the multi-electron reduction of bisulfite in aqueous buffered solutions. Methods: Using cyclic voltammetry technique, bisulfite reduction was studied at various concentrations and scan rates in different aqueous buffer solutions of various pH. Results: The values of ks of the film and kcat of the catalytic reaction of bisulfite were obtained at different pH values. The variation in the catalytic rate constant values with pH confirmed that the bisulfite is the reactive species. Conclusions: The catalytic bisulfite reduction was an irreversible, diffusion-controlled, and pH dependent process. The reduction of bisulfite by the Mb/DDAB film followed the EC’ catalytic mechanism.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Cyclic Voltammetric Studies on Electrocatalytic Reduction of Bisulfite in Aqueous Buffered Solutions Using a Myoglobin / Surfactant Film Electrode
    AU  - Abdelatty Mohamed Radalla
    AU  - Michael Dennis Ryan
    Y1  - 2022/12/08
    PY  - 2022
    N1  - https://doi.org/10.11648/j.ajche.20221006.11
    DO  - 10.11648/j.ajche.20221006.11
    T2  - American Journal of Chemical Engineering
    JF  - American Journal of Chemical Engineering
    JO  - American Journal of Chemical Engineering
    SP  - 116
    EP  - 120
    PB  - Science Publishing Group
    SN  - 2330-8613
    UR  - https://doi.org/10.11648/j.ajche.20221006.11
    AB  - Background: The surfactant, didodecyl dimethyl ammonium bromide (DDAB), was used to immobilize myoglobin (Mb) onto glassy carbon (GC) electrode surfaces. The Mb/DDAB film on GC electrode showed good charge transport rates. Objectives: Mb in DDAB was utilised as a redox catalyst for reduction reactions requiring multi-electron transfers. Cyclic voltammetry has proved the Mb modified film electrode to be an effective electrocatalyst for the multi-electron reduction of bisulfite in aqueous buffered solutions. Methods: Using cyclic voltammetry technique, bisulfite reduction was studied at various concentrations and scan rates in different aqueous buffer solutions of various pH. Results: The values of ks of the film and kcat of the catalytic reaction of bisulfite were obtained at different pH values. The variation in the catalytic rate constant values with pH confirmed that the bisulfite is the reactive species. Conclusions: The catalytic bisulfite reduction was an irreversible, diffusion-controlled, and pH dependent process. The reduction of bisulfite by the Mb/DDAB film followed the EC’ catalytic mechanism.
    VL  - 10
    IS  - 6
    ER  - 

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Author Information
  • Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt

  • Chemistry Department, Marquette University, Milwaukee, USA

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