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Sensitive Detection of Industrial Pollutants Using Modified Electrochemical Platforms.

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Title: Sensitive Detection of Industrial Pollutants Using Modified Electrochemical Platforms.
Authors: Di Tinno, Alessio1 (AUTHOR) alessio.ditinno@gmail.com, Cancelliere, Rocco1 (AUTHOR) roccocancelliere@gmail.com, Mantegazza, Pietro1 (AUTHOR) mantegazza.pietro@gmail.com, Cataldo, Antonino2,3 (AUTHOR) antonino.cataldo@enea.it, Paddubskaya, Alesia4 (AUTHOR) paddubskaya@gmail.com, Ferrigno, Luigi5 (AUTHOR) ferrigno@unicas.it, Kuzhir, Polina6 (AUTHOR) polina.kuzhir@uef.fi, Maksimenko, Sergey4 (AUTHOR) sergey.maksimenko@gmail.com, Shuba, Mikhail4 (AUTHOR) mikhail.shuba@gmail.com, Maffucci, Antonio3,5 (AUTHOR) maffucci@unicas.it, Bellucci, Stefano3 (AUTHOR), Micheli, Laura1 (AUTHOR) laura.micheli@uniroma2.it
Source: Nanomaterials (2079-4991). May2022, Vol. 12 Issue 10, p1779-1779. 15p.
Subjects: Pollutants, Multiwalled carbon nanotubes, Hydroquinone, Quinone, Water pollution, Cyclic voltammetry, Benzoquinones
Abstract: Water pollution is nowadays a global problem and the effective detection of pollutants is of fundamental importance. Herein, a facile, efficient, robust, and rapid (response time < 2 min) method for the determination of important quinone-based industrial pollutants such as hydroquinone and benzoquinone is reported. The recognition method is based on the use of screen-printed electrodes as sensing platforms, enhanced with carbon-based nanomaterials. The enhancement is achieved by modifying the working electrode of such platforms through highly sensitive membranes made of Single- or Multi-Walled Carbon Nanotubes (SWNTs and MWNTs) or by graphene nanoplatelets. The modified sensing platforms are first carefully morphologically and electrochemically characterized, whereupon they are tested in the detection of different pollutants (i.e., hydroquinone and benzoquinone) in water solution, by using both cyclic and square-wave voltammetry. In particular, the sensors based on film-deposited nanomaterials show good sensitivity with a limit of detection in the nanomolar range (0.04 and 0.07 μM for SWNT- and MWNT-modified SPEs, respectively) and a linear working range of 10 to 1000 ppb under optimal conditions. The results highlight the improved performance of these novel sensing platforms and the large-scale applicability of this method for other analytes (i.e., toxins, pollutants). [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI 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 Detection of Industrial Pollutants Using Modified Electrochemical Platforms.
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  Data: Water pollution is nowadays a global problem and the effective detection of pollutants is of fundamental importance. Herein, a facile, efficient, robust, and rapid (response time &lt; 2 min) method for the determination of important quinone-based industrial pollutants such as hydroquinone and benzoquinone is reported. The recognition method is based on the use of screen-printed electrodes as sensing platforms, enhanced with carbon-based nanomaterials. The enhancement is achieved by modifying the working electrode of such platforms through highly sensitive membranes made of Single- or Multi-Walled Carbon Nanotubes (SWNTs and MWNTs) or by graphene nanoplatelets. The modified sensing platforms are first carefully morphologically and electrochemically characterized, whereupon they are tested in the detection of different pollutants (i.e., hydroquinone and benzoquinone) in water solution, by using both cyclic and square-wave voltammetry. In particular, the sensors based on film-deposited nanomaterials show good sensitivity with a limit of detection in the nanomolar range (0.04 and 0.07 μM for SWNT- and MWNT-modified SPEs, respectively) and a linear working range of 10 to 1000 ppb under optimal conditions. The results highlight the improved performance of these novel sensing platforms and the large-scale applicability of this method for other analytes (i.e., toxins, pollutants). [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder&#39;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.&lt;/i&gt; (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=157238533
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    Identifiers:
      – Type: doi
        Value: 10.3390/nano12101779
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 1779
    Subjects:
      – SubjectFull: Pollutants
        Type: general
      – SubjectFull: Multiwalled carbon nanotubes
        Type: general
      – SubjectFull: Hydroquinone
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      – SubjectFull: Quinone
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      – SubjectFull: Water pollution
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      – SubjectFull: Cyclic voltammetry
        Type: general
      – SubjectFull: Benzoquinones
        Type: general
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      – TitleFull: Sensitive Detection of Industrial Pollutants Using Modified Electrochemical Platforms.
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              M: 05
              Text: May2022
              Type: published
              Y: 2022
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