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Performance analysis of optimized screen-printed electrodes for electrochemical sensing

The screen-printed electrode (SPE) sensor is widely employed in food analysis, environmental health monitoring, disease detection, toxin detection and other applications. As it is crucial for the SPE sensor to have an outstanding performance, this study examined the effects of manipulating the w...

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Main Authors: Roslan, Nurul Amira Farhana, Ab Rahim, Rosminazuin, Md Ralib @ Md Raghib, Aliza 'Aini, Za'bah, Nor Farahidah, Nordin, Anis Nurashikin, Bashri, Mohd Saiful Riza, Suhaimi, M. I., Samsudin, Zambri, Ming, Lim Lai, Sugandi, Gandi
Format: Article
Language:English
English
Published: Penerbit UTHM 2022
Subjects:
T Technology (General)
Online Access:http://irep.iium.edu.my/99694/1/99694_Performance%20analysis%20of%20optimized%20screen-printed.pdf
http://irep.iium.edu.my/99694/2/99694_Performance%20analysis%20of%20optimized%20screen-printed_SCOPUS.pdf
http://irep.iium.edu.my/99694/
https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/10765/5084
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spelling my.iium.irep.996942022-08-29T00:50:05Z http://irep.iium.edu.my/99694/ Performance analysis of optimized screen-printed electrodes for electrochemical sensing Roslan, Nurul Amira Farhana Ab Rahim, Rosminazuin Md Ralib @ Md Raghib, Aliza 'Aini Za'bah, Nor Farahidah Nordin, Anis Nurashikin Bashri, Mohd Saiful Riza Suhaimi, M. I. Samsudin, Zambri Ming, Lim Lai Sugandi, Gandi T Technology (General) The screen-printed electrode (SPE) sensor is widely employed in food analysis, environmental health monitoring, disease detection, toxin detection and other applications. As it is crucial for the SPE sensor to have an outstanding performance, this study examined the effects of manipulating the working electrode (WE) radius, gap spacing between electrodes, and counter electrode (CE) width on the performance of an SPE sensor. Finite element simulation on various geometrical dimensions was done prior to screen-printed electrode SPE sensor’s fabrication at Jabil Circuits Sdn Bhd. The electrodes performance is measured through cyclic voltammetry (CV) using a potentiostat at an optimum scan rate of 0.01 V/s and a voltammetry potential window range of -0.2 to 0.8 V in 0.01 M Phosphate Buffered Saline (PBS) solution. It is discovered that adjusting the WE area and the gap separation between the electrodes had the most impact on sensor performance compared to varying the CE width. In both simulation and CV measurements, WE with the highest radius of 0.9 mm with an effective area of 2.54 mm2 and the smallest gap spacing of 0.7 mm has shown the highest current density of 0.04 A/mm2 (simulation) and 0.3 μA/mm2 (experiment) which can be translated as the highest sensitivity for the SPE sensor. Further CV measurement in nicotine sensing application has proven that the SPE sensor can effectively detect the nicotine oxidation indicating its promising potential as a biosensor. Combination of optimum SPE dimension together with suitable electrode modification process serves as the basis for an effective and sensitive SPE sensor for various biosensing applications. Penerbit UTHM 2022-06-20 Article PeerReviewed application/pdf en http://irep.iium.edu.my/99694/1/99694_Performance%20analysis%20of%20optimized%20screen-printed.pdf application/pdf en http://irep.iium.edu.my/99694/2/99694_Performance%20analysis%20of%20optimized%20screen-printed_SCOPUS.pdf Roslan, Nurul Amira Farhana and Ab Rahim, Rosminazuin and Md Ralib @ Md Raghib, Aliza 'Aini and Za'bah, Nor Farahidah and Nordin, Anis Nurashikin and Bashri, Mohd Saiful Riza and Suhaimi, M. I. and Samsudin, Zambri and Ming, Lim Lai and Sugandi, Gandi (2022) Performance analysis of optimized screen-printed electrodes for electrochemical sensing. International Journal of Integrated Engineering, 14 (3). pp. 250-261. ISSN 2229-838X E-ISSN 2600-7916 https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/10765/5084 10.30880/ijie.2022.14.03.027
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
English
topic T Technology (General)
spellingShingle T Technology (General)
Roslan, Nurul Amira Farhana
Ab Rahim, Rosminazuin
Md Ralib @ Md Raghib, Aliza 'Aini
Za'bah, Nor Farahidah
Nordin, Anis Nurashikin
Bashri, Mohd Saiful Riza
Suhaimi, M. I.
Samsudin, Zambri
Ming, Lim Lai
Sugandi, Gandi
Performance analysis of optimized screen-printed electrodes for electrochemical sensing
description The screen-printed electrode (SPE) sensor is widely employed in food analysis, environmental health monitoring, disease detection, toxin detection and other applications. As it is crucial for the SPE sensor to have an outstanding performance, this study examined the effects of manipulating the working electrode (WE) radius, gap spacing between electrodes, and counter electrode (CE) width on the performance of an SPE sensor. Finite element simulation on various geometrical dimensions was done prior to screen-printed electrode SPE sensor’s fabrication at Jabil Circuits Sdn Bhd. The electrodes performance is measured through cyclic voltammetry (CV) using a potentiostat at an optimum scan rate of 0.01 V/s and a voltammetry potential window range of -0.2 to 0.8 V in 0.01 M Phosphate Buffered Saline (PBS) solution. It is discovered that adjusting the WE area and the gap separation between the electrodes had the most impact on sensor performance compared to varying the CE width. In both simulation and CV measurements, WE with the highest radius of 0.9 mm with an effective area of 2.54 mm2 and the smallest gap spacing of 0.7 mm has shown the highest current density of 0.04 A/mm2 (simulation) and 0.3 μA/mm2 (experiment) which can be translated as the highest sensitivity for the SPE sensor. Further CV measurement in nicotine sensing application has proven that the SPE sensor can effectively detect the nicotine oxidation indicating its promising potential as a biosensor. Combination of optimum SPE dimension together with suitable electrode modification process serves as the basis for an effective and sensitive SPE sensor for various biosensing applications.
format Article
author Roslan, Nurul Amira Farhana
Ab Rahim, Rosminazuin
Md Ralib @ Md Raghib, Aliza 'Aini
Za'bah, Nor Farahidah
Nordin, Anis Nurashikin
Bashri, Mohd Saiful Riza
Suhaimi, M. I.
Samsudin, Zambri
Ming, Lim Lai
Sugandi, Gandi
author_facet Roslan, Nurul Amira Farhana
Ab Rahim, Rosminazuin
Md Ralib @ Md Raghib, Aliza 'Aini
Za'bah, Nor Farahidah
Nordin, Anis Nurashikin
Bashri, Mohd Saiful Riza
Suhaimi, M. I.
Samsudin, Zambri
Ming, Lim Lai
Sugandi, Gandi
author_sort Roslan, Nurul Amira Farhana
title Performance analysis of optimized screen-printed electrodes for electrochemical sensing
title_short Performance analysis of optimized screen-printed electrodes for electrochemical sensing
title_full Performance analysis of optimized screen-printed electrodes for electrochemical sensing
title_fullStr Performance analysis of optimized screen-printed electrodes for electrochemical sensing
title_full_unstemmed Performance analysis of optimized screen-printed electrodes for electrochemical sensing
title_sort performance analysis of optimized screen-printed electrodes for electrochemical sensing
publisher Penerbit UTHM
publishDate 2022
url http://irep.iium.edu.my/99694/1/99694_Performance%20analysis%20of%20optimized%20screen-printed.pdf
http://irep.iium.edu.my/99694/2/99694_Performance%20analysis%20of%20optimized%20screen-printed_SCOPUS.pdf
http://irep.iium.edu.my/99694/
https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/10765/5084
_version_ 1743106847024349184
score 13.211869

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