Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A
This paper presents the application of zinc/aluminium-layered double hydroxide-quinclorac (Zn/Al-LDH-QC) as a modifier of multiwalled carbon nanotubes (MWCNT) paste electrode for the determination of bisphenol A (BPA). The Zn/Al-LDH-QC/MWCNT morphology was examined by a transmission electron microsc...
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MDPI AG
2019-02-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/19/4/941 |
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| author | Rahadian Zainul Nurashikin Abd Azis Illyas Md Isa Norhayati Hashim Mohamad Syahrizal Ahmad Mohamad Idris Saidin Siriboon Mukdasai |
| author_facet | Rahadian Zainul Nurashikin Abd Azis Illyas Md Isa Norhayati Hashim Mohamad Syahrizal Ahmad Mohamad Idris Saidin Siriboon Mukdasai |
| author_sort | Rahadian Zainul |
| collection | DOAJ |
| description | This paper presents the application of zinc/aluminium-layered double hydroxide-quinclorac (Zn/Al-LDH-QC) as a modifier of multiwalled carbon nanotubes (MWCNT) paste electrode for the determination of bisphenol A (BPA). The Zn/Al-LDH-QC/MWCNT morphology was examined by a transmission electron microscope and a scanning electron microscope. Electrochemical impedance spectroscopy was utilized to investigate the electrode interfacial properties. The electrochemical responses of the modified electrode towards BPA were thoroughly evaluated by using square-wave voltammetry technique. The electrode demonstrated three linear plots of BPA concentrations from 3.0 × 10<sup>−8</sup>⁻7.0 × 10<sup>−7</sup> M (<i>R</i><sup>2</sup> = 0.9876), 1.0 × 10<sup>−6</sup>⁻1.0 × 10<sup>−5</sup> M (<i>R</i><sup>2</sup> = 0.9836) and 3.0 × 10<sup>−5</sup>⁻3.0 × 10<sup>−4</sup> M (<i>R</i><sup>2</sup> = 0.9827) with a limit of detection of 4.4 × 10<sup>−9</sup> M. The electrode also demonstrated good reproducibility and stability up to one month. The presence of several metal ions and organic did not affect the electrochemical response of BPA. The electrode is also applicable for BPA determination in baby bottle and mineral water samples with a range of recovery between 98.22% and 101.02%. |
| first_indexed | 2024-04-13T08:48:01Z |
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| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-13T08:48:01Z |
| publishDate | 2019-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-ae5ca60e52cd44f5b2477a360ab0c8622022-12-22T02:53:36ZengMDPI AGSensors1424-82202019-02-0119494110.3390/s19040941s19040941Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol ARahadian Zainul0Nurashikin Abd Azis1Illyas Md Isa2Norhayati Hashim3Mohamad Syahrizal Ahmad4Mohamad Idris Saidin5Siriboon Mukdasai6Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Negeri Padang, West Sumatera 25171, IndonesiaDepartment of Chemistry, Faculty of Science and Mathemathics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, MalaysiaDepartment of Chemistry, Faculty of Science and Mathemathics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, MalaysiaDepartment of Chemistry, Faculty of Science and Mathemathics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, MalaysiaDepartment of Chemistry, Faculty of Science and Mathemathics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, MalaysiaDepartment of Chemistry, Faculty of Science and Mathemathics, Universiti Pendidikan Sultan Idris, Tanjong Malim 35900, Perak, MalaysiaDepartment of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, ThailandThis paper presents the application of zinc/aluminium-layered double hydroxide-quinclorac (Zn/Al-LDH-QC) as a modifier of multiwalled carbon nanotubes (MWCNT) paste electrode for the determination of bisphenol A (BPA). The Zn/Al-LDH-QC/MWCNT morphology was examined by a transmission electron microscope and a scanning electron microscope. Electrochemical impedance spectroscopy was utilized to investigate the electrode interfacial properties. The electrochemical responses of the modified electrode towards BPA were thoroughly evaluated by using square-wave voltammetry technique. The electrode demonstrated three linear plots of BPA concentrations from 3.0 × 10<sup>−8</sup>⁻7.0 × 10<sup>−7</sup> M (<i>R</i><sup>2</sup> = 0.9876), 1.0 × 10<sup>−6</sup>⁻1.0 × 10<sup>−5</sup> M (<i>R</i><sup>2</sup> = 0.9836) and 3.0 × 10<sup>−5</sup>⁻3.0 × 10<sup>−4</sup> M (<i>R</i><sup>2</sup> = 0.9827) with a limit of detection of 4.4 × 10<sup>−9</sup> M. The electrode also demonstrated good reproducibility and stability up to one month. The presence of several metal ions and organic did not affect the electrochemical response of BPA. The electrode is also applicable for BPA determination in baby bottle and mineral water samples with a range of recovery between 98.22% and 101.02%.https://www.mdpi.com/1424-8220/19/4/941bisphenol Asquare-wave voltammetrylayered double hydroxide nanocomposite |
| spellingShingle | Rahadian Zainul Nurashikin Abd Azis Illyas Md Isa Norhayati Hashim Mohamad Syahrizal Ahmad Mohamad Idris Saidin Siriboon Mukdasai Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A Sensors bisphenol A square-wave voltammetry layered double hydroxide nanocomposite |
| title | Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A |
| title_full | Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A |
| title_fullStr | Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A |
| title_full_unstemmed | Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A |
| title_short | Zinc/Aluminium–Quinclorac Layered Nanocomposite Modified Multi-Walled Carbon Nanotube Paste Electrode for Electrochemical Determination of Bisphenol A |
| title_sort | zinc aluminium quinclorac layered nanocomposite modified multi walled carbon nanotube paste electrode for electrochemical determination of bisphenol a |
| topic | bisphenol A square-wave voltammetry layered double hydroxide nanocomposite |
| url | https://www.mdpi.com/1424-8220/19/4/941 |
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