A strategy for As(III) determination based on ultrafine gold nanoparticles decorated on magnetic graphene oxide
Copyright © 2023 Elsevier Inc. All rights reserved..
In this work, a new dendrimer modified magnetic graphene oxide (GO) was used as a substrate for electrodeposition of Au nanoparticles. The modified magnetic electrode was employed for sensitive measuring of As(III) ion as a well-established human carcinogen. The prepared electrochemical device exhibits excellent activity towards As(III) detection using the square wave anodic stripping voltammetry (SWASV) protocol. At optimum conditions (deposition potential at -0.5 V for 100 s in 0.1 M acetate buffer with pH 5.0), a linear range from 1.0 to 125.0 μgL-1 with a low detection limit (calculated by S/N = 3) of 0.47 μg L-1 was obtained. In addition to the simplicity and sensitivity of the proposed sensor, its high selectivity against some major interfering agents, such as Cu(II) and Hg(II) makes it an appreciable sensing tool for the screening of As(III). In addition, the sensor revealed satisfactory results for detection of As(III) in different water samples, and the accuracy of obtained data were confirmed by inductively coupled plasma atomic emission spectroscopy (ICP-AES) setup. Accounting for the high sensitivity, remarkable selectivity and good reproducibility, the established electrochemical strategy has great potential for analysis of As(III) in environmental matrices.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:231 |
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| Enthalten in: |
Environmental research - 231(2023), Pt 2 vom: 15. Aug., Seite 116177 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Huazhong [VerfasserIn] |
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| Links: |
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| Themen: |
7440-57-5 |
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| Anmerkungen: |
Date Completed 19.06.2023 Date Revised 22.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.envres.2023.116177 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM35704245X |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 Elsevier Inc. All rights reserved. | ||
| 520 | |a In this work, a new dendrimer modified magnetic graphene oxide (GO) was used as a substrate for electrodeposition of Au nanoparticles. The modified magnetic electrode was employed for sensitive measuring of As(III) ion as a well-established human carcinogen. The prepared electrochemical device exhibits excellent activity towards As(III) detection using the square wave anodic stripping voltammetry (SWASV) protocol. At optimum conditions (deposition potential at -0.5 V for 100 s in 0.1 M acetate buffer with pH 5.0), a linear range from 1.0 to 125.0 μgL-1 with a low detection limit (calculated by S/N = 3) of 0.47 μg L-1 was obtained. In addition to the simplicity and sensitivity of the proposed sensor, its high selectivity against some major interfering agents, such as Cu(II) and Hg(II) makes it an appreciable sensing tool for the screening of As(III). In addition, the sensor revealed satisfactory results for detection of As(III) in different water samples, and the accuracy of obtained data were confirmed by inductively coupled plasma atomic emission spectroscopy (ICP-AES) setup. Accounting for the high sensitivity, remarkable selectivity and good reproducibility, the established electrochemical strategy has great potential for analysis of As(III) in environmental matrices | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a As(III) | |
| 650 | 4 | |a Au nanoparticles | |
| 650 | 4 | |a Magnetic electrode | |
| 650 | 4 | |a Stripping voltammetry | |
| 650 | 4 | |a Water sample | |
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| 700 | 1 | |a Amiri, Amirhasan |e verfasserin |4 aut | |
| 700 | 1 | |a Karimabadi, Fatemeh |e verfasserin |4 aut | |
| 700 | 1 | |a Nodehi, Marziyeh |e verfasserin |4 aut | |
| 700 | 1 | |a Fayazi, Maryam |e verfasserin |4 aut | |
| 700 | 1 | |a Maleki, Behrooz |e verfasserin |4 aut | |
| 700 | 1 | |a Zare, Ehsan Nazarzadeh |e verfasserin |4 aut | |
| 700 | 1 | |a Kaffash, Afsaneh |e verfasserin |4 aut | |
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