Digital image colorimetry in combination with chemometrics for the detection of carbaryl based on the peroxidase-like activity of nanoporphyrins and the etching process of gold nanoparticles
Copyright © 2022 Elsevier Ltd. All rights reserved..
Carbaryl is a typical carbamate pesticide that plays an essential role in agricultural production, but its residues cause serious harm to the environment and human health. Here, we developed a polychromatic colorimetric sensor based on ZnTPyP-DTAB peroxidase activity and gold nano-bipyramids (Au NBPs) etching to detect carbaryl. ZnTPyP-DTAB catalyzes the decomposition of H2O2 to hydroxyl radicals, and Au NBPs are etched. The coordination of zinc and nitrogen in nanometer porphyrins was affected by the steric effects of carbaryl, which resulted in decreased activity of ZnTPyP-DTAB peroxidase. The detection limit of carbaryl was 0.26 mg/kg. The recoveries of carbaryl in reaal sample ranged from 91 % to 107% (RSD ≤ 0.7%). The sensor platform displayed a series of high-resolution multicolor variations of rainbow colors within the above concentration range. The rich color variation facilitates the acquisition of digital images. RGB value transformation combined with partial least squares regression model can accurately and quantitatively detect carbaryl in vegetables, fruits and Chinese medicinal materials.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:394 |
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| Enthalten in: |
Food chemistry - 394(2022) vom: 15. Nov., Seite 133495 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Deng, Gaoqiong [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 19.07.2022 Date Revised 26.07.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.foodchem.2022.133495 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2022 Elsevier Ltd. All rights reserved. | ||
| 520 | |a Carbaryl is a typical carbamate pesticide that plays an essential role in agricultural production, but its residues cause serious harm to the environment and human health. Here, we developed a polychromatic colorimetric sensor based on ZnTPyP-DTAB peroxidase activity and gold nano-bipyramids (Au NBPs) etching to detect carbaryl. ZnTPyP-DTAB catalyzes the decomposition of H2O2 to hydroxyl radicals, and Au NBPs are etched. The coordination of zinc and nitrogen in nanometer porphyrins was affected by the steric effects of carbaryl, which resulted in decreased activity of ZnTPyP-DTAB peroxidase. The detection limit of carbaryl was 0.26 mg/kg. The recoveries of carbaryl in reaal sample ranged from 91 % to 107% (RSD ≤ 0.7%). The sensor platform displayed a series of high-resolution multicolor variations of rainbow colors within the above concentration range. The rich color variation facilitates the acquisition of digital images. RGB value transformation combined with partial least squares regression model can accurately and quantitatively detect carbaryl in vegetables, fruits and Chinese medicinal materials | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Carbaryl | |
| 650 | 4 | |a Digital image colorimetry | |
| 650 | 4 | |a Etching | |
| 650 | 4 | |a Noble metal nanoparticles | |
| 650 | 4 | |a Partial least squares regression | |
| 650 | 7 | |a Metalloporphyrins |2 NLM | |
| 650 | 7 | |a Porphyrins |2 NLM | |
| 650 | 7 | |a Zinc Compounds |2 NLM | |
| 650 | 7 | |a zinc 5, 10, 15, 20-tetra(4-pyridyl)-21H-23H-porphine |2 NLM | |
| 650 | 7 | |a Gold |2 NLM | |
| 650 | 7 | |a 7440-57-5 |2 NLM | |
| 650 | 7 | |a Hydrogen Peroxide |2 NLM | |
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| 650 | 7 | |a Peroxidase |2 NLM | |
| 650 | 7 | |a EC 1.11.1.7 |2 NLM | |
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| 650 | 7 | |a R890C8J3N1 |2 NLM | |
| 700 | 1 | |a Wang, Shuo |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Hengye |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Lixue |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Ke |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Liuna |e verfasserin |4 aut | |
| 700 | 1 | |a Long, Wanjun |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Lanping |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Xiaole |e verfasserin |4 aut | |
| 700 | 1 | |a She, Yuanbin |e verfasserin |4 aut | |
| 700 | 1 | |a Fu, Haiyan |e verfasserin |4 aut | |
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