Amino-functional magnetic covalent organic framework as an effective adsorbent for the determination of neonicotinoids in food samples
© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature..
Recently, covalent organic frameworks have gained popularity in sample pretreatment. However, the application of covalent organic frameworks in the enrichment of hydrophilic compounds remains a challenge. Thus, a functionalized magnetic covalent organic framework equipped with amino groups was constructed using a bottom-up functionalization strategy. Considering the advantages of this novel adsorbent such as high porosity, large adsorption capacity, and hydrophilic surface, a sensitive magnetic solid-phase extraction coupled with high-performance liquid chromatography-tandem mass spectrometry method was established for the effective determination of neonicotinoids. This method exhibited good linearities with correlation coefficients ranging from 0.9983 to 0.9995, low detection limits in the range 0.003-0.009 ng g-1 and 0.001-0.013 ng mL-1, and limits of quantification in the range 0.010-0.031 ng g-1 and 0.004-0.044 ng mL-1. Furthermore, satisfactory repeatability with relative standard deviations ≤ 6.7% and spiked recoveries between 82.3 and 99.8% were obtained. This work not only provided a promising adsorbent for the sensitive determination of trace-level neonicotinoids but also represented a unique insight for effective enrichment of super hydrophilic hazards.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:191 |
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| Enthalten in: |
Mikrochimica acta - 191(2024), 4 vom: 26. März, Seite 220 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Xinyue [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 28.03.2024 Date Revised 08.04.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00604-024-06277-5 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Recently, covalent organic frameworks have gained popularity in sample pretreatment. However, the application of covalent organic frameworks in the enrichment of hydrophilic compounds remains a challenge. Thus, a functionalized magnetic covalent organic framework equipped with amino groups was constructed using a bottom-up functionalization strategy. Considering the advantages of this novel adsorbent such as high porosity, large adsorption capacity, and hydrophilic surface, a sensitive magnetic solid-phase extraction coupled with high-performance liquid chromatography-tandem mass spectrometry method was established for the effective determination of neonicotinoids. This method exhibited good linearities with correlation coefficients ranging from 0.9983 to 0.9995, low detection limits in the range 0.003-0.009 ng g-1 and 0.001-0.013 ng mL-1, and limits of quantification in the range 0.010-0.031 ng g-1 and 0.004-0.044 ng mL-1. Furthermore, satisfactory repeatability with relative standard deviations ≤ 6.7% and spiked recoveries between 82.3 and 99.8% were obtained. This work not only provided a promising adsorbent for the sensitive determination of trace-level neonicotinoids but also represented a unique insight for effective enrichment of super hydrophilic hazards | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Amino groups | |
| 650 | 4 | |a Bottom-up functionalization | |
| 650 | 4 | |a HPLC-MS | |
| 650 | 4 | |a Magnetic covalent organic framework | |
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| 650 | 4 | |a Neonicotinoids | |
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| 700 | 1 | |a Zhang, Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiujuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Feifang |e verfasserin |4 aut | |
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