Fabrication of highly fluorinated porphyrin-based covalent organic frameworks decorated Fe3O4 nanospheres for magnetic solid phase extraction of fluoroquinolones

Zhang, Juan; Chen, Zhipeng; Tang, Furong; Wu, Fengshou; Luo, Xiaogang; Liu, Genyan

doi:10.1007/s00604-022-05541-w

Cited by 18 publications

(1 citation statement)

References 39 publications

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“…The reaction mixture was placed in a constant temperature oscillator and shaken at room temperature for magnetic solid phase extraction. 25 After completion of the reaction, the magnetic MOF material in the reaction mixture was separated using magnets, and the supernatant was discarded. Elution with an eluent was performed, followed by another round of magnetic separation to collect all the eluate.…”

Section: Methodsmentioning

confidence: 99%

Novel advanced materials and magnetic solid phase extraction as approaches in sample preparation to enhance the analysis of ochratoxin A in peanuts

Wang,

Zhang

et al. 2024

Anal. Methods

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Section: Methodsmentioning

confidence: 99%

Novel advanced materials and magnetic solid phase extraction as approaches in sample preparation to enhance the analysis of ochratoxin A in peanuts

Wang,

Zhang

et al. 2024

Anal. Methods

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Suspended Stir Bar Sorptive Extraction Based on Zr‐MOF‐Modified Cotton Thread for Enrichment and Detection of Three Trace Quinolones in Fish Tissue

Long,

Gao,

Sheng

et al. 2024

Electrophoresis

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In this study, an efficient and practical method was established to enrich and detect three trace quinolones in fish tissue. Low‐cost and environment‐friendly cotton threads were coated with PCN‐224 using a simple one‐pot hydrothermal method. The PCN‐224‐modified cotton threads (PCN‐224@CTs) were characterized to ensure that the crystal was successfully fabricated on the surface of cotton threads. The prepared PCN‐224@CTs were wrapped around steel needles to form suspended bars. Key factors of extraction and desorption were optimized, and analytical performance was tested. Suspended bar sorptive extraction coupled with ultra‐performance liquid chromatography (UPLC) with a photodiode array detector was used to analyze the quinolones in fish tissue. The detection limits of quinolones were 0.26–1.15 ng/mL, and the recoveries were achieved in the range of 81.31%–115.81%, indicating a simple method with high sensitivity and satisfactory practicability of enriching, separating, and detecting trace quinolones was successfully established.

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Covalent organic framework in situ grown on the metal–organic framework as fiber coating for solid-phase microextraction of polycyclic aromatic hydrocarbons in tea

Xu,

Hu,

Luo

et al. 2023

Microchim Acta

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Fabrication of highly fluorinated porphyrin-based covalent organic frameworks decorated Fe3O4 nanospheres for magnetic solid phase extraction of fluoroquinolones

Cited by 18 publications

References 39 publications

Novel advanced materials and magnetic solid phase extraction as approaches in sample preparation to enhance the analysis of ochratoxin A in peanuts

Novel advanced materials and magnetic solid phase extraction as approaches in sample preparation to enhance the analysis of ochratoxin A in peanuts

Suspended Stir Bar Sorptive Extraction Based on Zr‐MOF‐Modified Cotton Thread for Enrichment and Detection of Three Trace Quinolones in Fish Tissue

Covalent organic framework in situ grown on the metal–organic framework as fiber coating for solid-phase microextraction of polycyclic aromatic hydrocarbons in tea

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