Highly selective colorimetric determination of glutathione based on sandwich-structured nanoenzymes composed of gold nanoparticle–coated molecular imprinted metal–organic frameworks

Lu, Xiaolin; Yan, Liqiu; Zhou, Xiaoxue; Qu, Tingli

doi:10.1007/s00604-023-06167-2

Microchim Acta

2024

DOI: 10.1007/s00604-023-06167-2

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Highly selective colorimetric determination of glutathione based on sandwich-structured nanoenzymes composed of gold nanoparticle–coated molecular imprinted metal–organic frameworks

Xiaolin Lu,

Liqiu Yan,

Xiaoxue Zhou

et al.

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Cited by 3 publications

References 29 publications

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Molecularly and ionically imprinted polymers-based chemical sensors in chemical assays

Su,

Ren,

Maimaitikelimu

et al. 2024

Chemical Engineering Journal

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Molecularly and ionically imprinted polymers-based chemical sensors in chemical assays

Su,

Ren,

Maimaitikelimu

et al. 2024

Chemical Engineering Journal

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Near-infrared fluorescent probe for selective and sensitive detection of glutathione based on thioctic acid-functionalized Ag/Au NCs-assisted by ferric ion

Alqahtani,

Mahmoud,

Medleri Khateeb

et al. 2024

Microchemical Journal

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Development of Magnetic Porous Polymer Composite for Magnetic Solid Phase Extraction of Three Fluoroquinolones in Milk

Yu,

Xu,

Lin

et al. 2024

Foods

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In this study, a magnetic porous polymer composite with both hydrophilic and hydrophobic groups was synthesized for magnetic solid phase extraction (MSPE) of milk substrates. Optimization was conducted on various parameters, including adsorption dose, solution pH, adsorption time, and some elution conditions. Coupled with a high-performance liquid chromatography fluorescence detector, a novel MSPE method for determination of norfloxacin (NFX), ciprofloxacin (CIP), and enrofloxacin (ENR) in milk was developed based on magnetic metal organic framework polystyrene polymer (Fe3O4@MOF@PLS) as adsorbent. The Fe3O4@MOF@PLS exhibited significantly improved adsorption performance compared to MOF and PLS. Under optimized experimental conditions, the method exhibited good linearity for the three fluoroquinolones (FQs) in the range of 0.5–1000 μg/kg, with limit of detections (LODs) ranging from 0.21 to 1.33 μg/kg, and limit of quantitations (LOQs) from 0.71 to 4.42 μg/kg. The relative standard deviation (RSD) for the three FQs were 3.4–8.8%. The recoveries of three FQs in milk samples ranged from 84.2% to 106.2%. This method was successfully applied to the detection of three FQs in 20 types of milk, demonstrating its simplicity, speed, and effectiveness in analyte enrichment and separation. The method presented advantages in adsorbent dosage, adsorption time, LODs, and LOQs, making it valuable for the analysis and detection of FQs in milk.

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Highly selective colorimetric determination of glutathione based on sandwich-structured nanoenzymes composed of gold nanoparticle–coated molecular imprinted metal–organic frameworks

Cited by 3 publications

References 29 publications

Molecularly and ionically imprinted polymers-based chemical sensors in chemical assays

Molecularly and ionically imprinted polymers-based chemical sensors in chemical assays

Near-infrared fluorescent probe for selective and sensitive detection of glutathione based on thioctic acid-functionalized Ag/Au NCs-assisted by ferric ion

Development of Magnetic Porous Polymer Composite for Magnetic Solid Phase Extraction of Three Fluoroquinolones in Milk

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