In situ preparation of core–shell magnetic porous aromatic framework nanoparticles for mixed–mode solid–phase extraction of trace multitarget analytes

Chen, Yanlong; Zhang, Wenfen; Zhang, Yanhao; Deng, Zhifen; Zhao, Wenjie; Du, Huifang; Xue, Ming; Yin, Dan; Xie, Fuwei; Chen, Yu; Zhang, Shusheng

doi:10.1016/j.chroma.2018.04.039

Cited by 53 publications

(24 citation statements)

References 54 publications

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“…The results show that PAF-6 has an excellent adsorption capability for BPA based on hydrogen bonding and the inclusion interactions of host-guest. At the same time, the PAF-6 coated magnetic nanoparticles (PAF-6 MNPs) 34 were prepared and used to enrich and remove the trace organic pollutants in water, and the main toxic component in mainstream smoke of cigarette, respectively. The results demonstrate that the PAF-6 MNPs sorbent possesses excellent adsorption of phenols, polycyclic aromatic hydrocarbons (PAHs) and nitroaromatics based on multiple π-π stacking and hydrogen-bond interactions.…”

Section: R a F Tmentioning

confidence: 99%

Simultaneous determination of three sulfanilamide artificial sweeteners in foodstuffs by capillary electrophoresis coupled with contactless conductivity detection based on porous aromatic frameworks enhanced solid phase extraction

et al. 2019

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In this paper, a simple and easy method of solid phase extraction (SPE) followed by capillary electrophoresis (CE) with capacitively coupled contactless conductivity detection (C4D) is evaluated as a novel approach for the simultaneous determination of acesulfame-K (ACE), sodium saccharin (SAC), and sodium cyclamate (CYC) in foodstuffs without derivatization. To reduce the complex matrix interference resulting from the constituents of samples and enriched targets, porous aromatic frameworks (PAFs) enhanced SPE, a suitable sample pretreatment procedure, was introduced. Several factors affecting extraction efficiency and electrophoretic separation were investigated. Additionally, the interaction mechanisms between the host (PAF-6) and guests (ACE, SAC, and CYC) were studied. Under the optimum conditions, three sulfanilamide artificial sweeteners were baseline separated within 8 min, exhibiting a linear calibration over two orders of magnitude (R2 > 0.995). The limits of detection (LOD) and quantification (LOQ) were considered better than those usually obtained by CE with ultraviolet and C4D detection. The proposed SPE–CE–C4D method has been successfully applied to analyse beverage samples and candied fruits with recoveries in the range of 78.89%–92.00%.

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Section: R a F Tmentioning

confidence: 99%

Simultaneous determination of three sulfanilamide artificial sweeteners in foodstuffs by capillary electrophoresis coupled with contactless conductivity detection based on porous aromatic frameworks enhanced solid phase extraction

et al. 2019

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“…Porous aromatic framework (PAF) coated magnetic nanoparticles have been prepared using cyanuric chloride as trigonal basis and piperazine as a linear linker . PAF has been created on the surface of Fe 3 O 4 @SiO 2 ‐NH 2 nanoparticles.…”

Section: Specialtiesmentioning

confidence: 99%

Recent advances in mixed‐mode chromatographic stationary phases

Sýkora

Řezanka

Záruba

et al. 2018

J of Separation Science

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Mixed‐mode phases have become very popular in the last decade, and the number of new mixed/multi‐mode sorbents is growing fast. Unlike single‐mode stationary phases, perfectly suited for the separation of the analytes possessing similar physicochemical properties, for instance reversed‐phase chromatography for hydrophobic solutes, mixed‐mode sorbents providing multimodal interactions can render better separation selectivity for complex mixtures of solutes differing significantly in their physicochemical characteristics. The most frequent modern mixed‐mode stationary phases are di/tri‐mode sorbents embracing the following interactions, hydrophobic, electrostatic (coulombic), and hydrophilic. According to their structures, it is possible to distinguish silica‐based, polymer‐based, hybrid, and monolithic mixed‐mode stationary phases. Herewith, newly synthesized mixed‐mode sorbents developed within the last two and half years are categorized, discussed, and summarized. The main attention is devoted to the description of the synthetic routes and characterization methods applied for the new stationary phases.

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“…In this process, magnetic nano‐materials are directly dispersed into sample solutions to adsorb the targets, and the materials in suspension can also be easily separated by an external magnet after adsorption. That makes the extraction procedure faster and simpler . MSPE is increasingly becoming the most frequently applied extraction technique due to the excellent performance .…”

Section: Introductionmentioning

confidence: 99%

Enrichment and determination of sixteen trace polycyclic aromatic hydrocarbons in barbecue smoke by using a continuous magnetic solid‐phase extraction and gas chromatography‐mass spectrometry

Pan

Zhang

Peng

et al. 2020

Separation Science Plus

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In this study, an innovative approach is proposed to predict the contribution of sixteen polycyclic aromatic hydrocarbons in barbecue smoke based on magnetic solid-phase extraction system and gas chromatography-mass spectrometry. In order to improve the detection limit of gas chromatography-mass spectrometry, a kinds of magnetic nanomaterial synthesized previously was used as a sorbent in magnetic solid-phase extraction. The recoveries ranged from 73.4% to 90.7%, and the limits of detection and limits of quantification were in the range 1.2-5.4 ng⋅L −1 and 3.7-16.4 ng⋅L −1 respectively. The method was successfully applied to the analysis of polycyclic aromatic hydrocarbons in smoke of the pork belly. The developed method could be potentially used for the assessing of polycyclic aromatic hydrocarbons profiles in environment pollution. K E Y W O R D Sgas chromatography-mass spectrometry, magnetic solid-phase extraction, polycyclic aromatic hydrocarbons Article Related

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In situ preparation of core–shell magnetic porous aromatic framework nanoparticles for mixed–mode solid–phase extraction of trace multitarget analytes

Cited by 53 publications

References 54 publications

Simultaneous determination of three sulfanilamide artificial sweeteners in foodstuffs by capillary electrophoresis coupled with contactless conductivity detection based on porous aromatic frameworks enhanced solid phase extraction

Simultaneous determination of three sulfanilamide artificial sweeteners in foodstuffs by capillary electrophoresis coupled with contactless conductivity detection based on porous aromatic frameworks enhanced solid phase extraction

Recent advances in mixed‐mode chromatographic stationary phases

Enrichment and determination of sixteen trace polycyclic aromatic hydrocarbons in barbecue smoke by using a continuous magnetic solid‐phase extraction and gas chromatography‐mass spectrometry

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