Hydrothermal synthesis of functionalized magnetic MIL-101 for magnetic enrichment of estrogens in environmental water samples

Huang, Yan-Feng; Liu, Min; Wang, Yanqi; Liu, Ying; Zhang, Jimei; Huo, Shuhui

doi:10.1039/c5ra23132a

Cited by 42 publications

(15 citation statements)

References 30 publications

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“…In addition, not only was the absorbent conveniently separated within a few seconds through magnetic properties but also the analytes could easily be eluted in 4 min, indicating that the present method is simple and time-saving. Besides, unlike other magnetic materials, Fe 3 O 4 nanoparticles unmodified were directly attached to the surface of MIL-101(Cr) in our work, which greatly reduces the synthesis steps and facilitates the preparation of large quantities [22,30]. In addition, LODs of the present method were lower than those of most other previously reported methods.…”

Section: Comparison Of Methodsmentioning

confidence: 99%

One‐step synthesized magnetic MIL‐101(Cr) for effective extraction of triazine herbicides from rice prior to determination by liquid chromatography‐tandem mass spectrometry

Jiang

Piao

Qin

et al. 2019

J of Separation Science

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The magnetic metal‐organic framework MIL‐101(Cr) material‐based solid‐phase extraction method coupled with high‐performance liquid chromatography and tandem mass spectrometry was applied to extract seven triazine herbicides in rices. Fe3O4/MIL‐101(Cr) was synthesized using reduction‐precipitation method, in which steps including pre‐synthesis and modification of Fe3O4 nanoparticles were by‐passed. Various parameters including extraction solvent type and volume, ultrasonic extraction time, amount of Fe3O4/MIL‐101(Cr) microspheres, adsorption time, desorption volume and time were investigated. Under optimal conditions, the proposed method had the limit of detection (S/N = 3) and the limit of quantification (S/N = 10) of 1.08–18.10 and 3.60–60.20 pg/g, respectively. Relative standard deviations calculated for all herbicides with concentrations of 2 and 20 ng/g were in the range of 0.5 to 13% (n = 3). In addition, at the two above‐mentioned concentrations, the method achieved relative recoveries percentages of 79.3 to 116.7% when applied to determine the triazine herbicides in real samples spiked. This rapid, green, non‐polluting, pre‐concentrated extraction method was successfully developed and applied to analyze herbicides in rice samples.

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Section: Comparison Of Methodsmentioning

confidence: 99%

One‐step synthesized magnetic MIL‐101(Cr) for effective extraction of triazine herbicides from rice prior to determination by liquid chromatography‐tandem mass spectrometry

Jiang

Piao

Qin

et al. 2019

J of Separation Science

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“…The material and detection method were handy practical and suitable for an enormous spread of MOF materials and retained the embedded MOFs original properties. Huang [201] reported a one-pot method to synthesize the magnetic MIL-101 composites As magnetic solid-phase extraction materials for preconcentration of estrone (E1), 17β-estradiol (E2), estriol (E3) and × (BPA) within the range of 0.2-100 µg L −1 and low detection limits of 0.06-0.22 µg L −1 .…”

Section: Hormonesmentioning

confidence: 99%

Recent Progress on Luminescent Metal-Organic Framework-Involved Hybrid Materials for Rapid Determination of Contaminants in Environment and Food

et al. 2020

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The high speed of contaminants growth needs the burgeoning of new analytical techniques to keep up with the continuous demand for monitoring and legislation on food safety and environmental pollution control. Metal-organic frameworks (MOFs) are a kind of advanced crystal porous materials with controllable apertures, which are self-assembled by organic ligands and inorganic metal nodes. They have the merits of large specific surface areas, high porosity and the diversity of structures and functions. Latterly, the utilization of metal-organic frameworks has attracted much attention in environmental protection and the food industry. MOFs have exhibited great value as sensing materials for many targets. Among many sensing methods, fluorometric sensing is one of the widely studied methods in the detection of harmful substances in food and environmental samples. Fluorometric detection based on MOFs and its functional materials is currently one of the most key research subjects in the food and environmental fields. It has gradually become a hot research direction to construct the highly sensitive rapid sensors to detect harmful substances in the food matrix based on metal-organic frameworks. In this paper, we introduced the synthesis and detection application characteristics (absorption, fluorescence, etc.) of metal-organic frameworks. We summarized their applications in the MOFs-based fluorometric detection of harmful substances in food and water over the past few years. The harmful substances mainly include heavy metals, organic pollutants and other small molecules, etc. On this basis, the future development and possible application of the MOFs have prospected in this review paper.

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“…Conversely, it is an excellent way to add the MNPs which has been previously formed to the solution containing the inorganic metal ions and organic ligands of the desired MOFs. According to the structure of the MFCs, this idea can be divided into: embedding method, Layer‐by‐Layer (LbL) growth method and encapsulation method . Among them, the LbL method can obtain MFCs having a core–shell structure, and usually can control the size.…”

Section: Preparation Magnetic Framework Compositesmentioning

confidence: 99%

Recent Advances in Preparation and Applications of Magnetic Framework Composites

Yao

Jiang

2019

Chemistry An Asian Journal

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Metal-organic frameworks (MOFs)o ffer ample characteristics, such as easy synthesis, high surface area, tunable porosities, open metal sites, post-synthesis modification, making them attractive for diverse applications. Since magnetic particles can be positioned and separated by a magnetic field, magnetic framework composites (MFCs)h ave attracted tremendous attention.I nt his review,d ifferent methods of preparingM FCs, including direct mixing, in-situ growth of magnetic particles, embedding method, layer-bylayer growth method and encapsulationm ethod, will be discussed in detail. Moreover,t heir applications in catalysis, adsorption, biomedicine and sensing will also be introduced.

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Hydrothermal synthesis of functionalized magnetic MIL-101 for magnetic enrichment of estrogens in environmental water samples

Abstract: Three functionalized magnetic MIL-101 composites were synthesized by a simple one-pot method and exhibited certain differences in extraction efficiency of target estrogens.

Cited by 42 publications

References 30 publications

One‐step synthesized magnetic MIL‐101(Cr) for effective extraction of triazine herbicides from rice prior to determination by liquid chromatography‐tandem mass spectrometry

One‐step synthesized magnetic MIL‐101(Cr) for effective extraction of triazine herbicides from rice prior to determination by liquid chromatography‐tandem mass spectrometry

Recent Progress on Luminescent Metal-Organic Framework-Involved Hybrid Materials for Rapid Determination of Contaminants in Environment and Food

Recent Advances in Preparation and Applications of Magnetic Framework Composites

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