Magnetic solid-phase extraction of triazole fungicides based on magnetic porous carbon prepared by combustion combined with solvothermal method

Han, Xiaofei; Jia, Chen; Li, Zhan; Quan, Kaijun; Qiu, Hongdeng

doi:10.1016/j.aca.2020.06.077

Cited by 44 publications

(13 citation statements)

References 46 publications

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“…They are commonly applied in the cultivation and postharvest storage of crops to protect them from fungal infections [ 3 , 4 ]. However, they may disturb endocrine activities, and have induced developmental toxicity in animals and human health [ 5 ]. For this reason, a reliable and effective method is still needed for the determination of triazole fungicides in various matrices.…”

Section: Introductionmentioning

confidence: 99%

An In Situ Formation of Ionic Liquid for Enrichment of Triazole Fungicides in Food Applications Followed by HPLC Determination

et al. 2022

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An in situ formation of ionic liquid was used for preconcentration of four triazole fungicides in food samples. The microextraction method was used for the first time in the literature for preconcentration of triazole fungicides. In the developed method, tributylhexadecylphosphonium bromide ([P44412]Br) and potassium hexafluorophosphate (KPF6) were used for the formation of hydrophobic ionic liquid. After centrifugation, the fine microdroplets were produced in one step, providing the extraction step in a quick and environmentally friendly manner. The functional group of the hydrophobic ionic liquid was investigated using FT-IR. Various extraction parameters were studied and optimized. In the extraction method, 0.01 g of [P44412]Br and 0.01 g of KPF6, centrifugation at 4500 rpm for 10 min were used. The optimized technique provided a good linear range (90–1000 g L−1) and high extraction recovery, with a low limit of detection (30–50 g L−1). Methods for the proposed in situ formation of ionic liquid were successfully applied to honey, fruit juice, and egg matrices. The recoveries were obtained in a satisfactory range of 62–112%. The results confirmed the suitability of the proposed microextraction method for selective extraction and quantification of triazole fungicides.

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Section: Introductionmentioning

confidence: 99%

An In Situ Formation of Ionic Liquid for Enrichment of Triazole Fungicides in Food Applications Followed by HPLC Determination

et al. 2022

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“…Over the past decades, a variety of nanomaterials have been employed as adsorbents in sample preparation [11–14]. Some nanostructured metal oxides have been frequently used as fiber coatings in practical SPME applications and are considered to be one of the most promising coating materials for the development of novel SPME fibers [15–17].…”

Section: Introductionmentioning

confidence: 99%

“…Since metallic fiber supports are unbreakable and chemically inert, various methods, such as sol-gel coating [8], electrodeposition [9], and hydrothermal method [10], were developed for the preparation of the metal-based SPME fibers to improve their extraction performance and stability. Over the past decades, a variety of nanomaterials have been employed as adsorbents in sample preparation [11][12][13][14]. Some nanostructured metal oxides have been frequently used as fiber coatings in practical SPME applications and are considered to be one of the most promising coating materials for the development of novel SPME fibers [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Selective solid‐phase microextraction of polycyclic aromatic hydrocarbons in water based on oriented phosphorus‐containing titanium oxide nanofibers grown on titanium support prior to high‐performance liquid chromatography with ultraviolet detection

Kang

Chang

Wang

et al. 2022

J of Separation Science

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A novel solid-phase microextraction coating of phosphorous-containing titanium oxide composite was developed using titanium fiber as a support and a titanium source by hydrothermal oxidation in a phosphoric acid solution containing hydrogen peroxide. The morphology of the fiber coatings was controlled by the conditions of the hydrothermal oxidation reaction. The oriented nanofiber coating was employed to extract several types of representative aromatic analytes. The experimental results demonstrated that the as-prepared fiber exhibited excellent extraction efficiency toward polycyclic aromatic hydrocarbons. Combined with high-performance liquid chromatography with ultraviolet detection, main extraction conditions were optimized, including pH, ionic strength, extraction temperature, stirring rate, extraction time and desorption time. The established method presented good linearity from 0.05 to 200 μg/L with limit of detection ranging from 0.012 to 0.126 μg/L. This convenient and green procedure was suitable for the selective extraction and determination of typical polycyclic aromatic hydrocarbons in environmental water samples. The relative recoveries of 85.8-112% were obtained for the determination of target polycyclic aromatic hydrocarbons in water samples spiked with 5.0 and 15.0 μg/L. Moreover, the asprepared fiber showed at least 210 extraction/desorption cycles due to its high mechanical and chemical stability.

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“…Therefore, it is suitable for adsorption of pollutants in the biological and aquatic environment, but it is difficult to separate them directly from the aquatic environment. Magnetic separation is a method that can quickly separate the adsorbent and sample with the help of an external magnetic field, without time-consuming operations such as filtration and centrifugation . Magnetic adsorbents are apt to recycle and reuse.…”

Section: Introductionmentioning

confidence: 99%

“…Magnetic separation is a method that can quickly separate the adsorbent and sample with the help of an external magnetic field, without time-consuming operations such as filtration and centrifugation. 23 Magnetic adsorbents are apt to recycle and reuse. Therefore, an adsorbent loaded with magnetic materials is more attractive and has become one of the economic and environmental protection materials for removing environmental pollutants.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Fe/Ni Bimetallic Oxide Porous Graphene Composite Materials for Efficient Adsorption and Removal of Sulfonamides

et al. 2021

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An iron−nickel bimetallic oxide porous graphene composite material (Fe/Ni-PG) was prepared by a simple partial combustion method, which can be used to effectively remove sulfonamides (SAs) from an aqueous solution. The adsorption performance of Fe/Ni-PG, Fe-PG, and Ni-PG on six kinds of SAs was compared, and the influence of time, temperature, pH, and initial concentration of SAs on the adsorption behavior of SAs of Fe/Ni-PG in an aqueous solution was studied. The adsorption kinetics and thermodynamics exhibited that the Langmuir model and pseudo-second-order kinetics model can describe the adsorption isotherm and kinetics. The maximum adsorption capacities of sulfadiazine (SD), sulfamerazine (SM), sulfamethazine (SDM), sulfathiazole (STZ), sulfapyridine (SPD), and sulfisoxazole (SIZ) calculated by the Langmuir model were 26.3, 50.3, 42.2, 27.3, 34.5, and 41.7 mg/g, respectively, which exceeded those of most reported adsorbents. In the adsorption process, hydrogen bonding, π−π electron donor−acceptor, electrostatic interaction, and bimetallic synergies play a major role, and the entire adsorption process is spontaneously endothermic. In addition, the material has excellent stability, and the Fe/Ni-PG after desorption is consistent with the raw material. This work provides a favorable way for the removal of SAs in the environment.

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Magnetic solid-phase extraction of triazole fungicides based on magnetic porous carbon prepared by combustion combined with solvothermal method

Cited by 44 publications

References 46 publications

An In Situ Formation of Ionic Liquid for Enrichment of Triazole Fungicides in Food Applications Followed by HPLC Determination

An In Situ Formation of Ionic Liquid for Enrichment of Triazole Fungicides in Food Applications Followed by HPLC Determination

Selective solid‐phase microextraction of polycyclic aromatic hydrocarbons in water based on oriented phosphorus‐containing titanium oxide nanofibers grown on titanium support prior to high‐performance liquid chromatography with ultraviolet detection

Preparation of Fe/Ni Bimetallic Oxide Porous Graphene Composite Materials for Efficient Adsorption and Removal of Sulfonamides

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