Development of a SPE/GC–MS method for the determination of organophosphorus pesticides in food samples using syringe filters packed by GNP/MIL-101(Cr) nanocomposite

Moinfar, Soleyman; Khodayari, Ali; Abdulrahman, Shamiran Salih; Aghaei, Ali; Sohrabnezhad, Sh.; Jamil, Lazgin A.

doi:10.1016/j.foodchem.2021.130997

Cited by 46 publications

(15 citation statements)

References 45 publications

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“…4 D that the sample recovery rates at the pH of 5.0 and 6.0 were better than other recoveries. In this study, the four selected and tested OPPs all contain phosphorothioate structures, which are easily converted into corresponding phosphoric acid and alcohol in acidic (pH less than 4) and alkaline (pH > 8) solutions ( Moinfar, Khodayari, Abdulrahman, Aghaei, Sohrabnezhad & Jamil, 2022 ). Therefore, the solution pH was adjusted to 6.0 in subsequent experiments.…”

Section: Resultsmentioning

confidence: 99%

Determination of organophosphorus in dairy products by graphitic carbon nitride combined molecularly imprinted microspheres with ultra performance liquid chromatography

Pan

Liu²,

Liu³

et al. 2022

Food Chemistry: X

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Section: Resultsmentioning

confidence: 99%

Determination of organophosphorus in dairy products by graphitic carbon nitride combined molecularly imprinted microspheres with ultra performance liquid chromatography

Pan

Liu²,

Liu³

et al. 2022

Food Chemistry: X

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“…Solid-phase extraction (SPE), a sample pretreatment method, has been widely used to pretreat pesticides, antibiotics, and other chemical products [ 6 , 7 , 8 ] due to its excellent advantages, such as high efficiency and easy operation [ 9 ]. Additionally, the adsorption efficiency of SPE mainly depends on the interactions between packing adsorbents and analytes [ 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Cu-Doped Boron Nitride Nanosheets for Solid-Phase Extraction and Determination of Rhodamine B in Foods Matrix

Liu¹,

Zhou

et al. 2022

Nanomaterials

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Cu-doped boron nitride nanosheets (Cu-BNNS) were first reported as promising adsorbents for the solid-phase extraction and determination of rhodamine B (RhB) dye in a food matrix. Different characterizations, including XRD, FTIR, XPS, SEM, and TEM, were performed to confirm the formation of the adsorbent. Then, the adsorption performance of Cu-BNNS was investigated by adsorption kinetics, isotherms, and thermodynamics. Multiple extraction parameters were optimized by single-factor experiments. Under optimized conditions, the recoveries in the food matrix were in the range of 89.8–95.4%, with the spiked levels of 100 ng/mL and 500 ng/mL, respectively. This novel system was expected to have great potential to detect RhB in a wide variety of real samples.

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“…Many analytical techniques such as HPLC [6,7], GC [8], HPLC-MS [9], and GC-MS [10][11][12] have been applied for the measurement of pesticides. Due to complexity of real samples as well as the trace amount of analytes, analysis of real samples is always difficult, tedious, and laborious.…”

Section: Introductionmentioning

confidence: 99%

Riboflavin as a green sorbent in dispersive micro‐solid‐phase extraction of several pesticides from fruit juices combined with dispersive liquid–liquid microextraction

Abasalizadeh

Sorouraddin

Farajzadeh

et al. 2022

J of Separation Science

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A vortex‐assisted dispersive micro‐solid‐phase extraction procedure using a new and green sorbent was developed as a simple, fast, and efficient sample preparation method for the extracting five pesticides in several fruit juice samples. In this study, for the first time, riboflavin was used as an efficient sorbent. A few milligrams of riboflavin was directly added into the aqueous solution containing the analytes to adsorb them. After adsorption the analytes, they were desorbed and more concentrated by a dispersive liquid–liquid microextraction procedure. The influence of several effective parameters such as amount of riboflavin, pH, vortex time, eluent nature and volume, and extraction solvent type and volume on the extraction efficiency was investigated. In optimal conditions, linear ranges of the calibration curves were broad. The limits of detection and quantification were attained in the ranges of 0.56–1.5 and 1.9–0.52 ng mL−1, respectively. The proposed method demonstrated to be suitable for concurrent extraction of the studied pesticides in various fruit juice samples with high enrichment factors (320–360) and precision (relative standard deviation ≤7.8% for intra‐ [n = 6] and interday [n = 4] precisions at a concentration of 25 ng mL−1 of each pesticide).

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Development of a SPE/GC–MS method for the determination of organophosphorus pesticides in food samples using syringe filters packed by GNP/MIL-101(Cr) nanocomposite

Cited by 46 publications

References 45 publications

Determination of organophosphorus in dairy products by graphitic carbon nitride combined molecularly imprinted microspheres with ultra performance liquid chromatography

Determination of organophosphorus in dairy products by graphitic carbon nitride combined molecularly imprinted microspheres with ultra performance liquid chromatography

Cu-Doped Boron Nitride Nanosheets for Solid-Phase Extraction and Determination of Rhodamine B in Foods Matrix

Riboflavin as a green sorbent in dispersive micro‐solid‐phase extraction of several pesticides from fruit juices combined with dispersive liquid–liquid microextraction

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