Articles with "dispersive micro" as a keyword



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Dispersive micro-solid-phase extraction using carbon-based adsorbents for the sensitive determination of verapamil in plasma samples coupled with capillary electrophoresis.

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Published in 2017 at "Journal of separation science"

DOI: 10.1002/jssc.201700385

Abstract: A dispersive micro-solid-phase extraction procedure coupled with capillary electrophoresis ultraviolet detection was developed for determination of verapamil in plasma samples. Graphene oxide/polydopamin was synthesized by a one-step polymerization method, and graphene oxide/Fe3 O4 (magnetic graphene… read more here.

Keywords: phase extraction; micro solid; solid phase; plasma samples ... See more keywords
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Polypyrrole-magnetite dispersive micro-solid-phase extraction combined with ultraviolet-visible spectrophotometry for the determination of rhodamine 6G and crystal violet in textile wastewater.

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Published in 2017 at "Journal of separation science"

DOI: 10.1002/jssc.201700659

Abstract: Polypyrrole-magnetite dispersive micro-solid-phase extraction method combined with ultraviolet-visible spectrophotometry was developed for the determination of selected cationic dyes in textile wastewater. Polypyrrole-magnetite was used as adsorbent due to its thermal stability, magnetic properties, and ability… read more here.

Keywords: extraction; micro solid; solid phase; polypyrrole magnetite ... See more keywords
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An automated magnetic dispersive micro-solid phase extraction in a fluidized reactor for the determination of fluoroquinolones in baby food samples.

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Published in 2018 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.11.065

Abstract: An automated magnetic dispersive micro-solid phase extraction procedure in a fluidized reactor was developed for the determination of fluoroquinolone antimicrobial drugs (fleroxacin, norfloxacin and ofloxacin) in meat-based baby food samples. A stepwise injection system was… read more here.

Keywords: phase; magnetic dispersive; determination; micro solid ... See more keywords
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Determination of toxic heavy metals in fish samples using dispersive micro solid phase extraction combined with inductively coupled plasma optical emission spectroscopy.

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Published in 2020 at "Food chemistry"

DOI: 10.1016/j.foodchem.2020.128916

Abstract: Monitoring of toxic heavy metals in fish samples is a matter of a great importance from the nutritional and toxicological points of view. A dispersive micro solid phase extraction (dµSPE) for preconcentration of trace Pb,… read more here.

Keywords: fish samples; heavy metals; metals fish; spectroscopy ... See more keywords
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A method for a comprehensive lipidomic analysis of flaxseed (Linum usitatissimum) with the use of LC-Q-TOF-MS and dispersive micro-solid-phase (μDSPE) extraction.

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Published in 2022 at "Food chemistry"

DOI: 10.1016/j.foodchem.2022.132290

Abstract: Flaxseed (FS) is one of the richest sources of α-linolenic acid oil and lignans, and it is suggested that the consumption of flaxseed may contribute to the prevention of certain chronic diseases such as many… read more here.

Keywords: phase; method; dispersive micro; use tof ... See more keywords
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Determination of morphine, codeine, and thebaine concentrations from poppy seed tea using magnetic carbon nanotubes facilitated dispersive micro-solid phase extraction and GC-MS analysis.

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Published in 2021 at "Forensic science international"

DOI: 10.1016/j.forsciint.2021.111052

Abstract: With tightening enforcement and restrictions amid the opioid epidemic, poppy seed tea is consumed as an alternative to mitigate the withdrawal symptoms or as a home remedy to relieve pain and stress. Previously published studies… read more here.

Keywords: poppy seed; seed; analysis; tea ... See more keywords
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Enhanced strain delocalization through formation of dispersive micro shear bands in laminated Ni

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Published in 2020 at "International Journal of Plasticity"

DOI: 10.1016/j.ijplas.2020.102745

Abstract: Abstract Nanocrystalline metals usually exhibit limited ductility due to catastrophic shear fracture caused by the preferential formation of a few premature shear bands during tensile deformation. In this work, the tensile and fracture behavior of… read more here.

Keywords: soft layers; fracture; micro shear; grain ... See more keywords
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A simple determination of trace mercury concentrations in natural waters using dispersive Micro-Solid phase extraction preconcentration based on functionalized graphene nanosheets

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Published in 2020 at "Microchemical Journal"

DOI: 10.1016/j.microc.2019.104549

Abstract: Abstract In this work, we developed an innovative analytical method for the trace and ultra-trace determination of total mercury (Hg) concentration in natural water samples (fresh and seawaters). In this method, Dispersive Micro-Solid Phase Extraction… read more here.

Keywords: extraction; trace; water; micro solid ... See more keywords
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Zinc ferrite as a magnetic sorbent for the dispersive micro solid-phase extraction of sulfonamides and their determination by HPLC

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Published in 2020 at "Microchemical Journal"

DOI: 10.1016/j.microc.2020.104670

Abstract: Abstract In this study, the use of zinc ferrites in a magnetic, ultrasound-assisted dispersive micro solid-phase extraction procedure for the determination of sulfonamides is developed. Zinc ferrites can efficiently and selectively extract sulfonamides from environmental… read more here.

Keywords: extraction; zinc; micro solid; determination ... See more keywords
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Detection of tetracycline antibiotics in water by dispersive micro-solid phase extraction using Fe3O4@[Cu3(btc)2] magnetic composite combined with liquid chromatography-tandem mass spectrometry

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Published in 2021 at "Chinese Journal of Chemical Physics"

DOI: 10.1063/1674-0068/cjcp2004046

Abstract: Residues of tetracycline antibiotics (TCs) in environments may be harmful to human. Due to their high polarities, it is extremely challenging to efficiently enrich TCs with low concentrations in natural waters for analysis. In this… read more here.

Keywords: extraction; micro solid; solid phase; cu3 btc ... See more keywords
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Exfoliated graphitic carbon nitride nanosheets for on-line vortex-assisted dispersive micro-solid phase extraction of indium prior to determination by ICP-OES

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Published in 2020 at "International Journal of Environmental Analytical Chemistry"

DOI: 10.1080/03067319.2020.1779242

Abstract: A new online vortex-assisted dispersive micro-solid phase extraction method was developed for the preconcentration of trace amounts of indium as a prior step to its determination by inductively cou... read more here.

Keywords: vortex assisted; micro solid; solid phase; assisted dispersive ... See more keywords