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Vortex and Ultrasound-Assisted Surfactant-Enhanced Emulsification Microextraction for the Determination of Pesticide Residues in Honey using Gas Chromatography–Mass Spectrometry
AbstractA novel sample pre-treatment technique based on vortex and ultrasound-assisted surfactant-enhanced emulsification microextraction followed by...
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Modified Vortex-assisted Surfactant-enhanced Emulsification Microextraction using Methyl Benzoate for the Preconcentration of Fungicides in Fruit Juice Samples and Determination by High-performance Liquid Chromatography
AbstractMethyl benzoate-based vortex-assisted surfactant-enhanced emulsification microextraction (VASEME ) has been developed and applied for the...
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A metal–organic framework material-[Zn2(btc)(atrz)(H2O)2]·2H2O (btc = benzene-1,2,4-tricarboxylic acid, artz = 4-amino-1,2,4-triazole) for the vortex-assisted porous membrane-protected micro-solid-phase extraction of UV filters in toner and water samples
In this study, a zinc-based MOF material-[Zn 2 (btc)(atrz)(H 2 O) 2 ]·2H 2 O (btc = benzene-1,2,4-tricarboxylic acid, artz = 4-amino-1,2,4-triazole) was...
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Elevated temperature-assisted surfactant-enhanced emulsification microextraction based on solidification of a floating organic drop for the determination of UV filters in water samples by high-performance liquid chromatography coupled to a diode array detector
A rapid and reliable procedure named as elevated temperature-assisted surfactant-enhanced emulsification microextraction based on solidification of...
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Organic solventless dispersive liquid–liquid microextraction based on deep eutectic solvents as extraction and dispersive solvents; application for the extraction of Co(II) and Ni(II) ions from water and juice samples
A simple, efficient, green, and organic solventless dispersive liquid–liquid microextraction procedure was developed to determine Co(II) and Ni(II)...
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Air-assisted surfactant-enhanced emulsification liquid–liquid microextraction based on the solidification of floating organic droplets followed by high-performance liquid chromatography with ultraviolet detection for the determination of Clozapine in biological samples
In this study, a simple, efficient, and inexpensive microextraction method based on air-assisted surfactant-enhanced emulsification liquid–liquid...
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Vortex-assisted Dispersive Solid-phase Extraction Using Schiff-base Ligand Anchored Nanomagnetic Iron Oxide for Preconcentration of Phthalate Esters and Determination by Gas Chromatography and Flame Ionization Detector
Phthalate esters are synthetic chemicals that are widely used in plastic industries as plasticizer. They are harmful to humans and could be...
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A comprehensive review on application of the syringe in liquid- and solid-phase microextraction methods
AbstractSample preparation is a main analytical stage for the separation of the analyte from complex matrices. Nowadays, the tendency to be...
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Preparation and evaluation of a new solid-phase microextraction fiber based on polythionine for analysis of phthalate esters in aqueous samples
Polythionine was prepared by a simple electrochemical method and used as solid-phase microextraction coating for headspace extraction and analysis of...
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Review of Ionic Liquids in Microextraction Analysis of Pesticide Residues in Fruit and Vegetable Samples
The objective of this work is to provide a critical review of the use of ionic liquids in the microextraction of pesticide residues in fruits and...
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Ultrasound-assisted dispersive liquid–liquid microextraction coupled with field-amplified capillary electrophoresis for sensitive and quantitative determination of fluoxetine and norfluoxetine enantiomers in biological fluids
A rapid, simple, and sensitive technique for the quantitative detection of fluoxetine and norfluoxetine enantiomers in biological fluids was...
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Vortex-assisted surfactant-enhanced emulsification microextraction combined with LC–MS/MS for the determination of glucocorticoids in water with the aid of experimental design
An efficient and inexpensive method using vortex-assisted surfactant-enhanced emulsification microextraction (VASEME) based on solidification of...
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Vortex-Assisted Liquid–Liquid Microextraction (VALLME): The Latest Applications
Vortex-assisted liquid–liquid microextraction employed for the isolation and preconcentration of analytes can be used together with various detection...
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Statistical analysis of operating variables for pseudo-emulsion hollow fiber strip dispersion technique: ethylparaben separation from aqueous feed stream
AbstractEthylparaben (EP) is a member of parabens family which are the esters of p-hydroxybenzoic acid possessing anti-microbial and anti-fungal...
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Simultaneous determination of neonicotinoid insecticides and metabolites in rice by dispersive solid–liquid microextraction based on an in situ acid–base effervescent reaction and solidification of a floating organic droplet
A sensitive and rapid method named dispersive solid–liquid microextraction combining in situ acid–base reaction-based effervescence and...
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Ultrasound-Assisted Low-Density Solvent-Based Dispersive Liquid–Liquid Microextraction Coupled to Spectrophotometry for the Determination of Low Levels of Histamine in Fish and Meat Products
In this study, a new low-density solvent-based dispersive liquid–liquid microextraction strategy coupled to spectrophotometry has been developed for...
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New Directions in Using Ionic Liquids in Analytical Chemistry. 1: Liquid–Liquid Extraction
AbstractThe first part of the review presents general information and brief historical notes about ionic liquids (ILs) along with various versions of...
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Application of Ultrasound-assisted Cloud-point Extraction and Spectrophotometry for Preconcentration and Determination of Trace Amounts of Copper(II) in Beverages
AbstractA new method for preconcentration of trace Cu(II) in beverages before determination by spectrophotometry is presented. The method is based on...
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Magnetic Solid Phase Extraction Based on Modified Magnetite Nanoparticles Coupled with Dispersive Liquid–Liquid Microextraction as an Efficient Method for Simultaneous Extraction of Hydrophobic and Hydrophilic Drugs
In this work, surfactant-coated Fe 3 O 4 @decanoic acid nanoparticles was synthesized as a viable nanosorbent for coextraction of drugs with different...
