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Multiwalled Carbon Nanotubes-Encapsulated Gellan Gum Membrane for Micro-Solid Phase Extraction of Selected Polycyclic Aromatic Hydrocarbons in Environmental Water and Beverages
Non-biodegradable plastics are an unresolved issue in solid waste management as recycling them is expensive. This study focused on formulating a...
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Micro-solid-phase extraction
The direct determination of compounds of interest is challenging and, in the majority of cases, impossible. This fact is related to the low...
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Extraction of Primary and Secondary Metabolites
Several new methods besides the usual organic solvent extraction have been developed over the last few years for the extraction of primary and...
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Carbon nanomaterial-based membranes in solid-phase extraction
Carbon nanomaterials (CNMs) have some excellent properties that make them ideal candidates as sorbents for solid-phase extraction (SPE). However,...
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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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Hollow-Fibre Liquid-Phase Microextraction
This chapter discusses microextraction using liquid membranes immobilized in a porous support membrane, including two- and three-phase hollow fibre...
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A Fabric Phase Sorptive Extraction Protocol Combined with Liquid Chromatography-Fluorescence Detection for the Determination of Ochratoxin in Food Samples
The sample preparation step is very useful in obtaining precise and accurate results. Achieving a quickly performed, inexpensive, sensitive, and...
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Deep eutectic solvent-doped graphite as an efficient adsorbent for pipette tip micro-solid phase extraction of mitoxantrone from seawater, drug, urine and blood samples prior to its spectrophotometric determination
In this study, a novel adsorbent was prepared by modification of graphite with deep eutectic solvent based on camphor–thymol (by the mole ratio of...
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Micro-matrix cartridge extraction followed by online micro-solid phase extraction based on polystyrene@hydroxypropyl-β-cyclodextrin nanofibers for selective determination of fipronil and its metabolites in soil
Micro-matrix cartridge extraction coupled on-line to micro-solid phase extraction-high performance liquid chromatography-mass spectrometry...
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Stir Bar Sorptive Extraction
From its introduction until now, more than 20 years ago, stir bar sorptive extraction (SBSE) has been consolidated as sample preparation technique....
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A review of the modern principles and applications of solid-phase extraction techniques in chromatographic analysis
Analytical processes involving sample preparation, separation, and quantifying analytes in complex mixtures are indispensable in modern-day analysis....
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ZIF67-derived porous carbon-reinforced electrospun nanofiber as an extractive phase for on-chip micro-solid-phase extraction of antifungals from biological fluids prior to liquid chromatography tandem mass spectrometry
With a view to improving applicability as a sorbent while overcoming the challenges associated with its powdery nature, cobalt-doped zeolitic...
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Magnetic dispersive micro-solid-phase extraction integrated with hollow fiber liquid-phase microextraction for preconcentration of trace amounts of chlorpyrifos pesticide in aqueous samples
In the present study, the integration of magnetic dispersive micro-solid-phase extraction (MD-µSPE) with hollow fiber liquid-phase microextraction...
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Development of Magnetic Solid Phase Micro-Extraction (MSPE) Method for the Extraction and Preconcentration of the Selected β-Blockers in the Environmental Wastewaters
Emerging organic pollutants s have always been the greatest environmental concern due to their ubiquity and distinguished adverse effects. These are...
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Controllable synthesis of uniform flower-shaped covalent organic framework microspheres as absorbent for solid-phase extraction of trace 2,4-dichlorophenol
Controllable synthesis of micro-flower covalent organic frameworks (MFCOFs) with controllable size, monodisperse, spherical, and beautiful flower...
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Fabricating a designer capsule phase microextraction platform based on sol–gel Carbowax 20M-zwitterionic ionic liquid composite sorbent for the extraction of lipid-lowering drugs from human urine samples
A sol–gel Carbowax 20 M/3-[(3-Cholamidopropyl) dimethyl ammonio]-1-propanesulfonate composite sorbent-based capsule phase microextraction device has...
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An improved microfluidic device to enhance the enrichment factors in liquid phase microextraction: application to the simultaneous extraction of polar and non-polar acids in biological samples
A new microfluidic device to enhance the enrichment factor in miniaturized systems is proposed. The microfluidic system was design for liquid phase...
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Cu (II)-based metal-organic framework functionalized with graphene oxide as a sorbent for the dispersive micro-solid-phase extraction of losartan potassium from water
In this study, a new metal–organic framework (MOF) based on copper (II) functionalized with graphene oxide (MOF-Cu@GO) was successfully synthesized...
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TiO2@SiO2 flexible nanofiber membrane-based syringe membrane solid phase extraction for determination of beryllium in Chinese yellow rice wine samples by graphite furnace atomic absorption spectrometry
Beryllium is an extremely toxic element for human beings. Therefore, knowledge of Be content in food samples is important to evaluating its potential...
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Slice-layer COFs-aerogel: a regenerative dispersive solid-phase extraction adsorbent for determination of ultra-trace quinolone antibiotics
A novel type of three-dimensional network structure, covalent organic frameworks (COFs) aerogel, was fabricated and applied to dispersive solid-phase...
