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Extraction and preconcentration of residual solvents from herbal medicines by headspace-micro solid phase extraction combined with deep eutectic solvent-based dispersive liquid–liquid microextraction
In this study, a headspace-micro solid phase extraction method combined with dispersive liquid–liquid microextraction was utilized in the extraction...
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Headspace Solid-Phase Micro-extraction for Determination of Volatile Organic Compounds in Apple Using Gas Chromatography–Mass Spectrometry
A reliable routine method based on headspace solid-phase micro-extraction coupled with chromatography–mass spectrometry for quantification of...
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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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Comparison of four commercial solid-phase micro-extraction (SPME) fibres for the headspace characterisation and profiling of gunshot exhausts in spent cartridge casings
Headspace solid-phase micro-extraction (SPME) is a promising technique for the characterisation and profiling of gunshot exhausts in spent cartridge...
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GNP/Al-MOF nanocomposite as an efficient fiber coating of headspace solid-phase micro-extraction for the determination of organophosphorus pesticides in food samples
The synthesis and utilization of a high porous nanocomposite comprising MIL-53(Al) metal–organic framework (Al-MOF) and graphene nanopowder (GNP) is...
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Application of gas flow headspace liquid phase micro extraction coupled with gas chromatography-mass spectrometry for determination of 4-methylimidazole in food samples employing experimental design optimization
Background4-Methylimidazole (4-MeI) or 4-methyl-1H-imidazole, a slightly yellowish solid with molecular formula C 4 H 6 N 2 , is a heterocyclic compound...
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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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Extraction of volatile organic compounds from leaves of Ambrosia artemisiifolia L. and Artemisia annua L. by headspace-solid phase micro extraction and simultaneous distillation extraction and analysis by gas chromatography/mass spectrometry
This study was designed to analyze the volatile organic compounds in the leaves of Ambrosia artemisiifolia L. and Artemisia annua L. from Korea. For...
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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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Determination of Biomarkers in Multifloral Honey by Vacuum-Assisted Headspace Solid-Phase Microextraction
This paper focuses on the study of volatile and semi-volatile compounds of honey, using for the first-time vacuum-assisted solid-phase...
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Synthesis of magnetic molecular imprinted polymer with a new functional monomer for dispersive micro solid phase extraction of captopril from wastewater and biological samples and determination by UV-Vis spectrophotometry
A magnetic molecularly imprinted polymer (MMIP) was fabricated for captopril by surface polymerization of Fe 3 O 4 @SiO 2 nanoparticles using a new...
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A Device for the Simultaneous Cooling of the Fiber and the Evaporated Sample in the Determination of Pesticides from Soil Samples Using Fiber Headspace Solid-Phase Microextraction
AbstractPesticides are used to control agricultural and industrial pests, and even combat diseases such as malaria, posing a serious threat to public...
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Ordered mesoporous hairbrush-like nanocarbon assembled microfibers for solid-phase microextraction of benzene series in oilfield sewage
The development of advanced functional nanomaterials for solid-phase microextraction (SPME) remains an imperative aspect of sample pretreatment....
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Quinoxaline core-conjugated microporous polymer coating for highly sensitive solid-phase microextraction of phthalate esters in liquid food samples
Conjugated microporous polymers (CMPs) have been widely used in various fields as a new class of porous materials. In this study, a quinoxaline-based...
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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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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 Rapid Method for Analyzing Synthetic Phenolic Antioxidants in Food Grade Lubricant Samples Based on Headspace Solid-Phase Microextracion Coupled with Gas Chromatography-Mass Spectrometer
This article is focused on the effectiveness of headspace solid-phase micro-extraction (HS-SPME) for determining 4 synthetic phenolic antioxidants...
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Direct analysis of free-base nicotine in tobacco leaf by headspace solid-phase micro-extraction combined with gas chromatography/mass spectrometry
A little nicotine in tobacco leaf is non-ionized, which is also known as free-base nicotine (FBN). The dynamic equation existed between FBN and...
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Stable Carbon Isotope Ratio of Volatile Organic Compounds in Air Using Solid-Phase Microextraction Coupled with Chromatography, Combustion, and Isotope Ratio Mass Spectrometry
The isotopic analysis of atmospheric volatile organic compounds (VOCs), and in particular their carbon isotope ratio (δ 13 C), has the potential to be...
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Evaluation of three extraction methods for the isolation of PAHs from recycled paperboard materials intended for food contact applications
The present work is part of a comprehensive study aiming to identify and quantify an array of harmful contaminants at very low concentrations in...