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Ultrasound-Assisted Extraction Combined with Low-Density Solvent-Based Dispersive Liquid-Liquid Microextraction as an Efficient and Sensitive Method for the Determination of Clodinafop-Propargyl Herbicide in Wheat Samples
AbstractIn the present study, a new approach that uses ultrasound-assisted extraction clean-up combined with dispersive liquid-liquid microextraction...
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Graphene-Modified Magnetic Nanoparticles for Analyzing Some Pesticides Through Magnetic Dispersive Solid Phase Extraction and Dispersive Liquid–Liquid Microextraction Followed by GC–MS Determination
In this study, an efficient magnetic sorbent was prepared to extract some pesticides including chlorpyrifos, haloxyfop-R-methyl, oxadiazon,...
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Synthesis of MOF-70 based on diffusion method; microgram amount application as a highly efficient sorbent in dispersive micro solid phase extraction prior to dispersive liquid–liquid microextraction for the preconcentration and extraction of pesticides from fruit juices
In the present research, a sample preparation method called dispersive microsolid phase extraction followed by dispersive liquid–liquid...
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Dispersive solid phase extraction based on simply prepared nitrogen-doped amorphous carbon nanocomposite combined with dispersive liquid–liquid microextraction: application in the extraction of some pesticides from fruit juices
In the present survey, a nitrogen-doped amorphous carbon nanocomposite has been prepared simply and eco-friendly from heating an acidic solution of...
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Preparation of magnetic graphene nanocomposite based on metallic iron and its application in the extraction and preconcentration of some pesticides from fruit juice, river water, and wastewater samples
A dispersive solid-phase extraction method using a synthesized magnetic graphene nanosorbent followed by dispersive liquid–liquid microextraction has...
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Magnetic dispersive solid-phase extraction of some pesticides from fruit juices using monodisperse nanosorbent combined with dispersive liquid–liquid micro-extraction
In this study, the new synthesized magnetic nanoparticles based on amorphous carbon have been used as a sorbent in magnetic dispersive solid-phase...
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Determination of Pesticides and Mycotoxins in Malt, Brewers’ Spent Grain, and Beer Using a Dilute-and-Shoot Procedure and HPLC-MS/MS
Residues of pesticides and mycotoxins in food and beverages can pose health risks to consumers, emphasizing the importance of their monitoring, as...
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Chemometric assisted RSM–CCD strategy for optimization of RP-HPLC conditions and its application for simultaneous determination of multiclass pesticides in plant protection products
An efficacious, rapid, and simple liquid chromatographic method was developed, validated, and applied for concurrent identification and quantitation...
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Development of a magnetic dispersive solid phase extraction method by employing folic acid magnetic nanoparticles as an effective, green, and reliable sorbent followed by dispersive liquid-liquid microextraction for the extraction and preconcentration of seven pesticides from fruit juices
Folic acid magnetic nanoparticles have been prepared and utilized as an effective and reliable sorbent in magnetic dispersive solid phase extraction...
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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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Development of an Efficient Sample Preparation Method Based on Homogeneous Liquid-Liquid Extraction Combined with Dispersive Liquid-Liquid Microextraction Solidification of Floating Organic Drop for Trace Analysis of Pesticide Residues in Fruit and Fruit Juice Samples
In this study, a simple and reliable sample preparation method based on an efficient version of homogeneous liquid-liquid extraction combined with...
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Development and Validation of a Liquid Chromatography–Tandem Mass Spectrometry Method for Multiresidue Determination of 25 Herbicides in Soil and Tobacco
AbstractIn the cultivation of tobacco, crop rotation patterns, such as tobacco/rice or tobacco/corn, are widely used. However, the use of herbicides...
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Methods for Extraction of Bioactive Compounds from Plant and Animal Matter Using Deep Eutectic Solvents
Nowadays, scientists are going through develo** more eco-friendly analysis methods of simple and complex samples that follow the principles of...
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Purification and properties of a novel quizalofop-p-ethyl-hydrolyzing esterase involved in quizalofop-p-ethyl degradation by Pseudomonas sp. J-2
Quizalofop- p -ethyl (QPE) is a post-emergence herbicide that effectively controls grass weeds and is often detected in the environment. However, the...
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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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Synthesis and herbicidal activity of novel N-allyloxy/propargyloxy aryloxyphenoxy propionamide derivatives
A series of novel N -allyloxy/propargyloxy aryloxyphenoxy propionamide compounds was designed and prepared. The structures of the synthesized...
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New growth regulators of corn based on N-mono- and N,N-bis-3-butenyldichloroacetamides
Allylboration of imines, nitriles (including hydrocyanic acid), amides, lactams, aromatic azaheterocycles (pyridines, isoquinoline, and pyrrole) was...
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Validation of a Modified QuEChERS Method for the Determination of 167 Pesticides in Milk and Milk Products by LC-MS/MS
A liquid chromatography tandem mass spectrometry (LC-MS/MS) method with modified QuEChERS (quick, easy, cheap, effective, rugged and safe) extraction...
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Determination of 103 Pesticides and Their Main Metabolites in Animal Origin Food by QuEChERS and Liquid Chromatography–Tandem Mass Spectrometry
A rapid and sensitive analytical multiresidue method has been developed for the simultaneous determination of 103 pesticides (herbicides,...
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On-line Micro Solid-Phase Extraction of Clodinafop Propargyl from Water, Soil and Wheat Samples Using Electrospun Polyamide Nanofibers
An on-line extraction/determination set up was designed for micro solid-phase extraction of clodinafop propargyl from water, soil and wheat samples...
