Journal ArticleDOI
Recent advances in dispersive liquid-liquid microextraction for pesticide analysis
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TLDR
A comprehensive review of liquid liquid microextraction (DLLME) techniques for analysis of trace emerging pesticides in water is presented in this paper, where thin-layer stripping voltammetric techniques at surface modified electrodes and spectrofluorimetric techniques coupled and implemented with DLLME are discussed.Abstract:
Dispersive liquid-liquid microextraction (DLLME) techniques have attracted considerable interest because they are cost effective, easy to operate, and reliably preconcentrate trace levels of analytes in complex matrices. This comprehensive review is concerned with principles, applications and developments of DLLME techniques for analysis of trace emerging pesticides in water. DLLME techniques have had few couplings to spectrofluorimetric methods and relatively none with electrochemical techniques. We highly recommend thin-layer stripping voltammetric techniques at surface-modified electrodes and spectrofluorimetric techniques coupled and implemented with DLLME. Great attention should be focused on developing low-cost, precise methods for analysis of trace concentrations of pesticides in various biological and environmental samples. We describe milestones and the combination of nanotechniques in the DLLME field, green aspects, advantages and shortcomings of known DLLME protocols.read more
Citations
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Journal ArticleDOI
A novel magnetic multi-walled carbon nanotube-based magnetic solid-phase extraction combined with dispersive liquid–liquid microextraction method for the determination of four phenoxy carboxylic acid herbicides in food crops by using ultra-high performance liquid chromatography-tandem mass spectrometry
TL;DR: In this article, a simple, rapid and sensitive method for the determination of four phenoxy carboxylic acid herbicides (4-chlorophenoxy acetic acid, 2-methyl-4-acid-acid, 2,4-dichlorophenoxy acetyl acid and 2-(2,4)-propionic acid) in food crops was established by magnetic multi-walled carbon nanotube assisted magnetic solid-phase extraction combined with dispersive liquid-liquid microextraction followed by ultra-high performance liquid chromatography-tandem mass spect
Journal ArticleDOI
A fast and sensitive analytical procedure for monitoring of synthetic pyrethroid pesticides' metabolites in environmental water samples.
TL;DR: In this article, a vortex-assisted salt-induced liquid-liquid microextraction (VA-SI-LLME) method coupled with liquid chromatography/tandem mass spectrometric (LC-MS/MS) analysis was reported for monitoring of synthetic pyrethroid pesticides' metabolites in environmental water samples.
Journal ArticleDOI
Effective and sensitive determination of eleven disinfection byproducts in drinking water by DLLME and GC-MS.
TL;DR: This new method could be useful for analyzing eleven DBPs that remain in drinking water, and it exhibited good linearity in quantitative analysis.
Journal ArticleDOI
Development of fast, efficient and ecological method employing vortex-assisted dispersive liquid–liquid microextraction combined with fast gas chromatography–mass spectrometry for pesticide residues analysis in alcohol-content samples
TL;DR: The applicability of the developed and validated DLLME method for isolation and preconcentration of selected endocrine disrupting pesticides from beverages containing some degree of alcohol was proved by the analysis of real samples.
Journal ArticleDOI
A star-shaped polythiophene dendrimer coating for solid-phase microextraction of triazole agrochemicals
TL;DR: A nanostructured star-shaped polythiophene dendrimer used as a fiber coating for headspace solid phase microextraction of selected triazolic pesticides from water samples is fast, inexpensive, and the fiber has high thermal stability.
References
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Journal ArticleDOI
Solid phase microextraction with thermal desorption using fused silica optical fibers
Journal ArticleDOI
Determination of organic compounds in water using dispersive liquid-liquid microextraction
Mohammad Rezaee,Yaghoub Assadi,Mohammad Reza Milani Hosseini,Elham Aghaee,Fardin Ahmadi,Sana Berijani +5 more
TL;DR: The ability of DLLME technique in the extraction of other organic compounds such as organochlorine pesticides, organophosphorus pesticides and substituted benzene compounds were studied.
Journal ArticleDOI
Dispersive liquid-liquid microextraction
TL;DR: Dispersive liquid-liquid microextraction (DLLME) is a sample-preparation technique that offers high enrichment factors from low volumes of water samples.
Journal ArticleDOI
Temperature-controlled ionic liquid dispersive liquid phase micro-extraction
TL;DR: Results obtained indicated that this system could be tuned to a great extent because ionic liquids can be designable and the method does not suffer from the limitations of that in conventional solvent micro-extraction.
Journal ArticleDOI
Green aspects, developments and perspectives of liquid phase microextraction techniques.
TL;DR: The possible use of novel, non-toxic extracting agents, inter alia, ionic liquids, coacervates, surfactant solutions and reverse micelles in the liquid phase microextraction techniques has been evaluated in depth.