Dispersive liquid-liquid microextraction as an effective preanalytical step for the determination of estradiol in human urine.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201700123
Abstract: In this work, a fast and effective dispersive liquid-liquid microextraction was developed for the isolation and preconcentration of free 17 β-estradiol, the main human estrogen, from real human urine samples. To optimize the extraction technique, few… read more here.
Keywords: human urine; extraction; liquid; dispersive liquid ... See more keywords
Vortex-assisted liquid-liquid microextraction of strontium from water samples using 4',4″(5″)-di-(tert-butylcyclohexano)-18-crown-6 and tetraphenylborate.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201700205
Abstract: A vortex-assisted liquid-liquid microextraction method was developed for the chromatographic determination of strontium in aqueous samples. In the method, strontium was complexed with 4',4″(5″)-di-(tert-butylcyclohexano)-18-crown-6 in the presence of tetraphenylborate as the counter anion, which increased… read more here.
Keywords: assisted liquid; vortex assisted; strontium; liquid liquid ... See more keywords
Magnetic solid-phase extraction or dispersive liquid-liquid microextraction for pyrethroid determination in environmental samples.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of separation science"
DOI: 10.1002/jssc.201800109
Abstract: The determination of 15 pyrethroids in soil and water samples was carried out by gas chromatography with mass spectrometry. Compounds were extracted from the soil samples (4 g) using solid-liquid extraction and then salting-out assisted liquid-liquid… read more here.
Keywords: phase; extraction; liquid; dispersive liquid ... See more keywords
Comparison of three different dispersive liquid-liquid microextraction modes performed on their most usual configurations for the extraction of phenolic, neutral aromatic, and amino compounds from waters.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of separation science"
DOI: 10.1002/jssc.201800133
Abstract: In this work we seek clues to select the appropriate dispersive liquid-liquid microextraction mode for extracting three categories of compounds. For this purpose, three common dispersive liquid-liquid microextraction modes were compared under optimized conditions. Traditional… read more here.
Keywords: liquid; microextraction modes; dispersive liquid; liquid liquid ... See more keywords
Optimization of a dispersive liquid-liquid microextraction method followed by UHPLC analysis for fluoxetine quantification in environmental water resources.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of separation science"
DOI: 10.1002/jssc.201800727
Abstract: Fluoxetine is the most prescribed drug for treatment of depression. Recently, its presence in aquatic environment has been receiving a growing interest as several studies assessed its effects on aquatic fauna. Therefore, it's important to… read more here.
Keywords: liquid; water; method; dispersive liquid ... See more keywords
Preconcentration and determination of five antidepressants from human milk and urine samples by stir bar filled magnetic ionic liquids using liquid-liquid-liquid microextraction-high performance liquid chromatography.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of separation science"
DOI: 10.1002/jssc.202100617
Abstract: A sensitive and straightforward liquid-liquid-liquid microextraction method was developed to preconcentrate and cleanup antidepressants, including mirtazapine, venlafaxine, escitalopram, fluoxetine, and fluvoxamine, from biological samples before analyzing with high-performance liquid chromatography. The essential novelty of this… read more here.
Keywords: magnetic ionic; liquid microextraction; liquid liquid; ionic liquids ... See more keywords
Dispersive liquid–liquid microextraction as a new clean-up procedure for the determination of parabens, perfluorinated compounds, UV filters, biocides, surfactants, and plasticizers in root vegetables
Sign Up to like & getrecommendations! Published in 2018 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-018-1165-9
Abstract: An analytical method based on ultrasound-assisted extraction and dispersive liquid–liquid microextraction (DLLME) clean-up has been developed and validated for the determination of 31 emerging pollutants in root vegetables. The target compounds were four preservatives, six… read more here.
Keywords: liquid; determination; dispersive liquid; liquid liquid ... See more keywords
Vortex-Assisted Liquid–Liquid Microextraction (VALLME): The Latest Applications
Sign Up to like & getrecommendations! Published in 2017 at "Chromatographia"
DOI: 10.1007/s10337-017-3403-2
Abstract: Vortex-assisted liquid–liquid microextraction employed for the isolation and preconcentration of analytes can be used together with various detection techniques in order to obtain a very versatile tool for the chemical analysis. This allows the analyzing… read more here.
Keywords: assisted liquid; vortex assisted; liquid liquid; liquid microextraction ... See more keywords
A simple and rapid determination of Al(III) in natural water samples using dispersive liquid–liquid microextraction after complexation with a novel antipyrine-based Schiff base reagent
Sign Up to like & getrecommendations! Published in 2021 at "Environmental Monitoring and Assessment"
DOI: 10.1007/s10661-021-09701-y
Abstract: The purpose of this study is the development of a novel strategy for the determination of Al3+ ions using the combination of dispersive liquid–liquid microextraction (DLLME) and UV–Vis spectrophotometry. The method is grounded in the… read more here.
Keywords: novel antipyrine; dispersive liquid; liquid; complexation novel ... See more keywords
Determination of endocrine disruptive phenolic compounds by gas chromatography mass spectrometry after multivariate optimization of switchable liquid-liquid microextraction and assessment of green profile.
Sign Up to like & getrecommendations! Published in 2019 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2019.06.079
Abstract: This study presents an accurate method for the determination of alkyl phenols and bisphenol A at trace levels using gas chromatography mass spectrometry after preconcentration with switchable liquid-liquid microextraction. In order to achieve high extraction… read more here.
Keywords: gas chromatography; liquid; switchable liquid; liquid liquid ... See more keywords
Dispersive liquid-liquid microextraction based on solidification of floating organic drop for preconcentration and determination of trace amounts of copper by flame atomic absorption spectrometry.
Sign Up to like & getrecommendations! Published in 2017 at "Food chemistry"
DOI: 10.1016/j.foodchem.2016.09.005
Abstract: A novel, simple, rapid, sensitive, inexpensive and environmentally friendly dispersive liquid-liquid microextraction method based on the solidification of a floating organic drop (DLLME-SFO) was developed for the determination of copper by flame atomic absorption spectrometry… read more here.
Keywords: liquid; determination; copper; dispersive liquid ... See more keywords