Articles with "assisted liquid" as a keyword



Vortex-assisted liquid-liquid microextraction of strontium from water samples using 4',4″(5″)-di-(tert-butylcyclohexano)-18-crown-6 and tetraphenylborate.

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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
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Vortex-Assisted Liquid–Liquid Microextraction (VALLME): The Latest Applications

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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
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Deep eutectic-based vortex-assisted/ultrasound-assisted liquid-phase microextractions of chromium species

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Published in 2020 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-020-01890-6

Abstract: In the present work, vortex-assisted liquid-phase microextraction (VA-LPME) and ultrasound-assisted liquid-phase microextraction (UA-LPME) techniques were used for the speciation of chromium (Cr 3+ /Cr 6+ ) followed by their determination using flame atomic absorption spectrometry.… read more here.

Keywords: assisted liquid; vortex assisted; liquid phase; ultrasound assisted ... See more keywords

Simultaneous determination of three carbamate pesticides using vortex-assisted liquid–liquid microextraction combined with HPLC-amperometric detection

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Published in 2019 at "Microchemical Journal"

DOI: 10.1016/j.microc.2019.104071

Abstract: Abstract In this study, a vortex-assisted liquid–liquid microextraction procedure for simultaneous determination of three carbamate pesticides (desmedipham, phenmedipham and chlorpropham) was developed and for a first time was combined with high-performance liquid chromatography with amperometric… read more here.

Keywords: liquid liquid; simultaneous determination; vortex assisted; assisted liquid ... See more keywords
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Direct salting-out assisted liquid–liquid extraction (SALLE) from human blood: Application for the analysis of tyrosine kinase inhibitors

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Published in 2020 at "Microchemical Journal"

DOI: 10.1016/j.microc.2020.104791

Abstract: Abstract The application of salting-out assisted liquid–liquid extraction (SALLE) is proposed for the first time for the extraction of drugs directly from whole blood samples prior to their analysis by capillary electrophoresis or liquid chromatography… read more here.

Keywords: salting assisted; extraction; assisted liquid; analysis ... See more keywords

Forced vortex assisted liquid phase microextraction for preconcentration and spectrophotometric determination of mefenamic acid in biological samples

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Published in 2017 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2016.11.073

Abstract: Abstract A new microextraction approach termed forced vortex assisted liquid phase microextraction (FVA-LPME) has been developed and optimized for spectrophotometric determination of mefenamic acid (MFA) as a model compound. FVA-LPME is based on the formation… read more here.

Keywords: assisted liquid; phase; vortex assisted; liquid phase ... See more keywords

Quantification of MicroRNAs by Coupling Cyclic Enzymatic Amplification with Microfluidic Voltage-Assisted Liquid Desorption Electrospray Ionization Mass Spectrometry.

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Published in 2018 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.8b04008

Abstract: Quantitative assay of microRNAs (miRNAs) with mass spectrometric detection currently suffers from two major disadvantages, i.e., being insufficient in sensitivity and requiring an extraction or chromatographic separation prior to MS detection. In this work, we… read more here.

Keywords: assisted liquid; microfluidic voltage; mass; cyclic enzymatic ... See more keywords

A Machine Learning-Assisted Liquid Crystal Droplet Array Platform for the Sensitive and Selective Detection of Per- and Polyfluoroalkyl Substances (PFAS) in Water

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Published in 2025 at "ACS Sensors"

DOI: 10.1021/acssensors.5c00907

Abstract: We report a machine learning (ML)-assisted liquid crystal (LC) droplet array platform for the detection of per- and polyfluoroalkyl substances (PFAS) in water. Our approach uses an autoencoder network to process thousands of images obtained… read more here.

Keywords: detection; water; machine learning; assisted liquid ... See more keywords

Sonication-assisted liquid-phase exfoliated α-GeTe: a two-dimensional material with high Fe3+ sensitivity.

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Published in 2018 at "Nanoscale"

DOI: 10.1039/c8nr03091j

Abstract: We describe sonication-assisted liquid-phase exfoliation of rhombohedral germanium telluride (α-GeTe) to obtain a good dispersion of α-GeTe nanosheets in ethanol. The thickness of the α-GeTe nanosheets is dependent on the exfoliation conditions, and few-layer α-GeTe… read more here.

Keywords: assisted liquid; liquid phase; sonication assisted; two dimensional ... See more keywords

Comparative study of sonication-assisted liquid phase exfoliation of six layered coordination polymers.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc03366f

Abstract: Sonication-assisted liquid phase exfoliation was applied to six different layered coordination polymers (CPs) in aqueous surfactant solution. The resulting nanosheets were investigated for structural and compositional integrity and microscopic analysis gives insights into the relationship… read more here.

Keywords: assisted liquid; liquid phase; phase exfoliation; sonication assisted ... See more keywords

Supramolecular Solvent Based Microextraction with Sugaring-out Assisted Liquid-Liquid Extraction for the Determination of Fungicides in Honey

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Published in 2025 at "Analytical Letters"

DOI: 10.1080/00032719.2025.2478220

Abstract: Abstract Azoxystrobin, chlorothalonil and cyprodinil were successfully extracted and determined from honey samples using a supramolecular solvent-based microextraction method combined with environmentally friendly sugaring-out assisted liquid-liquid extraction. Fungicides from the samples were first extracted with… read more here.

Keywords: sugaring assisted; extraction; assisted liquid; liquid liquid ... See more keywords