Results 211 to 220 of about 76,914 (265)
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Journal of Chromatography A, 2020
A dispersive solid phase extraction method was combined with deep eutectic solvent-based solidification of floating organic drop-dispersive liquid-liquid microextraction and used for the extraction/preconcentration of some organophosphorus pesticides ...
E. Zahiri +3 more
semanticscholar +1 more source
A dispersive solid phase extraction method was combined with deep eutectic solvent-based solidification of floating organic drop-dispersive liquid-liquid microextraction and used for the extraction/preconcentration of some organophosphorus pesticides ...
E. Zahiri +3 more
semanticscholar +1 more source
, 2021
A preconcentration method based on a novel hybrid air-assisted solvent terminated dispersive liquid-liquid microextraction (AA-ST-DLLME) using a domestic fish-tank pump as a bubble generator was developed for the determination of Pb in water and beverage
Pilaipan Chaikhan +3 more
semanticscholar +1 more source
A preconcentration method based on a novel hybrid air-assisted solvent terminated dispersive liquid-liquid microextraction (AA-ST-DLLME) using a domestic fish-tank pump as a bubble generator was developed for the determination of Pb in water and beverage
Pilaipan Chaikhan +3 more
semanticscholar +1 more source
Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2021
In this work, an automated surfactant-assisted dispersive liquid-liquid microextraction approach based on in-a-syringe concept was developed for the first time.
I. Timofeeva, K. Stepanova, A. Bulatov
semanticscholar +1 more source
In this work, an automated surfactant-assisted dispersive liquid-liquid microextraction approach based on in-a-syringe concept was developed for the first time.
I. Timofeeva, K. Stepanova, A. Bulatov
semanticscholar +1 more source
Ionic liquids in dispersive liquid-liquid microextraction
TrAC Trends in Analytical Chemistry, 2013In this review, we summarize the most recent analytical developments aimed at employing Ionic liquids (ILs) in dispersive liquid-liquid microextraction (DLLME). Four main operation modes can be distinguished: (1) conventional IL-DLLME; (2) temperature-controlled IL-DLLME; (3a) ultrasound-assisted, (3b) microwave-assisted or (3c) vortex-assisted IL ...
María J. Trujillo-Rodríguez +3 more
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Food Chemistry, 2020
Four novel organic magnetic ionic liquids were synthesized and characterized. A new method of in-situ magnetic ionic liquid dispersive liquid-liquid microextraction coupled with HPLC was established to simultaneously separate, preconcentrate and ...
T. Yao, K. Du
semanticscholar +1 more source
Four novel organic magnetic ionic liquids were synthesized and characterized. A new method of in-situ magnetic ionic liquid dispersive liquid-liquid microextraction coupled with HPLC was established to simultaneously separate, preconcentrate and ...
T. Yao, K. Du
semanticscholar +1 more source
Automated in-syringe dispersive liquid-liquid microextraction
TrAC Trends in Analytical Chemistry, 2014Abstract The dispersive liquid-liquid microextraction (DLLME) technique is simple, efficient and environment friendly. One of the main limitations to its further development is the lack of approaches to its automation. In this work, we describe and review recent applications of a novel approach to perform fully-automated in-syringe DLLME based on ...
Fernando Maya +3 more
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Automated Dispersive Liquid–Liquid Microextraction–Gas Chromatography–Mass Spectrometry
Analytical Chemistry, 2014An innovative automated procedure, low-density solvent based/solvent demulsification dispersive liquid-liquid microextraction (automated DLLME) coupled to gas chromatography-mass spectrometry (GC/MS) analysis, has been developed. The most significant innovation of the method is the automation. The entire procedure, including the extraction of the model
Guo, L., Lee, H.K.
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, 2020
In this study, eleven hydrophobic deep eutectic solvents (hDESs) based on some naturally occurring fatty acids, alcohols, and choline chloride were synthesized and evaluated as green extractants in the dispersive liquid–liquid microextraction (DLLME) of ...
H. Sereshti +3 more
semanticscholar +1 more source
In this study, eleven hydrophobic deep eutectic solvents (hDESs) based on some naturally occurring fatty acids, alcohols, and choline chloride were synthesized and evaluated as green extractants in the dispersive liquid–liquid microextraction (DLLME) of ...
H. Sereshti +3 more
semanticscholar +1 more source
Recent development and applications of dispersive liquid–liquid microextraction
Journal of Chromatography A, 2013Dispersive liquid-liquid microextraction (DLLME) is a modern sample pretreatment technique that is regarded as consilient with the current trends of modern analytical chemistry. DLLME is simple, inexpensive, environmentally friendly, and could offer high enrichment factors from a wide gap between acceptor and donor phases.
Hongyuan, Yan, Hui, Wang
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Pharmaceutical and biomedical applications of dispersive liquid–liquid microextraction
Journal of Chromatography B, 2017Sample treatment is so crucial in pharmaceutical and biomedical analysis. Proper sample preparation protects the analytical instrument, increases the sensitivity, and enhances the selectivity by removing probable interfering substances. Dispersive liquid-liquid microextraction (DLLME) is one of the most important approaches in sample treatment.
Fotouh R, Mansour, Mostafa A, Khairy
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