Results 21 to 30 of about 4,299 (226)

Analytical Scheme for Simultaneous Determination of Phthalates and Bisphenol A in Honey Samples Based on Dispersive Liquid–Liquid Microextraction Followed by GC-IT/MS. Effect of the Thermal Stress on PAE/BP-A Levels

open access: yesMethods and Protocols, 2020
In this paper, an analytical protocol was developed for the simultaneous determination of phthalates (di-methyl phthalate DMP, di-ethyl phthalate DEP, di-isobutyl phthalate DiBP, di-n-butyl phthalate DBP, bis-(2-ethylhexyl) phthalate DEHP, di-n-octyl ...
Ivan Notardonato   +5 more
doaj   +1 more source

Development of an ionic liquid-based dispersive liquid–liquid microextraction method for the determination of nifurtimox and benznidazole in human plasma [PDF]

open access: yes, 2013
Dispersive ionic liquid–liquid microextraction combined with liquid chromatography and UV detection was used for the determination of two antichagasic drugs in human plasma: nifurtimox and benznidazole.
Altcheh, Jaime Marcelo   +5 more
core   +2 more sources

The recent developments in dispersive liquid–liquid microextraction for preconcentration and determination of inorganic analytes

open access: yesJournal of Saudi Chemical Society, 2014
Recently, increasing interest on the use of dispersive liquid–liquid microextraction (DLLME) developed in 2006 by Rezaee has been found in the field of separation science.
H.M. Al-Saidi, Adel A.A. Emara
doaj   +1 more source

Deep Eutectic Solvents as Promising Green Solvents in Dispersive Liquid–Liquid Microextraction Based on Solidification of Floating Organic Droplet: Recent Applications, Challenges and Future Perspectives

open access: yesMolecules, 2021
Deep eutectic solvents (DESs) have recently attracted attention as a promising green alternative to conventional hazardous solvents by virtue of their simple preparation, low cost, and biodegradability.
Asmaa Kamal El-Deen, Kuniyoshi Shimizu
doaj   +1 more source

Introduction to the toxins special issue on LC-MS/MS methods for mycotoxin analysis [PDF]

open access: yes, 2017
Various filamentous fungi can produce secondary metabolites, whose biochemical significance in fungal growth and development has not always been fully clarified; however, some of these metabolites can cause deleterious effects on other organisms and are ...
, Aldo, Lagana' 
core   +2 more sources

Extraction and Determination of Cyproheptadine in Human Urine by DLLME-HPLC Method.

open access: yesIranian journal of pharmaceutical research : IJPR, 2013
Novel dispersive liquid-liquid microextraction (DLLME), coupled with high performance liquid chromatography with photodiode array detection (HPLC-DAD) has been applied for the extraction and determination of cyproheptadine (CPH), an antihistamine, in human urine samples.
Maham, Mehdi   +8 more
openaire   +2 more sources

Chemometric-Based Optimization of Ionic Liquid-Based Dispersive Liquid-Liquid Microextraction for Separation and Preconcentration of Erythrosine from Real Matrices

open access: yesCumhuriyet Science Journal, 2022
In this research paper, a simple and economic ionic liquid-based liquid-liquid microextraction (IL-DLLME) procedure was developed to ensure efficient and rapid separation and preconcentration of erythrosine from cosmetic and food samples.
Nail Altunay, Adil Elik
doaj   +1 more source

Dispersive liquid–liquid microextraction combined with laser-induced breakdown spectrometry and inductively coupled plasma optical emission spectrometry to elemental analysis [PDF]

open access: yes, 2015
In this paper, two analytical methodologies based on the combination of dispersive liquid–liquid microextraction with inductively coupled plasma optical emission spectrometry and laser-induced breakdown spectrometry, respectively, were evaluated for ...
Aguirre Pastor, Miguel Ángel   +4 more
core   +2 more sources

Combination of saponification and dispersive liquid–liquid microextraction for the determination of tocopherols and tocotrienols in cereals by reversed-phase high-performance liquid chromatography [PDF]

open access: yes, 2013
A simple sample preparation technique coupled with reversed-phase high-performance liquid chromatography was developed for the determination of tocopherols and tocotrienols in cereals. The sample preparation procedure involved a small-scale hydrolysis of
Mohd Ghazali, Hasanah   +3 more
core   +5 more sources

Dispersive liquid-liquid microextraction for determining urinary muconic acid as benzene biological indicator [PDF]

open access: yesJournal of the Serbian Chemical Society
The monitoring of occupational exposure to chemicals is essential for assessing the workplace. In the case of hazardous and carcinogenic chemicals, such as benzene, occupational monitoring becomes even more crucial.
Moghadasi Abolfazl   +4 more
doaj   +1 more source

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