Results 21 to 30 of about 86,759 (272)

Development of Salt Induced Liquid–Liquid Extraction Combined with Amine Based Deep Eutectic Solvent-Dispersive Liquid–Liquid Microextraction; An Efficient Analytical Method for Determination of Three Anti-Seizures in Urine Samples [PDF]

open access: yesPharmaceutical Sciences, 2020
Background: A simple, fast, efficient, and environmentally friendly microextraction technique named salt induced liquid-liquid extraction combined with amine based deep eutectic solvent-dispersive liquid-liquid microextraction method followed by gas ...
Fatemeh Soltanmohammadi   +3 more
doaj   +1 more source

Microfibers for juice analysis by solid-phase microextraction. [PDF]

open access: yes, 2008
In view of the interest in analyzing volatile compounds by SPME, the following five microfibers were tested, polydimethylsiloxane; polyacrylate; polydimethylsiloxane/divinylbenzene; carboxen/polydimethylsiloxane, and carbowax/divinylbenzene, to select ...
Bizzo, Humberto Ribeiro   +3 more
core   +3 more sources

Critical review on microextraction techniques used in determination of histamine in food samples

open access: yesDiscover Food, 2022
Biogenic amines are basic nitrogen compounds, which are formed due to the decarboxylation of amino acids or/and the amination and the transformation of aldehydes and ketones.
G. Jayasinghe   +3 more
semanticscholar   +1 more source

The Potential of Microextraction Techniques for the Analysis of Bioactive Compounds in Food

open access: yesFrontiers in Nutrition, 2022
For a long time, the importance of sample preparation and extraction in the analytical performance of the most diverse methodologies have been neglected.
Jorge A. M. Pereira   +3 more
semanticscholar   +1 more source

Analysis of imidazoles and triazoles in biological samples after MicroExtraction by packed sorbent [PDF]

open access: yes, 2017
This paper reports the MEPS-HPLC-DAD method for the simultaneous determination of 12 azole drugs (bifonazole, butoconazole, clotrimazole, econazole, itraconazole, ketoconazole, miconazole, posaconazole, ravuconazole, terconazole, tioconazole and ...
Bellagamba, Giuseppe   +9 more
core   +3 more sources

A method validation for simultaneous determination of phthalates and bisphenol A released from plastic water containers [PDF]

open access: yes, 2019
Phthalates (or phthalate esters, PAEs) and bisphenol A (BPA) are widely used in various industries, particularly in the fields of cosmetics and packaging, and they increase the malleability and workability of materials.
Avino, P.   +4 more
core   +1 more source

Overview of Different Modes and Applications of Liquid Phase-Based Microextraction Techniques

open access: yesProcesses, 2022
Liquid phase-based microextraction techniques (LPµETs) have attracted great attention from the scientific community since their invention and implementation mainly due to their high efficiency, low solvent and sample amount, enhanced selectivity and ...
J. Câmara   +5 more
semanticscholar   +1 more source

A Simple Microextraction Method for Toxic Industrial Dyes Using a Fatty-Acid Solvent Mixture

open access: yesSeparations, 2021
A mixture of dodecanoic and hexanoic fatty acids was used to perform a simple and efficient microextraction method for industrial dyes such as methylene blue (MB), methyl violet (MV), and malachite green (MG) in aqueous solution.
Danielle P. Arcon, Francisco C. Franco
doaj   +1 more source

"Salting-out" concentration of phytoplankton pigment extracts previous to their analysis by HPLC

open access: yesFrontiers in Marine Science, 2014
The analysis of photosynthetic pigments (chlorophylls and carotenoids) has become a source of essential information on the physiology and ecology of marine microalgae, including the study of natural plankton populations, the ground-truthing of satellite ...
José Luis Garrido
doaj   +1 more source

Determination of Benzo(α)pyrene in Infant Formula Using High Performance Liquid Chromatography and Dispersive Liquid–Liquid Microextraction [PDF]

open access: yesPharmaceutical Sciences, 2023
Background: Benzo(α)pyrene (BaP) is one of the most familiar polycyclic aromatic hydrocarbons (PAHs) to evaluate food safety and quality and can be present in infant formulas An analytical method for the extraction and quantification of BaP in infant ...
Akram Faridi, Mahboob Nemati
doaj   +1 more source

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