Results 31 to 40 of about 10,894,647 (232)

Zeolites and zeolite-based materials in extraction and microextraction techniques. [PDF]

open access: yesThe Analyst, 2019
Zeolites are ordered crystalline materials with a promising performance for a wide range of applications such as catalysis, petrochemistry, environmental remediation, and medicine, but have scarcely been evaluated in Analytical Chemistry.
P. Baile   +3 more
semanticscholar   +4 more sources

Microextraction-Based Techniques for the Determination of Beta-Blockers in Biological Fluids: A Review [PDF]

open access: yesSeparations
Sample preparation is a critical step in the analytical process. Apart from the traditional sample cleanup approaches, microextraction-based techniques have attracted much attention in recent years and especially from researchers working in the analysis ...
Styliani Nisyriou   +1 more
doaj   +2 more sources

Application of hollow fiber liquid phase microextraction and dispersive liquid-liquid microextraction techniques in analytical toxicology. [PDF]

open access: yesJ Food Drug Anal, 2016
The recent developments in hollow fiber liquid phase microextraction and dispersive liquid–liquid microextraction are reviewed. Applications of these newly emerging developments in extraction and preconcentration of a vast category of compounds including
Sharifi V, Abbasi A, Nosrati A.
europepmc   +2 more sources

Fabric Phase Sorptive Extraction for the Determination of Anthracyclines in Sewage

open access: yesSeparations, 2022
Anthracyclines are a group of antineoplastic compounds used to treat acute leukemia and other cancers, and they are excreted after consumption by patients. These chemicals are often found in sewage at very low concentration levels.
Sergio Santana-Viera   +6 more
doaj   +1 more source

Emerging Contaminants in Seafront Zones. Environmental Impact and Analytical Approaches

open access: yesSeparations, 2021
Some chemical substances have the potential to enter the coastal and marine environment and cause adverse effects on ecosystems, biodiversity and human health.
José S. Câmara   +5 more
doaj   +1 more source

Magnetic deep eutectic solvents in microextraction techniques

open access: yesTrends in Analytical Chemistry (TrAC), 2022
Magnetic deep eutectic solvents (MDESs) have recently produced a torrent of pioneering applications in endless areas of sample preparation. By including a magnetic nanomaterial (e.g., magnetic nanoparticles) or a paramagnetic anion (e.g., [FeCl4]) in ...
M. Aguirre, A. Canals
semanticscholar   +1 more source

Solventless Microextration Techniques for Pharmaceutical Analysis: The Greener Solution

open access: yesFrontiers in Chemistry, 2022
Extensive efforts have been made in the last decades to simplify the holistic sample preparation process. The idea of maximizing the extraction efficiency along with the reduction of extraction time, minimization/elimination of hazardous solvents, and ...
Heba M. Mohamed
doaj   +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

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

Green Extraction Techniques as Advanced Sample Preparation Approaches in Biological, Food, and Environmental Matrices: A Review

open access: yesMolecules, 2022
Green extraction techniques (GreETs) emerged in the last decade as greener and sustainable alternatives to classical sample preparation procedures aiming to improve the selectivity and sensitivity of analytical methods, simultaneously reducing the ...
José S. Câmara   +9 more
doaj   +1 more source

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