Results 81 to 90 of about 4,299 (226)

A Simple in Syringe Low Density Solvent-Dispersive Liquid Liquid Microextraction for Enrichment of Some Metal Ions Prior to Their Determination by High Performance Liquid Chromatography in Food Samples

Molecules, 2020
A simple and highly sensitive method is developed for the simultaneous determination of Ni2+, Cr2O72−, Co2+, and Hg2+ by using in syringe low density solvent-dispersive liquid liquid microextraction (ISLD-DLLME), followed by high performance liquid
Melasinee Laosuwan, Siriboon Mukdasai, Supalax Srijaranai   +2 more
doaj   +1 more source

Recent Trends in the Development of Green Analytical Sample Preparation Methods Using Advanced Materials

Journal of Separation Science, Volume 48, Issue 5, May 2025.
ABSTRACT Recent concern about the impact of environmental preservation and the health of living beings has opened new avenues for scientific research. In this context, contemporary analytical chemistry has been marked by the development of green analytical methodologies, which aim to reduce the use of toxic reagents and minimize the environmental ...
Eduardo Carasek, Amanda Vitória Santos, Francielle Crocetta Turazzi, Lucas Morés, Luciane Effting, Guilherme Mariz de Oliveira Barra   +5 more
wiley   +1 more source

Trace mercury determination in drinking and natural water after preconcentration and separation by DLLME-SFO method coupled with cold vapor atomic absorption spectrometry

E3S Web of Conferences, 2014
A novel dispersive liquid–liquid microextraction based on solidification of floating organic drop (DLLME-SFO) for simultaneous separation/preconcentration of ultra trace amounts of mercury was used.
Abdollahi Atousa, Amirkavehei Mooud, Gheisari Mohammad Mehdi, Tadayon Fariba   +3 more
doaj   +1 more source

A rapid and cost‐effective method based on dispersive liquid‐liquid microextraction coupled to injection port silylation‐gas chromatography‐mass spectrometry for determination of morphine in illicit opium

Analytical Science Advances, 2021
A simple, rapid, cost‐effective and environment friendly analytical method based on dispersive liquid‐liquid microextraction (DLLME) coupled to injection port silylation (IPS)–gas chromatography‐mass spectrometry is described for the determination of ...
Rajeev Jain, Meenu Singh, Aparna Kumari, Rohitshva Mani Tripathi   +3 more
doaj   +1 more source

Application of Molecularly Imprinted Polymers as Separation Tools for Determination of Aflatoxins in Food

Journal of Food Science, Volume 90, Issue 5, May 2025.
ABSTRACT Molecularly imprinted polymers (MIPs) have emerged as an innovative technology for the selective determination of aflatoxins, thus presenting a promising strategy for enhancing food safety. Aflatoxins are a potent group of mycotoxins that present significant health and economic challenges worldwide, highlighting the urgent need for rapid ...
Mesha Mbisana, Dikabo Mogopodi, Moses T. Kabomo, Inonge Chibua, Bonang B. M. Nkoane   +4 more
wiley   +1 more source

The role of mycotoxins in the human exposome: Application of mycotoxin biomarkers in exposome-health studies [PDF]

, 2018
Mycotoxins are secondary metabolites produced by fungi that may contaminate different foods intended for human consumption, resulting in a widespread exposure worldwide. The novel exposome paradigm has the ambition to decipher the different environmental
Cano Sancho, German, Marín Sillué, Sònia, Ramos Girona, Antonio J., Sanchís Almenar, Vicente   +3 more
core   +4 more sources

Miniaturized green liquid‐phase sample pre‐concentration methods for pharmaceutical drugs assessment in wastewater

Water and Environment Journal, Volume 39, Issue 2, Page 143-167, May 2025.
Abstract Microextraction methods such as hollow fibre‐liquid phase microextraction (HF‐LPME), dispersive liquid–liquid microextraction (DLLME), single‐drop microextraction (SDME) and ultrasound‐assisted emulsification microextraction (USAEME) have become prominent for analysing pharmaceuticals in wastewater. HF‐LPME, particularly the three‐phase system,
Bavuyile Magqira, Precious Mahlambi
wiley   +1 more source

A Simple Dispersive Liquid-Liquid Microextraction for the Determination of Copper II in the Water Samples of the Halfaya Oil Field in Maysan

Al-Mustansiriyah Journal of Science
Background: Copper, an important trace element for life on Earth, is crucial to many metabolic processes. This includes its role in the production and breakdown of nucleic acids and the metabolism of proteins, lipids, and carbohydrates.
Anwer S. Salim, Mohammed Z. Thani, Abdull Jabar KH. Atia, Hassan A. Fattah   +3 more
doaj   +1 more source

Liquid-Liquid Microextraction of Vanadyl Porphyrins by Nano-baskets [PDF]

, 2012
The novelties of this approach are introducing the self-settled dispersive liquid-liquid microextraction technique to remove the centrifuging step, conducting the dispersive liquid phase microextraction in complex organic systems, applicability of ...
Mokhtari, B., Pourabdollah, K.
core  

Liquid Chromatographic and Capillary Electromigration Techniques for the Analysis of Azole Antifungals

Journal of Separation Science, Volume 48, Issue 4, April 2025.
ABSTRACT Since the introduction of azoles as antifungals in 1979, they gradually gained a spotlight in both medicinal and industrial fields. Other than being the leading antifungal medicinal drug agents, azoles have also been a major pesticide in agricultural industry.
Tuuliina Tuominen, Dumidu Perera, Giacomo Russo, Susanne K. Wiedmer   +3 more
wiley   +1 more source