Results 21 to 30 of about 1,341 (180)

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

Optimization of DLLME Extraction Parameters for Pesticides Analysis by High Performance Liquid Chromatography

open access: yesWorld Congress on Civil, Structural, and Environmental Engineering, 2022
© 2022, Avestia Publishing. All rights reserved.Pesticides have been used widely all over the world for centuries to increase agricultural production and to combat harmful pests. Pesticides used for agriculture, household, and public health sectors eventually reach water bodies, posing a risk to human health and the environment even in micro ...
Dadaşer Çelik, Filiz   +3 more
openaire   +3 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

Application of Dispersive Liquid-Liquid Microextraction in Forensic Toxicological Analysis [PDF]

open access: yesFayixue Zazhi, 2019
Currently, the main sample pretreatment methods for forensic toxic analysis are liquid-liquid extraction (LLE) and solid-phase extraction (SPE). As a simple, convenient, and low-cost LLE method, dispersion liquid-liquid microextraction (DLLME) has high ...
YANG Yu, ZHANG Yun-feng, LI Xin-tong,et al.
doaj   +1 more source

Dispersive liquid-liquid microextraction coupled with magnetic nanoparticles for extraction of zearalenone in wheat samples [PDF]

open access: yesNanochemistry Research, 2017
A new, sensitive and fast dispersive liquid-liquid microextraction (DLLME) coupled with micro-solid phase extraction (μ-SPE) was developed for determination of zearalenone (ZEN) in wheat samples.
Mitra Amoli-Diva   +3 more
doaj   +1 more source

Solid-phase extraction combined with dispersive liquid-liquid microextraction for the analysis of glucocorticoids in environmental waters using liquid chromatography-tandem mass spectrometry

open access: yesJournal of Chromatography Open, 2023
This paper illustrates an enrichment procedure based on the combination of solid phase extraction (SPE) with dispersive liquid-liquid microextraction (DLLME) for the determination of ng/L concentration levels of glucocorticoids in river water samples. In
Lorenzo Antonelli   +5 more
doaj   +1 more source

Comparison of Two Liquid-Liquid Microextractions for the Detection of Crocin in the Saffron and Biological Samples Using UV- Vis Spectrophotometry [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2018
In this work, two approaches based on Dispersive Liquid-Liquid MicroExtraction (DLLME) and Dispersive Liquid-Liquid MicroExtraction based on Solidification of Floating Organic Drop (DLLME-SFO) were compared for the extraction and preconcentration of ...
Somayeh Heydari
doaj  

Determination of Aflatoxins B1 and B2 in Powdered Milk Using Modified Liquid Chromatography Method [PDF]

open access: yesJournal of Kerman University of Medical Sciences, 2014
Background & Aims: In this study, using a liquid-liquid microextraction method for pre-concentration trace amounts of aflatoxins, the amount of Aflatoxins B1 and B2 in powdered milk was determined.
A Amini, D Afzali-Grooh, M Chamsaz
doaj  

Introduction and Review of Liquid-Liquid Microextraction Method, Development and Applications in Sample Preparation and Extraction

open access: yesتحقیقات نظام سلامت, 2022
Dispersive liquid-liquid microextraction (DLLME) is a novel sample-preparation technique that provides high enrichment factors from the low volume of aqueous samples.
Sara Karimi-Zeverdegani   +2 more
doaj  

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