Development and Optimization of a Dispersive Liquid-Liquid Microextraction Method for the Simultaneous Determination of Multiclass Pesticides in Environmental Waters. [PDF]
Anal Sci AdvABSTRACT The widespread use of pesticides in modern agriculture necessitates sensitive and sustainable methods to monitor their residues in environmental waters. This study reports the development and optimization of a dispersive liquid–liquid microextraction (DLLME) method combined with high performance liquid chromatography with diode array detector (
Negussie BT, Dube S, Muzi NM, Tesfaw A.
europepmc +2 more sources
Rapid and Simple Dispersive Liquid-Liquid Microextraction (DLLME) Sample Preparation for Propofol Analysis in Hair, Blood, and Urine by Gas Chromatography-Mass Spectrometry. [PDF]
Drug Test AnalDevelopment and validation of an extraction method based on dispersive liquid–liquid microextraction for the analysis by GC–MS of propofol in three different biological samples (blood, urine, and hair). The proposed method is very simple and rapid.
Odoardi S +4 more
europepmc +2 more sources
Medicine Dropper-Assisted Solvent Bar Micro-Extraction (SBME) of Imidacloprid Pesticide From Fruit Samples Utilizing a Facemask's Meltdown Layer as a Holder of a Deep Eutectic Extraction Solvent. [PDF]
Anal Sci AdvABSTRACT In response to an emerging need for the development of advanced analytical methods to guarantee food quality and safety, this study presents a novel medicine dropper‐assisted SBME (MD‐SBME) that was developed. The technique uses a meltdown layer of a facemask (MLF) as a holder of the extraction solvent.
Musarurwa H +4 more
europepmc +2 more sources
SALLE combined with LD-DLLME for pesticides analysis in sugar and soil samples
Bulletin of the Chemical Society of Ethiopia, 2021 In this study, a modified salting-out-assisted liquid-liquid extraction (SALLE) combined with low density dispersive liquid-liquid microextraction (LD-DLLME) has been developed for quantitative determination of multiclass pesticide residues (atrazine, diazinon, ametryn, terbutryn, chlorpyrifos, dimethametryn, 4,4'-dichlorodiphenyldichloroethylene (4,4'-
T. Tolcha, K. Gomoro, N. Megersa
openaire +2 more sources
Ultra Preconcentration of Polycyclic Aromatic Hydrocarbons in Smoked Bacon by a Combination of SPE and DLLME [PDF]
Journal of Chromatographic Science, 2013 A sample pretreatment method, solid-phase extraction combined with dispersive liquid-liquid microextraction (SPE-DLLME), was established for the sensitive determination of polycyclic aromatic hydrocarbons (PAHs) in smoked bacon samples. In the SPE-DLLME process, three PAHs including naphthalene (Naph), phenanthrene (Phen) and pyrene (Pyr) were ...
Xiaofang, Liu +4 more
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Ionic Liquid-Assisted DLLME and SPME for the Determination of Contaminants in Food Samples
Separations, 2022 Developing effective and green methods for food analysis and separation has become an urgent issue regarding the ever-increasing concern of food quality and safety. Ionic liquids (ILs) are a new chemical medium and soft functional material developed under the framework of green chemistry and possess many unique properties, such as low melting points ...
Lirong Nie +6 more
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Revised paper: Neonicotinoids as a potential threat to honey: Development of liquid chromatography methods for their determination [PDF]
Journal on Processing and Energy in Agriculture, 2017 There is an increasing interest on neonicotinoid residues determination in honey samples because they are banned by European Union. Their determination is based on liquid chromatography analytical methods and, therefore, the aim of this study was to ...
Jovanov Pavle +6 more
doaj +1 more source
Electrochemical Process for Diazinon Removal from Aqueous Media: Design of Experiments, Optimization, and DLLME-GC-FID Method for Diazinon Determination [PDF]
, 2015 In the present study, electrochemical process was studied via removal of diazinon (O,O-diethyl O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothioate) as an insecticide/ acaricide organic case study.
Daraei, H. +4 more
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Química Nova, 2022 Dispersive liquid-liquid microextraction (DLLME) is a fast and simple technique and applicable procedure for the analysis of xenobiotics in different biological matrices. We have developed a DLLME method for the determination of benzodiazepines in plasma
Geovane de Almeida Saldanha +3 more
doaj +1 more source
A method validation for simultaneous determination of phthalates and bisphenol A released from plastic water containers [PDF]
, 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