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A rapid room-temperature cloud point extraction for spectrophotometric determination of Copper (II) with 6,7-dihydroxy-2,4-diphenylbenzopyrylium chloride
The conditions for the surfactant rich phase of Triton X-100 formation and the extraction of Copper (II) as a complex with...
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A Fabric Phase Sorptive Extraction Protocol Combined with Liquid Chromatography-Fluorescence Detection for the Determination of Ochratoxin in Food Samples
The sample preparation step is very useful in obtaining precise and accurate results. Achieving a quickly performed, inexpensive, sensitive, and...
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Air-assisted cloud point extraction coupled with inductively coupled plasma optical emission spectroscopy for determination of samarium in environmental samples
For the first time, air-assisted cloud point extraction (AACPE) was presented to preconcentrate metal ions. The procedure was conjugated with...
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Extraction and Analysis of Polyphenolic Compounds in Ficus carica L.
Figs (Ficus carica L.) are a rich source of phytochemicals and are of high economic value due to their medicinal properties and potential use in drug... -
Determination of an optimum extraction region for the recovery of bioactive compounds from olive leaves (Olea europaea L.) using green dynamic pressurized liquid extraction
Pressurized liquid extraction with water and ethanol was employed to obtain high antioxidant extracts from olive leaves ( Olea europaea L.). The...
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Pressurized solvent extraction for the determination of alkanes and polycyclic aromatic hydrocarbons by GC/MS in diesel engine emissions: optimization by response surface methodology
The particulate pollution problem is very complex due to the diversity of sources, the chemical composition of the effluents, the size of the...
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Characterization of cellulase immobilized by different methods of entrapment and its application for carrot juice extraction
In the present study, cellulase has been immobilized by two different methods of entrapment viz. encapsulation in calcium alginate and matrix...
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Green chromatographic methods for determination of co-formulated lidocaine hydrochloride and miconazole nitrate along with an endocrine disruptor preservative and potential impurity
Recently, green analytical chemistry (GAC) is a key issue towards the idea of sustainability, the analytical community is focused on develo**...
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An optimization study for amino acid extraction from bee bread using choline chloride-acetic acid deep eutectic solvent and determination of individual phenolic profile
In this study, the aim was to optimize the extraction conditions (molar ratio, time, temperature) in order to maximize the total individual amino...
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Determination of lead and cadmium by magnetic solid-phase extraction (MSPE) using Co3O4@Fe3O4 nanoflowers and flame atomic absorption spectrometry (FAAS)
Heavy metal ions penetrate wastewater and clean water sources, leading to environmental pollution which adversely affecting human health. The...
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Determination of Polycyclic Aromatic Hydrocarbons (PAHs) in Seafood by Matrix Solid-Phase Dispersion and Pressurized Liquid Extraction Followed by GC-MS/MS Analysis
Polycyclic aromatic hydrocarbons (PAHs) are hazardous organic contaminants that pose a significant chemical risk to consumers. One of the main... -
Surface molecularly imprinted solid-phase extraction for the determination of vancomycin in plasma samples using HPLC–MS/MS
Vancomycin is a glycopeptide antibiotic used to treat infections caused by Gram-positive bacteria. Due to the narrow therapeutic index of vancomycin,...
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Evaluation of three extraction methods for the isolation of PAHs from recycled paperboard materials intended for food contact applications
The present work is part of a comprehensive study aiming to identify and quantify an array of harmful contaminants at very low concentrations in...
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Comparison of Two Extraction Techniques (SDE vs. SPME) for the Determination of Garlic and Elephant Garlic Volatile Compounds
Two extraction techniques, simultaneous distillation–extraction (SDE) and solid phase microextraction (SPME), were compared for the determination of...
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Core–shell-structured magnetic covalent organic frameworks for effective extraction of parabens prior to their determination by HPLC
Covalent organic framework (COF)–decorated magnetic nanoparticles (Fe 3 O 4 @DhaTab) with core–shell structure have been synthesized by one-pot method....
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Simple extraction procedure for free amino acids determination in selected gluten-free flour samples
The simple extraction of flours samples followed by free amino acids determination procedures was studied and optimised. The conditions of amino...
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A radiochemistry laboratory exercise: determination of uranium in tap water by solvent extraction and liquid scintillation counting
Environmental radiochemistry is a key pillar of the education of nuclear engineering students and young professionals. Teaching the fundamentals of...
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Extraction and Assessment Methods as Well as Resources of Natural Antioxidants in Foods and Herbs
Antioxidants could scavenge free radicals in the human body, and prevent and treat diseases induced by oxidative stress. In addition, antioxidants... -
Direct Determination of Pyrethroids in Aqueous Samples by a Metal Organic Framework “MIL-101(Cr)” Sorbent for Solid-Phase Extraction and Thermal Desorption Coupled with GC-FID
AbstractIn this study, an online solid-phase extraction-thermal desorption method coupled with gas chromatography-flame ionization detection was used...
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Impacts of extraction methods on physicochemical characteristics and bioactivities of polysaccharides from rice bran
In this paper, hot water extraction (HWE), ultrasonic microwave cooperative extraction (UMAE) and alkali extraction (AE) were used to extract...