Rapid Multi-Residue Analysis of Herbicides with Endocrine-Disrupting Properties in Environmental Water Samples Using Ultrasound-Assisted Dispersive Liquid–Liquid Microextraction and Gas Chromatography–Mass Spectrometry
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DOI: 10.1007/s10337-018-3530-4
Abstract: A highly efficient ultrasonic-assisted dispersive liquid–liquid microextraction (UA-DLLME) procedure coupled with gas chromatography–mass spectrometry was developed for simultaneous analysis of multiclass herbicides with endocrine-disrupting properties in environmental water samples. The parameters affecting the method’s extraction… read more here.
Keywords: liquid; water samples; dispersive liquid; assisted dispersive ... See more keywords
β-Cyclodextrin-grafted magnetic graphene oxide nanocomposites in ultrasound-assisted dispersive magnetic solid-phase extraction for simultaneous preconcentration of lead and cadmium ions
Sign Up to like & getrecommendations! Published in 2021 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-021-04412-y
Abstract: This article presents an ultrasound-assisted dispersive magnetic solid-phase extraction method (USA-DMSPE) to preconcentration Cd(II) and Pb(II) simultaneously. The adsorbent (mGO-βCD) was synthesized through three steps with consumption of environmentally friendly materials at room temperature. First… read more here.
Keywords: mgo; microscopy; dispersive magnetic; assisted dispersive ... See more keywords
Pre-concentration and Extraction of Aflatoxins from Rice Using Air-Assisted Dispersive Liquid–Liquid Microextraction
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DOI: 10.1007/s12161-018-1265-3
Abstract: An easy and quick sample pretreatment method, air-assisted dispersive liquid–liquid microextraction (AA-DLLME), has been introduced for the isolation and enrichment of aflatoxins B1, B2, G1, and G2 from rice samples prior to HPLC-FLD analysis. The… read more here.
Keywords: extraction; rice; liquid; air ... See more keywords
Magnetic graphitic carbon nitride nano-composite for ultrasound-assisted dispersive micro-solid-phase extraction of Hg(II) prior to quantitation by atomic fluorescence spectroscopy.
Sign Up to like & getrecommendations! Published in 2019 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2019.04.062
Abstract: A nanosheet structure of Fe3O4/g-C3N4 magnetic composite has been prepared and utilized as adsorbent for the ultrasound-assisted dispersive magnetic micro-solid-phase extraction of the ultra-trace inorganic mercury [Hg(II)]. Scanning electron microscopy, transmission electron microscopy, X-ray diffraction… read more here.
Keywords: ultrasound assisted; assisted dispersive; micro solid; microscopy ... See more keywords
Synthesis, modification, characterization and application of AC@Fe2O3@MnO2 composite for ultrasound assisted dispersive solid phase microextraction of refractory metals in environmental samples
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DOI: 10.1016/j.cej.2016.09.079
Abstract: Abstract Activated carbon-coated iron oxide @ manganese oxide nanoparticles (AC@Fe2O3@MnO2) were synthesized by sol-gel method. Activated carbons (AC) were prepared from tyres after carbonization at 900 °C and chemically activated using H2O2. The composite was characterized… read more here.
Keywords: phase microextraction; fe2o3 mno2; solid phase; assisted dispersive ... See more keywords
Monitoring of some trace metals in honeys by flame atomic absorption spectrometry after ultrasound assisted-dispersive liquid liquid microextraction using natural deep eutectic solvent
Sign Up to like & getrecommendations! Published in 2019 at "Microchemical Journal"
DOI: 10.1016/j.microc.2019.03.003
Abstract: Abstract In the present study, a simple, low-cost and green ultrasound assisted- dispersive liquid liquid microextraction (UA-DLLME) procedure was developed for monitoring of trace copper (Cu), cadmium (Cd) and lead (Pb) in honey prior to… read more here.
Keywords: ultrasound assisted; assisted dispersive; dispersive liquid; liquid liquid ... See more keywords
Ultrasound-assisted dispersive liquid-liquid microextraction for determination of enrofloxacin in surface waters
Sign Up to like & getrecommendations! Published in 2021 at "Microchemical Journal"
DOI: 10.1016/j.microc.2020.105633
Abstract: Abstract This work describes the development of an HPLC-FLD methodology for the separation of five fluoroquinolones (ciprofloxacin, enrofloxacin, sarafloxacin, norfloxacin and levofloxacin) followed by optimization of the DLLME process for the clean-up and preconcentration of… read more here.
Keywords: liquid; water; dispersive liquid; assisted dispersive ... See more keywords
Exfoliated graphitic carbon nitride nanosheets for on-line vortex-assisted dispersive micro-solid phase extraction of indium prior to determination by ICP-OES
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Environmental Analytical Chemistry"
DOI: 10.1080/03067319.2020.1779242
Abstract: A new online vortex-assisted dispersive micro-solid phase extraction method was developed for the preconcentration of trace amounts of indium as a prior step to its determination by inductively cou... read more here.
Keywords: vortex assisted; micro solid; solid phase; assisted dispersive ... See more keywords
Ultrasound-assisted dispersive microsolid-phase extraction approach for preconcentration of trace cobalt and nickel and sensitive determination in water, food and tobacco samples by flame atomic absorption spectrometry
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Environmental Analytical Chemistry"
DOI: 10.1080/03067319.2021.1928106
Abstract: Simpleand validated ultrasound-assisted dispersive microsolid-phase extraction (UA-DMSPE) approach for separation, and preconcentration of trace cobalt (Co(II)) and nickel (Ni(II)) ions in various ... read more here.
Keywords: preconcentration trace; microsolid phase; dispersive microsolid; assisted dispersive ... See more keywords
Ultra-trace Extraction of Two Bactericides Via Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of chromatographic science"
DOI: 10.1093/chromsci/bmaa083
Abstract: BACKGROUND A simple, rapid and sensitive method coupling ultrasound-assisted dispersive liquid-liquid microextraction (DLLME) with ultra-high performance liquid chromatography-tandem mass spectrometry was developed for the simultaneous determination of malachite green (MG) and crystal violet (CV) in… read more here.
Keywords: extraction; liquid; dispersive liquid; assisted dispersive ... See more keywords
Microwave-Assisted Dispersive Liquid-Liquid Microextraction Combined with HPLC for the Determination of Three Biogenic Amines in Beverages.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chromatographic science"
DOI: 10.1093/chromsci/bmac075
Abstract: Microwave-assisted dispersive liquid-liquid microextraction (MADLLME) coupled with high-performance liquid chromatography (HPLC) with diode array detector was used for the extraction and determination of three biogenic amines (BAs), including tryptamine, histamine and phenylethylamine in beverages (beer,… read more here.
Keywords: dispersive liquid; microextraction; microwave assisted; extraction ... See more keywords