Chemically functionalized silica nanoparticles‐based solid‐phase extraction for effective pre‐concentration of highly toxic metal ions from food and water samples
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.4012
Abstract: In this research study, an efficient solid-phase extraction procedure based on a new organometallic, effective, eco-friendly and bio-degradable nanoadsorbent was firstly introduced for influential pre-concentration of Cu(II), Zn(II), Pb(II), Cd(II) and Mn(II) ions from food… read more here.
Keywords: pre concentration; extraction; food water; solid phase ... See more keywords
Chromatomembrane pre-concentration of phenols using a new 3D printed micro flow cell followed by RP HPLC determination.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of separation science"
DOI: 10.1002/jssc.202100089
Abstract: Chromatomembrane process represents a universal approach to the separation of compounds in liquid-gas and liquid-liquid phases systems. However, the broad application of chromatomembrane separation methods in chemical analysis is restricted by the absence of serially… read more here.
Keywords: pre concentration; flow cell; determination; chromatomembrane ... See more keywords
Efficient pre-concentration of As(III) in food samples using guanidine-modified magnetic mesoporous silica
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Porous Materials"
DOI: 10.1007/s10934-020-00873-5
Abstract: An efficient magnetic mesoporous structure was designed and prepared for the facile pre-concentration of As(III) ions. To prepare the sorbent, core–shell magnetic silica nanoparticles were covered by MCM-41 like structure and then the surface was… read more here.
Keywords: iii; pre concentration; silica; concentration iii ... See more keywords
Application of ion-imprinted polymer synthesized by precipitation polymerization as an efficient and selective sorbent for separation and pre-concentration of chromium ions from some real samples
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-018-1413-0
Abstract: In this study, a new Cr(III)-imprinted polymer (Cr(III)-IIP) is prepared from CrCl3·6H2O, methacrylic acid functional monomer, ethyleneglycoldimethacrylate cross-linking agent, 2,2ʹ-azobisisobutyronitrile radical initiator and 2,2-(azanediylbis (ethane-2,1-diyl))bis(isoindoline-1,3-dione) ligand. To obtain the maximum adsorption capacity, the optimum condition… read more here.
Keywords: pre concentration; real samples; imprinted polymer; iip ... See more keywords
Pre-concentration and determination of zinc in water samples by ligand assisted pseudo stirbar hollow fiber solid/liquid phase microextraction
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2014.05.021
Abstract: Abstract Pre-concentration and determination of Zn (II) across a ligand assisted pseudo stirbar hollow fiber solid/liquid phase microextraction method in water samples has been investigated. All detections were carried out by differential pulse anodic stripping… read more here.
Keywords: water samples; concentration; hollow fiber; pre concentration ... See more keywords
A systematic process synthesis method towards sustainable extractive distillation processes with pre-concentration for separating the binary minimum azeotropes
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115932
Abstract: Abstract A systematic process synthesis method is investigated towards sustainable extractive distillation with pre-concentration. To approach energy saving, it is one of the common senses to eliminate the infamous remixing effects. In detail, the energy… read more here.
Keywords: pre concentration; extractive distillation; systematic process; column ... See more keywords
Synthesis and characterization of magnetic poly(acrylonitrile-co-acrylic acid) nanofibers for dispersive solid phase extraction and pre-concentration of malachite green from water samples
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Industrial and Engineering Chemistry"
DOI: 10.1016/j.jiec.2017.11.010
Abstract: Abstract This research describes the development of a new design of nanosorbents, magnetic poly(acrylonitrile-co-acrylic acid) (PAN-co-AA) nanofibers, for the pre-concentration of malachite green (MG) residues in water samples via dispersive magnetic solid phase extraction (d-MSPE)… read more here.
Keywords: pre concentration; extraction; water samples; magnetic poly ... See more keywords
An integrated strategy for extraction and pre-concentration of four astragalosides from Radix Astragali by a formulated surfactant aqueous system
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Industrial and Engineering Chemistry"
DOI: 10.1016/j.jiec.2018.11.003
Abstract: Abstract Integrated and environmentally friendly methods for extraction and enrichment of natural products have gained increasing interests. The proposed preparation process provides the possibility that extraction and pre-concentration for astragalosides from Radix Astragali roots can… read more here.
Keywords: system; astragalosides radix; radix astragali; extraction pre ... See more keywords
Switchable solvent-based micro-extraction of pesticides in food and environmental samples.
Sign Up to like & getrecommendations! Published in 2021 at "Talanta"
DOI: 10.1016/j.talanta.2020.121807
Abstract: Switchable solvents are new generation solvents that are environmentally friendly and can be used for the effective pre-concentration of pesticide residues in food and environmental matrices. They have physico-chemical properties that can be switched abruptly… read more here.
Keywords: pre concentration; food environmental; micro extraction; concentration ... See more keywords
Sorptive extraction of pesticides from food and environmental samples using metal organic framework-based adsorbents
Sign Up to like & getrecommendations! Published in 2021 at "Trends in Environmental Analytical Chemistry"
DOI: 10.1016/j.teac.2021.e00141
Abstract: Abstract Sorptive pre-concentration of pesticide residues in food and environmental samples is increasingly gaining momentum. This can be attributed to fact that most sorptive extraction techniques are solvent-free as well as the availability of emerging… read more here.
Keywords: pre concentration; environmental samples; pesticides food; food environmental ... See more keywords
Pre-concentration of microRNAs by LNA-modified magnetic beads for enhancement of electrochemical detection
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-99145-8
Abstract: MicroRNAs are extremely promising candidates for early cancer diagnosis and prognosis. The levels of circulating microRNAs provide valuable information about cancer disease at its early stages. However, the levels of microRNAs that need to be… read more here.
Keywords: pre concentration; detection; concentration micrornas; magnetic beads ... See more keywords