Articles with "magnetic graphene" as a keyword



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Magnetic graphene oxide modified by imidazole-based ionic liquids for the magnetic-based solid-phase extraction of polysaccharides from brown alga.

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Published in 2017 at "Journal of separation science"

DOI: 10.1002/jssc.201700393

Abstract: Magnetic graphene oxide was modified by four imidazole-based ionic liquids to synthesize materials for the extraction of polysaccharides by magnetic solid-phase extraction. Fucoidan and laminarin were chosen as the representative polysaccharides owing to their excellent… read more here.

Keywords: graphene oxide; extraction; graphene; brown alga ... See more keywords
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Deep eutectic solvents skeleton typed molecularly imprinted chitosan microsphere coated magnetic graphene oxide for solid-phase microextraction of chlorophenols from environmental water.

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Published in 2019 at "Journal of separation science"

DOI: 10.1002/jssc.201901159

Abstract: A novel molecularly imprinted chitosan microspheres was prepared on the surface of magnetic graphene oxide, with deep eutectic solvents both as a functional monomer and template. The prepared molecularly imprinted chitosan microspheres-magnetic graphene oxide was… read more here.

Keywords: graphene oxide; extraction; imprinted chitosan; magnetic graphene ... See more keywords
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Magnetic solid-phase extraction of organophosphorus pesticides from apple juice and environmental water samples using magnetic graphene oxide coated with poly(2-aminoterephthalic acid-co-aniline) nanocomposite as a sorbent.

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Published in 2022 at "Journal of separation science"

DOI: 10.1002/jssc.202100873

Abstract: An effective magnetic solid-phase extraction method was proposed using magnetic graphene oxide coated with poly(2-aminoterephthalic acid-co-aniline) as a sorbent for preconcentration and extraction of organophosphorus pesticides from environmental water and apple juice samples, and determined… read more here.

Keywords: magnetic graphene; magnetic solid; using magnetic; solid phase ... See more keywords
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Silica Protection–Sacrifice Functionalization of Magnetic Graphene with a Metal–Organic Framework (ZIF-8) to Provide a Solid-Phase Extraction Composite for Recognization of Phthalate Easers from Human Plasma Samples

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Published in 2018 at "Chromatographia"

DOI: 10.1007/s10337-018-3673-3

Abstract: The integration of metal–organic frameworks (MOFs) and functionalized magnetic graphene (magG) to form composites has attracted growing attention due to the superimposed properties and extensive applications. However, so far it has not been possible to… read more here.

Keywords: protection sacrifice; human plasma; graphene; metal organic ... See more keywords
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Determination of lead ions in fish and oyster samples using a nano-adsorbent of functionalized magnetic graphene oxide nanosheets-humic acid and the flame atomic absorption technique

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Published in 2021 at "Environmental Monitoring and Assessment"

DOI: 10.1007/s10661-021-09613-x

Abstract: This study aims at the functionalization of magnetic graphene oxide nanosheets and the binding of humic acid as a lead complex ligand. Graphene oxide nanosheets possess a large surface area and various carboxylic acid groups… read more here.

Keywords: graphene oxide; atomic absorption; lead ions; magnetic graphene ... See more keywords

Efficient visible light photocatalytic activity based on magnetic graphene oxide decorated ZnO/NiO

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-6976-5

Abstract: ZnO/NiO/magnetic graphene oxide (ZNMG) nanocomposite has been successfully synthesized by depositing a ZnO/NiO on magnetic graphene oxide (MGo) sheets. The nanocomposite was characterized by X-ray powder diffraction (XRD), Fourier transform infrared (FT-IR) and Raman spectroscopy… read more here.

Keywords: graphene oxide; zno nio; visible light; spectroscopy ... See more keywords

Nanocomposite Bead (NCB) Based on Bio-polymer Alginate Caged Magnetic Graphene Oxide Synthesized for Adsorption and Preconcentration of Lead(II) and Copper(II) Ions from Urine, Saliva and Water Samples

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Published in 2018 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-018-0900-1

Abstract: The present study describes the successful fabrication of bio-polymeric nanocomposite bead (NCB) of alginate caged magnetic graphene oxide (Alg-MGO). NCB was obtained by crosslinking of sodium alginate and calcium ions in the presence of MGO.… read more here.

Keywords: alginate; caged magnetic; nanocomposite bead; bead ncb ... See more keywords

Preparation and assessment of magnetic graphene oxide/chitosan composite for removing radiocobalt from aqueous solution

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Published in 2020 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-020-07462-5

Abstract: A novel adsorbent of magnetic graphene oxide/chitosan (MGOC) composite has been prepared via chemical cross-linking method, and exhibits an extraordinary sorption capacity (about 59.82 mg/g) towards cobalt ions. The batch experiments revealed that MGOC is… read more here.

Keywords: graphene oxide; radiocobalt; oxide chitosan; preparation assessment ... See more keywords
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Preparation of PVA nanofibers reinforced with magnetic graphene by electrospinning method and investigation of their degradation kinetics using master plot analyses on solid state

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Published in 2017 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-017-6927-7

Abstract: In this study, magnetic graphene nanoparticles have been prepared by Hummers method. The synthesized magnetic graphene nanoparticles were applied in the preparation of polyvinyl alcohol/magnetic graphene (PVA/Fe3O4/G) nanofibers by the electrospinning process. The prepared nanoparticles… read more here.

Keywords: master; solid state; magnetic graphene; graphene ... See more keywords
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Magnetic graphene-based nanocomposites as highly efficient absorbents for Cr(VI) removal from wastewater

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-11634-x

Abstract: Due to the merits of their high adsorption and convenient separation, magnetic graphene-based composites have become a promising adsorbent in terms of wastewater treatment. However, recycling and regeneration properties of magnetic graphene-based composites are still… read more here.

Keywords: graphene based; fe3o4 rgo; magnetic graphene;
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Multi-functionalization of magnetic graphene by surface-initiated ICAR ATRP mediated by polydopamine chemistry for adsorption and speciation of arsenic

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.01.188

Abstract: Abstract Multi-functionalized magnetic graphene was prepared by surface-initiated initiators for continuous activator regeneration atom transfer radical polymerization (ICAR ATRP) mediated by polydopamine chemistry. The obtained multi-functionalized magnetic graphene was used as an adsorbent for application… read more here.

Keywords: magnetic graphene; speciation; adsorption; surface initiated ... See more keywords