Articles with "silica coated" as a keyword



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Synthesis and characterization of sodium polyaspartate-functionalized silica-coated magnetite nanoparticles: A heterogeneous, reusable and magnetically separable catalyst for the solvent-free synthesis of 2-amino-4H-chromene derivatives

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Published in 2018 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.4108

Abstract: An efficient and facile method was used for the synthesis of sodium polyaspartate-functionalized silica-coated magnetite nanoparticles. The structure of this nanoparticle was characterized by scanning electron microscopies, X-ray diffraction, energy-dispersive X-ray, Fourier transform infrared spectroscopies… read more here.

Keywords: silica coated; functionalized silica; sodium polyaspartate; polyaspartate functionalized ... See more keywords
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Thermal properties of silica-coated cellulose fibers for increased fire-resistance

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Published in 2017 at "Journal of Sol-Gel Science and Technology"

DOI: 10.1007/s10971-017-4445-5

Abstract: In this paper, two precipitation methods of silica, i.e., sol–gel method and silica polymer precipitation, were compared in terms of their impact on the thermal properties of impregnated cellulose fibers. Additionally, the pre-treatment process consisting… read more here.

Keywords: properties silica; silica coated; precipitation; cellulose fibers ... See more keywords
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Silica-coated MgAl2O4 nanoparticles supported phosphotungstic acid as an effective catalyst for synthesis of α-aminophosphonates

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Published in 2019 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-019-03737-z

Abstract: In this research, a recoverable catalyst (MgAl2O4@SiO2–PTA) was prepared by a simple utilization method. The prepared catalyst was characterized by XRD, FT-IR, SEM, EDX, ICP-AES, and BET techniques. The average crystallite size of MgAl2O4 was… read more here.

Keywords: silica coated; catalyst synthesis; mgal2o4; synthesis aminophosphonates ... See more keywords
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Tungstate-supported silica-coated magnetite nanoparticles: a novel magnetically recoverable nanocatalyst for green synthesis of nitroso arenes

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Published in 2019 at "Chemical Papers"

DOI: 10.1007/s11696-019-00708-x

Abstract: Tungstate ion was heterogenized on the silica-coated magnetite nanoparticles and applied for the selective oxidation of anilines to nitroso arenes—with hydrogen peroxide/urea as oxidant in dimethyl carbonate as solvent—in moderate–good yields (40–96%). The catalyst was… read more here.

Keywords: tungstate supported; silica coated; magnetite nanoparticles; nitroso arenes ... See more keywords
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A New Core@Shell Silica-Coated Magnetic Molecular Imprinted Nanoparticles for Selective Detection of Sunset Yellow in Food Samples

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Published in 2017 at "Food Analytical Methods"

DOI: 10.1007/s12161-017-0803-8

Abstract: In this work, silica-coated magnetic nanoparticles were used as seed particles in the production of molecularly imprinted polymer (MIP) shells by copolymerization of ethylene glycol dimethacrylate with methacrylic acid in the presence of sunset yellow… read more here.

Keywords: sunset yellow; silica coated; food samples; core shell ... See more keywords
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Highly effective removal of mercury and lead ions from wastewater by mercaptoamine-functionalised silica-coated magnetic nano-adsorbents: Behaviours and mechanisms

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2016.09.098

Abstract: Abstract A novel hybrid material was fabricated using mercaptoamine-functionalised silica-coated magnetic nanoparticles (MAF-SCMNPs) and was effective in the extraction and recovery of mercury and lead ions from wastewater. The properties of this new magnetic material… read more here.

Keywords: silica coated; functionalised silica; mercury lead; mercaptoamine functionalised ... See more keywords
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Silica coated LSMO magnetic nanoparticles for the pH-Responsive delivery of 5-Fluorouracil anticancer drug

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Published in 2017 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2017.07.059

Abstract: Abstract The design of a drug delivery system capable of a pH-responsive controlled 5-fluorouracil anticancer drug release to cancer sites is one of the important options to reduce the well documented side effects of this… read more here.

Keywords: silica coated; fluorouracil anticancer; drug; anticancer drug ... See more keywords
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Green synthesis of 2-hydrazonyl-4-phenylthiazoles using KIT-6 mesoporous silica coated magnetite nanoparticles

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Published in 2017 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2016.08.044

Abstract: Abstract A clean and environmentally benign route to synthesize a series of some benzothiazole derivatives using the reaction between various synthetized aldehydes, thiosemicarbazide and different acetophenones and N-bromosuccinimide as a substrate instead of haloacetophenones reported… read more here.

Keywords: silica coated; green synthesis; mesoporous silica; magnetite nanoparticles ... See more keywords
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Promoted activity of porous silica coated Ni/Ceo(2)-Zro(2) catalyst for steam reforming of acetic acid

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Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2017.07.086

Abstract: Abstract Porous silica coated Ni/CeO 2 ZrO 2 catalysts were synthesized for steam reforming of acetic acid. The silica coated Ni/CeO 2 ZrO 2 catalyst showed a significantly enhanced activity (95% acetic acid conversion) than… read more here.

Keywords: silica coated; coated ceo; zro; ceo zro ... See more keywords
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Synthesis and characterization of molecularly imprinted magnetite nanomaterials as a novel adsorbent for the removal of heavy metals from aqueous solution

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Published in 2019 at "Journal of Materials Research and Technology"

DOI: 10.1016/j.jmrt.2019.07.034

Abstract: Abstract For simultaneous water purification from both inorganic and organic pollutants, a novel multifunctional hybrid nanoadsorbent has been produced. Molecularly imprinted (MI) magnetic submicron-particles with iron oxide core and silica shell (Fe3O4/SiO2) were used as… read more here.

Keywords: heavy metals; edta; silica coated; molecularly imprinted ... See more keywords
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Photocatalytic degradation of methyl orange mediated by a silica coated nanomagnet porphyrin hybrid

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Published in 2021 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2021.121751

Abstract: Abstract The photocatalytic activity of a silica coated nanomagnet porphyrin hybrid (NPH) and of the corresponding porphyrin precursors (H2P and ZnP) was evaluated in the degradation of the methyl orange dye (MO) under visible light… read more here.

Keywords: degradation methyl; nanomagnet porphyrin; silica coated; coated nanomagnet ... See more keywords