Articles with "silica nanospheres" as a keyword



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Prepare porous silica nanospheres for water sustainability: high efficient and recyclable adsorbent for cationic organic dyes

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Published in 2017 at "Colloid and Polymer Science"

DOI: 10.1007/s00396-017-4224-4

Abstract: In this paper, we prepared monodisperse porous silica nanospheres (SiO2 NSs) to adsorb organic dyes. The obtained porous SiO2 NSs have uniform size of ~ 350 nm in diameter. Zeta potential result reveals the obtained porous SiO2… read more here.

Keywords: adsorption; organic dyes; porous sio2; sio2 nss ... See more keywords
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Effective and selective direct aminoformylation of nitroarenes utilizing palladium nanoparticles assisted by fibrous-structured silica nanospheres

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Published in 2020 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-020-04206-8

Abstract: Palladium nanoparticles (~ 1–3 nm, 0.4 wt% Pd) were uniformly distributed over the surface of fibrous silica nanospheres (KCC-1) modified via aminopropyltriethoxysilane using a fast and cost-effective palladium (II) chloride reduction process. The Pd nanoparticles (Pd… read more here.

Keywords: palladium nanoparticles; formic acid; silica nanospheres; palladium ... See more keywords
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Heterogeneous activation of peroxymonosulfate with cobalt incorporated fibrous silica nanospheres for the degradation of organic pollutants in water

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.148674

Abstract: Abstract For activation of peroxymonosulfate (PMS) into reactive oxygen species (ROS), the catalysts with highly exposed active sites and improved mass transfer efficiency is desirable. Herein, cobalt incorporated fibrous silica nanospheres (Co-X/KCC-1) were fabricated by… read more here.

Keywords: incorporated fibrous; fibrous silica; cobalt incorporated; activation ... See more keywords
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A facile solvent-free and one-step route to prepare amino-phosphonic acid functionalized hollow mesoporous silica nanospheres for efficient Gd(III) removal

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Published in 2020 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2019.118688

Abstract: Abstract Gadolinium is known to be a most widely used but toxic rare-earth element, and Gd(III) ions exist in aqueous media will bring about serious damage to the ecosystem. However, few work on the application… read more here.

Keywords: adsorption; mesoporous silica; phosphonic acid; silica nanospheres ... See more keywords
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Functionalized surfactant based catanionic vesicles as the soft template for the synthesis of hollow silica nanospheres as new age drug carrier

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Published in 2020 at "Surfaces and Interfaces"

DOI: 10.1016/j.surfin.2020.100596

Abstract: Abstract Conceptualizing surfactant vesicles as soft templates to construct nanometer sized hollow inorganic spheres require understanding the interactions between vesicle bilayers and growing material. Herein we had investigated the spontaneous vesicle formation in an aqueous… read more here.

Keywords: vesicles soft; hollow silica; drug; silica nanospheres ... See more keywords
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Morphology Evolution and Spatially Selective Functionalization of Hierarchically Porous Silica Nanospheres for Improved Multidrug Delivery

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Published in 2017 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.7b03735

Abstract: Hierarchically porous materials are believed one of the most promising matrix materials due to their unique multimodal pore structures and great application potentials in catalysis, separation, and biomedicine. In this article, a series of hierarchically… read more here.

Keywords: evolution spatially; morphology evolution; silica; porous silica ... See more keywords

Silica Nanospheres-Coated Nanofibrillated Cellulose for Removal and Detection of Copper(II) Ions in Aqueous Solutions

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Published in 2019 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.8b06343

Abstract: Organic–inorganic hybrids incorporating cellulose/silica carrier particles functionalized with tetraethylenepentamine (SiO2@Cel-TEPA) were synthesized for the sensing and sequestering of Cu(II) ions from contaminated waters with high-performance naked eye sensing and efficient removal. The modification of the… read more here.

Keywords: cel tepa; nanospheres coated; microscopy; silica nanospheres ... See more keywords
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Stable Luminous Nanocomposites of Confined Mn2+-Doped Lead Halide Perovskite Nanocrystals in Mesoporous Silica Nanospheres as Orange Fluorophores.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b00010

Abstract: Creating highly stable inorganic perovskite nanocrystals (CsPbX3, where X = Cl, Br, and I) with excellent optical performance is challenging because their optical properties depend on their ionic structure and its inherent defects. Here, we… read more here.

Keywords: mn2; mn2 doped; mn1 cl3; mesoporous silica ... See more keywords
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Chiral Skeletons of Mesoporous Silica Nanospheres to Mitigate Alzheimer's β-Amyloid Aggregation.

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Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c12214

Abstract: Chiral mesoporous silica (mSiO2) nanomaterials have gained significant attention during the past two decades. Most of them show a topologically characteristic helix; however, little attention has been paid to the molecular-scale chirality of mSiO2 frameworks.… read more here.

Keywords: mesoporous silica; chiral msio2; silica nanospheres; chirality ... See more keywords
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Sulfonated dendritic mesoporous silica nanospheres: a metal-free Lewis acid catalyst for the upgrading of carbohydrates

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Published in 2020 at "Green Chemistry"

DOI: 10.1039/c9gc03489g

Abstract: Lignocellulosic biomass is becoming a viable alternative or complementary source for obtaining petroleum-derived products such as fuels, polymers and fine chemicals, among others. Nevertheless, the successful upgrading of lignocellulosics requires the design of efficient and… read more here.

Keywords: sulfonated dendritic; mesoporous silica; silica nanospheres; catalyst ... See more keywords
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Interfacial charge shielding directs the synthesis of dendritic mesoporous silica nanospheres by a dual-templating approach

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Published in 2019 at "New Journal of Chemistry"

DOI: 10.1039/c9nj03441b

Abstract: A unique ethylene oxide (EO) layer coated core–shell structured spherical micelle was used as a building unit to synthesize dendritic mesoporous silica nanospheres (DMSNs) by a dual-templating approach. read more here.

Keywords: mesoporous silica; templating approach; silica nanospheres; dendritic mesoporous ... See more keywords