Hierarchical mesoporous silica
Web1 de jan. de 2016 · Hierarchical porous silica monoliths: A novel class of microreactors for process intensification in catalysis and adsorption Les monolithes siliciques à porosité …
Hierarchical mesoporous silica
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WebSingle-handed helical silica nanotubes and nanoribbons have attracted much attention, due to their potential for applications in asymmetric catalysis and enantioseparation. However, their surface areas are usually lower than 200 m2/g. Herein, single-handed coiled silica nanoribbons with mesopores in their walls were prepared by changing the molar ratio of … Web25 de set. de 2024 · Tannic acid-templated mesoporous silica (TAMS) was synthesized using a simple nonsurfactant template method and dopamine-functionalized TAMS (Dop-TAMS), which was prepared via a biomimetic coating, was developed as a new support for immobilization of NHase (NHase@Dop-TAMS). The Dop-TAMS was thoroughly …
Web9 de abr. de 2024 · Laccase from Aspergillus sp. (LC) was immobilized on functionalized silica hierarchical (microporous-macroporous) MFI zeolite (ZMFI). The obtained … Web3 de ago. de 2016 · Hierarchical flowerlike Fe2O3 was coated with mesoporous silica to form a Fe2O3@mesoporous silica composite with a core/shell structure through a simple solution-based method with the assistance of Fe2O3 as a precursor. When used as a catalyst for a Fenton-like reaction for the degradation of methylene blue, the Fe2O3 …
Web15 de nov. de 2024 · In this study, the effect of NaOH on the synthesis of mesoporous silica (MS) by using municipal solid-waste incinerator (MSWI) ash slag was investigated. Moreover, the prepared MS was used as a support to evaluate its potential for the recovery of gold ions (Au(III)) from aqueous solution. The extraction process for the MSWI ash … WebThe straight-chain alkane-assisted synthesis of hierarchical mesoporous silica materials (MSM) results in variable mesostructures and morphologies due to remarkably different self-assembly routes of template agent from those without the assistance of straight-chain alkanes. The textural properties, particularly pore size, channel structure, morphology, …
WebMesoporous silica nanoparticles (MSNs) present themselves as one of the most promising nano-carriers for drug delivery. To reduce their immunotoxicities, in this study, natural …
WebMesoporous silica samples were obtained by sol–gel chemistry in acidic aqueous solutions. Hexagonally ( p 6 mm ) ordered mesoporous silica particles were obtained in … portland alphabet districtWeb1 de fev. de 2024 · 1. Introduction. Mesoporous silica microspheres (MSMs), with high surface area, high pore volumes and spherical particle morphology, have found … optical oddWeb15 de ago. de 2024 · 4. Conclusions. Micron-sized spherical mesoporous silica particles with hierarchical morphology were successfully synthesized at room temperature. The … portland alphabet district street namesWeb29 de ago. de 2024 · A series of meso–macroporous silica supports with the same macroporous diameter but different mesoporous diameters were prepared by introducing phase separation into a sol–gel process and used to prepare cobalt catalysts for Fischer–Tropsch synthesis. The mesoporous diameter could be controlled in the range … portland alphabet streetsWeb25 de ago. de 2004 · Hierarchical trimodal macro-mesoporous silica monoliths with co-continuous macrostructures and isotropic skeletons constructed by randomly oriented … optical occlusionWeb3 de ago. de 2012 · Owing to unique hierarchical pore structures, uniform nanoparticle size, significant biocompatibility and easy functionalization, dendritic mesoporous silica nanoparticles (DMSNs) as a new type ... portland analyticsWeb17 de mai. de 2024 · A new class of hierarchically structured mesoporous silica core-shell nanoparticles (HSMSCSNs) with a periodic mesoporous organosilica (PMO) core and a mesoporous silica (MS) shell is reported. The applied one-pot, two-step strategy allows rational control over the core/shell chemical composition, t … portland ami rents