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Showing 1 to 20 of 76 for “"Mesoporous Silica"”.
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Direct liquid crystal templating of mesoporous silica
… is concerned with the development of ordered<br/>mesoporous silicas by direct templating from lyotropic liquid crystal phases of the<br/>surfactants Pluronic PI23, Pluronic F127, CTAB and Brij 78. The factors affecting the<br/>regularity, morphology, pore diameter and wall thickness of the …
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Mesoporous silica encapsulated metal nanoparticles in catalysis
… and complicates their surface structures. Mesoporous silica shells can be used to encapsulate monometallic and bimetallic nanoparticles with high sinter-resistance for high-temperature treatment, and enables their applications for harsh reaction conditions and fundamental mechanism studies. …
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Feedback active coatings based on mesoporous silica containers
Metalle werden oft während ihrer Anwendung korrosiven Bedingungen ausgesetzt, was ihre Alterungsbeständigkeit reduziert. Deswegen werden korrosionsanfällige Metalle, wie Aluminiumlegierungen mit Schutzbeschichtungen versehen, um den Korrosionsprozess aktiv oder passiv zu verhindern. Die klassischen …
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Development of tandem catalytic systems utilizing mesoporous silica nanoparticles
… used to synthesize these molecules. Using mesoporous materials, mesoporous silica nanoparticles, specifically, as supports and compartmentalization tools in tandem catalysis can increase recyclability and durability, making an even more efficient and green catalytic system. MSN makes an …
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X-ray Scattering Study Of Capillary Condensation In Mesoporous Silica
… relative vapor pressure of the fluid. Periodic mesoporous silica such as MCM-41 and SBA-15 were synthesized and used as the samples with water as the capillary condensation agent.The gas sorption method and SAXS were used to extract the pore parameters of the samples.The stresses acting on the …
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Formulation Devlopment Of Mesoporous Silica Nanoparticles As An Injectable Delivery System
… versatile and robust injectable carrier based on Mesoporous Silica Nanoparticles (MSN) for drug/drug combination therapies. The objective of my dissertation was to optimize surface functionality, particle shape and methods of colloidal stabilization of mesoporous silica by PEG for delivery of …
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Critical considerations in development of mesoporous silica nanoparticles for biological applications.
In the past ten years, mesoporous silica nanoparticles have been some of the hottest materials investigated for biomedical use. Mesoporous silica nanoparticles are size-controllable and discrete particles with high surface area, large pore volume, and easy surface modification properties. These …
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PREPARATION AND EVALUATION OF MESOPOROUS SILICA NANOPARTICLES FOR PLATINUM-ACRIDINE ANTICANCER DRUG DELIVERY
Mesoporous silica nanoparticles (MSNs) have a wide range of applications in the basic and biomedical sciences. Because of their unique pore structures and physicochemical properties, MSNs have recently attracted major attention as an inert carrier material in oncology drug formulations. In this …
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The use of mesoporous silica as a template for the nanocasting of metal oxide arrays
The mesoporous silica SBA-15 was used as a template for the formation of metal oxide nanowire arrays using the nanocasting approach. This approach utilizes solutions that fill the mesopores of the silica template with a metal salt precursor, which is converted to the oxide by heating to high …
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Highly Ordered Hexagonal Mesoporous Silica as Hosts and Templates for Encapsulation of Germanium Semiconductor Clusters
Highly ordered mesoporous MCM-41 silica particles with several morphologies have been synthesized in an alkaline solution using cationic amphiphilic surfactant CTAB as template. The size and the morphology were controlled by varying the reaction temperature and time or by controlling the …
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Effect of Mesoporous Silica-Loaded Anticancer Drugs on 3D vs 2D Models of Colon Cancer Cells
… CRC. Both anticancer drugs were loaded onto mesoporous silica nanoparticles (MSNs) and tested on 3D spheroids and 2D monolayer cells of the HCT116 colon cancer cell line. Due to its poor water solubility, DMU121, a synthesised chalcone with potential anticancer properties, was encapsulated …
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Integrating polarisation effects into non-polarisable models to better model the self-assembly of mesoporous silica nanomaterials
Mesoporous silica nanomaterials are a class of materials of rapidly growing importance. Despite this, many details of their synthesis are still poorly understood. For this reason, computational studies have been widely used to further our understanding of the processes involved at the molecular …
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Preparation Of Mesoporous Silica Supported Ruthenium Oxides And The Application And Kinetic Study In The Catalysis Of Water Oxidation
… thesis are reported the syntheses of a series of mesoporous silica supported nanosized RuO2, their characterization, application in Ce(IV)-induced water oxidation and photo-induced water oxidation, and the kinetic study of the corresponding catalytic water oxidation reaction.</p> <p>In Chapter 1, …
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GROWTH OF SILICA-BASED NANOPARTICLES: CONTROLLING STRUCTURE AND FUNCTION
Silica chemistry provides a uniquely tunable platform for nanoparticle synthesis, where particle size, nanoscale morphology, and surface properties can be precisely controlled. Recent advances demonstrate that conveniently accessible parameters, including silica precursor chemistry, solvent, and …
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NANOCOMPOSITES CONTAINING GOLD NANORODS FOR TWO-PHOTON IMAGING, PHOTODYNAMIC THERAPY AND DRUG DELIVERY
… nanocomposites, nanocomposites containing mesoporous silica and gold nanorod are considered as the most highly researched field owing to their novel properties of single-component structures. Gold nanorod is well-known for its large two-photon action cross section (10E4 GM), high two-photon …
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Synthesis And Characterization Of Size Controlled Transitionmetal Phosphide Nanoparticles And Their Hydrodesulfurization Catalytic Activity
… method; (2) develop large scale synthesis of mesoporous silica encapsulated nanoparticles (Ni<sup>2</sup>P and Pd<sup>5</sup>P<sup>2</sup>) with controlled loading to prevent sintering at high temperatures; (3) establish the structure activity relationship of Ni<sup>2</sup>P nanoparticles in …
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Carbon Coating for Improved Hydrothermal Stability of Silica Supports
… the petroleum-based chemical industry, such as silica and alumina, will not work because they are not hydrothermally stable. Silica and alumina are used as catalyst supports because they are mechanically stable, have large surface areas, and synthesis methods are well established but they tend …
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