Browsing by Author "Elzatahry, Ahmed"
Now showing items 1-20 of 54
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3D Interconnected Mesoporous Alumina with Loaded Hemoglobin as a Highly Active Electrochemical Biosensor for H<inf>2</inf>O<inf>2</inf>
( Wiley-VCH Verlag , 2018 , Article)© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Alumina is one of the most common and stable metal oxides in nature, which has been developed as a novel adsorbent in enrichment of biomolecules due to its excellent ... -
A facile biliquid-interface co-assembly synthesis of mesoporous vesicles with large pore sizes
( Royal Society of Chemistry , 2016 , Article)In this study, novel mesoporous siliceous vesicles with ultrathin walls (50 nm in thickness) and large cavities were synthesized through a facile biliquid-interface co-assembly method by using cetyltrimethylammonium bromide ... -
A Micelle Fusion-Aggregation Assembly Approach to Mesoporous Carbon Materials with Rich Active Sites for Ultrasensitive Ammonia Sensing
( American Chemical Society , 2016 , Article)Nanostructured carbon materials have received considerable attention due to their special physicochemical properties. Herein, ordered mesoporous carbons (OMCs) with two-dimension (2D) hexagonal mesostructure and unique ... -
A perspective on magnetic core–shell carriers for responsive and targeted drug delivery systems
( Dove Medical Press Ltd. , 2019 , Article Review)Magnetic core–shell nanocarriers have been attracting growing interest owing to their physicochemical and structural properties. The main principles of magnetic nanoparticles (MNPs) are localized treatment and stability ... -
A review of MXenes as emergent materials for dye removal from wastewater
( Elsevier B.V. , 2022 , Article)MXenes have emerged as a superlative contestant water purification technology due to their two-dimensional multilayered structures, multifarious chemical composition, photocatalytic properties, and activated metallic ... -
A versatile in situ etching-growth strategy for synthesis of yolk–shell structured periodic mesoporous organosilica nanocomposites
( Royal Society of Chemistry , 2016 , Article)This paper describes a versatile in situ etching-growth strategy for the preparation of periodic mesoporous organosilica (PMO) composites with yolk-shell structure, which can generate the void space and construct the outer ... -
Broadening microwave absorption via a multi-domain structure
( American Institute of Physics Inc. , 2017 , Article)Materials with a high saturation magnetization have gained increasing attention in the field of microwave absorption; therefore, the magnetization value depends on the magnetic configuration inside them. However, the ... -
Chelation-assisted soft-template synthesis of ordered mesoporous zinc oxides for low concentration gas sensing
( Royal Society of Chemistry , 2016 , Article)Semiconductor zinc oxides with a high surface area and porosity offer great potential for their widespread applications, particularly in the areas of optoelectronic devices and solid-state gas sensors owing to their ... -
Constructing three-dimensional mesoporous bouquet-posy-like TiO2 superstructures with radially oriented mesochannels and single-crystal walls
( American Chemical Society , 2017 , Article)Constructing three-dimensional (3-D) hierarchical mesostructures with unique morphology, pore orientation, single-crystal nature, and functionality remains a great challenge in materials science. Here, we report a confined ... -
Design, synthesis and applications of core-shell, hollow core, and nanorattle multifunctional nanostructures
( Royal Society of Chemistry , 2016 , Article Review)With the evolution of nanoscience and nanotechnology, studies have been focused on manipulating nanoparticle properties through the control of their size, composition, and morphology. As nanomaterial research has progressed, ... -
Designed electrochemical sensor based on metallocene modified conducting polymer composite for effective determination of tramadol in real samples
( Canadian Science Publishing , 2021 , Article)A novel composite for the electrochemical sensing of tramadol (Tr) was developed by the inclusion of a metallocene mediator between two layers of conducting poly(3,4-ethylenedioxythiophene) (PEDOT) polymer, in the presence ... -
Drug-clay nanohybrids as sustained delivery systems
( Elsevier Ltd , 2016 , Article)Biocompatible 2-dimensional layered compounds such as clays and layered double hydroxides (anionic clays) have been explored and utilized in drug delivery system for therapeutic application because they can safely encapsulate ... -
Dry ice-mediated rational synthesis of edge-carboxylated crumpled graphene nanosheets for selective and prompt hydrolysis of cellulose and eucalyptus lignocellulose under ambient reaction conditions
( Royal Society of Chemistry , 2020 , Article)Edge-selectively carboxylated graphene (ECG) crumpled nanosheets are of great importance in potential applications; however, their catalytic activity towards biomass hydrolysis is not yet highlighted. Herein, we rationally ... -
Enhancement of gemcitabine against pancreatic cancer by loading in mesoporous silica vesicles
( Elsevier B.V. , 2017 , Article)Gemcitabine (Gem) is currently the first-line chemotherapeutic drug in management of pancreatic cancer, however the therapeutic efficacy of Gem is limited due to its short half-life and poor cell membrane permeability. ... -
Epitaxial Growth of Lattice-Mismatched Core-Shell TiO2@MoS2 for Enhanced Lithium-Ion Storage
( Wiley-VCH Verlag , 2016 , Article)Core-shell structured nanohybrids are currently of significant interest due to their synergetic properties and enhanced performances. However, the restriction of lattice mismatch remains a severe obstacle for heterogrowth ... -
Facile Assembly of Aligned Magnetic Nanoparticle Chains in Polymer Nanocomposite Films by Magnetic Flow Coating
( American Chemical Society , 2017 , Article)Magnetic nanoparticle chains are found in biosystems, such as in the brain of migratory birds. Inspired by natural assemblies, in a novel approach, the facile assembly of magnetically aligned polymer grafted cobalt ... -
Facile Synthesis of Uniform Virus-like Mesoporous Silica Nanoparticles for Enhanced Cellular Internalization
( American Chemical Society , 2017 , Article)The low-efficiency cellular uptake property of current nanoparticles greatly restricts their application in the biomedical field. Herein, we demonstrate that novel virus-like mesoporous silica nanoparticles can easily be ... -
From Water Oxidation to Reduction: Homologous Ni–Co Based Nanowires as Complementary Water Splitting Electrocatalysts
( WILEY-VCH Verlag GmbH & Co. KGaA , 2015 , Article)A homologous Ni–Co based nanowire system, consisting of both nickel cobalt oxide and nickel cobalt sulfide nanowires, is developed for efficient, complementary water splitting. The spinel-type nickel cobalt oxide (NiCo2O4) ... -
Hierarchical ordered macro/mesoporous titania with a highly interconnected porous structure for efficient photocatalysis
( Royal Society of Chemistry , 2016 , Article)In this study, a 3-dimensional interconnected hierarchical ordered macro/mesoporous titania (HOPT) with thin walls, crystalline framework, large cavities (?420 nm), uniform mesopores (3.7 nm) and high surface area (177 m2 ... -
High electrocatalytic performance of nitrogen-doped carbon nanofiber-supported nickel oxide nanocomposite for methanol oxidation in alkaline medium
( Elsevier B.V. , 2017 , Article)Nitrogen-Doped Carbon Nanofiber (N-CNF)–supported NiO composite was prepared by electrospinning a sol-gel mixture of graphene and polyaniline (PANi) with aqueous solutions of Polyvinylpyrrolidone (PVP) followed by a ...
