Browsing by Author "Elzatahry, Ahmed A."
Now showing items 1-19 of 19
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A comprehensive review summarizing the recent biomedical applications of functionalized carbon nanofibers
( John Wiley and Sons Inc , 2021 , Article)Since the discovery and fabrication of carbon nanofibers (CNFs) over a decade ago, scientists foster to discover novel myriad potential applications for this material in both biomedicine and industry. The unique economic ... -
An Efficient Emulsion-Induced Interface Assembly Approach for Rational Synthesis of Mesoporous Carbon Spheres with Versatile Architectures
( Wiley-VCH Verlag , 2020 , Article)Mesoporous carbon matrix with open pore structure, short diffusion length, and large pore size can favor the in-pore immobilization of active species and facilitate mass diffusion during catalytic reactions. However, a ... -
Enzyme-Based Mesoporous Nanomotors with Near-Infrared Optical Brakes
( American Chemical Society , 2022 , Article)As one of the most important parameters of the nanomotors’ motion, precise speed control of enzyme-based nanomotors is highly desirable in many bioapplications. However, owing to the stable physiological environment, it ... -
Fabrication of fouling resistant Ti3C2Tx (MXene)/cellulose acetate nanocomposite membrane for forward osmosis application
( Elsevier Ltd , 2020 , Article)In this study, Ti3C2Tx (MXene) was used to enhance the fouling resistance of FO flat-thin film membranes. Mixed-matrix Ti3C2Tx (MXene)/ cellulose acetate (CA) membranes with different (wt%) loading of MXene were fabricated ... -
Facile synthesis of metal-polyphenol-formaldehyde coordination polymer colloidal nanoparticles with sub-50 nm for T1-weighted magnetic resonance imaging
( Elsevier B.V. , 2021 , Article)Plant polyphenol-based coordination polymers (CPs) with ultra-small particle size and tailorable compositions are highly desired in biomedical applications, but their synthesis is still challenging due to the sophisticated ... -
Freestanding eggshell membrane-based electrodes for high-performance supercapacitors and oxygen evolution reaction
( Royal Society of Chemistry , 2015 , Article)A type of freestanding, light-weight eggshell membrane-based electrode is demonstrated for supercapacitors and for oxygen evolution reaction (OER) catalysis. As a widely available daily waste, eggshell membranes have unique ... -
High electrocatalytic performance of CuCoNi@CNTs modified glassy carbon electrode towards methanol oxidation in alkaline medium
( MDPI AG , 2017 , Article)A novel non-precious multiwalled carbon nanotubes (CNTs)-supported metal oxide electrocatalyst was developed for methanol electrooxidation in alkaline medium. The catalyst was fabricated by simultaneous electrodeposition ... -
Highly dispersed Pt nanoparticles on ultrasmall EMT zeolite: A peroxidase-mimic nanoenzyme for detection of H2O2 or glucose
( Elsevier Inc. , 2020 , Article)In past decade, Pt-based nanomaterials as peroxidase mimics have attracted much attention for H2O2 and glucose detection. However, easy aggregation of Pt nanoparticles (Pt NPs) greatly decreases their peroxidase-like ... -
Highly stable hybrid single-micelle: a universal nanocarrier for hydrophobic bioimaging agents
( Tsinghua University , 2022 , Article)As the first-line technology, micelles play a pivotal role in in vivo delivery of theranostic agents because of their high biocompatibility and universality. However, in complex physiological environments (extreme dilution, ... -
Hollow Mesoporous Carbon Nanospheres Loaded with Pt Nanoparticles for Colorimetric Detection of Ascorbic Acid and Glucose
( American Chemical Society , 2020 , Article)With the rapid development of nanotechnology and catalysis science, numerous enzyme-mimicking nanomaterials have been rationally designed as the substitutes for natural enzymes. Herein, the Pt-loaded hollow mesoporous ... -
Nonenzymatic nitrogen-doped carbon nanofber-supported NiOx glucose sensor
( M Y U Scientific Publishing Division , 2017 , Article)The glucose electrooxidation reaction at NiOx nanoparticles loaded on a nitrogen-doped carbon nanofber (N-CNF)-modifed glassy carbon electrode (NiOx@N-CNF/GCE) in an alkaline medium was studied. The N-CNF was produced by ... -
Promising aqueous dispersions of carbon black for semisolid flow battery application
( Elsevier B.V. , 2022 , Article)In this systematic study, we attempt to thoroughly understand the aggregation mechanism of conductive carbon black in aqueous dispersing medium and optimize the formulation of suspension electrodes for aqueous sodium–ion ... -
Promising aqueous dispersions of carbon black for semisolid flow battery application
( Elsevier , 2022 , Article)In this systematic study, we attempt to thoroughly understand the aggregation mechanism of conductive carbon black in aqueous dispersing medium and optimize the formulation of suspension electrodes for aqueous sodium–ion ... -
Recent advance in synthesis and application of heteroatom zeolites
( Elsevier B.V. , 2021 , Article)Incorporation of heteroatoms into the framework of zeolites has become a significant strategy to improve their performance in catalysis and adsorption, because the obtained heteroatom zeolites exhibit quite different ... -
Sequential Chemistry Toward Core?Shell Structured Metal Sulfides as Stable and Highly Efficient Visible-Light Photocatalysts
( Wiley-VCH Verlag , 2020 , Article)A universal sequential synthesis strategy in aqueous solution is presented for highly uniform core–shell structured photocatalysts, which consist of a metal sulfide light absorber core and a metal sulfide co-catalyst shell. ... -
Synthesis of Podlike Magnetic Mesoporous Silica Nanochains for Use as Enzyme Support and Nanostirrer in Biocatalysis
( American Chemical Society , 2020 , Article)Magnetic mesoporous materials have attracted great interest due to their combined property of magnetic nanomaterials and mesoporous materials as well as their potential applications in catalysis, bioenrichment, drug delivery, ... -
Unveiling one-pot scalable fabrication of reusable carboxylated heterogeneous carbon-based catalysts from eucalyptus plant with the assistance of dry ice for selective hydrolysis of eucalyptus biomass
( Elsevier Ltd , 2020 , Article)Biomass is the most abundant source for organic carbon-based substances on the earth; however, its utilization as sources for heterogeneous catalysts for biorefineries is rarely reported. Herein, a simple approach was ... -
Unveiling One-Pot Template-Free Fabrication of Exquisite Multidimensional PtNi Multicube Nanoarchitectonics for the Efficient Electrochemical Oxidation of Ethanol and Methanol with a Great Tolerance for CO
( American Chemical Society , 2020 , Article)Multidimensional bimetallic Pt-based nanoarchitectonics are highly promising in electrochemical energy conversion technologies because of their fancy structural merits and accessible active sites; however, hitherto their ... -
Versatile synthesis of dendritic mesoporous rare earth–based nanoparticles
( American Association for the Advancement of Science , 2022 , Article)Rare earth–based nanomaterials that have abundant optical, magnetic, and catalytic characteristics have many applications. The controllable introduction of mesoporous channels can further enhance its performance, such as ...
