Browsing by Author "Elzatahry, A.A."
Now showing items 1-20 of 21
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An Interface Coassembly in Biliquid Phase: Toward Core-Shell Magnetic Mesoporous Silica Microspheres with Tunable Pore Size
Yue, Q.; Li, J.; Luo, W.; Zhang, Y.; Elzatahry, A.A.; Wang, X.; Wang, C.; Li, W.; Cheng, X.; Alghamdi, A.; Abdullah, A.M.; Deng, Y.; Zhao, D.... more authors ... less authors ( American Chemical Society , 2015 , Article)Core-shell magnetic mesoporous silica microspheres (Magn-MSMs) with tunable large mesopores in the shell are highly desired in biocatalysis, magnetic bioseparation, and enrichment. In this study, a shearing assisted interface ... -
BIAN N-heterocyclic gold carbene complexes induced cytotoxicity in human cancer cells via upregulating oxidative stress
Farooq, M.; Taha, N. A.; Butorac, R. R.; Evans, D. A.; Elzatahry, A. A.; Wadaan, M. A. M.; Cowley, A. H.... more authors ... less authors ( Asian Pacific Organization for Cancer Prevention , 2015 , Article)Background: Nanoparticles of gold and silver are offering revolutionary changes in the field of cancer therapy. N-heterocyclic carbene (NHC) metal complexes possess diverse biological activities and are being investigated ... -
Biological screening of newly synthesized BIAN N-heterocyclic gold carbene complexes in zebrafish embryos
Farooq, M.; Taha, N.A.; Butorac, R.R.; Evans, D.A.; Elzatahry, A.A.; Elsayed, E.A.; Wadaan, M.A.M.; Al-Deyab, S.S.; Cowley, A.H.... more authors ... less authors ( MDPI AG , 2015 , Article)N-Heterocyclic carbene (NHC) metal complexes possess diverse biological activities but have yet to be extensively explored as potential chemotherapeutic agents. We have previously reported the synthesis of a new class of ... -
Core-Shell Magnetic Mesoporous Silica Microspheres with Large Mesopores for Enzyme Immobilization in Biocatalysis
Zhang Y.; Yue Q.; Zagho M.M.; Zhang J.; Elzatahry A.A.; Jiang Y.; Deng Y.... more authors ... less authors ( American Chemical Society , 2019 , Article)Magnetic mesoporous silica microspheres with core-shell structure and large pores are highly desired in macromolecules delivery and biocatalysis, biospeparation, and adsorption. In this work, a controllable solvent evaporation ... -
Electrical Conductivity Behavior of Biopolymer Composites
Abdo, H. S.; Elzatahry, A. A.; Alharbi, H.F.; Khalil, K.A. ( Elsevier Inc. , 2017 , Book chapter)Interest in the study of biopolymer system has been continuously growing as a result of a variety of promising applications such as in electronics, medicine, food packaging, bioplastics, and coating. Characteristics such ... -
General strategy to synthesize uniform mesoporous TiO2/Graphene/Mesoporous TiO2 sandwich-like nanosheets for highly reversible lithium storage
Li, W.; Wang, F.; Liu, Y.; Wang, J.; Yang, J.; Zhang, L.; Elzatahry, A.A.; Al-Dahyan, D.; Xia, Y.; Zhao, D.... more authors ... less authors ( American Chemical Society , 2015 , Article)Uniform oxide deposition on graphene to form a sandwich-like configuration is a well-known challenge mainly due to their large lattice mismatches and poor affinities. Herein, we report a general strategy to synthesize ... -
Growth of Single-Layered Two-Dimensional Mesoporous Polymer/Carbon Films by Self-Assembly of Monomicelles at the Interfaces of Various Substrates
Fang, Y.; Lv, Y.; Tang, J.; Wu, H.; Jia, D.; Feng, D.; Kong, B.; Wang, Y.; Elzatahry, A.A.; Al-Dahyan, D.; Zhang, Q.; Zheng, G.; Zhao, D.... more authors ... less authors ( Wiley-VCH Verlag , 2015 , Article)Single-layered two-dimensional (2D) ultrathin mesoporous polymer/carbon films are grown by self-assembly of monomicelles at the interfaces of various substrates, which is a general and common modification strategy. These ... -
Hierarchically Patterned Elastomeric and Thermoplastic Polymer Films through Nanoimprinting and Ultraviolet Light Exposure
Chen Y.; Wang Z.; Kulkarni M.M.; Wang X.; Al-Enizi A.M.; Elzatahry A.A.; Douglas J.F.; Dobrynin A.V.; Karim A.... more authors ... less authors ( American Chemical Society , 2018 , Article)The surface relief structure of polymer films over large areas can be controlled by combining nanoscale imprinting and microscale ultraviolet-ozone (UVO) radiation, resulting in hierarchical structured surfaces. First, ... -
Influence of anionic surface modifiers on the thermal stability and mechanical properties of layered double hydroxide/polypropylene nanocomposites
Yang, J.H.; Zhang, W.; Ryu, H.; Lee, J.H.; Lee, J.-H; Park, D. H.; Choi, J.Y.; Vinu, A.; Elzatahry, A.A; Choy, J. H.... more authors ... less authors ( Royal Society of Chemistry , 2015 , Article)Organo-layered double hydroxide/polypropylene (LDH/PP) nanocomposites were successfully synthesized via a solution blending method. As an attempt to improve the compatibility with hydrophobic PP, the LDH surface was modified ... -
Magnetic mesoporous nanospheres anchored with LyP-1 as an efficient pancreatic cancer probe
Jiang, Y.; Liu, S.; Zhang, Y; Li, H; He, H.; Dai, J.; Jiang, T.; Ji, W.; Geng, D.; Elzatahry, A.A.; Alghamdi, A.; Fu, D.; Deng, Y.; Zhao, D.; ... more authors ... less authors ( Elsevier Ltd , 2017 , Article)Immobilization of a ligand that selectively interacts with cancer cells to nanomaterials can enhance their diagnostic and therapeutic efficiency. In this study, we firstly demonstrate the high expression of receptor for ... -
Melt Electrospinning Designs for Nanofiber Fabrication for Different Applications
Ibrahim Y.S.; Hussein E.A.; Zagho M.M.; Abdo G.G.; Elzatahry A.A. ( NLM (Medline) , 2019 , Article Review)Nanofibers have been attracting growing attention owing to their outstanding physicochemical and structural properties as well as diverse and intriguing applications. Electrospinning has been known as a simple, flexible, ... -
Molecular Design Strategy for Ordered Mesoporous Stoichiometric Metal Oxide
Wang C.; Wan X.; Duan L.; Zeng P.; Liu L.; Guo D.; Xia Y.; Elzatahry A.A.; Xia Y.; Li W.; Zhao D.... more authors ... less authors ( Wiley-VCH Verlag , 2019 , Article)A molecular design strategy is used to construct ordered mesoporous Ti3+-doped Li4Ti5O12 nanocrystal frameworks (OM-Ti3+-Li4Ti5O12) by the stoichiometric cationic coordination assembly process. Ti4+/Li+-citrate chelate is ... -
Ordered Mesoporous Tin Oxide Semiconductors with Large Pores and Crystallized Walls for High-Performance Gas Sensing
Xiao X.; Liu L.; Ma J.; Ren Y.; Cheng X.; Zhu Y.; Zhao D.; Elzatahry A.A.; Alghamdi A.; Deng Y.... more authors ... less authors ( NLM (Medline) , 2018 , Article)Owing to their distinct chemical and physical properties, mesoporous metal oxide semiconductors have shown great application potential in catalysis, electrochemistry, energy conversion, and energy storage. In this study, ... -
Ordered porous metal oxide semiconductors for gas sensing
Zhou X.; Cheng X.; Zhu Y.; Elzatahry A.A.; Alghamdi A.; Deng Y.; Zhao D.... more authors ... less authors ( Elsevier B.V. , 2018 , Article)Among various gas sensing materials, metal oxide semiconductors have shown great potential as resistive type sensors. The ordered porous structural metal oxide semiconductors with well-defined meso- or macro-pores chemically ... -
Poly (acrylonitrile-co-methyl methacrylate) nanoparticles: I. Preparation and characterization
Mohy Eldin, M.S.; Elaassar, M.R.; Elzatahry, A.A.; Al-Sabah, M.M.B. ( Elsevier B.V. , 2017 , Article)This work concerns the preparation and characterization of poly (acrylonitrile-co-methyl methacrylate) Copolymer, P(AN-co-MMA), nano-particles using precipitation polymerization technique. Potassium per-sulfate redox ... -
Polymer-based electrospun nanofibers for biomedical applications
Al-Enizi A.M.; Zagho M.M.; Elzatahry A.A. ( MDPI AG , 2018 , Article Review)Electrospinning has been considered a promising and novel procedure to fabricate polymer nanofibers due to its simplicity, cost effectiveness, and high production rate, making this technique highly relevant for both industry ... -
Precise fabrication of porous one-dimensional gC3N4 nanotubes doped with Pd and Cu atoms for efficient CO oxidation and CO2 reduction
Eid K.; Sliem M.H.; Jlassi K.; Eldesoky A.S.; Abdo G.G.; Al-Qaradawi S.Y.; Sharaf M.A.; Abdullah A.M.; Elzatahry A.A.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)Rational design of graphitic carbon nitride nanostructures (gC3N4) is vital for various catalytic applications. Herein, we synthesized porous gC3N4 nanotubes (gC3N4NTs) doped with Pd and Cu (Pd/Cu/gC3N4NTs) via the consecutive ... -
PVA/chitosan/silver nanoparticles electrospun nanocomposites: Molecular relaxations investigated by modern broadband dielectric spectroscopy
Hassan M.K.; Abukmail A.; Hassiba A.J.; Mauritz K.A.; Elzatahry A.A. ( MDPI AG , 2018 , Article)In this study, we used broadband dielectric spectroscopy to analyze polymer nanofibers of poly(vinyl alcohol)/chitosan/silver nanoparticles. We also studied the effect of incorporating silver nanoparticles in the polymeric ... -
Rational design of a stable peroxidase mimic for colorimetric detection of H2O2 and glucose: A synergistic CeO2/Zeolite Y nanocomposite
Cheng X.; Huang L.; Yang X.; Elzatahry A.A.; Alghamdi A.; Deng Y.... more authors ... less authors ( Academic Press Inc. , 2019 , Article)Owing to the high costs and instability of natural enzymes, the development of enzyme mimics based on inorganic nanomaterials has attracted a wide concern in recent years. In this work, a stable nanocomposite composed of ... -
Recent overviews in functional polymer composites for biomedical applications
Zagho M.M.; Hussein E.A.; Elzatahry A.A. ( MDPI AG , 2018 , Article Review)Composite materials are considered as an essential part of our daily life due to their outstanding properties and diverse applications. Polymer composites are a widespread class of composites, characterized by low cost, ...