Browsing by Author "ELZATAHRY, AHMED"
Now showing items 1-20 of 26
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CARBON BASED CONDUCTIVE FIBERS FOR FUEL CELL APPLICATION
BUDWAN, BUKR GHAZI AHMED (2018 , Master Thesis)A novel catalyst consists of a group of metals (Ni, Co and Cu) deposited on carbon fiber support and was prepared for oxidation using methanol and ethanol in alkaline medium. The carbon fiber support was fabricated by ... -
Characterization of MXene as a Cancer Photothermal Agent Under Physiological Conditions
Shurbaji, Samar; Manaph, Nimshitha P. Abdul; Ltaief, Samia M.; Al-Shammari, Abeer R.; Elzatahry, Ahmed; Yalcin, Huseyin C.... more authors ... less authors ( Frontiers Media , 2021 , Article)A growing interest has recently emerged in the use of nanomaterials in medical applications. Nanomaterials, such as MXene, have unique properties due to their 2D ultra-thin structure, which is potentially useful in cancer ... -
Dual Imprinted Polymer Thin Films via Pattern Directed Self-Organization
Grolman, Danielle; Dbandyopadhyay, iya; Al-Enizi, Abdullah; Elzatahry, Ahmed; Karim, Alamgir ( American Chemical Society , 2017 , Article)Synthetic topographically patterned films and coatings are typically contoured on one side, yet many of nature's surfaces have distinct textures on different surfaces of the same object. Common examples are the top and ... -
Effect of flow-induced shear stress in nanomaterial uptake by cells: Focus on targeted anti-cancer therapy
Shurbaji, Samar; Anlar, Gulsen G.; Hussein, Essraa A.; Elzatahry, Ahmed; Yalcin, Huseyin C. ( MDPI , 2020 , Article)© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Recently, nanomedicines have gained a great deal of attention in diverse biomedical applications, including anti-cancer therapy. Being different from normal tissue, ... -
Evaluation of the Cytotoxic Behavior of Fungal Extracellular Synthesized Ag Nanoparticles Using Confocal Laser Scanning Microscope
Salaheldin, Taher A.; Husseiny, Sherif M.; Al-Enizi, Abdullah M.; Elzatahry, Ahmed; Cowley, Alan H. ( MDPI AG , 2016 , Article)Silver nanoparticles have been synthesized by subjecting a reaction medium to a Fusarium oxysporum biomass at 28 °C for 96 h. The biosynthesized Ag nanoparticles were characterized on the basis of their anticipated peak ... -
Facile Synthesis of Crystalline Nanoporous GaN Templated by Nitrogen Enriched Mesoporous Carbon Nitride for Friedel-Crafts Reaction
Talapaneni, Siddulu Naidu; Park, DaeHwan; Choy, Jin?Ho; Ramadass, Kavitha; Elzatahry, Ahmed; Al-Balawi, Ahmed S.; Al-Enizi, Abdullah M.; Mori, Toshiyuki; Vinu, Ajayan... more authors ... less authors ( Wiley-Blackwell , 2016 , Article)Highly crystalline nanoporous GaN (NP-GaN) materials have been synthesized for the first time by the transformation of novel diamino tetrazine based mesoporous carbon nitride (MCN-4) having very high nitrogen content (N/C ... -
High Performance Perovskite Hybrid Solar Cells with E-beam-Processed TiOx Electron Extraction Layer
Meng, Tianyu; Liu, Chang; Wang, Kai; He, Tianda; Zhu, Yu; Al-Enizi, Abdullah; Elzatahry, Ahmed; Gong, Xiong... more authors ... less authors ( American Chemical Society , 2016 , Article)Perovskite hybrid solar cells (pero-HSCs) have drawn great attention in the last 5 years. The efficiencies of pero-HSCs have been boosted from 3.8% to over 20%. However, one of the bottlenecks for commercialization of ... -
Hydrophobic guest mediated micellization and demicellization of rationally designed amphiphilic poly(organophosphazene) for efficient drug delivery
Kim, Myung Hun; Jun, Yong Joo; Elzatahry, Ahmed; Alothman, Zeid A.; Vinu, Ajayan; Choy, Young Bin; Choy, Jin-Ho... more authors ... less authors ( American Scientific Publishers , 2016 , Article)Recently, biocompatible and amphiphilic poly(organophosphazene) (PPZ) has been suggested as a drug delivery carrier since it can be easily modified to achieve desired chemical properties. In this work, we newly designed a ... -
THE INFLUENCE OF SHEAR STRESS ON NANOMATERIAL'S UPTAKE BY CANCER
Shurbaji, Samar H. (2020 , Master Thesis)Recently, nanotechnology products have been used for a variety of applications including the medical field. Two dimensional (2D) nanomaterials have attracted a growing interest due to its unique properties and ultrathin ... -
Interfacial engineering for high performance organic photovoltaics
Yi, Chao; Hu, Xiaowen; Gong, Xiong; Elzatahry, Ahmed ( Elsevier B.V. , 2016 , Article Review)In the past two decades, bulk heterojunction (BHJ) organic photovoltaics (OPVs) have gained tremendous attention due to its intrinsic merits of cheap, flexible, clean and high throughput manufacturing processibility and ... -
MOLECULAR LEVEL UNDERSTANDING OF NANOCLAY DISPERSION IN POLYSULFONE, POLYIMIDE, AND THEIR BLEND COMPOSITES
Bader, Nour (2016 , Master Thesis)Polymer composites based on polysulfone (PSF) and polyimide (PI) are used as membranes for gas separation and water purification applications. However, structure composition related issues limit the performance of the used ... -
MXene Nanosheets May Induce Toxic Effect on the Early Stage of Embryogenesis.
Alhussain, Hashim; Augustine, Robin; Hussein, Essraa A; Gupta, Ishita; Hasan, Anwarul; Al Moustafa, Ala-Eddin; Elzatahry, Ahmed... more authors ... less authors ( American Scientific Publishers , 2020 , Article)MXene (Ti₃C₂T), as a novel 2D material, has produced a great interest due to its promising properties in biomedical applications, nevertheless, there is a lack of studies dedicated to investigate the possible toxic effect ... -
Nanoclay compatibilization of phase separated polysulfone/polyimide films for oxygen barrier
Ammar, Ali; Elzatahry, Ahmed; Al-Maadeed, Mariam; Alenizi, Abdullah M.; Huq, Abul F.; Karim, Alamgir... more authors ... less authors ( Elsevier Ltd , 2017 , Article)Polyimide (PI) and Polysulfone (PSF) films are used in many applications ranging from electronic film capacitors to membranes for gas separation and water purification, yet their phase separation issues limit many potential ... -
NEW SULFUR-DOPED CARBON FIBER – SUPPORTED ALLOYS FOR ELECTROCATALYTIC REDUCTION OF OXYGEN FOR PEM FUEL CELLS APPLICATIONS
ABUSHAHLA, HAMED K. (2018 , Master Thesis)The daily increase in the world needs for new sources of energy, the population and economy growth, and the industrial expansions made the demand for new sources of energy a critical request within different societies. ... -
NITROGEN AND SULFUR– DOPED CARBON NANOFIBER MIXED OXIDES COMPOSITES FOR SUPERCAPACITOR APPLICATIONS
Al Ashraf, Abdullah (2016 , Master Thesis)Energy storage devices including supercapacitor are among the rapidly growing field of alternatives for rechargeable batteries due to its high energy density and long life cyclability performance. Electrospinning is a ... -
Plasmonic MXene-based nanocomposites exhibiting photothermal therapeutic effects with lower acute toxicity than pure MXene
Hussein, Essraa; Zagho, Moustafa; Rizeq, Balsam; Younes, Nadin; Pintus, Gianfranco; Mahmoud, Khaled; Nasrallah, Gheyath; Elzatahry, Ahmed... more authors ... less authors ( DOVE Medical Press , 2019 , Article)Purpose: Here, we fabricated two plasmonic 2D Ti3C2Tx-based nanocomposites (Au/MXene and Au/Fe3O4/MXene) with similarly high anti-cancer photothermal therapy (PTT) capabilities, but with less in vivo toxicity than a pure ... -
PREPARATION AND CHARACTERIZATION OF NANOSTRUCTURE MATERIAL FOR BIOLOGICAL APPLICATION
ALKHULAQI, WIDAD MOHAMMED H. Q. (2023 , Master Thesis)Currently, nanomaterial has gained much attention in medical applications. Two different nanostructured materials were synthesized for biomedical purposes in this approach. Firstly, a composite of bimetallic nanoparticles ... -
Rational Design of Mxenes with Atomically Doped Multimetals for Efficient Electrochemical and Photoelecrochemical Conversion of Co2 to Usable Hydrocarbons
Ibrahim, Yasseen S. (2021 , Master Thesis)Ti3C2Tx MXene is a promising catalyst for several applications; however, its electrochemical conversion of CO2 to useable hydrocarbons has been rarely reported experimentally. Herein, two-dimensional Ti3C2Tx nanosheets ... -
Review of clay-drug hybrid materials for biomedical applications: Administration routes
Kim, Myung Hun; Choi, Goeun; Elzatahry, Ahmed; Vinu, Ajayan; Choy, Young Bin; Choy, Jin-Ho... more authors ... less authors ( Clay Minerals Society , 2016 , Article)Focus here is placed on the pharmaceutical and biomedical applications of novel clay-drug hybrid materials categorized by methods of administration. Clay minerals have been used for many years as pharmaceutical and medicinal ... -
Soft-shear induced phase-separated nanoparticle string-structures in polymer thin films
Zhang, Ren; Lee, Bongjoon; Bockstaller, Michael R.; Al-Enizi, Abdullah M.; Elzatahry, Ahmed; Berry, Brian C.; Karim, Alamgir... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)Application of shear stress has been shown to unidirectionally orient the microstructures of block copolymers and polymer blends. In the present work, we study the phase separation of a novel nanoparticle (NP)-polymer blend ...