Browsing Materials Science & Technology by Author "Elzatahry, Ahmed"
Now showing items 1-14 of 14
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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 ... -
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 ... -
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 ... -
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 ... -
Synthesis of uniform ordered mesoporous TiO 2 microspheres with controllable phase junctions for efficient solar water splitting
Zhang, Wei; He, Haili; Tian, Yong; Lan, Kun; Liu, Qi; Wang, Changyao; Liu, Yang; Elzatahry, Ahmed; Che, Renchao; Li, Wei; Zhao, Dongyuan... more authors ... less authors ( Royal Society of Chemistry , 2019 , Article)As a benchmark photocatalyst, commercial P25-TiO 2 has been widely used for various photocatalytic applications. However, the low surface area and poorly porous structure greatly limit its performance. Herein, uniform ... -
Vertical orientation of solvent cast nanofilled PS-b-PEO block copolymer thin films at high nanoparticle loading
Huq, Abul F.; Kulkarni, Manish; Modi, Arvind; Smilgies, Detlef-M.; Al-Enizi, Abdullah M.; Elzatahry, Ahmed; Raghavan, Dharmaraj; Karim, Alamgir... more authors ... less authors ( Elsevier Ltd , 2016 , Article)We demonstrate selective dispersion of photosensitive electron acceptor phenyl-C61-butyric acid methyl ester (PCBM) in cylinder forming polystyrene-b-poly (ethylene oxide) (PS-b-PEO) block copolymer (BCP). Neat PS-b-PEO ... -
X-ray diffraction and X-ray absorption spectroscopic analyses for intercalative nanohybrids with low crystallinity
Park, Dae-Hwan; Yang, Jae-Hun; Vinu, Ajayan; Elzatahry, Ahmed; Choy, Jin-Ho ( Elsevier , 2016 , Article Review)Intercalation reactions can be achieved through ion-exchange, pillaring, and exfoliation-reassembling reactions to explore new intercalation compounds with desired electronic, electrochemical, and optical functions. Such ...