Browsing by Author "Elzatahry, Ahmed"
Now showing items 21-40 of 55
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High electrocatalytic performance of nitrogen-doped carbon nanofiber-supported nickel oxide nanocomposite for methanol oxidation in alkaline medium
Al-Enizi, bdullah M.; Elzatahry, Ahmed A.; M. Abdullah, Aboubakr; Vinu, Ajaya; Iwai, Hideo; Al-Deyab, Salem S.... more authors ... less authors ( 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 ... -
Hollow TiO2-X porous microspheres composed of well-crystalline nanocrystals for high-performance lithium-ion batteries
Wang, Chun; Wang, Faxing; Zhao, Yujuan; Li, Yuhui; Yue, Qin; Liu, Yupu; Liu, Yong; Elzatahry, Ahmed A.; Al-Enizi, Abdullah; Wu, Yuping; Deng, Yonghui; Zhao, Dongyuan... more authors ... less authors ( Tsinghua University Press , 2016 , Article)Hollow TiO2-X porous microspheres consisted of numerous well-crystalline nanocrystals with superior structural integrity and robust hollow interior were synthesized by a facile sol-gel template-assisted approach and two-step ... -
Lanthanide oxide modified H-Mordenites: Deactivation of external acid sites in the isopropylation of naphthalene
Sugi, Yoshihiro; Chakkolingam, Anand; Joseph, Stalin; Komura, Kenichi; Jang, Hoi-Gu; Cho, Sung June; Kim, Jong-Ho; Seo, Gon; Endo, Akira; Tawada, Shogo; Sonoda, Joji; Aldhayanf, Daifallah M.; Elzatahry, Ahmed A.; Vinu, Ajayan... more authors ... less authors ( Elsevier B.V. , 2016 , Article)The external surface of the H-Mordenite (MOR) was modified with lanthanide oxides such as CeO2, La2O3, Pr2O3, Sm2O3, Dy2O3, and Yb2O3, to investigate the deactivation of external acid sites. It is confirmed that the ... -
A Magnetic-Field Guided Interface Coassembly Approach to Magnetic Mesoporous Silica Nanochains for Osteoclast-Targeted Inhibition and Heterogeneous Nanocatalysis
Wan, L.; Wan, Li; Song, Hongyuan; Chen, Xiao; Zhang, Yu; Yue, Qin; Pan, Panpan; Su, Jiacan; Elzatahry, Ahmed A.; Deng, Yonghui... more authors ... less authors ( Wiley , 2018 , Article)© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 1D core–shell magnetic materials with mesopores in shell are highly desired for biocatalysis, magnetic bioseparation, and bioenrichment and biosensing because of their ... -
Mesoporous silica coated carbon nanofibers reduce embryotoxicity via ERK and JNK pathways
Abdo, Ghada G.; Gupta, Ishita; Kheraldine, Hadeel; Rizeq, Balsam; Zagho, Moustafa M.; Khalil, Ashraf; Elzatahry, Ahmed; Al Moustafa, Ala-Eddin... more authors ... less authors ( Elsevier Ltd , 2021 , Article)Carbon nanofibers (CNFs) have been implicated in biomedical applications, yet, they are still considered as a potential hazard. Conversely, mesoporous silica is a biocompatible compound that has been used in various ... -
Mesoporous Silica Thin Membranes with Large Vertical Mesochannels for Nanosize-Based Separation
Liu, Yupu; Shen, Dengke; Chen, Gang; Elzatahry, Ahmed A.; Pal, Manas; Zhu, Hongwei; Wu, Longlong; Lin, Jianjian; Al-Dahyan, Daifallah; Li, Wei; Zhao, Dongyuan... more authors ... less authors ( Wiley-VCH Verlag , 2017 , Article)Membrane separation technologies are of great interest in industrial processes such as water purification, gas separation, and materials synthesis. However, commercial filtration membranes have broad pore size distributions, ... -
Mesoporous TiO2 Mesocrystals: Remarkable Defects-Induced Crystallite-Interface Reactivity and Their in Situ Conversion to Single Crystals
Liu, Yong; Luo, Yongfeng; Elzatahry, Ahmed A.; Luo, Wei; Che, Renchao; Fan, Jianwei; Lan, Kun; Al-Enizi, Abdullah M.; Sun, Zhenkun; Li, Bin; Liu, Zhengwang; Shen, Dengke; Ling, Yun; Wang, Chun; Wang, Jingxiu; Gao, Wenjun; Yao, Chi; Yuan, Kaiping; Peng, Huisheng; Tang, Yun; Deng, Yonghui; Zheng, Gengfeng; Zhou, Gang; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2015 , Article)Oriented self-assembly between inorganic nanocrystals and surfactants is emerging as a route for obtaining new mesocrystalline semiconductors. However, the actual synthesis of mesoporous semiconductor mesocrystals with ... -
Mesoporous Tungsten Oxides with Crystalline Framework for Highly Sensitive and Selective Detection of Foodborne Pathogens
Zhu, Yongheng; Zhao, Yong; Ma, Junhao; Cheng, Xiaowei; Xie, Jing; Xu, Pengcheng; Liu, Haiquan; Liu, Hongping; Zhang, Haijiao; Wu, Minghong; Elzatahry, Ahmed A.; Alghamdi, Abdulaziz; Deng, Yonghui; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2017 , Article)Foodborne pathogens like Listeria monocytogenes can cause various illnesses and pose a serious threat to public health. They produce species-specific microbial volatile organic compounds, i.e., the biomarkers, making it ... -
Micro and nanotechnologies in heart valve tissue engineering
Pal, Manas; Wan, Li; Zhu, Yongheng; Liu, Yupu; Liu, Yang; Gao, Wenjun; Li, Yuhui; Zheng, Gengfeng; Elzatahry, Ahmed A.; Alghamdi, Abdulaziz; Deng, Yonghui; Zhao, Dongyuan... more authors ... less authors ( Elsevier Ltd , 2016 , Article Review)Due to the increased morbidity and mortality resulting from heart valve diseases, there is a growing demand for off-the-shelf implantable tissue engineered heart valves (TEHVs). Despite the significant progress in recent ... -
Myriophyllum -like hierarchical TiN@Ni3N nanowire arrays for bifunctional water splitting catalysts
Zhang, Qiting; Wang, Yuhang; Wang, Yongcheng; Al-Enizi, Abdullah M.; Elzatahry, Ahmed A.; Zheng, Gengfeng... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)Inspired by Myriophyllum, a natural plant, we report an efficient electrochemical water splitting device based on hierarchical TiN@Ni3N nanowire arrays. The bifunctional TiN@Ni3N nanowire arrays serve as both hydrogen ... -
Nanoengineering of Core-Shell Magnetic Mesoporous Microspheres with Tunable Surface Roughness
Yue, Qin; Zhang, Yu; Jiang, Yongjian; L, Jialuo; Zhang, Hongwei; Yu, Chengzhong; Elzatahry, Ahmed A.; Alghamdi, Abdulaziz; Deng, Yonghui; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2017 , Article)Functional core-shell mesoporous microspheres with integrated functions, controlled structure, and surface properties and morphologies have received increasing attention due to their excellent physicochemical properties. ... -
New insight into the synthesis of large-pore ordered mesoporous materials
Wei, Jing; Sun, Zhenkun; Luo, Wei; Li, Yuhui; Elzatahry, Ahmed A.; Al-Enizi, Abdullah M.; Deng, Yonghui; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2017 , Article)Ordered mesoporous materials (OMMs) have received increasing interest due to their uniform pore size, high surface area, various compositions and wide applications in energy conversion and storage, biomedicine and environmental ... -
Ordered Macro/Mesoporous TiO2 Hollow Microspheres with Highly Crystalline Thin Shells for High-Efficiency Photoconversion
Liu, Yong; Lan, Kun; Bagabas, Abdulaziz A.; Zhang, Pengfei; Gao, Wenjun; Wang, Jingxiu; Sun, Zhenkun; Fan, Jianwei; Elzatahry, Ahmed A.; Zhao, Dongyuan... more authors ... less authors ( Wiley-VCH Verlag , 2016 , Article)Well ordered, uniform 3D open macro/mesoporous TiO2 hollow microspheres with highly crystalline anatase thin shells have been successfully synthesized by a simple solvent evaporation-driven confined self-assembly method. ... -
Ordered Mesoporous Alumina with Ultra-Large Pores as an Efficient Absorbent for Selective Bioenrichment
Wei, Jing; Ren, Yuan; Luo, Wei; Sun, Zhenkun; Cheng, Xiaowei; Li, Yuhui; Deng, Yonghui; Elzatahry, Ahmed A.; Al-Dahyan, Daifallah; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2017 , Article)Alumina has recently turned out to be effective in enrichment of biomacrolecules like phosphopeptides due to its good affinity to phosphor groups. Ordered mesoporous alumina (OMA) materials with high surface areas, regular ... -
Ordered mesoporous silica/polyvinylidene fluoride composite membranes for effective removal of water contaminants
Fan, Jianwei; Li, Dandan; Teng, Wei; Yang, Jianping; Liu, Yong; Liu, Liangliang; Elzatahry, Ahmed A.; Alghamdi, Abdulaziz; Deng, Yonghui; Li, Guangming; Zhang, Wei-xian; Zhao, Dongyuan... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)A facile one-step immersion co-precipitation method has been developed to fabricate an inorganic-organic composite membrane with three-dimensionally (3D) interpenetrating porous structures via incorporating ordered mesoporous ... -
Ordered, highly zeolitized mesoporous aluminosilicates produced by a gradient acidic assembly growth strategy in a mixed template system
Azhati, Arepati; Xie, Songhai; Wang, Weiwen; Elzatahry, Ahmed A.; Yan, Yueer; Zhou, Jian; Al-Dhayan, Dhaifallah; Zhang, Yahong; Tang, Yi; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2016 , Article)Tremendous efforts have been made in recent years to synthesize ordered mesoporous zeolite materials, because of the accelerating demands of industrial bulky molecule conversion. Here, we develop a novel gradient acidic ... -
Photoelectrochemical Conversion from Graphitic C3N4 Quantum Dot Decorated Semiconductor Nanowires
An, Tiance; Tang, Jing; Zhang, Yueyu; Quan, Yingzhou; Gong, Xingao; Al-Enizi, Abdullah M.; Elzatahry, Ahmed A.; Zhang, Lijuan; Zheng, Gengfeng... more authors ... less authors ( American Chemical Society , 2016 , Article)Despite the recent progress of developing graphitic carbon nitride (g-C3N4) as a metal-free photocatalyst, the synthesis of nanostructured g-C3N4 has still remained a complicated and time-consuming approach from its bulk ... -
Plasmolysis-Inspired Nanoengineering of Functional Yolk-Shell Microspheres with Magnetic Core and Mesoporous Silica Shell
Yue, Qin; Li, Jialuo; Zhang, Yu; Cheng, Xiaowei; Chen, Xiao; Pan, Panpan; Su, Jiacan; Elzatahry, Ahmed A.; Alghamdi, Abdulaziz; Deng, Yonghui; Zhao, Dongyuan... more authors ... less authors ( American Chemical Society , 2017 , Article)Yolk-shell nanomaterials with a rattle-like structure have been considered ideal carriers and nanoreactors. Traditional methods to constructing yolk-shell nanostructures mainly rely on multistep sacrificial template strategy. ... -
Porous MXenes: Synthesis, structures, and applications
Bua, Fanxing; Zagho, Moustafa M.; Ibrahim, Yasseen; Ma, Bing; Elzatahry, Ahmed; Zhaoa, Dongyuan... more authors ... less authors ( Elsevier B.V. , 2020 , Article)Due to highly tunable metallic compositions and surface functional groups, MXenes have attracted significant interests for a wide range of applications, such as energy storage, electromagnetic interference shielding, ... -
Radially oriented mesoporous TiO2 microspheres with single-crystal–like anatase walls for high-efficiency optoelectronic devices
Liu, Yong; Che, Renchao; Chen, Gang; Fan, Jianwei; Sun, Zhenkun; Wu, Zhangxiong; Wang, Minghong; Li, Bin; Wei, Jing; Wei, Yong; Wang, Geng; Guan, Guozhen; Elzatahry, Ahmed A.; Bagabas, Abdulaziz A.; Al-Enizi, Abdullah M.; Deng, Yonghui; Peng, Huisheng; Zhao, Dongyuan... more authors ... less authors ( American Association for the Advancement of Science , 2015 , Article)Highly crystalline mesoporous materials with oriented configurations are in demand for high-performance energy conversion devices. We report a simple evaporation-driven oriented assembly method to synthesize three-dimensional ...