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Akademický článek

Structural system yielding minimum differences between ordinary and staged analyses

Autor: Ahmed A. Elansary, Mohamed I. Metwally, Adel G. El-Attar

Publikováno v: Journal of Engineering and Applied Science, Vol 70, Iss 1, Pp 1-18 (2023)

Abstract Structural engineers should appropriately design concrete structures to resist lateral loads. Determining the adequate system for resisting the expected lateral loads is important to control the building drift. Choosing the appropriate syste

Externí odkaz: https://doaj.org/article/041865ad5e344ba08958a2de714e4f1b

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Akademický článek

Dynamic Characterisation of a Heritage Structure with Limited Accessibility Using Ambient Vibrations

Autor: Ahmad R. Bakkar, Ahmed Elyamani, Adel G. El-Attar, Dan V. Bompa, Ahmed Y. Elghazouli, Sherif A. Mourad

Publikováno v: Buildings, Vol 13, Iss 1, p 192 (2023)

Historic Cairo has been a UNESCO World Heritage Site since 1979. It has more than 600 historic structures, which require extensive studies to sustain their cultural, religious, and economic values. The main aim of this paper is to undertake dynamic i

Externí odkaz: https://doaj.org/article/0e1d2b3ec9eb4fcb941c086c02da4ff7

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Highly efficient and recyclable novel spindles Fe2O3@SiO2/In2O3 nanomagnetic catalyst designed for green synthesis of azomethine compounds

Autor: Heba G. El-Attar, Mohamed A. Salem, Seham A. Ibrahim, Eman A. Bakr

Publikováno v: Research on Chemical Intermediates. 49:469-489

A novel and reusable nanomagnetic catalyst, Fe2O3@SiO2/In2O3, was synthesized by a facile chemical approach in three successive steps. The nanocatalyst was characterized by FT-IR, XRD, SEM, EDX, TEM, and VSM. The XRD pattern displays the characterist

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cad948899987931d882211af00b3ae6
https://doi.org/10.1007/s11164-022-04894-4

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A novel azo‐azomethine benzoxazole‐based ligand and its transition metal (II), (III), (IV) complexes: Synthesis, characterization, theoretical studies, biological evaluation, and catalytic application

Autor: Eman A. Bakr, Elsayed H. Atteya, Gad B. Al‐Hefnawy, Heba G. El‐Attar, Mohammed M. El‐Gamil

Publikováno v: Applied Organometallic Chemistry. 37

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::65cf6d0041171e7653cd2c58a4ead2aa
https://doi.org/10.1002/aoc.7042

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Facile synthesis of magnetic and porous zeolite/SnFe2O4 nanocomposite for cationic and anionic dyes deterioration

Autor: Eman F. Aboelfetoh, Heba G. El‐Attar, Ehab A. Okba

Publikováno v: Microporous and Mesoporous Materials. 357:112611

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bd0cae2bbe16ad1262108fb39900701
https://doi.org/10.1016/j.micromeso.2023.112611

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Facile synthesis of recoverable superparamagnetic AgFeO 2 @Polypyrrole/SiO 2 nanocomposite as an excellent catalyst for reduction and oxidation of different dyes in wastewater

Autor: Eman A. Bakr, Heba G. El-Attar, Mohamed A. Salem

Publikováno v: Applied Organometallic Chemistry. 35

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5719fcb37869fd0d178596dc69e28ccc
https://doi.org/10.1002/aoc.6357

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Efficient catalytic degradation of single and binary azo dyes by a novel triple nanocomposite of Mn 3 O 4 /Ag/SiO 2

Autor: Heba G. El-Attar, Mohamed A. Salem, Eman A. Bakr

Publikováno v: Applied Organometallic Chemistry. 34

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::26253f5b3f026f99bc786b31fd52dfe7
https://doi.org/10.1002/aoc.5688

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Colloidal Ag@Pd core–shell nanoparticles showing fast catalytic eradication of dyes from water and excellent antimicrobial behavior

Autor: Eman A. Bakr, Mohamed A. Salem, Heba G. El-Attar

Publikováno v: Research on Chemical Intermediates. 45:1509-1526

Colloidal Ag@Pd core–shell nanoparticles (NPs) were synthesized in aqueous medium following the citrate method. The progress of formation of the nanoparticles was monitored by ultraviolet–visible (UV–Vis) spectrophotometry. The core–shell nan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0eeb237dc415efe48e88434d9b31c13
https://doi.org/10.1007/s11164-018-3679-3

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Pt@Ag and Pd@Ag core/shell nanoparticles for catalytic degradation of Congo red in aqueous solution

Autor: Heba G. El-Attar, Eman A. Bakr, Mohamed A. Salem

Publikováno v: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 188

Platinum/silver (Pt@Ag) and palladium/silver (Pd@Ag) core/shell NPs have been synthesized in two steps reaction using the citrate method. The progress of nanoparticle formation was followed by the UV/Vis spectroscopy. Transmission electron microscopy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6de175ce881b6b853bd8b2742175968
https://pubmed.ncbi.nlm.nih.gov/28709141

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Conservation of a slender historical Mamluk-style minaret by passive control techniques

Autor: A. M. Saleh, A. G. El-Attar, A. H. Zaghw

Publikováno v: Structural Control and Health Monitoring. 12:157-177

During the Egypt/Dahshur 1992 earthquake, a large number of historical Islamic minarets, especially those built during the Mamluk era, were significantly damaged. The level of damage in Mamluk-style minarets was assigned to their massive size, and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::840143130cf45bc7e999559044e72e00
https://doi.org/10.1002/stc.54

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