Zobrazeno 1 - 10 of 254 pro vyhledávání: '"N. Hafez"'
1
Akademický článek
Close-to-process strain measurement in ultrasonic vibration-assisted turning
Autor: S. Kimme, N. Hafez, C. Titsch, J. M. Werner, A. Nestler, W.-G. Drossel
Publikováno v: Journal of Sensors and Sensor Systems, Vol 8, Pp 285-292 (2019)
The application of ultrasonic vibration assistance in machining offers many benefits over conventional machining. In some machining processes, like the generation of geometrically defined microstructures by cutting, the interaction of the system comp
Externí odkaz: https://doaj.org/article/fcfe65379a4044dbb81434ee871a75e7
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3
Recent Advances in the Chemistry and Biological Activity of Sulfonamide Derivatives
Autor: Mahmoud N.M. Yousif, Abdel-Rahman B.A. El-Gazzar, Hend N. Hafez, Ahmed A. Fayed, Ahmed ElRashedy, Nabil M. Yousif
Publikováno v: Mini-Reviews in Organic Chemistry. 19:695-707
Abstract: This review describes different synthetic methods for the preparation of sulfonamides. Generally, sulfonamides are synthesized from sulfonyl chloride derivative and amino derivative. A series of sulfonamide derivatives 7a-c, 8a,b, 9, 10, 11
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1b179cc3b77d163276c8524830a9f19
https://doi.org/10.2174/1570193x19666220105145504
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4
Akademický článek
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5
Synthesis and Reactions of Thieno[2,3-c]quinolines from Arylaldehyde and Arylamine Derivatives: A Review (Part VIII)
Autor: Ameen A. Abu-Hashem, A. B. A. El-Gazzar, Hend N. Hafez, Ahmed A. M. Abdelgawa, Moustafa A. Gouda
Publikováno v: Mini-Reviews in Organic Chemistry. 20
Abstract: In this review article, many thieno[2,3-c]quinoline derivatives are shown from many aspects, including different preparation and processing methods, by the use of recent systems and high technology. This review includes many chemical reacti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3384e0116be812aeffe2a5220511119
https://doi.org/10.2174/1570193x20666221205163624
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6
Synthesis of Novel Pyridine Bearing Biologically Active Imidiazolyl, Pyrazolyl, Oxa/thiadiazolyl and Urea Derivatives as Promising Anticancer Agents
Autor: N Hafez Hend, B A El-Gazzar Abdel-Rahman
Publikováno v: Current Organic Synthesis. 17:55-64
Background: A novel series of pyridine containing 1,3,4-oxa/thiadiazol derivatives 4a,b, pyrazole derivatives 5-7, thiazole derivatives 9a,b and 17a-c, urea derivatives 12a-c, imidiazole derivative 16, imidazo[1,2-a]pyridine derivatives 18a, b, tetra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bb1b4010434b436c9f03d33e6f9e8e9
https://doi.org/10.2174/1570179417666191223163225
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7
Synthesis and Antimicrobial, Anticancer and Anti-Oxidant Activities of Novel 2,3-Dihydropyrido[2,3-d]pyrimidine-4-one and Pyrrolo[2,1-b][1,3]benzothiazole Derivatives via Microwave-Assisted Synthesis
Autor: Aamal A. Al-Mutairi, Hend N. Hafez, Abdel-Rhaman B. A. El-Gazzar, Marwa Y. A. Mohamed
Publikováno v: Molecules; Volume 27; Issue 4; Pages: 1246
In our attempt towards the synthesis and development of effective antimicrobial, anticancer and antioxidant agents, a novel series of 2,3-dihydropyrido[2,3-d]pyrimidin-4-one 7a–e and pyrrolo[2,1-b][1,3]benzothiazoles 9a–e were synthesized. The sy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8bb2911617e0dd96a563df556482d57
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8
Effect of vaccination with irradiated Toxocara canis larvae or thyme oil treatment on testicular histochemical and immunohistochemical changes of rats
Autor: E N, Hafez, M N, Hafez, M M, Amin
Publikováno v: Tropical biomedicine. 36(2)
Toxocara canis is widely distributed parasite that not only presents in definitive hosts but also occurs in paratenic hosts including human. Larvae migrate throughout the somatic tissue causing severe inflammatory and pathological reactions. This stu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::42ed7b1b95107ef672226f75b41e1b43
https://pubmed.ncbi.nlm.nih.gov/33597404
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9
Akademický článek
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10
Can intraoperative ultrasound replace the frozen section in the assessment of ex vivo sentinel lymph node biopsy in early breast cancer in countries with limited resources?
Autor: Mohamed N. Hafez, Lamia Adel Salaheldin, Mohannad Aly Fayed, Emad Salaheldin Khallaf, Rasha Abdel Rahman, Somia A. M. Soliman
Publikováno v: The Egyptian Journal of Radiology and Nuclear Medicine, Vol 52, Iss 1, Pp 1-7 (2021)
Background Accurate staging and proper management of axillary lymph nodes (ALNs) in breast cancer patients are important for treatment. Surgical management of the axilla has evolved greatly in the last 20 years. Sentinel lymph node biopsy (SLNB), whi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ab192dc403c037faa378015261584f7
https://doi.org/10.1186/s43055-021-00505-1
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