Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Mamdouh A. Hassan"'
Tongue pearl: A novel technique for treatment of an infant with median facial cleft and microcephaly
Publikováno v:
Saudi Dental Journal, Vol 24, Iss 2, Pp 115-118 (2012)
This case report illustrates the presurgical treatment of a patient having a median facial cleft and microcephaly, using a guidance appliance. The appliance was custom designed and modified with a pearl-like acrylic structure attached to its lingual
Externí odkaz:
https://doaj.org/article/97cdc973f6934920a77be1e9f71981d0
Publikováno v:
Indian Journal of Public Health Research & Development. 11:1018
Autor:
Ahmed Younes, Aboubakr Haredi Abdelmonsef, Mohamed Mobark Taha, Hamdy S. El-Sheshtawy, Sayed Moustafa Abboudy, Mamdouh Adly Hassan
New quinazolin-2,4-dione derivatives have been synthesized and fully characterized. The new derivatives were synthesized using 3-(2-imino-4-oxo-3H,4H,5H-thiazolidin-3-yl)-1H-quinazolin-2,4-dione by nucleophilic addition mechanism. DFT calculations us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c2080df1cae460a6e410f41637d9b9c
Autor:
Mamdouh Adly Hassan, Ahmed Younes, Mohamed Mobark Taha, Aboubakr Haredi Abdelmonsef, Maghrabi Ali Seleem
Publikováno v:
European Journal of Chemistry. 4:168-171
An efficient synthesis of (2,4-dioxo-1,4-dihydro-2 H -quinazolin-3-yl)-acetic acid hydrazide (3) has been achieved and described. The obtained hydrazide (3) was used in building of some interesting heterocycles such as, triazole, oxadiazole, pyrazole
Publikováno v:
Oriental Journal Of Chemistry. 28:1567-1578
Pyromellitic dianhydride 1 was used as starting compound for the synthesis of some new derivatives of condensed dipyrrole, dibenzoxazine, and dipyridazine. Thus, the diimide 2 was formed on fusion of 1 with urea, thiourea and/or thiosemicarbazide. Al
Autor:
Mohamed Mobark Taha, Ahmed Mohamed Mosalem Younes, Abou-Bakr Haredy Abdel-Monsef, Mamdouh Adly Hassan
Publikováno v:
European Journal of Chemistry. 2:514-518
N -phenylsulphonyloxytetrachlorophthalimide was obtained by treatment of N -hydroxy tetrachlorophthalimide with benzenesulphonyl chloride. Also, the titled compound 3 was obtained by reaction of compound 2 with hydrazine hydrate via Lossen rearrangem
Autor:
Mohamed A. Omran, Assran S.M. Assran, Mamdouh A. Hassan, Mohamed E. Al-Ahmady, Gehad R. Mansour
Publikováno v:
Journal of King Abdulaziz University-Earth Sciences. 20:27-43
Publikováno v:
Chinese Journal of Geochemistry. 26:356-365
Two brecciated shear zones (NNW-SSE) are found crosscutting cataclastic rocks. The cataclastic rocks (3.0 km2) occupy the core of the granitic pluton and enclose a roof pendant of mafic-ultramafic rocks. The NNW-SSE-extending lamprophyre dykes vary i
Autor:
Hemat M. Dardeer, Mamdouh Adly Hassan
Publikováno v:
International Journal of Chemistry. 7
Interlocked molecules such as rotaxanes and catenanes have a lot of studies in last twenty years. Due to their unique structures and properties. In this work [2] rotaxanes (A), (B), and (C) containing of α, β and/or γ cyclodextrins have been prepa