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Crystal structure of 3-benzyl-1-[(1,2,3,4-tetra-hydro-naphthalen-1-yl-idene)amino]-thio-urea.

Acta crystallographica. Section E, Crystallographic communications

Mohamed SK, Mague JT, Akkurt M, Hassan AA, Abdel-Aziz AT, Albayati MR.
PMID: 26870558
Acta Crystallogr E Crystallogr Commun. 2015 Nov 21;71:o974-5. doi: 10.1107/S2056989015021064. eCollection 2015 Dec 01.

In the title compound, C18H19N3S, the dihedral angle between the planes of the benzene rings is 58.63 (8)°. The six-membered ring bonded to the thio-semicarbazide group (r.m.s. deviation = 0.038 Å) adopts a sofa conformation, with one of the...

Crystal structure of 1-(cyclo-pentyl-idene-amino)-3-(prop-2-en-1-yl)thio-urea.

Acta crystallographica. Section E, Crystallographic communications

Mohamed SK, Mague JT, Akkurt M, Hassan AA, Abdel-Aziz AT, Albayati MR.
PMID: 26870530
Acta Crystallogr E Crystallogr Commun. 2015 Nov 11;71:o924-5. doi: 10.1107/S2056989015021003. eCollection 2015 Dec 01.

In the title compound, C9H15N3S, the cyclo-pentyl ring adopts an envelope conformation with one of the methyl-ene C atoms as the flap. The thio-semicarbazide fragment is almost planar (r.m.s. deviation = 0.038 Å) and a short intra-molecular N-H⋯N contact...

Synthesis and anticancer activity of novel quinazolinone-based rhodanines.

Chemistry Central journal

El-Sayed S, Metwally K, El-Shanawani AA, Abdel-Aziz LM, Pratsinis H, Kletsas D.
PMID: 29086906
Chem Cent J. 2017 Oct 13;11(1):102. doi: 10.1186/s13065-017-0333-x.

BACKGROUND: Rhodanines and quinazolinones have been reported to possess various pharmacological activities.RESULTS: A novel series of twenty quinazolinone-based rhodanines were synthesized via Knoevenagel condensation between 4-[3-(substitutedphenyl)-3,4-dihydro-4-oxoquinazolin-2-yl)methoxy]substituted-benzaldehydes and rhodanine. Elemental and spectral analysis were used to confirm structures of the...

Lactobacillus reuteri in management of Helicobacter pylori infection in dyspeptic patients: a double-blind placebo-controlled randomized clinical trial.

Therapeutic advances in gastroenterology

Emara MH, Mohamed SY, Abdel-Aziz HR.
PMID: 24381643
Therap Adv Gastroenterol. 2014 Jan;7(1):4-13. doi: 10.1177/1756283X13503514.

INTRODUCTION: The eradication rate of Helicobacter pylori following the standard triple therapy is declining. This study was conducted to test whether the addition of Lactobacillus reuteri to the standard triple therapy improves the eradication rates as well as the...

Heat Shock Protein-70 Expression in Vitiligo and its Relation to the Disease Activity.

Indian journal of dermatology

Doss RW, El-Rifaie AA, Abdel-Wahab AM, Gohary YM, Rashed LA.
PMID: 27512186
Indian J Dermatol. 2016 Jul-Aug;61(4):408-12. doi: 10.4103/0019-5154.185704.

BACKGROUND: Vitiligo is a progressive depigmenting disorder characterized by the loss of functional melanocytes from the epidermis. The etiopathogenesis of vitiligo is still unclear. Heat shock proteins (HSPs) are prime candidates to connect stress to the skin. HSPs were...

Prognostic Value of Her2/neu Expression in Gastrointestinal Stromal Tumors: Immunohistochemical Study.

Cancer growth and metastasis

Abd El-Aziz AM, Ibrahim EA, Abd-Elmoghny A, El-Bassiouny M, Laban ZM, Saad El-Din SA, Shohdy Y.
PMID: 28469470
Cancer Growth Metastasis. 2017 Feb 16;10:1179064417690543. doi: 10.1177/1179064417690543. eCollection 2017.

BACKGROUND: Gastrointestinal stromal tumor (GIST) is a relatively rare type of neoplasms. In Egypt, it represents 2.5% of gastrointestinal tumors and 0.3% of all malignancies. Most of the GISTs develop in the stomach.AIM: To reveal the significance of Her2/neu...

Respiratory Responses of Candida Albicans As Influenced by Nystatin and Hydrocortisone.

Indian journal of dermatology, venereology and leprology

Afifi FA, Abdel-Aziz AM.
PMID: 28276390
Indian J Dermatol Venereol Leprol. 1976 Mar-Apr;42(2):63-66.

No abstract available.

Effect of cyclic AMP on fructose utilization, progressive motility and protein synthesis by ram spermatozoa.

Theriogenology

Salem MH, Mekkawy MY, Ahmed NA, Abdel-Aziz IY, Mohamed AA, El-Oksh HA, Pursel VG.
PMID: 16727104
Theriogenology. 1992 May;37(5):1061-74. doi: 10.1016/0093-691x(92)90104-y.

Ejaculated washed ram spermatozoa showed consistent increases in the intracellular concentration of cyclic 3', 5'-adenosine monophosphate (cAMP) after incubation for 15 minutes with the phosphodiesterase (PDE)-inhibitors, theophylline and caffeine. In vitro addition of cAMP or PDE-inhibitors to ram semen...

Determination of certain trace impurities in uranium concentrates by activation analysis.

Talanta

Abdel-Rassoul AA, Wahba SS, Abdel-Aziz A.
PMID: 18959891
Talanta. 1966 Mar;13(3):381-7. doi: 10.1016/0039-9140(66)80056-5.

A method is presented for the simultaneous determination of chromium, iron, cobalt and zinc in samples of uranium concentrates, oxides and metallic uranium by neutron-activation analysis. The method involves adequate decontamination of gross fission product activities by adsorption on...

Triplet energy transfers in electrostatic host-guest assemblies of unsaturated organometallic cluster cations and carboxylate-containing porphyrin pigments.

Inorganic chemistry

Aly SM, Ayed C, Stern C, Guilard R, Abd-El-Aziz AS, Harvey PD.
PMID: 18844340
Inorg Chem. 2008 Nov 03;47(21):9930-40. doi: 10.1021/ic801006g. Epub 2008 Oct 10.

The unsaturated cyclic [M3(dppm)3(CO)](2+) clusters (M = Pt, Pd; dppm = Ph2PCH2PPh2; such as PF6(-) salt) exhibit a cavity formed by the six dppm-phenyl groups placed like a picket fence above the unsaturated triangular M3 dicationic center. Electrostatic interactions...

Knowledge, Awareness, and Attitudes about Research Ethics among Dental Faculty in the Middle East: A Pilot Study.

International journal of dentistry

El-Dessouky HF, Abdel-Aziz AM, Ibrahim C, Moni M, Abul Fadl R, Silverman H.
PMID: 21754933
Int J Dent. 2011;2011:694759. doi: 10.1155/2011/694759. Epub 2011 Jul 03.

Objective. To assess the knowledge, awareness, and attitudes of dental faculty regarding research ethics and research ethics committees (RECs). Design. Through convenience sampling, we distributed a survey to academics at dental faculties at two universities in the Middle East....

Synergy of brief activation of CD8 T-cells in the presence of IL-12 and adoptive transfer into lymphopenic hosts promotes tumor clearance and anti-tumor memory.

American journal of cancer research

Díaz-Montero CM, Naga O, Zidan AA, Salem ML, Pallin M, Parmigiani A, Walker G, Wieder E, Komanduri K, Cole DJ, Montero AJ, Lichtenheld MG.
PMID: 21915391
Am J Cancer Res. 2011 Aug 30;1(7):882-96.

Adoptive T-cell therapy holds great promise for the treatment of metastatic melanoma. However, prohibitive costs associated with current technology required for culture and expansion of tumor-reactive T-cells, the need for intense preconditioning regimens to induce lymphopenia, and the unpredictable...

Showing 1 to 12 of 275 entries