نتایج جستجو برای: اوربیتال 5f
تعداد نتایج: 1432 فیلتر نتایج به سال:
Actinides, the last known group of the Periodic Table are the subject of a special interest, both practical and scientific. Though their use is mainly based on their unique nuclear properties, the electronic structure is of no little interest because it is of paramount importance in determining the physical and chemical properties of the actinides and their compounds. Despite the common tendenc...
ترپن ها بیش تر در گیاهان به عنوان جزء اصلی روغن های ضروری (اسانس) می باشند. در این کار پژوهشی برهمکنش مونوترپن های خطی با نانوذره فولرن بور نیتری (B12N12) بررسی شد. مونوترپنهای خطی مورد مطالعه میرسن، ژرانیول، ژرانیال و نرال است. محاسبه های کوانتومی روی ساختار مونوترپنهای خطی انجام شد و نوع جذب و جایگاه های جذب مونوترپنهای خطی روی نانو فولرن بور نیترید B...
Phortress is a novel, potent, and selective experimental antitumor agent. Its mechanism of action involves induction of CYP1A1-catalyzed biotransformation of 2-(4-amino-3-methylphenyl)-5-fluorobenzothiazole (5F 203) to generate electrophilic species, which covalently bind to DNA, exacting lethal damage to sensitive tumor cells, in vitro and in vivo. Herein, we investigate the effects of DNA add...
The valence state of uranium has been confirmed for the three sodium uranates NaU(V)O3/[Rn](5f(1)), Na4U(VI)O5/[Rn](5f(0)), and Na2U(VI)2O7/[Rn](5f(0)), using X-ray absorption near-edge structure (XANES) spectroscopy. Solid-state (23)Na magic angle spinning nuclear magnetic resonance (MAS NMR) measurements have been performed for the first time, yielding chemical shifts at -29.1 (NaUO3), 15.1 (...
This study aimed to compare the post-modified radical mastectomy radiotherapy (PMRMRT) for left-sided breast cancer utilizing 3-dimensional conformal radiotherapy with field-in-field technique (3DCRT-FinF), 5-field intensity-modulated radiation therapy (5F-IMRT) and 2- partial arc volumetric modulated arc therapy (2P-VMAT). We created the 3 different PMRMRT plans for each of the ten consecutive...
We previously devised a polycistronic, synthetic self-replicating RNA (srRNA) to generate human induced Pluripotent Stem Cells (iPSCs) that simultaneously expresses four reprogramming factors (4F). However, while the best 4F srRNA efficiently generated iPSCs from young fibroblasts, it was inefficient on adult human fibroblasts (>50 years). To increase the iPSC generation efficiency, we included...
Dosimetric comparison of intensity modulated and volumetric arc radiation therapy for gastric cancer
The aim of the present study was to compare radiotherapy treatment plans for gastric cancer using intensity-modulated radiotherapy (IMRT) and single/double-arc volumetric modulated arc therapy (SA/DA-VMAT) delivery techniques. A total of 29 postoperative gastric cancer patients were enrolled in this study and each patient was scheduled 5-field IMRT (5F-IMRT), 7-field IMRT (7F-IMRT), SA-VMAT and...
The 6-methoxy-1,2,3,4-tetrahydroquinoline moiety in prior leads 2-chloro- and 2-methyl-4-(6-methoxy-3,4-dihydroquinolin-1(2H)-yl)quinazoline (1a and 1b) was modified to produce 4-(N-cycloamino)quinazolines (4a-c and 5a-m). The new compounds were evaluated in cytotoxicity and tubulin inhibition assays, resulting in the discovery of new tubulin-polymerization inhibitors. 7-Methoxy-4-(2-methylquin...
چکیده سرطان پروستات، شایع ترین سرطان و دومین عامل مرگ ناشی از سرطان در مردان می باشد. بر اساس بسیاری از مطالعات، آنزیم 15-لیپوکسیژناز نوع 1 (15-lox-1) و متابولیت های آن در انواع سرطان ها از جمله سرطان پروستات دخیل اند. به صورتی که بیان این آنزیم در سرطان پروستات، با درجه بدخیمی ارتباط مستقیم دارد. بنابراین به نظر می رسد که مهار انتخابی 15-lox-1 در این سلول ها موجب القای آپوپتوز گردد. بدین منظو...
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