نتایج جستجو برای: dose enhancement factor def

تعداد نتایج: 1237510  

Journal: :International Journal of Molecular Sciences 2021

The first line of plant defence responses against pathogens can be induced by the bacterial flg22 and dependent on various external internal factors. Here, we firstly studied effects daytime ethylene (ET) using Never ripe (Nr) mutants in local systemic intact tomato plants after treatments. Flg22 was applied afternoon at night rapid reactions were detected. production hydrogen peroxide nitric o...

2012
Ira K Gordon Christian Graves Whoon J Kil Tamalee Kramp Philip Tofilon Kevin Camphausen

PURPOSE Vosaroxin is a first in class naphthyridine analog structurally related to quinolone antibacterials, that intercalates DNA and inhibits topoisomerase II. Vosaroxin is not a P-glycoprotein receptor substrate and its activity is independent of p53, thus evading common drug resistance mechanisms. To evaluate vosaroxin as a clinically applicable radiation sensitizer, we investigated its eff...

2015
H. Khosravi B. Hashemi S. R. Mahdavi P. Hejazi

BACKGROUND Gel polymers are considered as new dosimeters for determining radiotherapy dose distribution in three dimensions. OBJECTIVE The ability of a new formulation of MAGIC-f polymer gel was assessed by experimental measurement and Monte Carlo (MC) method for studying the effect of gold nanoparticles (GNPs) in prostate dose distributions under the internal Ir-192 and external 18MV radioth...

2014
Igor Shuryak Ruth A. Bryan Joshua D. Nosanchuk Ekaterina Dadachova

Ionizing radiation is known for its cytotoxic and mutagenic properties. However, recent evidence suggests that chronic sub-lethal irradiation stimulates the growth of melanin-pigmented (melanized) fungi, supporting the hypothesis that interactions between melanin and ionizing photons generate energy useful for fungal growth, and/or regulate growth-promoting genes. There are no quantitative mode...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1392

هدف از انجام تحقیق .بر اساس یافته ها تاکنون میزان تاثیراین تکنیکها در مقایسه با سایر روشها براساس اطلاعات آماری و به صورت عددو رقم بررسی و نمایش داده نشده اند و به همین دلیل این رویکرد نتوانسته توجه اساتید و مربیان آموزش زبان را در کشورمان به خود جلب کند. از اینرودر این پژوهش بر آن شدیم تا میزان تاثیر تکنیکهای معرفی شده در این رویکرد را با انجام یک تحقیق آزمایشی بر روی سه گروه از دانشجویان برر...

Journal: :Anesthesiology 2011
E Wang Yan Feng Ming Zhang Lin Zou Yan Li Emmanuel S Buys Peigen Huang Peter Brouckaert Wei Chao

BACKGROUND Prior administration of a small dose of lipopolysaccharide confers a cardiac protection against ischemia-reperfusion injury. However, the signaling mechanisms that control the protection are incompletely understood. We tested the hypothesis that Toll-like receptor 4 (TLR4) mediates the ability of lipopolysaccharide to protect against cardiac ischemia-reperfusion injury through distin...

Journal: :Actas dermo-sifiliograficas 2011
M D Jiménez-Sánchez A Rodríguez-Pichardo J J Ríos-Martín F M Camacho-Martínez

A 22-year old woman with no relevant past history at tended the emergency dermatology clinic for tender papular lesions that had been present on the left knee for 2 months. She had experienced mild fever and j oint pain in the 2 previous days. Her primary care physician had provided t reatment with cort icosteroids and topical fusidic acid, oral cloxacill in, and a tapering course of def lazaco...

Journal: :Journal of animal science 2014
O N Genther S L Hansen

To examine the effect of trace mineral (TM) status and TM injection on growth performance and carcass characteristics in beef cattle, 40 steers were used in a growing and finishing study. Steers were stratified by weight (323 ± 14.8 kg) and assigned to 1 of 2 treatments for an 84-d depletion period: 1) a corn silage-based diet supplemented with Cu, Mn, Se, and Zn to meet or exceed NRC recommend...

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