نتایج جستجو برای: negative bacteria in recent years

تعداد نتایج: 17124059  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

Background and purpose: Infections caused by multidrug-resistant gram-negative bacteria are rising. Phage therapy is an effective treatment in infections resistant to treatment and progress has been made with its use and development in recent years. Phage therapy in treatment of gram-negative bacterial infections is not well investigated in clinical trials. Therefore, the aim of this study was ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم طبیعی 1391

in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1390

educational researchers have provided evidence that teachers’ emotional intelligence has strong effects on various aspects of teaching and learning. yet, in the field of teaching english to speakers of other languages (tesol), inquiry into teachers’ emotional intelligence is nearly limited. given its documented powerful impact on teaching practices and student learning, it is critical to pursue...

ژورنال: یافته 2013
آزادپور, مژگان , رضایی, مریم , رومیانی, رضا , طالعی, غلامرضا , معادی, حمید , رشیدی پور, مرضیه,

Background: In recent years, it has been recommended to use natural materials, instead of chemically synthesized drugs with side effects, in the control and treatment of infections. Increasing use of medicinal plants for medical treatment made for this branch of complementary medicine a unique position. The present research was done to study anti-microbial effect of Medicago sativa exctract in ...

Journal: :iranian journal of health sciences 0
tahereh jasemizad department of environmental health engineering, school of public health and environmental science and technology research center, shahid sadoughi university of medical sciences, yazd, iran mehdi mokhtari department of environmental health engineering, school of public health and environmental science and technology research center, shahid sadoughi university of medical sciences, yazd, iran hengameh zandi department of microbiology, school of medicine, shahid sadoughi university of medical sciences, yazd, iran taher shahriari department of environmental health engineering, school of public health and social determinants of health research center, birjand university of medical sciences, birjand, iran fatemeh sahlabadi department of environmental health engineering, school of public health and social determinants of health research center, birjand university of medical sciences, birjand, iran akram montazeri environmental health expert, shahid sadoughi accidents burns hospital, yazd, iran

as pseudomonas, acinetobacter, and staphylococcus that appropriate disinfection can reduce these pathogens. the aim of this study was to evaluate the effect of different disinfectants on gram-negative bacteria isolated from the surface of accidents and burn hospital in yazd. materials and methods: in this study, 240 samples were randomly collected from different parts of accidents and burn hosp...

Journal: :journal of research in medical sciences 0
shuhua li hengmo rong qinliang guo yifei chen guqing zhang jiong yang

background: serum procalcitonin (pct) levels differ in patients with bacterial or fungal infections and are significantly elevated in patients with gram-negative bacteremia. we evaluated the diagnostic accuracy of different inflammatory markers to discriminate sepsis caused by different pathogens. materials and methods: we included 328 episodes of bacteremia from 292 patients with sepsis and 31...

Journal: :medical laboratory journal 0
shirin sheikholeslami pharmaceutical sciences branch, islamic azad university, tehran, iran seyed mahdi rezayat pharmaceutical sciences branch, islamic azad university, tehran, iran reza hosseini doust pharmaceutical sciences branch, islamic azad university, tehran, iran hamid reza ahmadi ashtiani islamic azad university, pharmaceutical sciences branch, tehran, iran

abstract       background and objective: the spread of drug resistance in bacteria have prompted researchers to seek suitable alternative for antimicrobial drugs among various medicinal plants and nanoparticles. the aim of this study was to evaluate the effect of silver nanoparticles alone and in combination with methanol extract of zataria multiflora on five gram-positive and gram-negative bac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1393

1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...

A.A. Motallebi Moghanjoughi, M. Afshar Nasab, M. Nazemi, M. Sharif Ruhani, R. Azizi,

Due to numerous reasons, marine-obtained resources have attracted the interest of researchers. One of the subjects attracted the interest of researchers in recent years in the field of biologist marine algae due to their nutritional value, their benefits for health and their biological activities. In this study, the powder was extracted using acetone, then the extract purified by silica gel col...

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