نتایج جستجو برای: bacteria and pathogens
تعداد نتایج: 16857877 فیلتر نتایج به سال:
introduction: presently, bacteremia is the principal cause of morbidity in patients undergoing hemodialysis. gram-negative bacteria account for approximately 50 percent of documented infections. endotoxins released during lysis of gram negative bacteremia result in inflammatory and defense response by the body and if not treated promptly result in septic shock and ultimately death of the patien...
Introduction: In the holy month of Ramadan, Muslims abstain from eating and drinking during daytime and mostly take two meals per day. One of these major meals is consumed before sunrise (Sahur), and the other is taken after sunset (Iftar). The partial nutritional deprivation in Ramadan may affect the immune system, while the other rituals of this month might render fasting individuals suscepti...
In this study we review 82 infants under two months with bacterial meningitis admitted in Tehran University's hospitals during a 14 year period. Male to female ratio was 1.4 to 1. The patterns of predominance among bacterial pathogens changed during the period of study. During the first six years the most common pathogens were Salmonella-SP., but during the later years E.coli became the predomi...
Introduction: Probiotics are defined as live non-pathogenic microorganisms and if administered in adequate amounts, can have beneficial effects on their hosts. This study aimed to isolate Gram-positive bacteria from different sources and to evaluate their probiotic properties. Methods: We obtained five samples from various sources including yogurt, infant feces, cheese, and soil under aseptic m...
Abstract Introduction: Iran is the richest country in terms of distribution of medicinal plants. The antimicrobial effect of plant extracts and essential oils is well known and they are used as a good substitute in food industry to control food-borne pathogens. Due to the antibacterial activity of plant extracts and their efficacy against microorganisms, the aim of this study was to investig...
conclusion the designed methods are accurate, rapid, and inexpensive to find and differentiate these bacteria from similar bacteria. they can be applied for rapid diagnosis of these agents in different specimens, and bioterrorism cases. background salmonella typhi, bacillus anthracis, and yersinia pestis are some serious human pathogens, which their early diagnosis is of great importance. salmo...
Bovine respiratory disease complex (BRDC) is a multifactorial of cattle which presents as bacterial and viral pneumonia. The causative agents BRDC work in synergy to suppress the host immune response increase colonisation lower tracts by pathogenic bacteria. Environmental stress and/or infection predispose secondary infections via suppression key innate adaptive mechanisms. This allows bacteria...
Background: Perovskia abrotanoides is small kind of lamiaceae family that find in iran and some neighboring countries by endemic. Objective: Because The effect of anti-bacterial and anti-fungal medical plant extract on bacteria and fungi and determine the Minimal Inhibitory Concentration (MIC) has not been done so present study follow the above aim. Methodes: In this study by using 80% methan...
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