نتایج جستجو برای: negative bacteria in recent years
تعداد نتایج: 17124059 فیلتر نتایج به سال:
background & aim: in this study, is done during one-year research on blue–green and green algae for antimicrobial activity in mashhad suburb. aqueous, ether, and methanol extracts from 44 species blue – green algae and green algae were examined for antimicrobial properties against four bacteria (tow positive gram bacteria and tow negative gram bacteria) and tow fungous. material & meth...
Background and Objectives: This study was designed as a retrospective study on urine samples during three years in Shaheed Mostafa Khomeini Hospital to determine demographic characteristics of patients with urinary tract infection (UTI), microbial etiology, and susceptibility of isolated bacteria to anti...
abstract background: the invasion of microorganisms into the bloodstream and spread to different parts of body can cause disruption the functions of vital organs and even death. the proper and prompt treatment is essential and can significantly reduce morbidity and mortality rates. this study aimed to determine the frequency and the antimicrobial susceptibility of bacteria isolated from blood c...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
background: microorganisms that cause early neonatal sepsis are usually already colonized rectovaginal area in mothers. the most common of these organisms is group b streptococci (gbs) and intestinal gram-negative bacteria mostly escherichia coli (e.coli). the use of prophylactic antibiotics against gbs has increased in recent years. this study aimed to determine the current situation and frequ...
these days, all department stores make an effort to provide their clients with valuable products in order to project the best image for them. as a result, clients’ comprehension risk will decrease and they will be more willing to repurchase. having a good image is really important for the department stores because it makes an impression on clients’ comprehension of both quality and risk. consid...
Background/objective: Neonatal septicemia is one of the major causes of mortality in newborns. The aim of this study is to evaluate the clinical manifestations and laboratory findings in positive blood culture in neonatal septicemia. Methods: In this retrospective study, we allocated 100 records positive blood culture of neonates suffering from septicemia. A questionnaire was completed for each...
today, the route for economic development in most countries is the same as international open competitive economy. economic institutes well known that supportive public economy belonged on the past and they may compete in the global economy. it is obvious that if they have no competitive potency or not familiar with competition technique, they may be devastated. banking system aims to collect t...
Abstract Background Central nervous system (CNS) infections are relatively rare but associated with high mortality worldwide. Empirical antimicrobial therapy is crucial for the survival of patients CNS infections, and should be based on knowledge pathogen distribution antibiotic sensitivities. The aim this study was to investigate features pathogens in North China evaluate risk factors multi-dr...
until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...
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