نتایج جستجو برای: gram bacteria
تعداد نتایج: 227020 فیلتر نتایج به سال:
cladophora and enteromorpha are the filamentous green-algal genuses that have a widespread distribution in caspian sea coast. the aim of this study was to assess the antimicrobial activities of cladophora and enteromorpha in south of caspian sea. antibacterial activities of hydroalcoholic extracts of five different gram negative and positive bacteria including staphylococcus aureus, bacillus su...
background and objectives: anaerobic bacteria are recognized as important pathogens in surgical infections. however, they are the most overlooked microorganisms by the clinic and the laboratory because of the tedious culture techniques with longer turn-around times. the study was aimed to analyze the frequency of anaerobic bacterial surgical infections and their predisposing factors. materials ...
background and aims. bacterial contamination of dental unit water supplies (duws) has attracted a lot of attention in recent years due to the emergence of serious infections in susceptible dental patients. the aim of the present study was to evaluate the presence of gram-negative bacterial contamination in duws at tabriz university of medical sciences faculty of dentistry. materials and methods...
conclusions the study showed that hais were more frequent in elderly population predominately with respect to vap and infections by gram-negative pathogens. overall mortally was greater in the elderly group although the odds ratio for death was higher in younger patients and increased with every hai diagnosed. patients and methods retrospective analysis of all hospital-acquired infections (hais...
background the rapid emergence of antibiotic resistance, especially broad-spectrum antibiotics, resulted in the avid use of new potent antibiotics. ceftriaxone and ceftazidime, two third-generation cephalosporin, are usually used to manage complicated and uncomplicated infections. the use of cefepime in resistant infections is increasing gradually, which put this potent antibiotic at risk of re...
conclusion although all esbl producer gram-negative bacteria were sensitive to imipenem, piperacillin-tazobactam, and colistin, non-esbl isolates showed resistant pattern. interestingly, notable percent of mentioned resistant isolates were sensitive to nitrofurantoin. background resistance in enteric gram-negative bacteria is of a great concern and concise local data are lacking. objectives to ...
Cladophora and Enteromorpha are the filamentous green-algal genuses that have a widespread distribution in Caspian Sea Coast. The aim of this study was to assess the antimicrobial activities of Cladophora and Enteromorpha in South of Caspian Sea. Antibacterial activities of hydroalcoholic extracts of five different gram negative and positive bacteria including Staphylococcus aureus, Bacillus su...
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...
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 & 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 & Methods: Amo...
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