نتایج جستجو برای: disk diffusion method
تعداد نتایج: 1807775 فیلتر نتایج به سال:
Lack of correlation between quantitative minimal inhibitory concentration (MIC) determinations and disk diffusion susceptibility tests in our laboratory prompted a study to reevaluate the use of the disk diffusion test for sulfonamide susceptibility testing of Neisseria meningitidis. One hundred and sixty-three recent clinical isolates of N. meningitidis were examined for sulfonamide susceptibi...
Combinations of voriconazole, fluconazole, and itraconazole with caspofungin were evaluated against 50 Candida glabrata isolates by the time-kill, disk diffusion, and Etest methods. The majority of antifungal combinations were indifferent. By the time-kill method, synergistic activity was detected with eight (16%) of the caspofungin-voriconazole and seven (14%) of the caspofungin-fluconazole co...
Minimal inhibitory concentration determinations and disk diffusion and Autobac 1 susceptibility tests were performed on 22 strains of Aeromonas hydrophila. Eleven of the strains had discrepancies between Autobac and disk diffusion or minimal inhibitory concentration results. These discrepancies occurred with the beta-lactam antibiotics, primarily carbenicillin and cephalothin. It is recommended...
The most commonly used method for testing the antibiotic susceptibility of aerobic and facultative bacteria is the disk diffusion method. However, some anaerobic bacteria do not grow well enough in anaerobic jars for performance of disk diffusion tests. A modification of the broth-disk method of Schneierson allowed us to determine antibiotic susceptibility in a completely anaerobic environment....
OBJECTIVE To determine, by phenotypic and genotypic methods, oxacillin susceptibility in Staphylococcus aureus strains isolated from pediatric and neonatal intensive care unit patients seen at the University Hospital of the Botucatu School of Medicine. METHODS A total of 100 S. aureus strains isolated from the following materials were studied: 25 blood cultures, 21 secretions, 12 catheters, 3...
Different antimicrobial susceptibility testing methods to detect low-level vancomycin resistance in enterococci were evaluated in a Scandinavian multicenter study (n=28). A phenotypically and genotypically well-characterized diverse collection of Enterococcus faecalis (n=12) and Enterococcus faecium (n=18) strains with and without nonsusceptibility to vancomycin was examined blindly in Danish (...
The major ingredient of Cinnamomum, which is cinnamic aldehyde, has a variety of uses, such as aromatic compound, beverage, chewing gum, toothpaste, and incense as a component of cosmetics, and halitosis remover. Cinnamic aldehyde is also known to have a remedial effect. In this study, Cinnamomum is used to look for antibacterial activity on oral bacteria. A disk diffusion method is used as the...
مقدمه: درسالهای اخیر شاهد گزارشات زیادی از پیدایش ایزوله های انتروباکتر مقاوم به آنتی بیوتیکهای بتالاکتام هستیم. بتالاکتامازهای وسیع الطیف (esbls) از مهمترین مکانیسمهای مقاومت به این داروها محسوب میشوند. هدف از این مطالعه تعیین شیوع esbls در ایزوله های مقاوم، به روش double disk approximation test (ddat) وتعیین فراوانی ژن blaper-1 است. مواد و روش ها: 100ایزوله انتروباکتر از بیماران بستری در بی...
گیاه مورد (myrtus communis l)، یکی از گیاهان دارویی با ارزش ایران است که اثرات دارویی آن اثبات شده است. در این مطالعه برگ های گیاه مورد در خرداد ماه 1392 در استان چهارمحال و بختیاری جمع آوری و به روش استخراج فلاونوئید، کروماتوگرافی لایه نازک (tlc) و خیساندن (maceration) عصاره گیری انجام شد. سپس اثر غلظت های مختلف عصاره های به دست آمده روی دو قارچ ساپرولگنیا (saprolegniaspp.) و فوزاریوم (fusariu...
Objective: To compare the accuracy of disk diffusion method and E-test for the detection of methicillin resistance and low-level methicillin-resistance in Staphylococcus aureus (S. aureus) and the PBP2a latex agglutination test for confirmation. Materials and Methods: A total of 76 methicillin resistant S. aureus (MRSA) isolates from different clinical specimens were tested by disk diffusion me...
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