نتایج جستجو برای: microbroth dilution method
تعداد نتایج: 1647512 فیلتر نتایج به سال:
In this study, the essential oil (EO) constituents from the aerial parts of Satureja intermedia C.A.Mey were detected by GC and GC/MS. The antimicrobial activity of EO on oral pathogens and its cytotoxicity to human cancer cells were determined by the microbroth dilution method and the crystal violet staining method, respectively. Thirty-nine compounds were identified and the main EO constituen...
Abstract Background and Objective: Due to the continuous increase of multidrug-resistant Acinetobacter baumannii strains around the world, decision making for an effective treatment of infections caused by this organism depends on the results of antimicrobial susceptibility tests. In this study, the validity of disk diffusion and E-test methods was assessed b...
OBJECTIVES Precise assessment of potential therapeutic synergy, antagonism or indifference between antimicrobial agents currently depends on time-consuming and hard-to-standardize in vitro chequerboard titration methods. We here present a method based on a novel two-dimensional antibiotic gradient technique named Xact™. METHODS We used a test comprising a combination of perpendicular gradient...
The antibacterial activity of essential oils extracted from Origanum compactum, Thymus capitatus, Foeniculum vulgare, and Rosmarinus officinalis was assessed with the well diffusion method a microbroth dilution assay against E. coli isolated carcasses rabbits. chemical composition these also determined by gas chromatography coupled mass spectrometry (GC/MS). results this study indicate that hig...
18 Ureaplasma are associated with numerous clinical sequelae with treatment options being limited due 19 to patient and pathogen factors. This report examines the prevalence and mechanisms of antibiotic 20 resistance among clinical strains isolated from 95 neonates, 32 women attending sexual health clinic 21 and 3 patients under investigation for immunological disorders, between 2007 – 2013 in ...
PURPOSE This study describes the antifungal effect of extracts and compounds isolated from Drimys brasiliensis acting against dermatophytes. METHODS The activities were evaluated by using the microbroth dilution method. RESULTS Bioassay-guided fractionation of the most active extract from the bark (CHCl3) led to the isolation of the sesquiterpene drimanes polygodial, 1-beta-(p-methoxycinnam...
The pathogenic effect of Staphylococci is due to extra-cellular factors and properties such as adherence and biofilm production. The nature of the biofilm and the physiological properties of biofilm-producing bacteria result in an inherent antibiotic resistance and require further investigation. Two hundred and sixty Staphylococcal strains were cultured from 600 clinical specimens obtained from...
antifungal susceptibility and virulence factors of clinically isolated dermatophytes in tehran, iran
background and objectives: dermatophytes possess a wide array of virulence factors and various antifungal susceptibility patterns which influence their pathogenesis in humans and animals. the aim of this study was to evaluate antifungal suscep- tibility and keratinase and proteinase activity of 49 dermatophyte strains from the genera microsporum , trichophyton and epidermophyton which were isol...
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