نتایج جستجو برای: micro dilution methods
تعداد نتایج: 1992121 فیلتر نتایج به سال:
Background and Aim: Contaminated dental handpieces have the potential to transfer infection to patients. New generation of autoclavable turbines have to some extent overcome the problem however, in clinic sometimes it is necessary to use chemical to disinfect handpieces. The aim of this study was to determine the antimicrobial effect of some routinely used disinfectant solutions on dental conta...
To follow and model evolution of a microbial population in the chemostat, parameters are needed that give an indication of the absolute extent of evolution at a high resolution of time. In this study the evolution of the maximum specific growth rate ( micro (max)) and the residual glucose concentration was followed for populations of Escherichia coli K-12 under glucose-limited conditions at dil...
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...
Twelve isolates of Streptococcus pneumoniae with decreased susceptibility by oxacillin screen were susceptible by the FOX panel (Micro Media Systems, Cleveland, Ohio), a commercial microdilution system designed for fastidious organisms. These organisms were found to be moderately susceptible or resistant by broth macrodilution and agar dilution methods. This discrepancy indicates that the FOX p...
ترکیبات شیف باز 2- (4- (آمینو-1، 2، 5 اکسادی آزول-3-ایل ایمینو) متیل)-4- (فنیل دی آزنیل) فنول از مشتقات خانواده اکسادی آزول می باشند. این ترکیبات از واکنش تراکمی 3 ،4- دی آمینو- 1، 2، 5- اکسادی آزول با 2- هیدروکسی- دی آزنیل بنزآلدئید ها تهیه شده اند. شیف بازها فعالیت های بیولوژیکی مختلف از جمله ضد باکتری، ضد قارچ، ضد ویروس، ضد تومور و آنتی اکسیدانی نشان داده اند. در تحقیق حاضر فعالیت های ضد باک...
We propose a simple technique for bacterial and yeast cfu estimations from diverse samples with no prior idea of viable counts, designated as single plate-serial dilution spotting (SP-SDS) with the prime recommendation of sample anchoring (100 stocks). For pure cultures, serial dilutions were prepared from 0.1 OD (100) stock and 20 μl aliquots of six dilutions (101-106) were applied as 10-15 mi...
The Micro-Media Systems (MMS) anaerobe susceptibility testing panel results from four laboratories were compared for interlaboratory and intralaboratory variations and for the results with the reference agar dilution and a broth microdilution method. The interlaboratory agreement was 98.0% and intralaboratory agreement was 97.3% (+/- 1 log2 dilution). When interpretive criteria for each antimic...
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