نتایج جستجو برای: disk diffusion test
تعداد نتایج: 1012936 فیلتر نتایج به سال:
Background and Objective: Methicillin resistance in Staphylococcus aureus is an increasingly important clinical problem. A chromosomal gene, mecA, mediates resistance to penicillinase-resistant penicillins such as methicillin and oxacillin in Staphylococcus aureus. We evaluated the validity of disk diffusion test by using oxacillin, methicillin an...
Background and Objective: The production of Extended Spectrum Beta Lactamases (ESBLs) by Escherichia coli is the main cause of resistance to Cephalosporins. In the past decade, CTX-M enzymes have become the most prevalent ESBLs in Europe, Canada, and Asia. In this study, the frequency of ESBL-producing E.coli and molecular detection of the CTX-M-I group was investigated. Materials and Methods: ...
Background and Objective:Acinetobacter infection is one of the most common nosocomial infections that its antibiotic resistance has increased in recent years.This study aimed to evaluate drug resistance to colistin in nosocomial infections with multidrug-resistant (MDR) Acinetobacterbaumannii. Materials and Methods:This cross-sectional study was performed on 45 blood or body fluid culture samp...
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...
background and objectives: staphylococcus aureus is a versatile organism causing mild to life threatening infections. the major threat of this organism is its multidrug resistance. the present study was carried out to investigate in - vitro activity of conventional antibiotics routinely prescribed for methicillin resistant s. aureus (mrsa) and methicillin sensitive s. aureus (mssa) infections i...
PURPOSE To test the hypothesis that diffusion of contrast medium into the intervertebral disk is affected by the integrity of the nucleus pulposus and annulus fibrosus. METHODS In canine intervertebral disks, defects were made in the annulus fibrosus and nuclear material was removed from the disk with a nucleotome. MR imaging was performed with intravenous contrast medium at 15, 30, 60, and 9...
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...
Algae are composed of a diverse group of various aquatic organisms. Secondary or primary metabolites from these organisms may be potential bioactive compounds of interest for use in the development of new pharmaceutical agents. In this research, four species of marine algae, Ulva lactuca, Padina pavonica, Colpomenia sinuosa and Cystoseira myrica, isolated from Persian Gulf coasts were evaluated...
Haemophilus test medium (HTM) was developed recently for dilution and disk diffusion antimicrobial agent susceptibility testing of Haemophilus influenzae. The application of HTM to the testing of other, less frequently encountered Haemophilus species recovered from humans was evaluated in this study by using commercially prepared HTM (BBL Microbiology Systems, Cockeysville, Md.) in broth microd...
background: nowadays, nosocomial infection with multidrug-resistant acinetobacter is an important problem in the world, which is facing wide spectrum antibiotics and hence has become resistant. m aterials and methods: in this study, positive cultures of acinetobacter from one hundred clinical samples in seven hospitals from tehran during 2012-2013 were collected for checking antibiotic suscepti...
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