نتایج جستجو برای: bacitracin paper disk
تعداد نتایج: 1777076 فیلتر نتایج به سال:
E"citracin is an antibacterial substance discovered by Johnson, Anker, and Meleney (1945) in culture filtrates of the so-called Tracy strain of Bacillus subtilis. The toxicity of the drug and its absorption and excretion in dogs have been described by Scudi and his coworkers (Scudi and Antopol, 1947; Scudi, Clift, and Krueger, 1947). The blood levels obtained after the intramuscular administrat...
An outbreak of infections due to vancomycin-resistant Enterococcusfaecium (VREF) was recently observed in a hospital in Southern California. Several patients developed fatal bacteremia or intraabdominal infection due to VREF. The gastrointestinal tract is the principal site of colonization of VREF, and prior colonization with resistant bacteria often preceded the development of life-threatening...
This study was aimed to characterize Roseomonas mucosa isolate using molecular genetics and determination some bacterial virulence factors such as capsular, biofilm formation antimicrobial susceptibility. By Polymerase chain reaction (PCR) technique, the characterization of R. done by 16S rRNA gene sequence phylogenetic analysis. Antimicrobial susceptibility test carried out Kirby-Bauer disk di...
Nonribosomal peptides are processed on multifunctional enzymes called nonribosomal peptide synthetases (NRPSs), whose modular multidomain arrangement allowed the rational design of new peptide products. However, the lack of natural competence and efficient transformation methods for most of nonribosomal peptide producer strains prevented the in vivo manipulation of these biosynthetic gene clust...
451 Abstract: An experiment was conducted to determine the effects of an organic acid combination (Acid Lac Dry: lactic, fumaric, propionic, citric and formic acid) and/or zinc bacitracin on the body weight gain, feed efficiency, microflora and pH in the ileum content of broiler-type chicks. Ross PM3 broiler chicks were placed in an experimental design that consisted of four dietary treatments ...
این پژوهش به اکسید اسیون متانول در محیط قلیایی می پردازد. برای این منظور ابتدا ترسیب ذرات نیکل، پلاتین و نیکل – پلاتین بر روی زیر لایه کاغذ کربنی به روش آبکاری به شیوه ی جریان مستقیم استفاده شد. در ادامه مورفولوژی پوشش های ذرات فلزی بر روی کاغذ کربنی از طریق میکروسکوپ الکترونی روبشی بررسی و مطالعه شد. سپس خواص کاتالیستی الکترودها ی حاصل در اکسیداسیون متانول با استفاده از روشهای الکتروشیمیایی هم...
We tested 259 methicillin-resistant Staphylococcus aureus isolates and 2 USA300 ATCC type strains for susceptibility to bacitracin and neomycin contained in over-the-counter antibacterial ointments. Resistance to both bacitracin and neomycin was found only in USA300. The use of over-the counter antimicrobial drugs may select for the USA300 clone.
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