نتایج جستجو برای: respectively the most crystal producing isolates
تعداد نتایج: 16140320 فیلتر نتایج به سال:
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Background and Objectives Since the fluoroquinolones are the broad-spectrum antibiotics, they affect both Gram-negative and Gram-positive bacteria. These antibiotics are widely prescribed by physicians. As a result, some bacteria, especially Enterobacteriaceae, have shown a resistance to this family of antibiotics. The current study aimed at detecting the frequency of qnrA, qnrB, and qnrS genes...
determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...
The occurrence of extended-spectrum beta-lactamases-producing bacteria is an important public health issue. The aim of this study was to investigate phenotypic and genotypic characteristics regarding the presence of extended spectrum β-lactamase ctx-m, per and ver producing Escherichia coli isolated from raw dairy samples. For this purpose, E. coli were isolated from 247 raw dairy samples (milk...
Among 177 carbapenemase-producing Gram-negative bacilli (108 KPC, 32 NDM, 11 IMP, 8 OXA-48, 4 OXA-181, 2 OXA-232, 5 IMI, 4 VIM, and 3 SME producers), aztreonam-avibactam was active against all isolates except two NDM producers with elevated MICs of 8/4 and 16/4 mg/liter; ceftazidime-avibactam was active against all KPC-, IMI-, SME-, and most OXA-48 group-producing isolates (93%) but not metallo...
Background: Pseudomonas aeruginosa is the causing agent of many hospital infections and metallo-beta-lactamases (MBL) are being reported with increasing frequency. The aim of this study was to determine the frequency of metallo-&beta-lactamases (MBL) and VIM-1 gene in multidrug-resistant strains of P. aeruginosa isolates and to compare the methods of phenotypic and molecular detection. Materia...
Background and Objective: Pseudomonas aeruginosa is a causative agent of nosocomial infections. Metallo-beta-lactamases (MBLs) are considered among the most crucial resistant agents of Pseudomonas aeruginosa to carbapenem. Because of the important role of carbapenemes in the treatment of Pseudomonas infections, in this study, the Pseudomonas aeruginosa producing metallo-beta-lactamases were inv...
Background and purpose: Pseudomonas aeruginosa is one of the most important pathogens of burn infections in hospitals. It causes infection by producing some virulence factors such as exoS and exoT cytotoxins. The aim of this study was to evaluate the frequency of exoS and exoT genes among P.aeruginosa isolated from wound infections in burn patients and the relationship between the presences of ...
background: pseudomonas aeruginosa is the causing agent of many hospital infections and metallo-beta-lactamases (mbl) are being reported with increasing frequency. the aim of this study was to determine the frequency of metallo-&beta-lactamases; (mbl) and vim-1 gene in multidrug-resistant strains of p. aeruginosa isolates and to compare the methods of phenotypic and molecular detection. materia...
Background and aim: Excessive use of antibiotics has significantly increased resistance to common antibiotics in the treatment of urinary tract infections. In the present study, antimicrobial efficacy of chitosan nanoparticles and peptide IDR-1018 was evaluated against P. aeruginosa isolates. Methods: In the present study, 20 resistant and 20 sensitive P. aeruginosa isolates to imipenem were ...
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