نتایج جستجو برای: resistance factor
تعداد نتایج: 1186895 فیلتر نتایج به سال:
Nowadays, due to the need for miniaturization, small scale resistance spot welding is of interest. The key factor that determines the nugget size is contact resistance. In this paper a new equation is provided to calculate the electrical contact resistance. The model can predict the high temperature contours and the nugget configuration efficiently. Also, a set-up was constructed to verify the ...
Vascular endothelial growth factor receptor (VEGFR) inhibitors are approved for the treatment of several tumor types; however, some tumors show intrinsic resistance to VEGFR inhibitors, and some patients develop acquired resistance to these inhibitors. Therefore, a strategy to overcome VEGFR inhibitor resistance is urgently required. Recent reports suggest that activation of the hepatocyte grow...
Different studies on animals in around the world show that there are multiple-drug resistance in strains of Escherichia coli (E. coli). Such microorganisms are notorious for the extension of colibacillosis in poultry, which great economic losses bring for the poultry industry. This study was carried out to determine drug resistance and resistance factor transfer in E. coli strains isolated from...
Introduction & Objective: Leptin , the main peptide secreted by adipose tissue, is considered an alarming factor in the regulation of body fat content . With regard to the physiological effect of exercise as one of the potential regulators of leptin secretion from adipose tissue , this study was performed to examine the effects of resistance exercise on leptin. Materials & Methods: Twenty in...
Infections caused by commensal organisms by changing to infectious life style generate much challenge to the current treatment strategies. Coagulase Negative Staphylococci (CoNS) are one of them, with their coexisting biofilm forming and multiple antibiotic resistance properties form important agents of nosocomial infection. To evaluate species distribution, biofilm formation, and antibiogram, ...
The main purpose of the present study is to develop a scale measuring sense resistance azatoi behavior in female Japanese university students. participants this were 114 students and 18 items rated. First, factor structure Azatoi Behavior Resistance Scale (ABRS) was investigated using exploratory analysis. Then, validity examined confirmatory result analysis showed that fit indices indicated be...
Background and Objective: Acinetobacter has been considered an important nosocomial pathogen since 1970. This study aims to investigate the prevalence of Acinetobacter infection during 2017-2021, study the antibiogram of these bacteria, and study the impact of gender on infection. Materials and Methods: This is a retrospective study in which data of the clinical samples received in Al-Kafeel H...
Background: The aim of the present study was to investigate the simultaneous effect of resistance training and stem cell injection on the levels of some indicators of skeletal muscle apoptosis in STZ-induced diabetic male rats. Methods: In this study, 30 rats were randomly divided into 5 groups. Rats in the diabetic group and the diabetic group + stem cell injection had a total of 17 sessions...
Controlled shearing of R-factor DNA leads to formation of fragments carrying an antibiotic resistance gene present on, but not expressed by, the intact R-factor. Transformation of CaCl(2)-treated E. coli by such fragments yields an autonomously replicating tetracycline-resistance plasmid (Tc6-5) that contains only a small fraction of the genome of the parent R-factor, and lacks both its fertili...
remain ill-defined. The first R factor described, and most of those studied subsequently in Japan (T. Watanabe, Bacteriol. Rev. 27:87, 1963), mediated resistance to sulfonamides (SU), streptomycin (SM), tetracycline (TC), and chloramphenicol (CM). These results, and the lack of evidence that this pattern of resistance had gradually accumulated in Japan, suggested that this was the parent R fact...
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