نتایج جستجو برای: treated showed than 80 infection rate growth regulator
تعداد نتایج: 4453591 فیلتر نتایج به سال:
The posttranscriptional regulator RsmA controls the production of plant cell wall degrading enzymes (PCWDE) and cell motility in the Pectobacterium genus of plant pathogens. In this study the physiological role of gene regulation by RsmA is under investigation. Disruption of rsmA gene of the Pectobacterium wasabiae strain, SCC3193 resulted in 3-fold decrease in growth rate and increased virulen...
In order to evaluate ethyl methane sulfonat (EMS) mutagenic substance on some of the phytochemical traits of stevia plants regenerated from calluses, two separate experiments were conducted with three replications. At the first experiment a factorial arrangement based on completely randomized design was used. leaf explants were transferred to MS culture media containing the growth regulator thi...
Background and purpose: Since adenoviruses could be one of the causes of health problems in children and due to lack of epidemiologic evidences, always will be misdiagnosed with bacterial infections and treated with antibiotics. This study was planned and performed to determine the frequency of adenoviruses in lower respiratory tract infections in children under 14 years referring to 6 Tehran...
The growth rate of Rickettsia sennetsu, the etiological agent of sennetsu rickettsiosis, a special type of infectious mononucleosis found in western Japan, is very low when the ordinary experimental methods used for other members of the rickettsiae are employed. Attempts have been made to increase its growth the rickettsiae are employed. Attempts have been made to increase its growth rate in ce...
the mouteh refractory pyrite concentrates at pulp densities of 1.5%, 3%, 4.5% and 6% were treated, using thiobacillus ferrooxidans dsm 581 and the same bacteria adapted on the mouteh pyritic concentrate. compared with a non-adapted culture, use of an adapted inoculum of t. ferrooxidans increased bioleaching rate of iron by a factor of 1.940, 2.011, 1.859 and 1.559 for pulp densities 1.5%, 3%, 4...
Abstract Background and Objectives Platelet gel prepared from platelet-rich plasma, containing growth factors, accelerates reconstruction of skin layers, stimulation of angiogenesis and increase of collagen synthesis in wounds healing process. In this study, the effect of human platelet gel on was investigated VEGF expression in experimental skin wounds in rat. Materials and Methods In thi...
a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...
the effects of crystallization of indomethacin as a poorly water-soluble drug in aqueous surfactant solutions (using the basket method), on the drug dissolution behavior was investigated.a significant enhancement of drug dissolution was observed for for the dissolution rates of crystals treated with hydrophilic surfactants, tween 80 and sodium lauryl sulfate (sls). however, asing arlacel 60 as ...
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