نتایج جستجو برای: pseudomonas stutzeri
تعداد نتایج: 53118 فیلتر نتایج به سال:
چکیده: نانوذرّه برابر با یک میلیاردم متر از یک ماده می باشد. روشهای فیزیکی سنتز نانوذرّات، معمولاً نیاز به دما یا فشار عملیاتی بالا دارند. در روشهای شیمیائی سنتز نانوذرّات، آلودگی حاصل از مواد شیمیائی ایجاد مشکل میکند و نیاز به پایدارکننده-هائی برای جلوگیری از ترکیب شدن نانوذرّات می باشد. بنابراین نیاز به روشهای بیولوژیک ارزان، تمیز، غیرسمّی و سازگار با محیط زیست (شیمی سبز) جهت سنتز نانوذرّات می ب...
Three bacterial isolates identified as Alcanivorax borkumensis SK2, Rhodococcus erythropolis HS4 and Pseudomonas stutzeri SDM, based on 16S rRNA gene sequences, were isolated from crude oil enrichments of natural seawater. Single strains and four bacterial consortia designed by mixing the single bacterial cultures respectively in the following ratios: (Alcanivorax: Pseudomonas, 1:1), (Alcanivor...
From an o-xylene-degrading Pseudomonas stutzeri strain (OX1), we previously isolated mutant M1, which had acquired the ability to grow on m-xylene and p-xylene but lost the ability to utilize the ortho isomer. From M1 cultures we have now isolated a revertant strain (R1) which grows on o-xylene and retains the ability to grow with the meta and para isomers regardless of the selective pressure a...
Abstract: Background and Objective: A wide variety of opportunistic pathogens has been detected in hospital surfaces. Among these , Pseudomonas species are one of the leading causes of nosocomial infections, frequently found in hospital environments. The purpose of this study was identification of antimicrobial susceptibility of Pseudomonas spp. isolated from different Section of ShahidRajaeii ...
A nitrogen-fixing bacterium, designated strain 6H33b(T), was isolated from a compost pile in Japan. The nitrogenase activity of this strain was detected based on its acetylene-reducing activity under low oxygen concentrations (2-4%). An analysis of the genes responsible for nitrogen fixation in this strain, nifH and nifD, indicated a close relationship to those of Pseudomonas stutzeri A15 (A150...
Bacteriocin has been used widely in industry as a Backgrounds biopreservative agent. The objective of the present study was to investigate the potency of Bacteriocin isolated from tiger prawn and Penaeus monodon freshwater shrimp as an anti-bacterial on fish. Macrobrachium rosenbergii : A total of ten candidates of probiotic bacteria consisted of five Methods isolates from tiger shrimps (H1, H2...
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