نتایج جستجو برای: bacillus cereus hn
تعداد نتایج: 59774 فیلتر نتایج به سال:
in the present paper, the biodesulfurization of simulated light fuel oil (i.e., dibenzothiophene (dbt) in dodecane) and untreated kerosene with a high total sulfur content has been studied by a native isolated bacterium named bacillus cereus hn. the influences of various parameters such as the reaction temperature (t), biocatalyst cell density, oil phase fraction (ofp), and initial dbt concentr...
قرارگیری میکروارگانیسم ها در ساختاری به نام بیوفیلم موجب حفاظت سلول ها در برابر ترکیبات ضد میکروبی شده و مقابله با این ساختار ها را دشوار می نماید. از آن جا که میکروارگانیسم های مولد بیوفیلم عامل بسیاری از مشکلات در صنعت و پزشکی می باشند، دستیابی به شیوه های جدید برای حذف و مهار این ساختار ها ضروری است. در این پژوهش 17 گیاه انتخاب و تاثیر عصاره های الکلی آن ها بر باکتری های staphylococcus aure...
In the present paper, the biodesulfurization of simulated light fuel oil (i.e., dibenzothiophene (DBT) in dodecane) and untreated kerosene with a high total sulfur content has been studied by a native isolated bacterium named Bacillus cereus HN. The influences of various parameters such as the reaction temperature (T), biocatalyst cell density, oil phase fraction (OFP), and initial DBT concentr...
Aiming to develop a DNA marker specific for Bacillus anthracis and able to discriminate this species from Bacillus cereus, Bacillus thuringiensis, and Bacillus mycoides, we applied the randomly amplified polymorphic DNA (RAPD) fingerprinting technique to a collection of 101 strains of the genus Bacillus, including 61 strains of the B. cereus group. An 838-bp RAPD marker (SG-850) specific for B....
Food poisoning laboratories identify Bacillus cereus using routine methods that may not differentiate all Bacillus cereus group species. We recharacterized Bacillus food-poisoning strains from 39 outbreaks and identified B. cereus in 23 outbreaks, B. thuringiensis in 4, B. mycoides in 1, and mixed strains of Bacillus in 11 outbreaks.
امروزه یکی از چالش بسیار مهم در عرصه مهندسی بافت، بهینه کردن داربست ها جهت جداسازی، تکثیر و تمایز سلول ها می باشد. در این زمینه تحقیقاتی در سطح دنیا انجام شده است و از پلیمرهای گوناگونی جهت نیل به این هدف بهره برده شده است. در بحث مربوط به داربست خصوصیاتی مد نظر می باشد که در این زمینه محققان بسیاری تحقیق کرده اند. از آن جمله می توان موارد زیر را نام برد: قدرت مکانیکی جهت تقلید از شرایط موجود...
background and objectives: research on xylanase has markedly increased due to its potential applications in pulping and bleaching processes using cellulose free preparations, textile processes, the enzymatic saccharification of lignocellulosic materials and waste treatment. the present study was aimed at isolation and characterization of xylan degrading strain of bacillus cereus from soil for p...
Genome features of the Bacillus cereus group genomes (representative strains of Bacillus cereus, Bacillus anthracis and Bacillus thuringiensis sub spp. israelensis) were analyzed and compared with the Bacillus subtilis genome. A core set of 1381 protein families among the four Bacillus genomes, with an additional set of 933 families common to the B. cereus group, was identified. Differences in ...
Fifty nine samples of raw milk, 60 samples of pasteurized milk, 24 cream, 39 butter, 27 curd, 19 peda, 21 paneer and 20 skim milk powder samples were analyzed for the presence of different Bacillus species and a total of 182 isolates were obtained. The isolates were identified as Bacillus subtilis (51), Bacillus megaterium (39), Bacillus cereus (28), Bacillus licheniformis (32), Bacillus coagul...
The identification of Bacillus anthracis involves its differentiation from other aerobic sporeformers, particularly Bacillus cereus. Smith et al. (1952), in a study of aerobic sporeforming bacteria, concluded that B. anthracis is a pathogenic variety of B. cereus. They also stated that strains of B. anthracis which had lost their virulence could not be differentiated from B. cereus. This appare...
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