نتایج جستجو برای: scale production of biological control agent b subtilis utb96 finally

تعداد نتایج: 21472311  

Journal: :jundishapur journal of natural pharmaceutical products 0
bagher amir heidari department of biotechnology, school of pharmacy, kerman university of medical sciences, kerman, ir iran shokoofeh badinloo department of pharmaceutics, school of pharmacy, kerman university of medical sciences, kerman, ir iran mandana ohadi pharmaceutics research center, institute of neuropharmacology, kerman university of medical sciences, kerman, ir iran gholamreza dehghan noudeh department of pharmaceutics, school of pharmacy, kerman university of medical sciences, kerman, ir iran; pharmaceutics research center, institute of neuropharmacology, kerman university of medical sciences, kerman, ir iran; department of pharmaceutics, school of pharmacy, kerman university of medical sciences, kerman, ir iran

conclusions b. subtilis entrapped in beads was able to preserve its viability and produce biosurfactants as secondary metabolites. therefore, this method could be applied as a continuous culture system of biosurfactant production. methods alginate and bacterial solutions were mixed by stirring to obtain a uniform mixture and added by drops into cacl2 solution to form spherical beads. the spheri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

abstract lexical knowledge of complex english words is an important part of language skills and crucial for fluent language use (nation, 2001). the present study, thus, was an attempt to assess the role of morphological decomposition awareness as a vocabulary learning strategy on learners’ productive and receptive recall and recognition of complex english words. so 90 sophomores (female and ma...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم پایه 1391

food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...

Journal: :حفاظت گیاهان 0
مریم رمضانی مقدم وحید جهانبخش عصمت مهدیخانی مقدم ساره بقائی راوری حمید روحانی

in this study, high biocontrol potentially bacillus isolates, against root knot nematode were evaluated from viewpoint of biofilm formation and root colonization in vitro. among 139 bacillus isolates from tomato rhizosphere of several regions of razavi khorasan, 15 strains which show more ability to prevent egg hatch and cause larvae mortality of meloidogyne javanica, were tested in biofilm ass...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ادبیات، زبانهای خارجی و تاریخ 1393

the current thesis is composed in five chapters in the following fashion: chapter two encompasses the applied framework of the project in details; the methodology of carl gustav jung to explain the process of individuation, the major archetypes and their attributes and his techniques to assess the mind’s strata are all explained. moreover, the austrian psychoanalysts, heinz kohut’s models of a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده ادبیات و زبانهای خارجی 1390

abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...

Journal: :Environmental microbiology 2013
Yun Chen Fang Yan Yunrong Chai Hongxia Liu Roberto Kolter Richard Losick Jian-Hua Guo

Bacillus subtilis and other Bacilli have long been used as biological control agents against plant bacterial diseases but the mechanisms by which the bacteria confer protection are not well understood. Our goal in this study was to isolate strains of B. subtilis that exhibit high levels of biocontrol efficacy from natural environments and to investigate the mechanisms by which these strains con...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...

Journal: :research in molecular medicine 0
samaneh mashhadi 2. school of pharmacy, mashhad university of medical sciences, mashhad, iran. mahdi moshtaghi nikou 3. microorganisms bank, iranian biological resource centre (ibrc), acecr tehran-iran mohammad ali amoozegar 4. extremophiles laboratory, department of microbiology, faculty of biology and center of excellence in phylogeny of living organisms, college of science, university of tehran, tehran, iran. abolghasem danesh

background: the appearance of multi-drug resistant microorganisms is becoming a global problem. already several strategies have been employed for overcoming antibiotic resistance issue. developing new antimicrobial compounds from microbial source could be a beneficial solution. hence screening programs in order to discover new antibiotics from microbial entities is interesting. because of high ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

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