نتایج جستجو برای: liquid culture

تعداد نتایج: 487667  

Journal: :South Asian Research Journal of Biology and Applied Biosciences 2019

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...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

the present paper offers a postcolonial reading of two of the best novels by v. s. naipaul – half a life and the mimic men – in five chapters. the focus of this research is on different notions of postcolonial criticism and their application on the two novels as discussed from homi bhabha’s and frantz fanons points of view. having introduced the life and literary career of v. s. naipaul in th...

Journal: :Journal of food science 2008
T Jin H Zhang

Biodegradable polylactic acid (PLA) polymer was evaluated for its application as a material for antimicrobial food packaging. PLA films were incorporated with nisin to for control of foodborne pathogens. Antimicrobial activity of PLA/nisin films against Listeria monocytogenes, Escherichia coli O157:H7, and Salmonella Enteritidis were evaluated in culture media and liquid foods (orange juice and...

Journal: :تحقیقات دامپزشکی 0
دلاور شهباز زاده گروه تحقیقات و توسعه مشترک نانونصب پارس، عضو دفتر علم و فناوری دانشگاه تهران دلاور شهباززاده انستیتو پاستور ایران، بخش بیوتکنولوژی علی میثاقی گروه بهداشت مواد غذایی دانشکده دامپزشکی دانشگاه تهران محمدرضا پورشفیع بخش میکروب شناسی انستیتو پاستور ایران

staphylococcus spp., is a common bacteria in cattle mastitis. detection of the low number of bacteria requires a sensitive method. we used multiplex polymerase chain reaction (m-pcr) assay to detect the genes encoding sea, seb, sec toxins, that are specific in s. aureus bacteria. the gene of 23s rrna that is conserved in all staphylococcus spp., also was used. due to the stiffness and low effec...

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