نتایج جستجو برای: positive bacteria compared to gram

تعداد نتایج: 10794291  

Journal: :FEMS microbiology letters 2000
W L Hynes S L Walton

Bacterial hyaluronidases, enzymes capable of breaking down hyaluronate, are produced by a number of pathogenic Gram-positive bacteria that initiate infections at the skin or mucosal surfaces. Since reports of the hyaluronidases first appeared, there have been numerous suggestions as to the role of the enzyme in the disease process. Unlike some of the other more well studied virulence factors, m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...

احمدی جبلی, محمد, حیاتی, باقر, دارایی , هیوا, غریبی, فردین, ملکی , افشین,

Background and purpose: There is growing application of dendrimers in the world, therefore, this study was conducted to evaluate the effect of antibacterial properties of generation-2 and 4 poly (amidoamine) dendrimer (PAMAM) on some bacteria isolated from water resources. Materials and methods: Water samples were collected from drinking water resources. Bacteria were isolated and identified u...

Objective(s): In this work, pomegranate juice was used as a capping agent for self- assembly to form particles-like Au nanostructures in the presence of AuHCl4.3H2O as aurate source. Besides, to investigate the concentration effect of pomegranate juice as the green capping agent on the morphology and particle size of final products several experiments were...

Journal: :Journal of Clinical Microbiology 1982

Journal: :Antimicrobial Agents and Chemotherapy 1994

Journal: :Japanese Journal of Lactic Acid Bacteria 2001

Background and purpose: Marrubium plants have long been used as a traditional medicine in treatment of diseases. The aim of this study was to evaluate the antimicrobial effects of Marrubium parviflorum extracts and fractions. Materials and methods: In this experimental study, solvent extraction from aerial parts of the plant was done by Soxhlet method. The antimicrobial effect of the extracts ...

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