نتایج جستجو برای: significant diffirences in inhibition zone diameter

تعداد نتایج: 17068050  

Bahareh Nazemi Salman, Neda Sajedinejad, Shayan Darvish,

Objectives Periodontal diseases are one of the common oral diseases and microbial oral flora is one major factor responsible for it. Elimination of periodontal pathogens is particularly important in managing the periodontal state. This study aimed to assess the antibacterial effects of Nanosil, chlorhexidine (CHX) and probiotic mouthwashes on periodontal pathogens. Methods In this in-vitro stu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده ادبیات و علوم انسانی 1392

abstract: the present study was undertaken to investigate whether 1) there is any significant correlation between iranian efl/eap learners’ l2 writing proficiency and their willingness to communicate, 2) there is any significant difference between efl and eap learners in terms of willingness to communicate, 3) there is any significant difference in wtc of iranian efl/eap learners with 1- nati...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1392

in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...

Purpose: In this study, we have focused on antibacterial effect of newly synthesized thiazole, imidazole and tetrahydropyrimidine derivatives in Iran on listeria monocytogenes. Materials and Methods: For evaluation of antibacterial effect, the disk diffusion method was applied to measure the growth inhibition zone diameter and broth micro dilution was performed to determine the minimum inhib...

Journal: :دامپزشکی 0
مصطفی مرادی موسسه تحقیقات واکسن و سرم سازی رازی، کرج

antibacterial effects of honeybee propolis tested on the paenibacillus larvae larvae, cause of honeybee american foulbrood disease. after cultivation of bacterium in special medium we used of two antibacterial susceptibility tests: broth dilution susceptibility test and paper disk susceptibility test. in the b.d.s.t 0.32 milligrams/ml and higher concentrations of propolis inhibited growth of th...

The aim of this study was to evaluate the efficiency of polyurethane foam containing silver nanoparticles synthesized by Verbena officinalis leaf extract in controlling of Yersinia ruckeri in treatment of water tanks of rainbow trout farming. Biosynthesis of silver nanoparticles is done with 2mM silver nitrate solution and Verbena officinalis extract. To study antibacterial effects of the produ...

ژورنال: مجله علمی پژوهان 2019
Dashipoor, Alireza, Eslami, Maryam, Saeidian , Shahriar ,

Background and Objectives: Today, with increasingresistance of bacteria to antibiotics, the use of medicinal plants has increased. The aim of this study was to investigate the antibacterial properties of Carla extract on Escherichia coli and Staphylococcus aureus to investigate the inhibitory properties and to find alternative drugs. Materials and Methods: In this research, the antimicrobial a...

In different folk medicine Ziziphus spina-christi is used for different purposes such as pneumonia, dysentery, scorpion stings, cough, constipation, intestinal worms and fever. The aim of this study was evaluation and comparing the antibacterial activity of methanolic and ethanolic extracts of Ziziphus spina –christi as well as subsequent structural changes in affected bacteria. For this purpos...

Background: Rhodoccocus equi, Brucella abortus, and Pasteurella multocida are important veterinary bacterial pathogens that in recent years have been resisted to current antibiotics, and this problem threats the livestock industry. To control this resistant microorganisms, use of new antibacterial compounds, such as thiazole derivatives, in veterinary is necessary. OBJECTIVES: In this study, an...

2014
Ziba Shabani Ahmad Sayadi

Article history: Received on: 05/02/2014 Revised on: 26/02/2014 Accepted on: 19/03/2014 Available online: 27/05/2014 The present study was aimed to assess the plants antimicrobial effects such as Tamarisk, March, acetone and mango kernel. The aqueous and ethanol extract of the plants and also its smoke was prepared in concentrations of 50 and 25 mg/mL. The bacteria Staphylococcus aureus, Strept...

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