نتایج جستجو برای: zone of inhibition
تعداد نتایج: 21188399 فیلتر نتایج به سال:
background and aims: one of the most common chronic diseases in the world is tooth decay. a variety of bacteria are involved in this disorder of which streptococcus mutants is the most common. essential oils are considered as new natural compounds for use in combating drug-resistant bacteria. this study was aimed to evaluate the antibacterial activity of some essential oils prepared from eucaly...
In the preceding publication (1) mention has been made of the syntrophism existing between the mutant strains llA16 and 2OA19 of Escherichia COG. These mutants, requiring isoleucine and isoleucine plus valine respectively, were able to grow together on a minimal agar plate, free of amino acids, which would not support the growth of either mutant alone. The nature of this syntrophism forms the s...
Background and Objectives: Vibrio parahaemolyticus is the causative agent of gastroenteritis due to consumption of contaminated seafood. The aim of the present study was to determine the chemical composition of Essential Oils (EOs) of five plants (Artemisia absinthium, Zataria multiflora Boiss., Pulicaria gnaphalodes, Trachyspermum ammi and Cuminum cyminum) and to evaluate their antimicrobial a...
introduction: electrophysiological studies have demonstrated a relationship between aging and atrioventricular (av) nodal conduction and refractoriness. the aim of the present study was to determine the effects of nodal aging on dynamic av nodal field potential recording during atrial fibrillation (af) in rabbit. methods: two groups of male new zealand rabbits (neonatal 2-week-olds and adult 12...
Abstract Background and Aim: Chronic periodontitis is caused by a complex of periopathogenic microorganisms, some of which are more closely related to the active phase of the disease. The aim of this study was to investigate the antibacterial effect of two desensitizing agents voco bifluoride 10 and Mi paste on three common periopathogen bacteria Materials and methods: In this experimental lab...
Background: Nano scale dendrimers are macromolecules synthetic which frequently used in medical and health field. Because traditional antibiotics inevitably induce bacterial resistance, which is responsible for many treatment failures, there is an urgent need to develop novel antibiotic drugs. This study was aimed to examine Synthesis and the antibacterial effect of NanoPolyamidoamine-G7 (NPAMA...
مطالعه 148 نمونه از سازند سروک در برش تنگ چنارباشی در جنوب شرق شهرستان ایلام واقع در مرکز استان ایلام از جهت سنگ چینه نگاری، سیستماتیک، زیست چینه نگاری (بر اساس فرامینیفرا و الیگوستژینید) و چینه نگاری سکانسی بر اساس (hunt&tucker, 1992 ; 1995) انجام شد. با مطالعه سنگ چینه نگاری مشخص شد که در این مطالعه مرز زیرین سازند سروک با شیل آهکی و میان لایه سنگ آهک سازند گرو پیوسته و با سنگ آهک های رسی س...
The present study aimed at evaluating the antimicrobial activity of chloroform extracts of stem and leaf of Kedrostis foetidissima (jacq.) cogn. (Cucurbitaceae) against Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Serratia marcescens and Klebsiella pneumoniae. was carried out using agar disc diffusion technique. The results revealed that the chloroform extract of stem presen...
The present study aimed at evaluating the antibacterial activity of methanol extract of Ruta chalapensis, L., (Rutaceae), Quercus infectoria Oliver., (Fagaceae) and Canthium parviflorum Lam., (Rubiaceae) against Staphylococcus aureus, Pseudomonas aeruginosa, Enterococcus faecalis, Klebsiella oxytocoa, Klebsiella pneumoniae and Proteus mirabilis. The experiment was carried out using disc diffusi...
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