نتایج جستجو برای: zone of inhibition
تعداد نتایج: 21188399 فیلتر نتایج به سال:
Background and Purpose: Treatment of life-threatening fungal infections caused by Candida species has become a major problem. Candida spp. are the most important causative agents of candidiasis. Allium tripedale is a medicinal plant that has been traditionally used to treat infections. In the present study, we aimed to determine the chemical compounds and antimicrobial activity of hydroalcoholi...
Background: Essential Oils (EOs) are natural metabolic products of plants that contain a condensed chemical hydrophobic liquid compounds. The aim of this study was to evaluate inhibitory effects of EOs of Cinnamon zeylanicum and Myristica fragrans against Brucella abortus 544 inoculated in fresh Baladi cheese. Methods: Fresh Baladi cheese was manufactured from experimentally contaminated milk ...
in this study, antimicrobial effects of zataria multiflora boiss added to sodium caseinate film on four bacterial species: staphylococcus aurous, escherichia coli, bacillus subtilis and salmonella intertidis was investigated. disk diffusion method was used to study the antimicrobial activity of zataria multiflora boiss in sodium caseinate film. 9 mm disks were prepared from produced films with ...
significant dropping of infectious disease is owned greatly to antibiotic development industry. due to prevalence of drug resistance organisms alongside with other problems, scientists are focusing on medicinal plants. medicinal plants and their antimicrobial components are attractive alternatives for antibiotics. in the present project, the antimicrobial effects of methanolic extract and fract...
objective(s): a large ratio of surface to volume of nanoparticles in comparison with bulk ones, will increase the cell penetration and therefore their toxicity. materials and methods: chemical precipitation method was used in order to synthesis of zns:ag quantum dots. their physical properties and characteristics were assessed by x-ray diffraction, ultra violet-visible spectrophotometer, transm...
Abstract Background and aim: Dental caries is a major health problem nowadays. polyphenolic compounds of tea can exert its anti-cariogenic effects by affecting the cariogenic Streptococcus Mutans bacteria. The aim of this study was to investigate the antimicrobial effect of ethanolic, methanolic and aqueous extracts of green tea in comparison with chlorhexidine on Iranian strain of this bacteri...
Many plants play important role in pharmaceutical, food, medicine and cosmetic industries for their volatile oils. Numerous studies have been carried out on various plant species and effect of their essential oils or extracts on microorganisms. In the present study antibacterial effect of Iranian thyme on two pathogens of E.coli and S.aure...
Background and Aim: Mouthwashes are one of the tools used to reduce decay. Fluorin total mouthwash is a new mouthwash, so far no research has been done on its effect on streptococcus mutans. Materials and Methods: In this study, the diameter of growth inhibition zone for streptococcus mutans bacteria was compared between fluorin total and chlorhexidine mouthwash. First, we cultured the bacteri...
this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...
Background: Despite the availability of a wide range of antibiotics, bacterial infections are among important challenges for the healthcare system. Therefore, the introduction of new antimicrobial preparations such as platelet-rich plasma (PRP) could be suggested theoretically as a preventive measure for bacterial infections. We aimed to evaluate the in vitro antibacterial activity of PRP again...
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