Background : To resistant of Enterococcus faecalis to a range of antibiotics, has become one of the concerns of sanitation in most communities and has made many researchers raise identify and  using of novel antibacterial compounds against E. faecalis as one of important strategies to control this pathogen. The present study, we assessed the antibacterial effect of thirty new thiazole, thi...

Abstract Background and Objective: Resistance of Helicobacter Pylori (H. pylori) to antibiotics is the main cause of relapse into Helcobacterial infections. With the use of several antibiotics that have synergistic effect, we can inhibit this antibiotic resistance. Thus, we aimed at determining resistance patterns and assessing the synergy of combining multiple antibiotics on H. pylori. ...

Abstract       Background and Objective: The spread of drug resistance in bacteria have prompted researchers to seek suitable alternative for antimicrobial drugs among various medicinal plants and nanoparticles. The aim of this study was to evaluate the effect of silver nanoparticles alone and in combination with methanol extract of Zataria multiflora on five Gram-...

Background: Lactic acid bacteria interfere to improve the taste of food products and and to prevent the growth of food spoilage organisms and pathogens with producing antimicrobial substances called bacteriocin. To study the antagonistic effect of isolated Lactobacillus from soil where native yogurt is processed against pathogenic bacteria is the purpose of this study. Methods: In this cross-s...

Background and Objectives: Mouthwashes are commonly used to reduce the harmful effects of oral bacteria. The purpose of the present study was to compare the antibacterial effects of Matrica and Chlorhexidine 0.2% mouthwashes on common microorganisms in periodontal diseases. Materials and Methods: This is a laboratory study in which disc diffusion method was used. The diameter of the inhibition...

adolescents and young adults and their problems is an issue whose importance is obvious to anyone because youth are the founders of our countrys future and requires proper planning to be on leisure. given the importance of leisure,this study to investigate needs assessment and planning how adolescents and young adults spend their leisure time in urban of case study of high school girls and boys...

Backgrond:Yersinia enterocolitica is zoonotic pathogen and one of important gastroenteritis agents. Some drug-resistant strains of this bacterium were discovered in the world. The use of new antibacterial compounds is one the best ways to deal with it.  In this study, inhibitory effects of magnesium oxide nanoparticles, some heterocycles including thiazole, imidazolidine and tetrahydropyrimidin...