Regarding the revealing side effect of chemical medications, such as antimicrobial resistance and etc, herbal medications have been considered as one of potential alternative to chemical one. The main purpose of this study was to evaluate the in vitro antibacterial effect of lavender ( Lavandula angustifolia) and ajwain ( Trachyspermum ammi) essential oil on two important rainbow trout bacteria...

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...

Background & Objective : Currently, efforts are underway to seek new and effective antimicrobial agents, and marine resources are potent candidates for this aim. The following study was conducted to investigate the efficacy of water-soluble and acid-soluble chitosan against some pathogenic organisms.   Materials & Method s: Inhibition zone of different concentrations (5, 7.5, and 10 mg/ml) of a...

Background and purpose: Garlic and cinnamon extracts, like fluoride varnish, play a role in caries control due to their antimicrobial effect and controlling demineralization. This analytical laboratory study was conducted in 2021 to investigate the antimicrobial effect of garlic and cinnamon extracts compared with fluoride varnish in controlling the infection of oral Lactobacillus acidophilus a...

Background and purpose: This study aimed at investigating the antibacterial effects of nanoparticles synthesized with ethanol extract of Rosa damascena and Juglans regia (walnut leaves) against methicillin-resistant Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, and Acinetobacter baumannii. Materials and methods: In this experimental study, gold nanoparticles were synthesized...

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...