نتایج جستجو برای: minimum bacterial concentration
تعداد نتایج: 724930 فیلتر نتایج به سال:
Trachyspermum copticum (Apiaceae) is an annual plant which grows in Iran. The fruits of T. copticum (Ajwain) traditionally were used as diuretic, carminative, and antihelmentic. Some biological effects of Ajwain such as antiviral, antifungal and antioxidant activities have been confirmed. The objective of the present investigation was toevaluate the antibacterial activity of e...
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...
A new, optimized, antimicrobial enzyme system was developed for the control of wound bioburden. This Glucose oxidase-Lactoperoxidase-Guaiacol (GLG) system was analyzed for antimicrobial activity and cytotoxicity. The susceptibility of a wide range of antibiotic-resistant bacterial strains to the GLG-enzyme system was analyzed using minimum inhibitory concentration (MIC90), minimum bactericid...
conclusions these extracts can be used as antibacterial agents in treating infectious diseases. further studies are needed for considering this plant as an antibacterial plant and benefit from its clinical applications for routine use. background tagetes genus contains 56 species and is native in north and south america, but some have become widespread around the world. objectives this study wa...
conclusions the results of this study suggest that e. hebecarpa extracts can be used to inhibit the planktonic and biofilm forms of these selected bacteria. objectives in an effort to combat these industrial and medical bacterial biofilm problems, our study aims to determine the antimicrobial effect of euphorbia hebecarpa. materials and methods the inhibition efficiency of alcoholic extracts on...
Minimum alveolar concentration (MAC), served as the vital concept for standard measure of potency for inhaled volatile anesthetic agents, has been employed in anesthetic practice for more than 50 years. A re-consideration in the connotation and influence factors on MAC is introduced in this article. MAC actually indicates “median effective dose (ED50) for immobility”, but it is at least not com...
Objective Zataria is one of the native plants of Iran which is widely used for the treatment of diseases among Iranians. In this study, we investigated the antimicrobial effects of Zataria essential oil on the skin bacteria in rats. Methods Bacterial strains were isolated from the skin of 6 wistar rats and the antimicrobial effects of Zataria essential oil were evaluated by disk diffusion and ...
Natural compounds including essential oils (EOs) are used to inhibit the pathogenic bacterial growth in foods. The objective of this study was to investigate the combined effect of Trachyspermum ammi EO and propolis ethanolic extract (PEE) on some food pathogenic bacteria. In this study, the effect of T. ammi EO and PEE at different concentrations, individually and in combinat...
Consumers increasingly use bottled water and home water treatment systems to avoid direct tap water. According to the International Bottled Water Association (IBWA), an industry trade group, 5 billion gallons of bottled water were consumed by North Americans in 2001. The principal aim of this study was to assess the microbial quality of in-house and imported bottled water for human consumption,...
The study investigates the in vitro antibacterial potentials of stem bark extracts of Persea americana on strains of Bacillus cereus implicated in food poisoning. The crude stem bark extracts and butanolic fraction at a concentration of 25 mg/mL and 10 mg/mL, respectively, exhibited antibacterial activities against test isolates. The zones of inhibition exhibited by the crude extract and the fr...
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