نتایج جستجو برای: pathogenic viruses and bacteria
تعداد نتایج: 16867564 فیلتر نتایج به سال:
Background and Aims: The purpose of this study was to investigate the possibility of Listeria monocytogenes entering the VBNC state during the frozen storage and the expression of its pathogenic genes Materials and Methods: Bacteria in 106 Colony counts of in mid log phase were inoculated into three Culture medium including Normal Saline (NS), BHI Broth and Fish Broth (FB) and kept at -18ºCfor...
abstract background and objective: probiotics are living microorganisms that have beneficial effects on the health of digestive system. the aim of this study was to evaluate the antimicrobial ability of acidic and neutral supernatants (culture supernatant) of lactic acid bacteria against common bacterial pathogens. methods: four species of lactic acid bacteria (lactobacillus planta...
The structure, function, and role of viruses in ecology is reviewed. It is concluded that viruses are non-living entities, similar to seeds and spores whose functions include carrying genes from one plant or animal to another. Viruses are a part of a system that helps to produce the variety that is critical for life and, importantly, they carry resistance to disease from one organism to another...
Objective(s): Antibacterial materials are so significant in the textile industry, water disinfection, medicine, and food packaging. Unfortunately, organic compounds for sterilization show toxicity to the human body; therefore, the interest in inorganic disinfectants such as metal oxide nanoparticles (NPs) is increasing. Materials and Methods: Nickel and nickel hydroxide nanoparticles (NiNPs ...
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