نتایج جستجو برای: minimal bactericidal concentration

تعداد نتایج: 533231  

Journal: :iranian journal of biotechnology 2013
mohammad esmaeel kafayati jamshid raheb mahmoud torabi angazi shahrokh alizadeh hassan bardania

background: magnetite (fe3o4) nanoparticles are currently one of the important and acceptable magnetic nanoparticles for biomedical applications. to use magnetite nanoparticles for bacteria cell separation, the surface of nanoparticles would be modified for immobilizing of nanoparticles on the surface of bacteria. functionalization of magnetite nanoparticles is performed by different surfactant...

Journal: :international journal of advanced biological and biomedical research 2014
khosro issazadeh shabnam razban mohammad reza majid khoshkholgh pahlaviani

recreational waters should be considered as risks for enterococcal infections in regions with high utilization and long exposure periods. the aim of this study was to investigate the resistance of enterococci to selected antibiotics and some heavy metals [pb+2, fe+2, zn+2 and cr+2]. a total of 75 enterococcal isolates was obtained from 54 bathing and fishing water samples from 9 bathing and fis...

Journal: :Antimicrobial agents and chemotherapy 1982
R Auckenthaler W R Wilson A J Wright J A Washington D T Durack J E Geraci

The minimal bactericidal concentrations of N-formimidoyl thienamycin (N-f-thienamycin) against 21 strains of enterococci isolated from patients with infective endocarditis were determined by macro- and microdilution methods. By a macrodilution technique with the minimal bactericidal concentration defined as greater than or equal to 99.9% killing of an initial inoculum, all 21 strains of enteroc...

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Background & Objectives: Dental caries is the most important disease caused by some bacteria specially Streptococcus Mutans from Viridans family. The aim of this study is to evaluate the inhibitory effect of Chlorella vulgaris extract on growth, proliferation, and biofilm formation of Streptococcus mutans. Materials & Methods: Microalgae Chlorella vulgaris was extracted via maceration using ch...

Background & Aims: Oral infections and dental caries are still considered as serious public health problems especially in developing countries. It is reported that Glycyrrhiza glabra (G.glabra) extract contains phytomedicine with antibacterial and antifungal properties capable of suppressing oral pathogens associated with plaque forming, caries or fungal diseases. The aim of this study was the ...

Journal: :Antimicrobial agents and chemotherapy 1974
P J Hyams M S Simberkoff J J Rahal

Clinical isolates of Providencia and Proteus with relative aminoglycoside resistance were tested for susceptibility to combinations of gentamicin or tobramycin with cephalothin or cefazolin. The minimal bactericidal concentration of aminoglycoside for one-third of the strains was reduced by fourfold or more in the presence of one-fourth of the minimal bactericidal concentration of either cephal...

رسولی, ایرج, رضایی, محمدباقر, زرپاک, بهنام, کامرانی, اصغر,

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...

Journal: :avicenna journal of phytomedicine 0
amit sharma department of medicinal chemistry, institute of medical sciences, banaras hindu university, varanasi 21005, up india mayank gangwar department of pharmacology, institute of medical sciences, banaras hindu university, varanasi- 221005 up india dharmendra kumar department of microbiology, institute of medical sciences, banaras hindu university, varanasi- 221005 up india gopal nath department of microbiology, institute of medical sciences, banaras hindu university, varanasi- 221005 up india akhoury sudhir sinha department of chemical engg, indian institute of technology, banaras hindu university, vanarasi-221005. up india yamini tripathi department of medicinal chemistry, institute of medical sciences, banaras hindu university, varanasi 21005, up india

objective: this study aims to evaluate the antimicrobial activity, phytochemical studies and thin layer chromatography analysis of machine oil, hexane extract of seed oil and methanol extract of presscake& latex of jatropha curcas linn (family euphorbiaceae). materials and methods: j. curcas extracts were subjected to preliminary qualitative phytochemical screening to detect the major phytochem...

   In this study, we report the green synthesis of silver nanoparticles (AgNPs) from extracts of native fruits from Amazonia, Brazil. AgNPs were characterized by UV/Vis and medium infrared (MIR) spectroscopy. Their antimicrobial activities were evaluated against the growth of bacteria and leavers, as well as the evaluation of minimum inhibitory concentration (MIC) and minimum bactericidal c...

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