نتایج جستجو برای: minimal inhibitory concentration
تعداد نتایج: 622135 فیلتر نتایج به سال:
زمینه و هدف: نیتریک اکساید(no=nitric oxide)، مولکولی کوچک و لیپوفیل با نقشهای متعدد و گسترده در سیستم های بیولوژیک بدن می باشد که فعالیت ضد توموری و ضد میکروبی از خود نشان می دهد. تحریک ماکروفاژها توسط میکروارگانیسم های گوناگون منجر به تولید مقدار زیادی no می شود که خاصیت سمی داشته و نهایتاً موجب مرگ میکروارگانیسم می شود. مکانیسم های وابسته به no نقش کلیدی در دفاع میزبان علیه عفونت های قارچی ایف...
dermatophyte fungi are the etiologic agents of skin infections commonly referred to as ringworm. these infections are not dangerous but as a chronic cutaneous infections they may be difficult to treat and can also cause physical discomfort for patients. they are considered important as a public health problem as well. no information is available regarding the efficacy of antifungal agents again...
this study was carried out to evaluate the antimicrobial and antioxidant effectiveness of methanolic extract and different fractions (n-butanol, ethyl acetate, chloroform and n-hexane) of c.intybus seeds. the antimicrobial activity was determined by the disc diffusion method and minimum inhibitory concentration (mic) against a panel of microorganisms (four bacterial strains, i.e. p. multocida, ...
objective: teucrium polium l. (family lamiaceae) is a wild-growing flowering plant, found abundantly in south-western asia, europe and north africa. traditionally, t. polium has been used for different pathological conditions such as gastrointestinal disorders, inflammations, diabetes and rheumatism. the purpose of this study was to evaluate the antimicrobial effect of ethanol extract of teucri...
زمینه و هدف: کاندیداها شامل گونه های متنوعی از مخمرها و مخمر مانندها هستند که برخی از آنها و از جمله کاندیدا آلبیکنس فلور طبیعی بدن انسان را تشکیل می دهند و به صورت فرصت طلب در انسان بیماری ایجاد می نمایند، ولی داروهایی که بر ضد آنها در بازار وجود دارد و به کار می رود از نظر تعداد محدود هستند، که این خود می تواند باعث ایجاد مقاومت در آنها گردد. هدف این بررسی ارزیابی اثرات ضدقارچی داروهای نیستات...
background and objectives: presence of methicillin and multidrug resistance has associated coagulase negative staphylococci (cns) with high morbidity and mortality worldwide. the present study was carried out to study the susceptibility pattern of cns to various antimicrobial agents and to determine the prevalence of cns methicillin resistance in our hospital setting. materials and methods: a t...
toxicity of which on biological wastewater processes, humans, and the environment has been proven in various studies. in this study, the half maximal effective concentration (ec 50 ) of growth inhibition of cadmium, lead, and mercury was assessed on dominant bacterial species present in sequencing batch reactors (sbr). methods: biomass sample was obtained from the biological unit of the sbr est...
conclusions regarding clinical and laboratory standards institute (clsi) definition for vancomycin susceptibility (mic < 2 μg/ml), it seems that vancomycin may not be considered as the best antibiotic in order to treat heteroresistant vancomycin intermediate s. aureus (hvisa) and vancomycin sensitive s. aureus (vssa) infections, and a new breakpoint for vancomycin and alternative antibiotics sh...
Although nowadays there are methods for determining the Minimal Bactericidal Concentration and Minimal Fungicidal Concentration, it is indispensable that the establishment of innovative methodologies could be more practical and cheaper. The new methodology Flash microbiocide is an assay in which one aliquot from 96 well plate of Minimal Inhibitory Concentration test is transferred to another pl...
A synthesis procedure for heteroatom-substituted tetra(3,4-pyrido)porphyrazines that absorb light near 800 nm was developed. Based on the observed relationships between the structure and photophysical parameters, a novel highly photodynamically active (IC50 = 0.26 μM) compound was synthesized and biologically characterized.
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