نتایج جستجو برای: iroot sp
تعداد نتایج: 120214 فیلتر نتایج به سال:
یکی از شاخه های پزشکی هسته ای تصویر برداری با استفاده از موادی که رادیوداروها نام دارند، می باشد. امروزه مراکز پزشکی هسته ای بسیاری وجود دارند که کار تصویر برداری با استفاده از رادیوداروها انجام می دهند. رادیوداروها ترکیباتی هستند که با استفاده از یک عنصر رادیواکتیو با نیمه عمر مشخص، نشان گذاری شده اند. در دستگاه های تصویر برداری که در آنها از آشکارسازهای پرتوهای رادیواکتیو استفاده شده است، از ...
the present report discusses disseminated fusariosis in a 15 year old boy with chronic granulomatous disease (cgd). he was admitted to the hazrat rasool acram hospital in november 1995, with a chronic wound in the right ankle and buttock area. antibacterial therapy was started, but there was no response. the patient was still febrile. chest x-ray revealed parahilar lesions in both lungs. tissue...
to enhance solubility and the performance of a plant gum (from south peach tree of china, sp gum) as a drilling fluid additive, we explored the potential of modified sp (msp) gum by modifying it with epichlorohydrin. the modification conditions, such as the mass ratio of the crosslinking agent, ph and temperature, were optimized and the results show that 56.40 g/100g mass ratio of the crosslin...
biodegradation of polycyclic aromatic hydrocarbons, toxic compounds widely distributed in the environment by bacteria, is a cheap and safe cleaning up method. the present study attempts to isolate and characterize dioxygenase-producing bacteria which are able to degrade phenanthrene and pyrene from refinery soils. it also aims to assess in vitro biodegradation. to do so, two contaminated soil s...
bioremoval and bioreduction activities of hydrocarbon (diesel) isolation from environmental samples were studied by the activity of biosurfactant production, and calculating emulsification index, gravimetric, and ftir analysis along with the estimation of bacterial biomass. sample from soil near petrol, diesel pumps and water sample from thesjaswini river near padannakad, kasaragod, kerala, ind...
vanillin is undoubtedly one of the most popular and widely used flavoring agents in the world. natural vanillin is extracted from vanilla beans and is relatively expensive. moreover, the consumer demand for natural vanillin highly exceeds the amount of vanillin extracted by plant sources. this had led to the investigation of alternative routes for its production such as microbial bioconversion....
background and objectives: bacillus species are attractive industrial organisms due to their rapid growth rates leading to a short fermentation cycle and for their capacity to secrete important enzymes and proteins such as xylanase into the extracellular medium. considering the industrial importance of xylanase, in this current study, bacillus spp. were isolated from different soils and were sc...
the determination of toxoplasma gondii prevalence in a variety of domestic birds is thought as a good indicator of distribution of t.gondii ooccyts in the environment. to verify the potential role of domestic birds in circulating toxoplasmosis in iran, the present study was conducted in mazandaran provinces, northern iran. latex agglutination test (la) antibodies were found in 25 of 58 free-ran...
شناسایی فون کنه های راسته نهان استیگمایان (acari: oribatida) منطقه ی شندآباد در استان آذربایجان شرقی
طی مطالعه ی فونستیکی که در سال 1387 به منظور جمع آوری و شناسایی کنه های راسته ی نهان استیگمایان منطقه شندآباد واقع در استان آذربایجان شرقی انجام گرفت حدود 4000 اسلاید میکروسکوپی از مجموع نمونه های جمع آوری شده تهیه و شناسایی گردید. در این بررسی در مجموع 67 گونه از 51 جنس متعلق به 29 خانواده و 18 بالاخانواده جمع آوری و شناسایی گردید که از این بین تعداد پنج گونه برای فون کنه های دنیا، پنج جنس، سه...
objective(s): the ongoing increasing antibiotic resistance is one of the biggest challenges faced by global public health. the perennial need for new antimicrobials against a background of increasing antibiotic resistance in pathogenic and opportunistic microorganisms obliges the scientific community to constantly develop new drugs and antimicrobial agents. lichens are known prolific sources ...
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