نتایج جستجو برای: the bio
تعداد نتایج: 16066151 فیلتر نتایج به سال:
introduction : deproteinized bovine bone mineral (bio-oss) is a xenogenic bone substitute, widely used in maxillofacial bone regeneration. the aim of this in vitro study was to investigate its influence on the growth behavior of human osteosarcoma cell line, saos-2 culture, and compare it with the physiologic dose of dexamethasone, an inductive factor for osteoblasts. materials and methods: hum...
Abstract Background: Several reports on clinical utility of various Bone Substitute Materials, (BSM) for grafting have shown successful results. The most important factor in successful grafting of BSM is the physiological and histological behavior of this material which can be evaluated by observing, rate of survival and proliferation of osteogenic cells. This research was conducted to exami...
A Pilot Study of Syngas Production from Bio-oil Thermal Cracking in a Bubbling Fluidized Bed Reactor
A fluidized bed reactor that is operating in the bubbling regime has been developed for the conversion of bio-oils to syngas.The reactor consists of a 7.6 cm I.D. (or internal diameter) bed, with an expanded freeboard. The volume of the reactor can be adjusted to vary the gas residence time. This reactor has been used to carry out either thermal or catalytic cracking for reforming bio-oils.A ga...
Development and evaluation of bio-nanoparticles as novel drug carriers for the delivery of Donepezil
The purpose of the present study was to formulate and evaluate donepezil loaded bio-nanoparticles for effective treatment of Alzheimer’s disease. For the preparation of bio-nanoparticles biomaterial was isolated from fruits of Carica papaya by an economic method. The biomaterial recovered from the concentrate was subjected for various physicochemical properties like color, solubility, ...
The current study is aimed to utilize the microwave for isolation of colorant from neem bark and its application onto chemical & bio-mordanted cotton fabric. For the purpose, aqueous, acid and organic media have been employed to isolate the colorant and to make its application onto surface modified and bio-mordanted cotton fabric followed by microwave treatment up to 6min....
DOR: 98.1000/2383-1251.1398.6.77.11.1. 1575.1605 Extended Abstract Introduction: Iran is located in the arid and semi-arid regions of the world with an average rainfall of 240 mm per year, which requires rethinking of the adoption of methods. One of the alternative ways is to use organic and biological fertilizers. Biological fertilizers are considered as the main and the most important f...
Bio-based surfactants have attracted increasing attention due to their renewable resources and excellent surface properties. In this study, a novel bio-based sulfonic zwitterionic surfactant (BSZS) derived from transgenic soybean oil was prepared using a simple reaction route with two steps of the amidation and quaterisation. The bio-based sulfonic zwitterionic surfactant showed a critical mice...
سابقه و هدف: به منظور درمان ضایعات عمودی استخوان آلوئول از روشهای بازسازی کننده متعددی نظیر انواع غشاها و مواد پیوندی استخوان استفاده شده و نتایج متفاوتی در مطالعات مختلف بدست آمده است. هدف از این مطالعه، مقایسه دو نوع غشا (کلاژن و بافت همبند کام) به همراه bio- oss در درمان ضایعات عمودی بین دندانی استخوان آلوئول بود.مواد و روشها: مطالعه به روش کارآزمایی بالینی و بصورت کنترل شده تصادفی یک سو کور...
the purpose of this study was to evaluate the efficacy of two types of bone substitutes, bio-oss and nuoss, for repair of bone defects.this study was performed on the calvaria of 14 new zealand rabbits. the 6mm critical size defect (csd) models of bone regeneration were used. three csds were created in each surgical site. the first defect was filled with nuoss, the second one with bio-oss and t...
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