نتایج جستجو برای: combination of particles
تعداد نتایج: 21182551 فیلتر نتایج به سال:
fabrication and characterization of regenerated silk/bioglass composites for bone tissue engineering
objective: one of the major issues in bone tissue engineering is the design and fabrication of bioactive, bioresorbable porous 3d scaffolds capable of maintaining their structure and integrity over a predictable period of time. one such approach is the fabrication of composite scaffolds. methods: in this study we present fabrication and characterization of novel silk/bioglass-composite scaffold...
Objective(s): In the current work, poly D, L lactide-co-glycolide (PLGA) particles were applied for a viral vaccine for the delivery of antigens in cytosolic pathway by increasing the antigen presentation to T-lymphocytes. HPV-E7 protein with PLGA particles has been reported as a potent adjuvant for HPV vaccine by encapsulating protein into the PLGA particles. Polysaccharide from Pleurotus sajo...
Background: In order to evaluate bone induction and repair in cranial bone defects by the use of combination of Octacalcium Phosphate/Bone Matrix Gelatin (OCP/BMG), this study was conducted. Materials and Methods: We used 40 young male Sprague dawley rats (5-6 weeks age). A full thickness standardized trephine defect, 5mm in diameter, was made in the rat parietal bone and OCP combined with BMG ...
Background: Nystatin is a polyene with antifungal effect which is used in treatment of cutaneous and mucocutaneous candidiasis in diverse forms. Increasing its utilization in recent years has led to predominant increasing of resistances. Nowadays for increasing of antifungal effect and decreasing of resistance and side effects of drugs they are used in combination with each other. So w...
Why some strains of a species exhibit a certain phenotype (e.g. drug resistant) but not the other strains of the same species is a critical question to answer. Studying the metabolism of the two groups of strains may discover the corresponding pathways that are conserved in the first group but not in the second group. However, only a few tools provide functions to compare two groups of metaboli...
Introduction: The purpose of this study was formulation and preparation of a proper culture medium for Saccharomyces cerevisiae var. boulardii with molasses and animal serum. Methods: A fully-crossed factorial design contain 5%, 10% and 20% of molasses (M) with 0, 1% and 5% animal serum (S) was used in this study. The pH of all culture medias were adjusted to 5.6 with acetic acid. The seed was ...
soil colloid particles influence soil chemical and physical properties by their surface electrical charge. with respect to the importance of this issue from both agricultural and environmental points of view, charging behavior of a kaolinite sample was studied in the ph range of 4 to 10 and at three background electrolyte concentrations, including 0.005, 0.05, 0.5 m nacl, by potentiometric titr...
To clarify the role of tumor necrosis factor (TNF)-alpha on osteoblast functions in the presence of metal particles, two human osteoblast-like cell lines (MG-63 and SaOS-2) were cultured with TNF-alpha in the presence or absence of titanium particles in vitro. A combination of TNF-alpha and titanium particles showed additive effects on inhibition of cell proliferation and alkaline phosphatase p...
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