نتایج جستجو برای: in migration
تعداد نتایج: 17003954 فیلتر نتایج به سال:
Double base propellant consists of two main components, nitrocellulose and nitroglycerin and nitroglycerin migration from inter to surface of propellant, is the main problem of this type of propellants. In the effect of this undesirable phenomenon, due to the heterogeneity of nitroglycerin in the propellant matrix during Storage, in addition to decrease of safety, the ballistic properties will ...
Ventriculoperitoneal (VP) shunt is one of the most common pediatric neurosurgical procedures. It has various complications that may have serious consequences such as shunt dysfunction, and unusual migration. Although, migration of shunt catheter to bladder, heart, umbilicus, rectum, pulmonary artery, and stomach has been reported, migration to vagina is a rare one.In this report we present a 16...
Investigation the effect of copper nanoparticles on the toxicity and migration of keratinocyte cells
Background: Re-epithelialization has an important role in skin wound healing. Delays in re-epithelialization are more likely to create the chronic wound. Impaired wound healing leads to a large burden of morbidity and mortality. Current treatments based on the use of autografts, allografts and xenografts, suffer from limitations such as, quantity of donor skin available, donor-site infection, p...
Circulating lymphocytes from 30 patients with sarcoidosis when stimulated in vitro with Kveim-induced macrophage migration factor, the Kmif test, produced a guinea-pig macrophage migration inhibition factor in 21 of 30 cases (70%). In those patients not on steroids the results showed a good correlation with the cutaneous Kveim test. One positive test was found in 16 normal subjects. Our results...
Projection neurons and interneurons populate the cerebral cortex in a layer-specific manner. Here, we studied the role of Cyclin-dependent kinase 5 (Cdk5) and its activator p35 in cortical interneuron migration and disposition in the cortex. We found that mice lacking p35 (p35(-/-)) show accumulation of interneurons in the upper part of the cortex. We also observed an inverted distribution of b...
migration and aging of the rural population of iran: the challenge for rural sustainable development
the present paper that was based on the documentation method and secondary analysis of data from censuses population and housing statistics center of iran, intended to thoroughly analyze the effects of these factors in rural migration on rural aging population in addition, the increase in aging of iranian employees in agriculture sector and its consequences were examined. results have shown tha...
Convergence hypothesis includes two types of beta and sigma. In this study, we examine convergence hypothesis among Iran’s provinces and discuss the effect of internal net migration in that context since 2000 to 2007. The results indicate that poor provinces grow faster than rich ones and there is beta convergence in Iran. About sigma convergence, we found that the dispersion of GDP per capita ...
Objective(s):Breast cancer is an important leading cause of death from cancer. Stathmin and tau proteins are regulators of cell motility, and their overexpression is associated with the progression and bad prognosis of breast cancer. Memantine, an N-methyl-D-aspartate (NMDA) receptor antagonist, is the potential inhibitor of tau protein in neurons. This study determines the effect of memantine ...
mast cells play an important role in a variety of inflammatory diseases, particularly asthma and atopy. peroxisome proliferator-activated receptor gamma (pparγ) is a member of the large nuclear hormone receptor transcription factor superfamily, and has been recently implicated in the anti-inflammatory response. to investigate a possible role for pparγ in human mast cells, we studied the ...
Traumatic brain injury (TBI) is one of the main causes of mortality and morbidity worldwide. Despite extensive investigations over the past few decades, no effective therapies exist to improve the brain function in patients with TBI. Neural tissue engineering is an attractive therapeutic approach to restore the brain structure and function of damaged tissue. Bioactive motif of Stromal cell-deri...
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