نتایج جستجو برای: asymmetric behavior of sma
تعداد نتایج: 21215035 فیلتر نتایج به سال:
immunohistochemical study of inflammatory pseudotumors of the orbit at farabi hospital, tehran, iran
purpose: to verify the myofibroblastic origin of spindle cells by immunohistochemistry in idiopathic inflammatory pseudotumor (ipt) of the orbit. methods: we reviewed a series of 32 orbital ipts for expression smooth muscle actin (sma), vimentin, desmin and anaplastic lymphokinase (alk). results: the study was performed on histologic samples of 33 patients with a diagnosis of orbital ipt. the l...
superior mesenteric artery syndrome is a very uncommon disorder in which acute angulation of superior mesenteric artery (sma) at its origin from aorta results in compression of the third part of the duodenum leading to partial or complete obstruction of the duodenum. other terminologies for this condition are cast syndrome, wilkie syndrome, arteriomesenteric duodenal obstruction, and chronic du...
superior mesenteric artery (sma) aneurysm is a rare disease. in this case report, we present a 32 years old woman who was admitted to our hospital with chronic abdominal pain. sma aneurysm was diagnosed after radiological evaluation. the patient underwent ligation of the superior mesenteric artery aneurysm and remained well 12 months after the surgery.
abstract background: increase in nitric oxide (no) concentration accompanied by alteration in peritoneal immune defense reactions is involved in the pathogenesis of endometriosis. asymmetric dimethylarginine is an endogenous competitive inhibitor of no synthase. this study was designed to compare no metabolite (nitrite), asymmetric dimethylarginine, and estradiol concentrations in serum and per...
background and aims. the aim of this study was to assess the opening torque of grooved and non-grooved screws made of shape memory alloys (sma) for fixation of mandibular fractures. materials and methods. in this in vitro study the opening torques of ten sma screws with grooves and ten sma screws without grooves were compared in 20 holes (10 holes for grooved screws and 10 holes for non-grooved...
Spinal muscular atrophy (SMA) results from α-motor neuron loss in the spinal cord due to low levels of the survival of motor neuron (SMN) protein, required for proper spliceosome assembly. The reduced levels of SMN cause muscle atrophy and ultimately death in the most severe cases. Although mouse models of SMA recapitulate many features of the human disease, it is still unclear whether their ph...
This work describes the thermomechanical characterization and FEA modeling of commercial jet engine chevrons incorporating active Shape Memory Alloy (SMA) beam components. The reduction of community noise at airports generated during aircraft take-off has become a major research goal. Serrated aerodynamic devices along the trailing edge of a jet engine primary and secondary exhaust nozzle, know...
The unique self-prestressing behavior exhibited by Iron-based shape memory alloys (Fe-SMAs) coupled with the ease of application makes them suitable for numerous structural applications requiring post-installed reinforcement. However, practical realization Fe-SMA rebars as reinforcement systems entails an understanding their bond concrete to ensure use adequate anchorage length prestress transf...
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