نتایج جستجو برای: conjugate fracture
تعداد نتایج: 136558 فیلتر نتایج به سال:
OBJECTIVES Previous studies have reported that osteoporosis due to estrogen deficiency influences fracture healing. Transforming growth factor (TGF-b) has been found to be involved in fracture healing via the regulation of the differentiation and activation of osteoblasts and osteoclasts. The current study aimed to determine the effects of estrogen on the expression of TGF-β1 during fracture he...
A dipeptide conjugate of jasmonic acid, [N-( )-jasmonoyl]-Lalanyl -L-leucine, was prepared and its biological activities were investigated. The conjugate was active in the emission of linalool from rice leaves, while [N-( )-jasmonoyl]-D-alanyl-L-leucine was not. Neither conjugate was active in the production of sakuranetin. This is the first report of a biologically active dipeptide conjugate o...
The fracture mechanics examines the development and expansion of cracks in solids and how they affect the deformation of materials. The stress intensity factors at the tip of the crack and the critical stress intensity factors or fracture toughness of materials are considered in the relevant criteria. There are three main modes of applying forces to a crack including the tensile mode, shear mod...
Several reports have shown the therapeutic effect of statins on bone formation and neovascularization. However, the effect of the systemic administration of statins is limited due to its metabolism in the liver and clearance in the digestive system. In addition, high-dose administration may cause adverse side effects. To avoid low-efficacy/frequent side effects of high-dose statin treatment, we...
conclusions higher age of cyclists and increasing speed of the accident opponent significantly increase the likelihood of sustaining facial fractures. the use of bicycle helmets does not significantly reduce the incidence of mid-facial fractures, while being correlated with an even increased incidence of mandibular fractures. background the effectiveness of bicycle safety helmets in preventing ...
introduction there is very limited literature describing the association of lateral condyle mass (lcm) fracture of the distal humerus associated concurrently with olecranon fracture. herein, a case is reported of a displaced lcm fracture with displaced olecranon fracture, due to complex trauma while getting out of a vehicle, which was managed by open reduction and internal fixation. conclusions...
New accelerated nonlinear conjugate gradient algorithms which are mainly modifications of the Dai and Yuan’s for unconstrained optimization are proposed. Using the exact line search, the algorithm reduces to the Dai and Yuan conjugate gradient computational scheme. For inexact line search the algorithm satisfies the sufficient descent condition. Since the step lengths in conjugate gradient algo...
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