نتایج جستجو برای: radiofrequency hyperthermia
تعداد نتایج: 27475 فیلتر نتایج به سال:
background: magnetic nanoparticles in a variable magnetic field are able to produce heat. this heat (42-45°c) has more selective effect on fast dividing cancer cells than normal tissues. methods: in this work magnetite nanoparticles have been prepared via co-precipitation and phase identification was performed by powder x-ray diffraction (xrd). magnetic parameters of the prepared nanoparticles ...
introduction: the success of hyperthermia depends on the accuracy of the temperature monitoring in the tumor and the surrounding normal tissue. in this study, the temperature changes were determined by computing the speckle displacement in the ultrasound digital images. speckle tracking algorithm was used to compute the displacement. materials and methods: the experiment was perf...
objective: in radiation treatment, the irradiation which is effective enough to control the tumors far exceeds normal-tissues tolerance. thus to avoid such unfavourable outcomes, some methods sensitizing the tumor cells to radiation are used. iododeoxyuridine (iudr) is a halogenated thymidine analogue that known to be effective as a radiosensitizer in human cancer therapy. improving the potenti...
The production of non-toxic and homogeneous colloidal solutions nanoparticles (NPs) for biomedical applications is extreme importance nowadays. Among the various methods generation NPs, pulsed laser ablation in liquids (PLAL) has proven itself as a powerful efficient tool fields, allowing chemically pure silicon to be obtained. For example, laser-synthesized (Si NPs) are widely used contrast ag...
Objective: Febrile seizures are the most common seizure disorder in childhood, and occur in 2-5% of children. While simple febrile seizures are frequently described as inoffensive disorder there are evidence suggesting the association between simple febrile seizures and hippocampal abnormalities in adulthood. This study was designed to evaluate the protein levels of Bcl-2 and Bax in the rat neo...
Due to importance of combination therapies in cancer treatment, this study was performed to find the effects of hyperthermia and neutron irradiation and heir combination on the human lymphocytes. Blood samples were treated separately with 41.5 °C for 30 and 60 minutes, 43 °C for 15 and 30 minutes, as well as 10 cGy neutron irradiation. They also treated with hyperthermia followed by irradiation...
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