نتایج جستجو برای: peripheral dose
تعداد نتایج: 482064 فیلتر نتایج به سال:
Introduction: Irradiation of loaded tumor with high-Z nanoparticles with low energy photon of 192Ir source during brachytherapy increases absorbed dose of tumor due to increase in possibility of photoelectric phenomena. Therefore, this study aimed to investigate dose enhancement due to nanoparticles (NPs) with different atomic numbers and concentrations as well as effect of NPs distribution (un...
background: symmetrical peripheral gangrene is usually associated with underlying medical problems and it is seldom seen in pregnancy. sepsis though common in a setting of delivery by unskilled midwife is rarely accompanied by symmetrical gangrene. case presentation: we report a case of symmetrical peripheral gangrene which occurred in the winter, triggered possibly by sepsis and a single dose ...
Mucosal and systemic administrations of high dose antigens induce long-lasting peripheral T cell tolerance. We and others have shown that high dose peripheral T cell tolerance is mediated by anergy or deletion and is preceded by T cell activation. Co-stimulatory molecules B7-1 (CD80)/B7-2 (CD86) and their counter-receptors CD28/CTLA-4 play pivotal roles in T cell activation and immune regulatio...
background: premature chromosome condensation (pcc) is a method for interphase chromosome analysis in biodosimetry. this study was performed to verify the usefulness of pcc induced by calyculin a in human peripheral blood lymphocytes (pbl) for biological dosimetry and possible construction of dose-response curve. materials and methods: peripheral blood was obtained from a healthy donor and expo...
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