نتایج جستجو برای: dose delivery system
تعداد نتایج: 2653590 فیلتر نتایج به سال:
background: absolute dosimetry of external beam radiotherapy is carried out by the use of ionization chambers. these chambers must be calibrated at a standard dosimetry laboratory before any use in clinical dosimetry. the secondary standard dosimetry laboratory of iran (ssdl) has the duty of calibrating the ionization chambers used in radiotherapy centers in iran. materials and methods: the pre...
Abstract This study aimed to modify the biological response of cells to ionizing radiation by combination therapy using radio-sensitizer agent and anticancer drug. Super paramagnetic iron oxide nanoparticles (SPIONs) were prepared and used with gemcitabine (Gem). These two agents were encapsulated simultaneously into poly (D, L-lactic-co-glycolic acid) (PLGA) to form multifunc...
Background: The success of radiation therapy depends on accurate dose delivery to the target. Diode in vivo measurement of entrance and exit dose is a valuable quality assurance (QA) tool to ensure accurate dose delivery. Materials and Methods: This study was performed at BINO Cancer Hospital, Bahawalpur. Entrance and exit dose measurements were done with p-type diode for various types of canc...
Background & Aim: Thyroid hormones play critical roles in regulating body metabolism, reproduction, fertility, and the continuation of fertility and delivery. Therefore, this study was designed to investigate the effects of thyroid hormones on fertility rate, duration of pregnancy, childbirth success rate, number of neonates and weight of one-day old female mice. Methods: 30 adult female mice ...
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