نتایج جستجو برای: biological dosimetry
تعداد نتایج: 471016 فیلتر نتایج به سال:
Abstract Introduction: This is the second of two papers giving an overview use Monte-Carlo techniques for radiotherapy applications. Methods: The first paper gave introduction and introduced some codes that are available to user wishing model different aspects treatment. It also aims serve as a useful companion curated collection on have been published in this journal. Results Conclusions: focu...
Medical dosimetry education occupies a specialized branch of allied health higher education. Noted international shortages of health care workers, reduced university funding, limitations on faculty staffing, trends in learner attrition, and increased enrollment of nontraditional students force medical dosimetry educational leadership to reevaluate current admission practices. Program officials ...
INTRODUCTION Technologies with millimeter-waves (MMWs) have been popularized in our daily life. It warrants to investigate biological effect to concern MMW exposure. In the recent research, ocular injuries caused by MMW exposure were discussed[1]. In that in-vivo study, rabbit eyes were exposed to MMW at 60GHz to observe clinical courses of ocular damages. It is not clear the causal connection ...
Premature Chromosome Condensation (PCC) appears to have a possible utility for biological dosimetry purposes. The PCC technique may be adapted for cases of suspicion of overexposure where sampling is performed at least one day after an accident. For this purpose, human blood samples were exposed in vitro to 60Co up to 10 Gy and the PCC technique was performed immediately after irradiation. Anal...
The purpose of this study was to ensure accuracy in radiation dose delivery, external dosimetry quality audit has an equal importance with routine dosimetry performed at clinics. To do so, dosimetry quality audit was organized by the Secondary Standard Dosimetry Laboratory (SSDL) of Pakistan Institute of Nuclear Science and Technology (PINSTECH) at the national level to investigate and minimize...
background: thermoluminescence dosimetry is one of the dosimetry procedures used widely as routine and personal dosimeters. in order to extend this kind of dosimeters, dental tissue has been examined and was found promising as a tld dosimeter. materials and methods : in this study, 70 health teeth were collected. the only criterion, which was considered for selection of the teeth, was the healt...
PURPOSE To present the results and discuss potential insights gained through surveys on reference dosimetry practices. METHODS Two surveys were sent to medical physicists to learn about the current state of reference dosimetry practices at radiation oncology clinics worldwide. A short survey designed to maximize response rate was made publicly available and distributed via the AAPM website an...
Some of the more relevant recent achievements and developments in the field of external radiation dosimetry are reviewed in this presentation. Among them, topics related to personal dosimetry, as the relative role of active and passive methods and the features of some recently proposed new methods. Electronic personal dosemeters and Optically Stimulated Luminescence, OSL, have already accredite...
Lithium formate has shown to be a material with properties suitable for electron paramagnetic resonance (EPR) dosimetry, among them up to 7 times higher sensitivity compared to alanine, which is a well-established EPR detector material for dose determinations in radiotherapy. The aim of this thesis was to further investigate the properties of lithium formate and develop the dosimetry system tow...
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