عطایی, غلامرضا
دانشگاه علوم پزشکی بابل دانشکده پیراپزشکی
[ 1 ] - ارزیابی ویژگی‌های کیفیت دسته پرتو X دستگاه رادیوتراپی سطحی با روش تجربی و شبیه سازی
One of the most common methods used in radiation therapy for the treatment of superficial skin lesions using the ortho-voltage radiation X (the kVp 300), respectively. One of the most important indicators for the treatment of this type of device, the quality of the X-ray output is usually half the thickness of the absorption (HVL) Vanrzhy show photons effective. However, in this study, the coef...
[ 2 ] - Knowledge and practices concerning the effects of ionizing radiation and x-ray protection methods in dental offices in Babol, 2013
Introduction: As the absorption of radiation in environment is increasing, the present study was performed to evaluate the knowledge and practices of Babol’s dentists about x-ray protection . Materials &Methods: This cross-sectional study was designed to assess the knowledge and practices of dentists. The questionnaires were distributed among 70 dentists in Babol city. Analysis of the ...
[ 3 ] - Dose enhancement effect of gold nanoparticles on MAGICA polymer gel in mega voltage radiation therapy
Background: Radiation-sensitive polymer gels are among the most promising three-dimensional dose verification tools and tissue-like developed to date. Among the special features of this type of dosimeters, is be doped with other elements or chemicals which made them appropriate for investigating of dose enhancement with contrast agents, by high atomic number. Material and Methods: In this study...
[ 4 ] - الگوهای برتر اخلاق در آموزش علوم پزشکی ایران: قبل و بعد از ظهور اسلام
مقدمه: امروزه با توجه به ارتباط بین علم طب و سلامت جسم و جان آموزش اخلاق حرفه ای در میان دانشجویان پزشکی و اساتید این رشته، اهمیت خاصی یافته است. لذا در این مقاله به معرفی الگوهای برتر اخلاق در حیطه آموزش علوم پزشکی در ایران پرداختیم. روش کار: به صورت مطالعه کتابخانه ای با الهام از کلام الله مجید و برخی از کتب حکمای طبی ایران اسلامی و نیز از موتور جستجوگر گوگل جهت جست و جوی مقالات مرتبط استفاده...
[ 5 ] - تاثیر آموزش مبتنی بر وب نمرات نهایی درس فیزیک برای دانشجویان رشته رادیولوژی
مقدمه: امروزه استفاده از اینترنت بهعنوان ابزار آموزش و یادگیری به سرعت در عرصه آموزش گسترش پیداکرده است. در این راستا پژوهش حاضر با هدف سنجش تأثیر آموزش مجازی بر نمرات نهایی دانشجویان صورت گرفته است. روش کار : در این مطالعه نیمه تجربی که بر روی دانشجویان رشته رادیولوژی دانشگاه علوم پزشکی بابل در نیمسال اول 90-91 به انجام رسید، به موازات برگزاری کلاسهای حضوری و تدریس سنتی، محیط آموزشی مبت...
[ 6 ] - Developing a mobile application for usual calculations of radiotherapy physics
Introduction: Successful radiotherapy requires the precise application of a radiation dose to cancerous tissue, which can be achieved by the design of proper treatment methods by radiotherapy physicists. Tasks performed by radiotherapy physicists include verifying the accuracy of dose calculations, correct treatment planning and the proper functioning of accelerators. They are...
[ 7 ] - Radioprotective Effect of Arbutin in Megavoltage Therapeutic X-irradiated Mice using Liver Enzymes Assessment
Background: Medical use of ionizing radiation has direct/indirect undesirable effects on normal tissues. In this study, the radioprotective effect of arbutin in megavoltage therapeutic x-irradiated mice was investigated using serum alkaline phosphatase (ALP), alanine aminotransferase (ALT), and asparate amniotransferase (AST) activity measurements. Material and Methods: In this analytical...
[ 8 ] - Estimating the Absorbed Dose of Organs in Pediatric Imaging of 99mTc-DTPA Radiopharmaceutical using MIRDOSE Software
Introduction: In this study, organ radiation doses were calculated for the renal agent 99mTc-DTPA in children. Bio-kinetic energy of 99mTc-DTPA was evaluated by scintigraphy and estimates for absorbed radiation dose were provided using standard medical internal radiation dosimetry (MIRD) techniques.Material and Methods: In this applied research, fourteen children patients (6 males and 8 females...
[ 9 ] - Studying Effects of Gold Nanoparticle on Dose Enhancement in Megavoltage Radiation
Background: Gold nanoparticles are emerging as promising agents for cancer therapy and are being investigated as drug carriers, photothermal agents, contrast agents and radiosensitisers.Objective: The aim of this study is to understand characteristics of secondary electrons generated from interaction of gold nanoparticles GNPs with x-rays as a function of nanoparticle size and beam energy and ...
[ 10 ] - Developing a Mobile Phone Application for Common Radiotherapy Calculations
Accuracy of the radiotherapy requires some routine quality control and dosimetry calculations, which would be done by radiotherapy physicists. Due to the increasing use of computers and simulation software in medical science, as well as trends indicating its continued growth, this study aims to develop a new smart-phone application to perform common radiotherapy-related calculations. Computatio...