نتایج جستجو برای: luminescent dosimeters

تعداد نتایج: 8751  

Journal: :Medical physics 2014
P Summers J Lowenstein O Jakel H Prokesch P Alvarez D Followill

PURPOSE To describe the commissioning of Aluminum Oxide Optically Stimulated Luminescent Dosimeters (OSLD) for the use in Carbon beam remote dosimetry for centers participating in NCI-funded cooperative group clinical trials. METHODS As Carbon therapy centers express interest in participating in cooperative group clinical trials, the Imaging and Radiation Oncology Core Group (IROC) Houston QA...

2017
Jong Min Park So-Yeon Park Chang Heon Choi Minsoo Chun Ji Hye Han Jin Dong Cho Jung-In Kim

PURPOSE To investigate the dosimetric characteristics of PRESAGEREU dosimeters. METHODS Commercially available PRESAGEREU dosimeters (size of 10 mm × 10 mm × 45 mm) were divided into two groups, with one of the groups placed at room temperature of 22°C (RT group) and another group placed at low temperature of 10°C (LT group). A total of 3 dosimeters (set of dosimeters) were irradiated at a ti...

2002
Z. Li J. F. Williamson

The recent popularity of permanent implants for treatment of prostate cancer has created a large demand for low energy seed sources. Vendors have introduced new source designs to meet this demand. The AAPM has recommended that all low energy interstitial brachytherapy seed sources be subjected to independent dosimetric evaluations, preferably using experimental measurements as well as Monte Car...

Journal: :Journal of Physics: Conference Series 2019

Journal: :Medical dosimetry : official journal of the American Association of Medical Dosimetrists 2012
Matthew T Studenski Ying Xiao Amy S Harrison

Recently in our clinic, we have seen an increased number of patients presenting with pacemakers and defibrillators. Precautions are taken to develop a treatment plan that minimizes the dose to the pacemaker because of the adverse effects of radiation on the electronics. Here we analyze different dosimeters to determine which is the most accurate in measuring pacemaker or defibrillator dose whil...

Journal: :Journal of radiation research 2006
Kenichi Tanaka Satoru Endo Alexander Ivannikov Shin Toyoda Eldana Tieliewuhan Kassym Zhumadilov Chuzo Miyazawa Shinji Suga Kazuhide Kitagawa Masaharu Hoshi

The influence of X-ray baggage scanning on electron spin resonance (ESR) dosimetry studies around the Semipalatinsk Nuclear Test Site (SNTS) has been examined at Incheon Airport in Korea, which is a transfer point of the routes from Kazakhstan to Japan. Utilized dosimeters are Japanese human tooth enamel for ESR and glass dosimeters. The difference between the estimated doses with the X-ray sca...

2011
M. Giglioli

Since the beginning of its use, radiation has already presented harm, justifying the necessity of controlled use. In order to monitor its effects and even avoid them, dosimetry has arisen. For the purpose of ensured all the necessary safety and monitor areas where there is radiation use, a lot of devices able to identify and quantify many types of radiation were developed. However, some these d...

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