نتایج جستجو برای: fricke gel dosimeter
تعداد نتایج: 107206 فیلتر نتایج به سال:
Fricke-gel layer dosimeters (FGLD) and Fricke gel dosimetric catheters (FGDC) have been designed and tested with the aim of enquiring their suitability for HDR Ir brachytherapy source control and for in-vivo dose verification during treatment. Anisotropy function measurements have been carried out with FGLDs in which a thin plastic tube has been placed in for the Ir source insertion. FGDCs are ...
Gafchromic films are increasingly being used for dosimetry in medical and industrial applications of ionizing radiation because of their favorable characteristics such as self developing in nature, easy to handle, dose rate independent response, insensitivity to normal room lights, high resolution and insensitivity to variation in the environment conditions. The dosimetry measurements using Gaf...
Modern radiotherapy techniques try to deliver the radiation dose by steep gradient. Protocols for these complex treatment delivery techniques are important and extremely sensitive to errors in treatment delivery. To minimize such errors, 3D dosimeters were developed as a relative method for improving dose monitoring and delivery. The aim of this study is to analyze the capability and drawbacks ...
There has been much research effort in the development of an accurate and reliable threedimensional dose verification system, prompted by the advances of technologies in radiation treatment of cancer patients. New radiotherapy techniques such as intensity modulated radiation therapy (IMRT), stereotactic radiosurgery (SRS) and high dose rate (HDR) brachytherapy are aimed at dose deliveries that ...
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