Multifactorial study and kinetics of signal development in ferrous–methylthymol blue–gelatin gel dosimeters

KI Penev, K Mequanint - Medical Physics, 2017 - Wiley Online Library
Purpose To develop and characterize a ferrous–methylthymol blue–gelatin gel dosimeter
with low optical background and appropriate additives for reduced rate of auto‐oxidation …

Fricke gel diffusion coefficient measurements for applications in radiotherapy level dosimetry

LN de Oliveira, A de Almeida, LVE Caldas - Radiation Physics and …, 2014 - Elsevier
In gel dosimetry applied to radiotherapy, the space–time corrections are necessary due to
the diffusion of ions in the oxidized solution dosimetry. Consequently, methodologies are …

Measurements of radiotherapy dosimetric parameters using Fricke gel dosimeter

MH Abdelgawad, YS Soliman, MI ElGohry… - Biomedical Physics …, 2017 - iopscience.iop.org
Radiation therapy is an important modality for cancer treatment. Treatment machines are
divided into two types:(1) Radioactive sources (eg cobalt-60 machine) which deliver gamma …

Measuring output factors and beam profiles formed by multileaf collimators using Fricke gel dosimeter

LN de Oliveira, A de Almeida, LVE Caldas - Physica Medica, 2014 - Elsevier
The accuracy and precision are necessary factors in radiotherapy, especially for
measurements involving output factors and beam profiles; in this case multileaf collimators …

Lithium diborate glass for high-dose dosimetry using the UV-Vis and FTIR spectrophotometry techniques

LN de Oliveira, F Schimidt, PL Antonio… - Radiation …, 2017 - Elsevier
Glass has been used in radiation dosimetry mainly for its linear response with absorbed
dose, low cost and easy evaluation. The lithium diborate glasses were irradiated with doses …

Characterization of ferrous-agarose-xylenol gel dosimeter at 60Co γ-rays beam therapy unit

O Moussous - Radiological Physics and Technology, 2021 - Springer
Fricke gel dosimetry is a valuable technique used for recording 3D dose distribution in
radiotherapy. Herein, we present the dosimetric characteristics of a synthesized ferrous …

Dosimetric characteristics of mercury and cerrobend blocks in megavoltage radiation therapy

MJ Tahmasebi-Birgani, F Seif, MR Bayatiani - Journal of Radioanalytical …, 2015 - Springer
In this study some dosimetric parameters of mercury was investigated and compared with
cerrobend as a common beam attenuator material. Experimental dosimetry for different …

Viabilidade De Novas Formulações Do Dosímetro Químico Fricke Gel

LN de Oliveira, EF da Silva - HOLOS, 2016 - ifrn.edu.br
Recentemente, os géis dosimétricos vêm sendo estudados para se tornarem mais
sensíveis, a partir, das modificações em suas concentrações de seus reagentes. No …

Radiotherapy Measurements Using Fricke Gel Dosimeter

MI El Gohary, YS Shabban, AE Ahmed… - Egypt. J. Biomed. Eng …, 2016 - journals.ekb.eg
THE RADIOTHERAPY is mainly used in cancer treatment. The treatment machines are
divided into two types, one is depending on natural sources (eg cobalt 60 machine) which …

[PDF][PDF] AVALIAÇÃO DO DOSÍMETRO FRICKE XILENOL GEL EM PLANEJAMENTO DE RADIOCIRURGIA ESTEREOTÁXICA

MEMTDEP SUSTENTÁVEIS, IFGC GOIÂNIA - ifg.edu.br
Radiocirurgia estereotáxica cerebral é uma técnica teleterápica utilizada em tratamento de
pequenas lesões tumorais no cérebro, na qual é aplicada uma única alta dose de radiação …