Revista: | Brazilian journal of physics |
Base de datos: | PERIÓDICA |
Número de sistema: | 000329375 |
ISSN: | 0103-9733 |
Autores: | Oliveira, Lucas N. de1 Calcina, Carmen Sandra Guzman2 Cavalcante, Fernanda2 Almeida, Adelaide de2 Almeida, Carlos Eduardo de3 |
Instituciones: | 1Universidade de Sao Paulo, Faculdade de Filosofia, Ciencias e Letras de Ribeirao Preto, Ribeirao Preto, Sao Paulo. Brasil 2Universidade de Sao Paulo, Departamento de Fisica e Matematica, Ribeirao Preto, Sao Paulo. Brasil 3Universidade do Estado do Rio de Janeiro, Laboratorio de Ciencias Radiologicas, Rio de Janeiro. Brasil |
Año: | 2009 |
Periodo: | Dic |
Volumen: | 39 |
Número: | 4 |
Paginación: | 615-618 |
País: | Brasil |
Idioma: | Inglés |
Tipo de documento: | Artículo |
Enfoque: | Caso clínico |
Resumen en inglés | Wedged beam are often used in clinical radiotherapy to compensate missing tissues and dose gradients. In this work, the Fricke Xylenol Gel (FXG) dosimeter was used for 6 MV photons radiation wedge field profiles measurements, allowing to infer the wedge filter physical attenuation coefficient. This dosimeter is a chemical system of a Fe3+-Xylenol complex concentration, that when measured spectrophotometrically, the absorbance is directly proportional to the absorbed dose. From theses results one can infer that the FXG can be used also as an alternative dosimetric system for measurements of wedge filters |
Disciplinas: | Física y astronomía, Medicina |
Palabras clave: | Electromagnetismo, Física nuclear, Terapéutica y rehabilitación, Geles, Filtros, Perfiles, Fotones |
Keyword: | Physics and astronomy, Medicine, Electromagnetism, Nuclear physics, Physics, Therapeutics and rehabilitation, Physical filter, Profiles, Photons |
Texto completo: | Texto completo (Ver HTML) |