Zobrazeno 1 - 10
of 243
pro vyhledávání: '"Linda V.E. Caldas"'
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 2A (2022)
Dosimetric evaluation is indicated for material characterization seeking to identify possible applications; still, proper preprocessing techniques are critical features of this process. This work aimed to determine the linearity response of plastic s
Externí odkaz:
https://doaj.org/article/f3f31d1504a54f3b98560dba41d44ce9
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 2A (2022)
Ethylene-vinyl acetate (EVA) is the flexible plastic material commonly used in industries. The EVA samples, in green, white and black colors were irradiated with absorbed doses of 0.01 kGy up to 10.0 kGy using a 60Co Gamma Cell-220 system, and the Fo
Externí odkaz:
https://doaj.org/article/00d983c73c2c47eca3d4153e1038fba0
Evaluation of glasses containing cadmium for high dose dosimetry by the thermoluminescence technique
Autor:
Gabriel S.M. Carvalho, Pâmela Z. Ferreira, Noelio O. Dantas, Anielle C.A. Silva, Ana P. Perini, LInda V.E. Caldas, Betzabel N.S. Carrera, Shigueo Watanabe, Lucio P. Neves
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 5, Iss 3-A (2017)
New glass matrices were evaluated for high dose dosimetry by the thermoluminescence technique. Their nominal composition are 20Li2CO3.10Al2O3.15CdO.55B2O3 and 20Li2CO3.10Al2O3.20CdO.50B2O3 (mol%). The glass matrices were irradiated with different dos
Externí odkaz:
https://doaj.org/article/591c80b2935b4aa5811d494c2065d9e2
Autor:
Pâmela Zatti Ferreira, Gabriel S. M. Carvalho, Noélio O. Dantas, Anielle C.A. Silva, Lucio Pereira Neves, Linda V.E. Caldas, Betzabel N.S. Carrera, Shuigueo Watanabe, Ana Paula Perini
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 5, Iss 3-A (2017)
The thermoluminescence technique is widely used for both personal and high-dose dosimetry. In this work, the thermoluminescence technique was utilized to study a new glass matrix, with nominal composition of 20Li2CO3.10Al2O3.30BaO.40B2O3 (mol%), irra
Externí odkaz:
https://doaj.org/article/286a79ff13844af2bcb2bbde25c40279
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 3, Iss 1A (2015)
A plane-parallel ionization chamber, with a sensitive volume of 6.3 cm3, developed at the Calibration Laboratory of IPEN (LCI), was utilized to verify the possibility of its application in low-energy X-ray beam qualities for radiotherapy (T-qualities
Externí odkaz:
https://doaj.org/article/f29e2f7d201b4b798aed20acf13c60c0
Autor:
William Souza Santos, Lucio Pereira Neves, Ana Paula Perini, Walmir Belinato, Linda V.E. Caldas, Ana Figueiredo Maia
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 3, Iss 1A (2015)
Procedimentos cardíacos estão entre os mais comuns em radiologia intervencionista (RI), e podem levar a altas exposições médicas e ocupacionais, pois na maioria dos casos, são procedimentos complexos e de longa duração. Neste trabalho, foram
Externí odkaz:
https://doaj.org/article/ab0bf941ecad40fa9510aad3a9792105
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 3, Iss 1A (2015)
Ionization chambers are the most employed dosimeters for precise measurements, as those required in radiotherapy. In this work, a new graphite ionization chamber was developed and characterized in order to compose a primary standard system for the be
Externí odkaz:
https://doaj.org/article/830f2901003a470ca225cc21c1b9e9c3
Publikováno v:
Photochemical & Photobiological Sciences. 20:1381-1395
Photodynamic therapy has been recently studied, bringing innovations regarding the reduction of exposure time to light by the patient. This work aimed to investigate the feasibility of using Coutarea hexandra (Jacq.) K. Schum (CHS) as a detector in p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07274f0d7b80dc007be3f375466efa7a
https://doi.org/10.1007/s43630-021-00088-w
https://doi.org/10.1007/s43630-021-00088-w
Assessment of scattered radiation from hand-held dental x-ray equipment using the Monte Carlo method
Autor:
Jacqueline Machado Gurjão Rios, Linda V.E. Caldas, José Luís Javier Vega Ramirez, Antonio Carlos dos Santos Souza, Maria Rosangela Soares, Wilson Otto Batista, Isabelle Matos Pinheiro
Publikováno v:
Journal of Radiological Protection. 41:654-668
The objective of the present study was to evaluate the intensity and spatial distribution of the scattered radiation caused by the use of hand-held x-ray equipment in the zone occupied by the operator, using the Monte Carlo simulation for radiographi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::611ffa85a0673fb0c62f0f6f78642165
https://doi.org/10.1088/1361-6498/abf3cd
https://doi.org/10.1088/1361-6498/abf3cd
Autor:
Anderson M.B. Silva, Daniel S. Rodrigues, Patrícia L. Antonio, Danilo O. Junot, Linda V.E. Caldas, Divanizia N. Souza
Publikováno v:
Applied Radiation and Isotopes. :110874
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a32119dc54977c0f1c3a50d746f85373
https://doi.org/10.1016/j.apradiso.2023.110874
https://doi.org/10.1016/j.apradiso.2023.110874