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DC Field | Value | Language |
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dc.contributor.author | Coelho, T. S. | - |
dc.contributor.author | Fernandes, Marco Antônio Rodrigues | - |
dc.contributor.author | Yoriyaz, H. | - |
dc.contributor.author | Antonio, P. L. | - |
dc.date.accessioned | 2014-05-20T13:34:04Z | - |
dc.date.accessioned | 2016-10-25T16:51:55Z | - |
dc.date.available | 2014-05-20T13:34:04Z | - |
dc.date.available | 2016-10-25T16:51:55Z | - |
dc.date.issued | 2011-03-11 | - |
dc.identifier | http://dx.doi.org/10.1016/j.nima.2010.12.179 | - |
dc.identifier.citation | Nuclear Instruments & Methods In Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment. Amsterdam: Elsevier B.V., v. 632, n. 1, p. 147-151, 2011. | - |
dc.identifier.issn | 0168-9002 | - |
dc.identifier.uri | http://hdl.handle.net/11449/11661 | - |
dc.identifier.uri | http://acervodigital.unesp.br/handle/11449/11661 | - |
dc.description.abstract | A complete dosimetric characterization of two Amershan Sr-90-Y-90 dermatologic applicators is described in this present work. The dosimetric parameters analyzed are: percentage depth dose curve, radial dose distribution, non-uniformity and asymmetry. Both applicators are planar-circular having 22.57 and 9.0 mm diameters. In the range where the percentage depth dose goes from 100% down to 20%, the measured percentage depth dose and that obtained by the Monte Carlo simulation have shown maximum discrepancy of 5.3% for both applicators. The radial dose distribution has been measured at several depths using a GafChromic (R) EBT QD+ films and it was also calculated by simulation. The discrepancies found did not exceed 5.9% up to the depth of 1.8 mm, where the percentage depth dose drops to 40% of the maximum. The maximum non-uniformity and asymmetry are 1.7% and 5.3% for the first applicator and 22.7% and 25.9% for the second applicator, respectively. Both applicators meet the specification for the maximum non-uniformity established by the adopted protocol, whose limit is 30%. As for the asymmetry the limit is 20% and the second applicator exceeded it in about 5.9%. (C) 2010 Elsevier B.V. All rights reserved. | en |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | - |
dc.format.extent | 147-151 | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier B.V. | - |
dc.source | Web of Science | - |
dc.subject | Betatherapy | en |
dc.subject | Monte Carlo method | en |
dc.subject | Keloids | en |
dc.subject | Pterygium | en |
dc.subject | Dosimetry | en |
dc.title | A complete dosimetric characterization of two Sr-90-Y-90 dermatologic applicators | en |
dc.type | outro | - |
dc.contributor.institution | Instituto de Pesquisas Energéticas e Nucleares (IPEN) | - |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | - |
dc.description.affiliation | IPEN CNEN SP, São Paulo, Brazil | - |
dc.description.affiliation | Univ Estadual Paulista, Fac Med Botucatu, Dept Dermatol & Radioterapia, São Paulo, Brazil | - |
dc.description.affiliationUnesp | Univ Estadual Paulista, Fac Med Botucatu, Dept Dermatol & Radioterapia, São Paulo, Brazil | - |
dc.identifier.doi | 10.1016/j.nima.2010.12.179 | - |
dc.identifier.wos | WOS:000288049000022 | - |
dc.rights.accessRights | Acesso restrito | - |
dc.relation.ispartof | Nuclear Instruments & Methods In Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | - |
Appears in Collections: | Artigos, TCCs, Teses e Dissertações da Unesp |
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