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Title: Preliminary analysis of N-vinylpyrrolidone based polymer gel dosimeter
Authors: Dias, Juliana Rosada
Mangueira, Thyago Fressatti
Lopes, Roseany de Vasconcelos Vieira
Sales, Maria José Araújo
Ceschin, Artemis Marti
Assunto:: Dosimetria
Gel polimérico
Análise óptica
N-vinilpirrolidona
Radioterapia
Issue Date: 2018
Publisher: Associação Brasileira de Polímeros
Citation: DIAS, Juliana Rosada et al . Preliminary analysis of N-vinylpyrrolidone based polymer gel dosimeter. Polímeros, São Carlos, v. 28, n. 5, p. 433-439, dez. 2018. DOI: http://dx.doi.org/10.1590/0104-1428.01718. Disponível em: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000500433&lng=en&nrm=iso. Acesso em: 07 maio 2019. Epub Nov 29, 2018.
Abstract: This paper aims to evaluate the dosimetric characteristics of modified VIPARnd for radiotherapy dosimetry using optical investigations. The absorbance spectrum of the irradiated gel dosimeter was evaluated optically with spectrophotometer techniques and with a CMOS imaging system. The useful dose range for the peak value and the relative area under the absorbance curve is 3-20 Gy. The dose-response curve for CMOS readout has an interval of linearity from 3-20 Gy. The modified VIPARnd developed has a good dose range and good temporal stability in the spectrophotometric analysis of the intervals studied. The CMOS readout is transportable, cheaper, easier to use and an excellent alternative for dosimetry.
Licença:: Polímeros - (CC BY) - This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fonte: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018005006103&lng=en&nrm=iso. Acesso em: 07 maio 2019.
DOI: http://dx.doi.org/10.1590/0104-1428.01718
Appears in Collections:ENE - Artigos publicados em periódicos

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