Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite
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Data de Publicação: | 2021 |
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Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Research, Society and Development |
Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/20528 |
Resumo: | In this investigation, the influence of gamma radiation in a therapeutic dose, such as the dose generally administered (on average) in two cycles of radiotherapy treatment, was evaluated for the chemical characteristics of nanocomposite films formed by polycaprolactone (PCL) with oxide nanoparticles of ZnO (ZnO NPs). The PCL nanocomposite films with ZnO NPs (PCL/ZnO NCs) were obtained via solvent casting method, using chloroform as solvent, with ZnO NPs mass contents in relation to polymer masses equal to: 02%; 0.4%; 0.6%; 0.8% and 1.0%. After this step, the films obtained were exposed to gamma radiation in a dose of 140 Gy in the presence of air and at room temperature. The influence of gamma radiation in a therapeutic dose on the chemical characteristics of nanocomposite films obtained through the solvent casting method, was accessed through absorption spectroscopy in the infrared region. Our results indicate that the chemical structure of PCL is preserved after exposure to gamma radiation at 140 Gy. |
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Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocompositeEfectos de la radiación gamma en dosis terapéutica sobre las características químicas del nanocompuesto policaprolactona/ZnOEfeitos da radiação gama em dose terapêutica nas características químicas do nanocompósito policaprolactona/ZnORadiação gamaPolicaprolactonaNanopartículas de ZnO.Gamma radiationPolycaprolactoneZnO nanoparticles.Radiación gammaPolicaprolactonaNanopartículas de ZnO.In this investigation, the influence of gamma radiation in a therapeutic dose, such as the dose generally administered (on average) in two cycles of radiotherapy treatment, was evaluated for the chemical characteristics of nanocomposite films formed by polycaprolactone (PCL) with oxide nanoparticles of ZnO (ZnO NPs). The PCL nanocomposite films with ZnO NPs (PCL/ZnO NCs) were obtained via solvent casting method, using chloroform as solvent, with ZnO NPs mass contents in relation to polymer masses equal to: 02%; 0.4%; 0.6%; 0.8% and 1.0%. After this step, the films obtained were exposed to gamma radiation in a dose of 140 Gy in the presence of air and at room temperature. The influence of gamma radiation in a therapeutic dose on the chemical characteristics of nanocomposite films obtained through the solvent casting method, was accessed through absorption spectroscopy in the infrared region. Our results indicate that the chemical structure of PCL is preserved after exposure to gamma radiation at 140 Gy.En esta investigación se evaluó la influencia de la radiación gamma sobre la dosis terapéutica, como la dosis habitualmente utilizada (en promedio) en dos ciclos de tratamiento de radioterapia, sobre las características químicas de películas de nanocompuestos formadas por policaprolactona (PCL) con nanopartículas de óxido de ZnO (NP de ZnO). Las películas de nanocompuestos de PCL con NP de ZnO (PCL / ZnO NC) se obtuvieron mediante el método de fundición por solvente, utilizando cloroformo como solvente, con contenidos de masa de ZnO NP en relación a la masa de polímero igual a: 02%; 0,4%; 0,6%; 0,8% y 1,0%. Tras este paso, las películas obtenidas se expusieron a radiación gamma a una dosis de 140 Gy en presencia de aire y a temperatura ambiente. Se accedió a la influencia de la radiación gamma en dosis terapéutica sobre las características químicas de películas de nanocompuestos obtenidas mediante el método de fundición con solvente, mediante espectroscopía de absorción en la región infrarroja. Nuestros resultados indican que la estructura química del PCL se conserva después de la exposición a radiación gamma a 140 Gy.Nesta investigação, a influencia da radiação gama em dose terapeutica, como por exemplo, a dose costumeiramente utilizada (em media) em dois ciclos de tratamento radioterápico, foi avaliada sobre as características químicas de filmes de nanocompósitos formados pela policaprolactona (PCL) com nanopartículas de óxido de ZnO (ZnO NPs). Os filmes de nancompósitos da PCL com ZnO NPs (PCL/ZnO NCs) foram obtidos através do método de solvent casting, utilizando clorofórmio como solvent, com teores em masa de ZnO NPs em relação a massa do polímero iguais a: 02%; 0.4%; 0.6%; 0.8% e 1.0%. Apos essa etapa os filmes obtidos foram expostos a radiação gama na dose de 140 Gy em presenca de ar e em temperatura ambiente. A influência da radiação gama em dose terapeutica nas caracterísiticas químicas dos filmes de nanocompósitos obtidos através do médoto de solvent casting, foi acessada através da espectroscopia de absorção na região do infravermelho. Nossos resultados indicam que a estrutura química da PCL é preservada após a exposição a radiação gama em 140 Gy.Research, Society and Development2021-09-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/2052810.33448/rsd-v10i12.20528Research, Society and Development; Vol. 10 No. 12; e456101220528Research, Society and Development; Vol. 10 Núm. 12; e456101220528Research, Society and Development; v. 10 n. 12; e4561012205282525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIenghttps://rsdjournal.org/index.php/rsd/article/view/20528/18423Copyright (c) 2021 Marcos Vinícius da Silva Paula; Severino Alves Juniorhttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessPaula, Marcos Vinícius da Silva Alves Junior, Severino2021-11-14T20:26:51Zoai:ojs.pkp.sfu.ca:article/20528Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:40:09.316412Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
dc.title.none.fl_str_mv |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite Efectos de la radiación gamma en dosis terapéutica sobre las características químicas del nanocompuesto policaprolactona/ZnO Efeitos da radiação gama em dose terapêutica nas características químicas do nanocompósito policaprolactona/ZnO |
title |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite |
spellingShingle |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite Paula, Marcos Vinícius da Silva Radiação gama Policaprolactona Nanopartículas de ZnO. Gamma radiation Polycaprolactone ZnO nanoparticles. Radiación gamma Policaprolactona Nanopartículas de ZnO. |
title_short |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite |
title_full |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite |
title_fullStr |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite |
title_full_unstemmed |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite |
title_sort |
Effects of gamma radiation in therapeutic dose on the chemical characteristics of a polycaprolactone/ZnO nanocomposite |
author |
Paula, Marcos Vinícius da Silva |
author_facet |
Paula, Marcos Vinícius da Silva Alves Junior, Severino |
author_role |
author |
author2 |
Alves Junior, Severino |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Paula, Marcos Vinícius da Silva Alves Junior, Severino |
dc.subject.por.fl_str_mv |
Radiação gama Policaprolactona Nanopartículas de ZnO. Gamma radiation Polycaprolactone ZnO nanoparticles. Radiación gamma Policaprolactona Nanopartículas de ZnO. |
topic |
Radiação gama Policaprolactona Nanopartículas de ZnO. Gamma radiation Polycaprolactone ZnO nanoparticles. Radiación gamma Policaprolactona Nanopartículas de ZnO. |
description |
In this investigation, the influence of gamma radiation in a therapeutic dose, such as the dose generally administered (on average) in two cycles of radiotherapy treatment, was evaluated for the chemical characteristics of nanocomposite films formed by polycaprolactone (PCL) with oxide nanoparticles of ZnO (ZnO NPs). The PCL nanocomposite films with ZnO NPs (PCL/ZnO NCs) were obtained via solvent casting method, using chloroform as solvent, with ZnO NPs mass contents in relation to polymer masses equal to: 02%; 0.4%; 0.6%; 0.8% and 1.0%. After this step, the films obtained were exposed to gamma radiation in a dose of 140 Gy in the presence of air and at room temperature. The influence of gamma radiation in a therapeutic dose on the chemical characteristics of nanocomposite films obtained through the solvent casting method, was accessed through absorption spectroscopy in the infrared region. Our results indicate that the chemical structure of PCL is preserved after exposure to gamma radiation at 140 Gy. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-09-26 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/20528 10.33448/rsd-v10i12.20528 |
url |
https://rsdjournal.org/index.php/rsd/article/view/20528 |
identifier_str_mv |
10.33448/rsd-v10i12.20528 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/20528/18423 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2021 Marcos Vinícius da Silva Paula; Severino Alves Junior https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2021 Marcos Vinícius da Silva Paula; Severino Alves Junior https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Research, Society and Development |
publisher.none.fl_str_mv |
Research, Society and Development |
dc.source.none.fl_str_mv |
Research, Society and Development; Vol. 10 No. 12; e456101220528 Research, Society and Development; Vol. 10 Núm. 12; e456101220528 Research, Society and Development; v. 10 n. 12; e456101220528 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
instname_str |
Universidade Federal de Itajubá (UNIFEI) |
instacron_str |
UNIFEI |
institution |
UNIFEI |
reponame_str |
Research, Society and Development |
collection |
Research, Society and Development |
repository.name.fl_str_mv |
Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
repository.mail.fl_str_mv |
rsd.articles@gmail.com |
_version_ |
1797052690525585408 |