Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants
Autor(a) principal: | |
---|---|
Data de Publicação: | 2003 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Materials research (São Carlos. Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392003000200003 |
Resumo: | This paper presents the chemical and physical characterizations of SiO2 and SiO2-CaO bioactive glasses incorporated with samarium atoms, produced by sol-gel synthesis. The objective is to provide biocompatible and biodegradable radioactive seeds as an alternative to be used in Brachytherapy for the treatment of prostate cancer. The glasses were produced and analyzed by X-ray fluorescence spectroscopy (XRF), energy dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM), He picnometry and nitrogen adsorption analysis. A theoretical evaluation of the specific activity of the samples upon neutron activation is proposed. The XRF and EDS results demonstrate the incorporation of samarium atoms in the glass matrix. The experimental data coupled with the theoretical studies in neutron activation suggest that it is possible to obtain radioactive seeds with activities equivalent to 125I seeds used in brachytherapy prostatic. |
id |
ABMABCABPOL-1_9649a8371a2764667c801bcbe71513ca |
---|---|
oai_identifier_str |
oai:scielo:S1516-14392003000200003 |
network_acronym_str |
ABMABCABPOL-1 |
network_name_str |
Materials research (São Carlos. Online) |
repository_id_str |
|
spelling |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implantssol-gelbiodegradable glassesbiodegradable seedsbrachytherapyradioactive seedssamarium seedsThis paper presents the chemical and physical characterizations of SiO2 and SiO2-CaO bioactive glasses incorporated with samarium atoms, produced by sol-gel synthesis. The objective is to provide biocompatible and biodegradable radioactive seeds as an alternative to be used in Brachytherapy for the treatment of prostate cancer. The glasses were produced and analyzed by X-ray fluorescence spectroscopy (XRF), energy dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM), He picnometry and nitrogen adsorption analysis. A theoretical evaluation of the specific activity of the samples upon neutron activation is proposed. The XRF and EDS results demonstrate the incorporation of samarium atoms in the glass matrix. The experimental data coupled with the theoretical studies in neutron activation suggest that it is possible to obtain radioactive seeds with activities equivalent to 125I seeds used in brachytherapy prostatic.ABM, ABC, ABPol2003-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392003000200003Materials Research v.6 n.2 2003reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/S1516-14392003000200003info:eu-repo/semantics/openAccessRoberto,Wanderley dos SantosPereira,Marivalda MagalhãesCampos,Tarcísio Passos Ribeiro deeng2003-07-03T00:00:00Zoai:scielo:S1516-14392003000200003Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2003-07-03T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false |
dc.title.none.fl_str_mv |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
title |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
spellingShingle |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants Roberto,Wanderley dos Santos sol-gel biodegradable glasses biodegradable seeds brachytherapy radioactive seeds samarium seeds |
title_short |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
title_full |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
title_fullStr |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
title_full_unstemmed |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
title_sort |
Analysis of bioactive glasses obtained by sol-gel processing for radioactive implants |
author |
Roberto,Wanderley dos Santos |
author_facet |
Roberto,Wanderley dos Santos Pereira,Marivalda Magalhães Campos,Tarcísio Passos Ribeiro de |
author_role |
author |
author2 |
Pereira,Marivalda Magalhães Campos,Tarcísio Passos Ribeiro de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Roberto,Wanderley dos Santos Pereira,Marivalda Magalhães Campos,Tarcísio Passos Ribeiro de |
dc.subject.por.fl_str_mv |
sol-gel biodegradable glasses biodegradable seeds brachytherapy radioactive seeds samarium seeds |
topic |
sol-gel biodegradable glasses biodegradable seeds brachytherapy radioactive seeds samarium seeds |
description |
This paper presents the chemical and physical characterizations of SiO2 and SiO2-CaO bioactive glasses incorporated with samarium atoms, produced by sol-gel synthesis. The objective is to provide biocompatible and biodegradable radioactive seeds as an alternative to be used in Brachytherapy for the treatment of prostate cancer. The glasses were produced and analyzed by X-ray fluorescence spectroscopy (XRF), energy dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM), He picnometry and nitrogen adsorption analysis. A theoretical evaluation of the specific activity of the samples upon neutron activation is proposed. The XRF and EDS results demonstrate the incorporation of samarium atoms in the glass matrix. The experimental data coupled with the theoretical studies in neutron activation suggest that it is possible to obtain radioactive seeds with activities equivalent to 125I seeds used in brachytherapy prostatic. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-06-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392003000200003 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392003000200003 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1516-14392003000200003 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
ABM, ABC, ABPol |
publisher.none.fl_str_mv |
ABM, ABC, ABPol |
dc.source.none.fl_str_mv |
Materials Research v.6 n.2 2003 reponame:Materials research (São Carlos. Online) instname:Universidade Federal de São Carlos (UFSCAR) instacron:ABM ABC ABPOL |
instname_str |
Universidade Federal de São Carlos (UFSCAR) |
instacron_str |
ABM ABC ABPOL |
institution |
ABM ABC ABPOL |
reponame_str |
Materials research (São Carlos. Online) |
collection |
Materials research (São Carlos. Online) |
repository.name.fl_str_mv |
Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR) |
repository.mail.fl_str_mv |
dedz@power.ufscar.br |
_version_ |
1754212657306533888 |