New filter for iodine applied in nuclear medicine services

Detalhes bibliográficos
Autor(a) principal: RAMOS, V. S.
Data de Publicação: 2013
Outros Autores: CRISPIM, Verginia Reis, BRANDÃO, Luis Eduardo Barreira
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional do IEN
Texto Completo: http://hdl.handle.net/ien/848
Resumo: In NuclearMedicine,radioiodine,invariouschemicalforms,isakeytracerusedindiagnosticpractices and/or therapy.Medicalprofessionalsmayincorporateradioactiveiodineduringthepreparationofthe dose tobeadministeredtothepatient.Inradioactiveiodinetherapydosesrangingfrom3.7to7.4GBq per patientareemployed.Thus,aimingatreducingtheriskofoccupationalcontamination,wedeveloped a lowcost filter tobeinstalledattheexitoftheexhaustsystem(wheredosesofradioiodinearehandled within fumehoods,andnew filters willbeinstalledattheirexit),usingdomestictechnology. The effectivenessofradioactiveiodineretentionbysilverimpregnatedsilica[10%]crystalsandnatural activatedcarbonwasverified usingradiotracertechniques.Theresultsshowedthatnaturalactivated carbon andsilverimpregnatedsilicaareeffectiveforI2 capturewithlargeorsmallamountsofsubstrate but theuseofactivatedcarbonisrestrictedduetoitslow flash point(423K).Besides,whenpoisonedby organic solvents,this flash pointmaybecomelower,causingexplosionsifabsorbinglargeamountsof nitrates.ToholdtheCH3I gas,itwasnecessarytousenaturalactivatedcarbonsinceitwasnotabsorbed by SiO2+Ag crystals.Weconcludedthat,foranexhaust flowrangeof(14572) m3/h, adoublestage filter using SiO2+Ag inthe first stageandnaturalactivatedcarboninthesecondstageissufficient tomeet radiological safetyrequirements.
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spelling RAMOS, V. S.CRISPIM, Verginia ReisBRANDÃO, Luis Eduardo Barreira2014-10-09T14:32:43Z20132014-10-09T14:32:43Z2013http://hdl.handle.net/ien/848In NuclearMedicine,radioiodine,invariouschemicalforms,isakeytracerusedindiagnosticpractices and/or therapy.Medicalprofessionalsmayincorporateradioactiveiodineduringthepreparationofthe dose tobeadministeredtothepatient.Inradioactiveiodinetherapydosesrangingfrom3.7to7.4GBq per patientareemployed.Thus,aimingatreducingtheriskofoccupationalcontamination,wedeveloped a lowcost filter tobeinstalledattheexitoftheexhaustsystem(wheredosesofradioiodinearehandled within fumehoods,andnew filters willbeinstalledattheirexit),usingdomestictechnology. The effectivenessofradioactiveiodineretentionbysilverimpregnatedsilica[10%]crystalsandnatural activatedcarbonwasverified usingradiotracertechniques.Theresultsshowedthatnaturalactivated carbon andsilverimpregnatedsilicaareeffectiveforI2 capturewithlargeorsmallamountsofsubstrate but theuseofactivatedcarbonisrestrictedduetoitslow flash point(423K).Besides,whenpoisonedby organic solvents,this flash pointmaybecomelower,causingexplosionsifabsorbinglargeamountsof nitrates.ToholdtheCH3I gas,itwasnecessarytousenaturalactivatedcarbonsinceitwasnotabsorbed by SiO2+Ag crystals.Weconcludedthat,foranexhaust flowrangeof(14572) m3/h, adoublestage filter using SiO2+Ag inthe first stageandnaturalactivatedcarboninthesecondstageissufficient tomeet radiological safetyrequirements.In NuclearMedicine,radioiodine,invariouschemicalforms,isakeytracerusedindiagnosticpractices and/or therapy.Medicalprofessionalsmayincorporateradioactiveiodineduringthepreparationofthe dose tobeadministeredtothepatient.Inradioactiveiodinetherapydosesrangingfrom3.7to7.4GBq per patientareemployed.Thus,aimingatreducingtheriskofoccupationalcontamination,wedeveloped a lowcost filter tobeinstalledattheexitoftheexhaustsystem(wheredosesofradioiodinearehandled within fumehoods,andnew filters willbeinstalledattheirexit),usingdomestictechnology. The effectivenessofradioactiveiodineretentionbysilverimpregnatedsilica[10%]crystalsandnatural activatedcarbonwasverified usingradiotracertechniques.Theresultsshowedthatnaturalactivated carbon andsilverimpregnatedsilicaareeffectiveforI2 capturewithlargeorsmallamountsofsubstrate but theuseofactivatedcarbonisrestrictedduetoitslow flash point(423K).Besides,whenpoisonedby organic solvents,this flash pointmaybecomelower,causingexplosionsifabsorbinglargeamountsof nitrates.ToholdtheCH3I gas,itwasnecessarytousenaturalactivatedcarbonsinceitwasnotabsorbed by SiO2+Ag crystals.Weconcludedthat,foranexhaust flowrangeof(14572) m3/h, adoublestage filter using SiO2+Ag inthe first stageandnaturalactivatedcarboninthesecondstageissufficient tomeet radiological safetyrequirements.Submitted by Lemos Marina (marinalemos@id.uff.br) on 2014-10-09T14:32:43Z No. of bitstreams: 1 1-s2.0-S0969804313003278-main.pdf: 1660837 bytes, checksum: 0426a643a2ee9389e86fc181f4260c97 (MD5)Made available in DSpace on 2014-10-09T14:32:43Z (GMT). No. of bitstreams: 1 1-s2.0-S0969804313003278-main.pdf: 1660837 bytes, checksum: 0426a643a2ee9389e86fc181f4260c97 (MD5) Previous issue date: 2013porInsitituto de Engenharia NuclearIENBrasilNew filter for iodine applied in nuclear medicine servicesAplicações Industriais de RadioisotoposRadiotracersRadioactive iodineSpecific filters and nuclear medicineservicesNew filter for iodine applied in nuclear medicine servicesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article82info:eu-repo/semantics/openAccessreponame:Repositório Institucional do IENinstname:Instituto de Engenharia Nuclearinstacron:IENLICENSElicense.txtlicense.txttext/plain; charset=utf-81748http://carpedien.ien.gov.br:8080/xmlui/bitstream/ien/848/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52ORIGINAL1-s2.0-S0969804313003278-main.pdf1-s2.0-S0969804313003278-main.pdfapplication/pdf1660837http://carpedien.ien.gov.br:8080/xmlui/bitstream/ien/848/1/1-s2.0-S0969804313003278-main.pdf0426a643a2ee9389e86fc181f4260c97MD51ien/848oai:carpedien.ien.gov.br:ien/8482014-10-09 11:32:43.075Dspace IENlsales@ien.gov.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
dc.title.pt_BR.fl_str_mv New filter for iodine applied in nuclear medicine services
title New filter for iodine applied in nuclear medicine services
spellingShingle New filter for iodine applied in nuclear medicine services
RAMOS, V. S.
Aplicações Industriais de Radioisotopos
Radiotracers
Radioactive iodine
Specific filters and nuclear medicine
services
title_short New filter for iodine applied in nuclear medicine services
title_full New filter for iodine applied in nuclear medicine services
title_fullStr New filter for iodine applied in nuclear medicine services
title_full_unstemmed New filter for iodine applied in nuclear medicine services
title_sort New filter for iodine applied in nuclear medicine services
author RAMOS, V. S.
author_facet RAMOS, V. S.
CRISPIM, Verginia Reis
BRANDÃO, Luis Eduardo Barreira
author_role author
author2 CRISPIM, Verginia Reis
BRANDÃO, Luis Eduardo Barreira
author2_role author
author
dc.contributor.author.fl_str_mv RAMOS, V. S.
CRISPIM, Verginia Reis
BRANDÃO, Luis Eduardo Barreira
dc.subject.cnpq.fl_str_mv Aplicações Industriais de Radioisotopos
topic Aplicações Industriais de Radioisotopos
Radiotracers
Radioactive iodine
Specific filters and nuclear medicine
services
dc.subject.por.fl_str_mv Radiotracers
Radioactive iodine
Specific filters and nuclear medicine
services
dc.description.abstract.por.fl_txt_mv In NuclearMedicine,radioiodine,invariouschemicalforms,isakeytracerusedindiagnosticpractices and/or therapy.Medicalprofessionalsmayincorporateradioactiveiodineduringthepreparationofthe dose tobeadministeredtothepatient.Inradioactiveiodinetherapydosesrangingfrom3.7to7.4GBq per patientareemployed.Thus,aimingatreducingtheriskofoccupationalcontamination,wedeveloped a lowcost filter tobeinstalledattheexitoftheexhaustsystem(wheredosesofradioiodinearehandled within fumehoods,andnew filters willbeinstalledattheirexit),usingdomestictechnology. The effectivenessofradioactiveiodineretentionbysilverimpregnatedsilica[10%]crystalsandnatural activatedcarbonwasverified usingradiotracertechniques.Theresultsshowedthatnaturalactivated carbon andsilverimpregnatedsilicaareeffectiveforI2 capturewithlargeorsmallamountsofsubstrate but theuseofactivatedcarbonisrestrictedduetoitslow flash point(423K).Besides,whenpoisonedby organic solvents,this flash pointmaybecomelower,causingexplosionsifabsorbinglargeamountsof nitrates.ToholdtheCH3I gas,itwasnecessarytousenaturalactivatedcarbonsinceitwasnotabsorbed by SiO2+Ag crystals.Weconcludedthat,foranexhaust flowrangeof(14572) m3/h, adoublestage filter using SiO2+Ag inthe first stageandnaturalactivatedcarboninthesecondstageissufficient tomeet radiological safetyrequirements.
In NuclearMedicine,radioiodine,invariouschemicalforms,isakeytracerusedindiagnosticpractices and/or therapy.Medicalprofessionalsmayincorporateradioactiveiodineduringthepreparationofthe dose tobeadministeredtothepatient.Inradioactiveiodinetherapydosesrangingfrom3.7to7.4GBq per patientareemployed.Thus,aimingatreducingtheriskofoccupationalcontamination,wedeveloped a lowcost filter tobeinstalledattheexitoftheexhaustsystem(wheredosesofradioiodinearehandled within fumehoods,andnew filters willbeinstalledattheirexit),usingdomestictechnology. The effectivenessofradioactiveiodineretentionbysilverimpregnatedsilica[10%]crystalsandnatural activatedcarbonwasverified usingradiotracertechniques.Theresultsshowedthatnaturalactivated carbon andsilverimpregnatedsilicaareeffectiveforI2 capturewithlargeorsmallamountsofsubstrate but theuseofactivatedcarbonisrestrictedduetoitslow flash point(423K).Besides,whenpoisonedby organic solvents,this flash pointmaybecomelower,causingexplosionsifabsorbinglargeamountsof nitrates.ToholdtheCH3I gas,itwasnecessarytousenaturalactivatedcarbonsinceitwasnotabsorbed by SiO2+Ag crystals.Weconcludedthat,foranexhaust flowrangeof(14572) m3/h, adoublestage filter using SiO2+Ag inthe first stageandnaturalactivatedcarboninthesecondstageissufficient tomeet radiological safetyrequirements.
description In NuclearMedicine,radioiodine,invariouschemicalforms,isakeytracerusedindiagnosticpractices and/or therapy.Medicalprofessionalsmayincorporateradioactiveiodineduringthepreparationofthe dose tobeadministeredtothepatient.Inradioactiveiodinetherapydosesrangingfrom3.7to7.4GBq per patientareemployed.Thus,aimingatreducingtheriskofoccupationalcontamination,wedeveloped a lowcost filter tobeinstalledattheexitoftheexhaustsystem(wheredosesofradioiodinearehandled within fumehoods,andnew filters willbeinstalledattheirexit),usingdomestictechnology. The effectivenessofradioactiveiodineretentionbysilverimpregnatedsilica[10%]crystalsandnatural activatedcarbonwasverified usingradiotracertechniques.Theresultsshowedthatnaturalactivated carbon andsilverimpregnatedsilicaareeffectiveforI2 capturewithlargeorsmallamountsofsubstrate but theuseofactivatedcarbonisrestrictedduetoitslow flash point(423K).Besides,whenpoisonedby organic solvents,this flash pointmaybecomelower,causingexplosionsifabsorbinglargeamountsof nitrates.ToholdtheCH3I gas,itwasnecessarytousenaturalactivatedcarbonsinceitwasnotabsorbed by SiO2+Ag crystals.Weconcludedthat,foranexhaust flowrangeof(14572) m3/h, adoublestage filter using SiO2+Ag inthe first stageandnaturalactivatedcarboninthesecondstageissufficient tomeet radiological safetyrequirements.
publishDate 2013
dc.date.available.fl_str_mv 2013
2014-10-09T14:32:43Z
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2014-10-09T14:32:43Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
status_str publishedVersion
format article
dc.identifier.uri.fl_str_mv http://hdl.handle.net/ien/848
url http://hdl.handle.net/ien/848
dc.language.iso.fl_str_mv por
language por
dc.relation.ispartof.pt_BR.fl_str_mv New filter for iodine applied in nuclear medicine services
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Insitituto de Engenharia Nuclear
dc.publisher.initials.fl_str_mv IEN
dc.publisher.country.fl_str_mv Brasil
publisher.none.fl_str_mv Insitituto de Engenharia Nuclear
dc.source.none.fl_str_mv reponame:Repositório Institucional do IEN
instname:Instituto de Engenharia Nuclear
instacron:IEN
reponame_str Repositório Institucional do IEN
collection Repositório Institucional do IEN
instname_str Instituto de Engenharia Nuclear
instacron_str IEN
institution IEN
bitstream.url.fl_str_mv http://carpedien.ien.gov.br:8080/xmlui/bitstream/ien/848/2/license.txt
http://carpedien.ien.gov.br:8080/xmlui/bitstream/ien/848/1/1-s2.0-S0969804313003278-main.pdf
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