Effect of ionizing radiation on the color of botanical collections

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dc.contributor.authorLIMA, LENI M.P.R.pt_BR
dc.contributor.authorKODAMA, YASKOpt_BR
dc.contributor.authorOTUBO, LARISSApt_BR
dc.contributor.authorSANTOS, PAULO de S.pt_BR
dc.contributor.authorVASQUEZ, PABLO A.pt_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL NUCLEAR ATLANTIC CONFERENCEpt_BR
dc.date.accessioned2020-01-13T13:46:14Z
dc.date.available2020-01-13T13:46:14Z
dc.date.eventoOctober 21-25, 2019pt_BR
dc.description.abstractConservation and preservation strategies are essential to manage botanical collections specially for dried herbarium specimens also known as exsiccates, usually referring to a set of identified specimens belonging to taxa and distributed among all herbaria around the world. Particularly, these collections are very sensitive to the attack of fungi and insects. In recent years, disinfection by ionizing radiation has become an effective strategy to preserve cultural heritage objects and archived materials with excellent results. In this work, the effects on color properties of gamma radiation on exsiccates samples were studied. Thus, six exsiccates, botanical pressed and dehydrated samples were selected from the Dom Bento José Pickel Herbarium (SPSF), situated at São Paulo (Brazil). Three of these samples comes from Asteraceae family and were collected in 1946, 1984 and 1986, while three other samples belong to Solanaceae family and were collected in 1953, 1984 and 2007. Families of selected botanical collections are very susceptible to biodegradation. The irradiation was performed at the Multipurpose Gamma Irradiation Facility at IPEN applying absorbed doses of 1 kGy, 6 kGy and 10 kGy, which are values of absorbed dose for disinfestation and disinfection. Results were analyzed using colorimetry with CIELAB color space scale and scanning electron microscopy. The results showed that there were no significant changes on colorimetric morphological properties of the samples.pt_BR
dc.event.siglaINACpt_BR
dc.format.extent2650-2661pt_BR
dc.identifier.citationLIMA, LENI M.P.R.; KODAMA, YASKO; OTUBO, LARISSA; SANTOS, PAULO de S.; VASQUEZ, PABLO A. Effect of ionizing radiation on the color of botanical collections: exsiccata. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 21-25, 2019, Santos, SP. <b>Proceedings...</b> Rio de Janeiro: Associação Brasileira de Energia Nuclear, 2019. p. 2650-2661. Disponível em: http://repositorio.ipen.br/handle/123456789/30649.
dc.identifier.orcid0000-0003-4168-1626pt_BR
dc.identifier.orcid0000-0002-2112-4139pt_BR
dc.identifier.orcid0000-0002-0127-8130pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0003-4168-1626
dc.identifier.orcidhttps://orcid.org/0000-0002-6078-229X
dc.identifier.orcidhttps://orcid.org/0000-0002-0127-8130
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/30649
dc.localRio de Janeiropt_BR
dc.local.eventoSantos, SPpt_BR
dc.publisherAssociação Brasileira de Energia Nuclear
dc.rightsopenAccesspt_BR
dc.subjectabsorbed radiation doses
dc.subjectbotany
dc.subjectcalorimetry
dc.subjectcobalt 60
dc.subjectdisinfestation
dc.subjectfungi
dc.subjectgamma radiation
dc.subjectmorphological changes
dc.subjectpest control
dc.subjectplants
dc.subjectradiation dose units
dc.subjectscanning electron microscopy
dc.titleEffect of ionizing radiation on the color of botanical collectionspt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorPAULO DE SOUZA SANTOS
ipen.autorPABLO ANTONIO VASQUEZ SALVADOR
ipen.autorLARISSA OTUBO
ipen.autorYASKO KODAMA
ipen.codigoautor4074
ipen.codigoautor3075
ipen.codigoautor9697
ipen.codigoautor538
ipen.contributor.ipenauthorPAULO DE SOUZA SANTOS
ipen.contributor.ipenauthorPABLO ANTONIO VASQUEZ SALVADOR
ipen.contributor.ipenauthorLARISSA OTUBO
ipen.contributor.ipenauthorYASKO KODAMA
ipen.date.recebimento20-01
ipen.event.datapadronizada2019pt_BR
ipen.identifier.ipendoc26298pt_BR
ipen.notas.internasProceedingspt_BR
ipen.subtituloexsiccatapt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublication580f004e-82b5-446f-8853-cc50707b42fd
relation.isAuthorOfPublication47e9cd5a-dfda-4392-a887-42617e3c280f
relation.isAuthorOfPublicationd4213c42-72f0-4acc-956e-bdb70003cdee
relation.isAuthorOfPublication6bdaa29f-d607-45af-8f8a-e05de770a207
relation.isAuthorOfPublication.latestForDiscovery6bdaa29f-d607-45af-8f8a-e05de770a207
sigepi.autor.atividadeVASQUEZ, PABLO A.:3075:240:Npt_BR
sigepi.autor.atividadeSANTOS, PAULO de S.:4074:240:Npt_BR
sigepi.autor.atividadeOTUBO, LARISSA:9697:711:Npt_BR
sigepi.autor.atividadeKODAMA, YASKO:538:220:Npt_BR
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