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Radiation technology: processes and products: concepts and applications

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dc.contributor.authorCabo Verde, Sandra
dc.contributor.authorMelo, Rita
dc.contributor.authorMarcos, H.
dc.contributor.authorSilva, Tânia Cristina
dc.contributor.authorNunes, I.
dc.contributor.authorDores, V.
dc.contributor.authorAntonio, Amilcar L.
dc.contributor.authorReis, J.
dc.contributor.authorTeubig, P.
dc.contributor.authorSantos, Pedro M.P.
dc.contributor.authorBotelho, M. Luísa
dc.date.accessioned2012-01-27T14:44:31Z
dc.date.available2012-01-27T14:44:31Z
dc.date.issued2010
dc.description.abstractThe radiation technology process is based on the physics and chemistry of radiation interactions with matter and the quantities that are used for monitoring radiation energy depositions. The modifications in a material exposed to ionizing radiation are caused by deposition of energy such as in thermal or chemical processes. However in any thermal or chemical process the energy transfer is relatively small. Taking into account that the binding energies are generally below 12 eV any chemical bond may be broken and/or potential chemical reactions happen during the exposure to ionizing radiation. The impact of primary radiation energies (>10 keV, <10 MeV) could lead to the degradation and complex interactions with matter wich produce a cascade of reactions of secondary lower energies. Ionizing radiation with wavelengths less than 10^-10 m, such as gamma-rays, X-rays and electron beams have a higher energy, causing electron transitions and atom ionization, but the energy imparted in the system is not eneough to change the nucleus into a radioactive isotope. The primary radiation energies are produced by electron beam accelerators and electromagnetic radiation (X and gamma rays) are produced by machines or by radioisotopes such as Cobalt-60 or Caesium-137. Ionizing radiation is a clean and environment friendly energy and could be applied to a large range of applications on biology and chemistry fields. Some applications and their ranges of absorbed doses usually applied will be discussed.por
dc.identifier.citationCabo Verde, S.; Melo, R.; Marcos, H.; Silva, T.; Nunes, I.; Dores, V.; Antonio, A.; Reis, J.; Teubig, P.; Santos, P. M. P.; Botelho, M. L. (2010) – Radiation technology: processes and products - concepts and applications. In: Radiation processing technology applications. Vol. 1: A comprehensive text covering various aspects of radiation processing with a focus on its applications in different industry sectors. Delhi: Shriram Institute for Industrial Research. p. 5-21. ISBN 978-81-910772-0-9por
dc.identifier.isbn978-81-910772-0-9
dc.identifier.urihttp://hdl.handle.net/10198/6593
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherShriram Institute for Industrial Researchpor
dc.relation.ispartofseries1
dc.subjectRadiation technologypor
dc.subjectIonizing radiationpor
dc.subjectMicrobiological inactivationpor
dc.titleRadiation technology: processes and products: concepts and applicationspor
dc.typebook part
dspace.entity.typePublication
oaire.citation.conferencePlaceIsotope Technologies and Applications - New Horizons, Mumbai, Indiapor
oaire.citation.endPage21por
oaire.citation.issueFirst Editionpor
oaire.citation.startPage5por
oaire.citation.titleRadiation Processing Technology and Applicationspor
person.familyNameAntonio
person.givenNameAmilcar L.
person.identifier.ciencia-id1014-5259-DE86
person.identifier.orcid0000-0001-8271-9964
person.identifier.ridJ-1960-2014
person.identifier.scopus-author-id44560921900
rcaap.rightsrestrictedAccesspor
rcaap.typebookPartpor
relation.isAuthorOfPublication4b23e496-8d11-4ff5-a8ec-e1c2235e5a28
relation.isAuthorOfPublication.latestForDiscovery4b23e496-8d11-4ff5-a8ec-e1c2235e5a28

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