About: Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The concave eye applicators with 106Ru/106Rh or 90Sr/90Y beta-ray sources are world-wide used in brachytherapy for treating intraocular tumors. It raises the need to know the exact dose delivered by beta radiation to tumors but measurement of the dose to water (or tissue) is very difficult due to short range of electrons. The Monte Carlo code MCNPX has been used to calculate dose distributions from a COB-type 106Ru/106Rh ophthalmic applicator. The depth dose along the applicator central axis and the dose distribution on a spherical surface 1 mm above the plaque inner surface have been compared with measurement data provided by the manufacturer. For distances from 0.5 to 4 mm above the surface, the agreement was within 2.5 % and from 5 mm the difference increased from 6 % up to 25 % at 10 mm whereas the uncertainty of manufacturer data is 20 %. It is assumed that the difference is caused by nonuniformly distributed radioactivity over the applicator radioactive layer. The concave eye applicators with 106Ru/106Rh or 90Sr/90Y beta-ray sources are world-wide used in brachytherapy for treating intraocular tumors. It raises the need to know the exact dose delivered by beta radiation to tumors but measurement of the dose to water (or tissue) is very difficult due to short range of electrons. The Monte Carlo code MCNPX has been used to calculate dose distributions from a COB-type 106Ru/106Rh ophthalmic applicator. The depth dose along the applicator central axis and the dose distribution on a spherical surface 1 mm above the plaque inner surface have been compared with measurement data provided by the manufacturer. For distances from 0.5 to 4 mm above the surface, the agreement was within 2.5 % and from 5 mm the difference increased from 6 % up to 25 % at 10 mm whereas the uncertainty of manufacturer data is 20 %. It is assumed that the difference is caused by nonuniformly distributed radioactivity over the applicator radioactive layer. (en)
Title	Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque (en)
skos:prefLabel	Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque (en)
skos:notation	RIV/00177016:_____/08:#0000163!RIV11-MPO-00177016
http://linked.open...avai/riv/aktivita	R
http://linked.open...avai/riv/aktivity	R
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Šolc, Jaroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Český metrologický institut
http://linked.open...dnocenehoVysledku	380561
http://linked.open...ai/riv/idVysledku	RIV/00177016:_____/08:#0000163
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Monte Carlo; ophthalmic applicator; MCNP; beta radiation; simulation; dose to water (en)
http://linked.open.../riv/klicoveSlovo	beta radiation MCNP simulation Monte Carlo dose to water ophthalmic applicator
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[0BB84DA8A2FD]
http://linked.open...i/riv/nazevZdroje	Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	102
http://linked.open...iv/tvurceVysledku	Šolc, Jaroslav
issn	1742-6596
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque Monte Carlo calculation of dose to water of a 106Ru COB-type ophthalmic plaque

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