Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/86600
Type: Artigo de evento
Title: Performance Of A New Atomistic Geometrical Model Of The B-dna Configuration For Dna-radiation Interaction Simulations
Author: Bernal M.A.
Sikansi D.
Cavalcante F.
Incerti S.
Champion C.
Ivanchenko V.
Francis Z.
Karamitros M.
Abstract: We have recently developed an atomistic model of the B-DNA configuration, up to the 30-nm chromatin fiber. This model is intended to be used in Monte Carlo simulations of the DNA-radiation interaction, specifically in conjunction with the Geant4-DNA extension of the Geant4 Monte Carlo toolkit. In this work, 11449 parallel chromatin fibers have been arranged within a cube mimicking a cell nucleus containing about 6.5×109 base pairs. Each atom in the model is represented by a sphere with the corresponding van der Waals radius. Direct single, double and total DNA strand break yields due to the impact of protons and alpha particles with LET ranging from 4.57 to 207.1 keV/μm have been determined. Also, the corresponding site-hit probabilities have been calculated. © Published under licence by IOP Publishing Ltd.
Editor: Institute of Physics Publishing
Rights: aberto
Identifier DOI: 10.1088/1742-6596/490/1/012150
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84896933771&partnerID=40&md5=3edc2839076c79ec5551acf63f2d0005
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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