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Simulation of the ion-induced shock waves effects on the transport of chemically reactive species in ion tracks

de Vera, Pablo; Surdutovich, Eugene; Mason, Nigel J.; Currell, Fred J. and Solov'yov, Andrey (2018). Simulation of the ion-induced shock waves effects on the transport of chemically reactive species in ion tracks. The European Physical Journal D, 72(9), article no. 147.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1140/epjd/e2018-90167-x
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Abstract

The passage of energetic ions through tissue initiates a series of physico-chemical events which leads to biodamage. The study of such ion-induced biodamage using a multiscale approach to the physics of radiation damage with ions has led to the prediction of shock waves being initiated by concentrated energy deposition along the ion track. In this work the radial energy deposition around carbon ion paths, calculated solving diffusion equations, is augmented with the inclusion of more energetic δ-electrons. The radial profiles of energy deposition and the induced concentrations of free radicals are used to simulate the shock waves by means of reactive classical molecular dynamics, which predict a characteristic distribution of reactive chemical species which may have an as yet unrecognised contribution to the nascent biodamage. The paper also suggests some experimental methods by which such a shock wave may be detected and the predictions of these simulations verified.

Item Type: Journal Item
Copyright Holders: 2018 The Author(s).
ISSN: 1434-6079
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 66493
SWORD Depositor: Jisc Publications-Router
Depositing User: Jisc Publications-Router
Date Deposited: 09 Sep 2019 09:55
Last Modified: 10 Sep 2019 05:22
URI: http://oro.open.ac.uk/id/eprint/66493
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