Independent reaction times method in Geant4‐DNA: Implementation and performance

J Ramos‐Méndez, W Shin, M Karamitros… - Medical …, 2020 - Wiley Online Library
Purpose The simulation of individual particle tracks and the chemical stage following water
radiolysis in biological tissue is an effective means of improving our knowledge of the …

Geant4-DNA simulation of the pre-chemical stage of water radiolysis and its impact on initial radiochemical yields

WG Shin, J Ramos-Mendez, NH Tran, S Okada… - Physica Medica, 2021 - Elsevier
This paper demonstrates the impact of the pre-chemical stage, especially the dissociation
scheme and the associated probabilities, on water radiolysis simulation using the Geant4 …

Evaluation of the influence of physical and chemical parameters on water radiolysis simulations under MeV electron irradiation using Geant4-DNA

WG Shin, J Ramos-Mendez, B Faddegon… - Journal of Applied …, 2019 - pubs.aip.org
This paper presents the influence of electron elastic scattering models, electron
thermalization models, and chemical parameters on Geant4-DNA simulations of liquid water …

Geant4 physics processes for microdosimetry and secondary electron emission simulation: Extension of MicroElec to very low energies and 11 materials (C, Al, Si, Ti …

Q Gibaru, C Inguimbert, P Caron, M Raine… - Nuclear Instruments and …, 2021 - Elsevier
Several improvements are added to the MicroElec extension of Geant4 in order to track very
low energy electrons, protons and ions in different materials. The interaction processes for …

TOPAS-nBio validation for simulating water radiolysis and DNA damage under low-LET irradiation

J Ramos-Méndez, JA LaVerne… - Physics in Medicine …, 2021 - iopscience.iop.org
The chemical stage of the Monte Carlo track-structure simulation code Geant4-DNA has
been revised and validated. The root-mean-square (RMS) empirical parameter that dictates …

A Geant4-DNA evaluation of radiation-induced DNA damage on a human fibroblast

WG Shin, D Sakata, N Lampe, O Belov, NH Tran… - Cancers, 2021 - mdpi.com
Simple Summary DNA damage caused by ionizing radiation in a human fibroblast cell
evaluated by the Geant4-DNA Monte Carlo toolkit is presented. A validation study using a …

A parameter sensitivity study for simulating DNA damage after proton irradiation using TOPAS-nBio

H Zhu, AL McNamara, J Ramos-Mendez… - Physics in Medicine …, 2020 - iopscience.iop.org
Monte Carlo (MC) track structure simulation tools are commonly used for predicting radiation
induced DNA damage by modeling the physical and chemical reactions at the nanometer …

Review of chemical models and applications in Geant4‐DNA: Report from the ESA BioRad III Project

HN Tran, J Archer, G Baldacchino, JMC Brown… - Medical …, 2024 - Wiley Online Library
A chemistry module has been implemented in Geant4‐DNA since Geant4 version 10.1 to
simulate the radiolysis of water after irradiation. It has been used in a number of …

Electron transport in DNA bases: An extension of the Geant4-DNA Monte Carlo toolkit

SA Zein, MC Bordage, Z Francis, G Macetti… - Nuclear Instruments and …, 2021 - Elsevier
Abstract The Geant4-DNA Monte Carlo toolkit is extended to include electron interactions
with the four DNA bases using cross sections implemented in Geant-DNA CPA100 models …

Theoretical investigations of positron collisions with phosphorus-containing compounds

S Mahla, B Antony - Journal of Applied Physics, 2023 - pubs.aip.org
A theoretical investigation of positron scattering from phosphorus-containing compounds
(viz., PH 3⁠, P 2 H 4⁠, PCl 3⁠, PF 3⁠, PBr 3⁠, POF 3⁠, POCl 3⁠, and H 2 PO 4⁠) is …