Rapid MCNP simulation of DNA double strand break (DSB) relative biological effectiveness (RBE) for photons, neutrons, and light ions

RD Stewart, SW Streitmatter, DC Argento… - Physics in Medicine …, 2015 - iopscience.iop.org
To account for particle interactions in the extracellular (physical) environment, information
from the cell-level Monte Carlo damage simulation (MCDS) for DNA double strand break …

Dependence of Induced Biological Damage on the Energy Distribution and Intensity of Clinical Intra-Operative Radiotherapy Electron Beams

R Colmenares, R Carrión-Marchante… - International Journal of …, 2023 - mdpi.com
The survival fraction of epithelial HaCaT cells was analysed to assess the biological
damage caused by intraoperative radiotherapy electron beams with varying energy spectra …

Relative biological damage in and out of field of 6, 10 and 18 MV clinical photon beams

AO Ezzati - The European Physical Journal Plus, 2016 - Springer
The lower energy of scattered radiation in and out of a megavoltage (MV) photon beam
suggests that relative biological damage (RBD) may change from in-to out-of-field regions …

[图书][B] Numerical models for radiation-induced DNA damage

P Pater - 2016 - search.proquest.com
This thesis introduces and explores various numerical models for calculating DNA damage
produced by photons, electrons, protons, and other light ion beams. Clustered DNA damage …

Quantitative comparison between initial DNA-damage RBE of I-125 and Pd-103 brachytherapy sources through a hybrid simulation approach

HR Baghani, S Nasrollahi - The European Physical Journal Plus, 2021 - Springer
Abstract Iodine-125 and palladium-103 are radioactive sources that are frequently used for
interstitial brachytherapy purposes. The current study aims to quantitatively compare the …

Quantifying Radiobiological Variation in Cancer Radiotherapy Using Monte Carlo Simulation and Doped Plastic Scintillators

H Nusrat - rshare.library.torontomu.ca
This dissertation examines the extent to which radiobiological variations occur in photon
radiotherapy, and then presents a novel methodology and detector prototype to measure …

Evaluating the biological impact of increased scattered radiation in single and composite field radiation beams

H Nusrat, G Pang, SB Ahmad… - Biomedical Physics & …, 2018 - iopscience.iop.org
Low energy scattered particles cause the average energy at the treatment field edge to be
lower relative to the center of the beam. These particles have a higher LET, making them …

تخمین آسیب DNA بافت بدن ناشی از دز تابش‌های یونیزان در میدان‌های بزرگ شتاب‌دهنده خطی 6 مگاولتی فوتونی

عزتی, احداله, خداجوچوکامی, سهراب پور - سنجش و ایمنی پرتو, 2022‎ - rsm.kashanu.ac.ir
در این تحقیق با شبیهسازی کامل شتابدهنده واریان توسط کد MCNPX اثر بیولوژیکی نسبی در
داخل و خارج میدانهای 6 مگاولتی فوتونی cm2 30× 30 و cm2 40× 40، با در نظر گرفتن الکترونهای …

Novel Fundaments to Characterize and to Assess the Material Quality for High Photon Beam Filtration Efficiency

M Bencheikh, A Maghnouj, J Tajmouati… - Moscow University Physics …, 2019 - Springer
The objective of this study is to introduce novel fundaments to characterize and assess the
material behaviors on photon beam attenuation and beam softening for high filtration system …

Analysis of Secondary Photons Emergent from Combined Material Slab as a Function of Slab Thickness

M Bencheikh, A Maghnouj, J Tajmouati… - Moscow University Physics …, 2018 - Springer
Material science is very important for developing the linear accelerator. Determination and
understanding of material behavior face to X-rays is a basic study for photon beam modifiers …