English
Related papers

Related papers: The Generalized Stochastic Microdosimetric Model: …

200 papers

Ion-induced DNA damage is an important effect underlying ion-beam cancer therapy. This paper introduces the methodology of modeling DNA damage induced by a shock wave caused by a projectile ion. Specifically, it is demonstrated how single-…

Biological Physics · Physics 2021-07-09 Ida Friis , Alexey V. Verkhovtsev , Ilia A. Solov'yov , Andrey V. Solov'yov

The radiation-induced damages in bio-molecules are ubiquitous processes in radiotherapy, radio-biology and critical to space-projects. In this study we present a precise quantification of the fragmentation mechanisms of deoxyribonucleic…

Biological Physics · Physics 2022-01-28 Santosh KC , Ramin Abolfath

According to the experimental evidence damage induced by densely ionizing radiation in mammalian cells is distributed along the DNA molecule in the form of clusters. The most critical constituent of DNA damage are double-strand breaks…

Biological Physics · Physics 2007-05-23 E. Gudowska-Nowak , M. Kraemer , G. Kraft , G. Taucher-Scholz

Ion-induced cell killing has been reported to depend on the irradiation dose but also on the projectile parameters. In this paper we focus on two approaches developed and extensively used to predict cell survival in response to ion…

Biological Physics · Physics 2009-07-15 M. Beuve , A. Colliaux , D. Dabli , D. Dauvergne , B. Gervais , G. Montarou , E. Testa

Glioblastoma is a highly invasive brain tumor, whose cells infiltrate surrounding normal brain tissue beyond the lesion outlines visible in the current medical scans. These infiltrative cells are treated mainly by radiotherapy. Existing…

We propose LD(Low Dose) model, the extension of LDM model which was proposed in the previous paper [Y. Manabe et al.: J. Phys. Soc. Jpn. 81 (2012) 104004] to estimate biological damage caused by irradiation. LD model takes account of all…

Biological Physics · Physics 2015-06-05 Yuichiro Manabe , Masako Bando

The stochastic reaction-diffusion model driven by a multiplicative noise is examined. We construct the gradient discretisation method (GDM), an abstract framework combining several numerical method families. The paper provides the…

Numerical Analysis · Mathematics 2024-07-11 Yahya Alnashri , Hasan Alzubaidi

Glioblastoma (GBM) exhibits two principal growth phenotypes: infiltrative, characterized by diffuse invasion with minimal mass effect, and proliferative, characterized by pronounced tissue compression. Their quantitative delineation and…

The foundations of irradiation damage theory were laid in the 1950s and 60s within the framework of chemical reaction kinetics. While helpful to analyze qualitative aspects of irradiation damage, the theory contained gaps that delayed its…

Materials Science · Physics 2026-02-16 Sicong He , Brandon Schwendeman , George Tynan , Jaime Marian

Understanding the nature of irradiation damage often requires a multi-scale and multi-physics approach, i.e. it requires a significant amount of information from experiments, simulations and phenomenological models. This paper focuses on…

Materials Science · Physics 2024-05-07 Bartosz Barzdajn , Christopher P Race

One of the most crucial and lethal characteristics of solid tumors is represented by the increased ability of cancer cells to migrate and invade other organs during the so-called metastatic spread. This is allowed thanks to the production…

Tissues and Organs · Quantitative Biology 2024-04-10 Giorgia Ciavolella , Nathalie Ferrand , Michèle Sabbah , Benoît Perthame , Roberto Natalini

We study a stochastic model for tumor cell growth with both multiplicative and additive colored noise as well as a non-zero cross-correlations in between. Whereas the death rate within the logistic model is altered by a deterministic term…

Cell Behavior · Quantitative Biology 2015-05-13 Thomas Bose , Steffen Trimper

Adoptive Cell Transfer therapy of cancer is currently in full development and mathematical modeling is playing a critical role in this area. We study a stochastic model developed by Baar et al. in 2015 for modeling immunotherapy against…

Populations and Evolution · Quantitative Biology 2020-03-09 Modibo Diabate , Loren Coquille , Adeline Samson

The elucidation of fundamental mechanisms underlying ion-induced radiation damage of biological systems is crucial for the advancement of radiotherapy with ion beams and for radiation protection in space. The study of ion-induced biodamage…

Biological Physics · Physics 2023-09-06 Ida Friis , Alexey V. Verkhovtsev , Ilia A. Solov'yov , Andrey V. Solov'yov

In a previous work, we presented a model that integrates cancer cell differentiation and immunotherapy, analysing a particular therapy against cancer stem cells by cytotoxic cell vaccines. As every biological system is exposed to random…

Biological Physics · Physics 2022-12-14 Marcela Reale , David Margarit , Ariel Scagliotti , Lilia Romanelli

In this work, we aim to predict the survival time (ST) of glioblastoma (GBM) patients undergoing different treatments based on preoperative magnetic resonance (MR) scans. The personalized and precise treatment planning can be achieved by…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Xiaofeng Liu , Nadya Shusharina , Helen A Shih , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Due to the high complexity of geometry-deterministic wireless channel modeling and the difficulty in its implementation, geometry-based stochastic channel modeling (GBSM) approaches have been used to evaluate wireless systems. This paper…

Signal Processing · Electrical Eng. & Systems 2024-06-24 Seongjoon Kang

In order to study the molecular damage induced in the form of single-strand and double-strand breaks by the ionizing radiation at the DNA level, Geant4-DNA Monte Carlo simulation code for complete transportation of primary protons and other…

Biological Physics · Physics 2018-10-10 Mojtaba Mokari , Mohammad Hassan Alamatsaz , Hossein Moeini , Reza Taleei

Mathematical oncology provides unique and invaluable insights into tumour growth on both the microscopic and macroscopic levels. This review presents state-of-the-art modelling techniques and focuses on their role in understanding…

In silico testing of implant materials is a research area of high interest, as cost- and labour-intensive experiments may be omitted. However, assessing the tissue-material interaction mathematically and computationally can be very complex,…