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Results for "alpha particle": 8 found

A Refined Model of Reference Mesh-Type Female Breast Model Vasculature and Glandular Structures for Internal Circulating Lymphocyte Dosimetry

Authors: Wesley E. Bolch, Carlos G. Colon-Ortiz, Robert Joseph Dawson, Lazaro Fuentes Alfonso, Shreya P. Pathak, Julia D. Withrow

Affiliation: University of Florida

Abstract Preview: Purpose: To develop tetrahedral mesh-based tissue models within the breasts of the International Commission on Radiological Protection (ICRP) adult female mesh-type reference computational phantom (AF...

AI-Assisted 3D Microscale Mesh Models of Human Lungs from Iodine-Stained Serial-Sectioned Histology Images and Their Dosimetry Applications

Authors: John P. Aris, Wesley E. Bolch, Robert Joseph Dawson, Bonnie N. C. President, Yitian Wang

Affiliation: Johns Hopkins University, University of Florida

Abstract Preview: Purpose: Generation of a mesh-based microscale lung model is essential for accurate dosimetry analysis. Lungs exchange air with the environment and may be exposed to alpha-particle-emitting radionucli...

An Experimentally Derived Microscale Blood and Lymphatic Vasculature Model for Applications to Radiopharmaceutical Dosimetry

Authors: Peter Balogh, Wesley E. Bolch, Mir Md Nasim Hossain, Nien-Wen Hu, Walter Murfee, Wyatt Smither, Julia D. Withrow

Affiliation: New Jersey Institute of Technology, University of Florida

Abstract Preview: Purpose: To develop 3D computational, tissue-representative models incorporating physiologically relevant microvascular network patterns for calculating local alpha particle and electron dosimetry eff...

BEST IN PHYSICS THERAPY: Immunomodulatory Effects of Selective PARP1 Inhibition in Combination with Photon and Alpha Particle Therapy in Immunologically Cold Breast Cancer

Authors: Scott James Bright, Vered Domankevich-Bachar, Mandira Manandhar, Poliana Marinello, Yogesh Rai, Marco Freitas Reis, Alexandre Rubinstein, Gabriel O. Sawakuchi, Ronen Segal, Walison Augusto Silva Brito, Mark Wasley, Amy Wu

Affiliation: MD Anderson Cancer Center, Alpha Tau Medical Ltd, Alpha Tau Medical LTD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center

Abstract Preview: Purpose: Immunologically cold breast cancers are aggressive and difficult to treat due to their lack of immune cell infiltration. The combination of high-LET radiation with DNA repair inhibitors offer...

Efficient Monte Carlo Simulation of Radiation-Induced Double Strand Break Production and Repair Kinetics

Authors: Zakaria Aboulbanine, Greeshma A. Agasthya, Paul Inman, Anuj J. Kapadia, Anthony Hong Cheol Lim, Jayasai Ram Rajagopal, Chris C. Wang

Affiliation: Oak Ridge National Laboratory, Georgia Institute of Technology

Abstract Preview: Purpose: Radiobiological simulation via TOPAS-nBio requires significant computational resources and time to provide meaningful results. This study aims to decrease simulation time and computational re...

Evaluating DNA Damage Efficacy for 90y and 225ac Based Radiotherapy

Authors: Ramin Abolfath, Alejandro Bertolet, Kofi M. Deh, Rao Khan, Vanessa Sanders, Daniel Suarez-Garcia

Affiliation: Massachusetts General Hospital and Harvard Medical School, University of Sevilla, Brookhaven National Laboratory, Howard University

Abstract Preview: Purpose: To compare the efficacy of 225Ac to 90Y for local cancer therapy by quantifying DNA damage using Monte Carlo simulations.
Methods: The TOPAS n-Bio toolkit was used to simulate the irradiat...

Geant4-DNA Simulation of Human Breast Cancer Cells Line MCF7 Irradiation with 213bi As Targeted Radionuclides

Authors: Hamid Abdollahi Nasehabad, Mehrangiz Amiri, Mohammad Reza Deevband, Faraz Kalantari, Milad Peer-Firozjaei, Ali Shabestani Monfared, Ehsan Tajikmansoury

Affiliation: Biomedical Engineering and Medical Physics Department, School of Medicine, Shahid Beheshti University of Medical Sciences, Department of Radiology, University of British Columbia, Department of Radiation Oncology, University of Arkansas for Medical Sciences (UAMS), Department of Radiobiology and Medical Physics, Babol University of Medical Sciences, 1. Department of Radiobiology and Medical Physics, Babol University of Medical Sciences, Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine

Abstract Preview: Purpose:
Targeted radionuclide therapy (TRNT) with 213Bi- labeled radiopharmaceuticals is a promising approach in targeted alpha and beta therapy for cancer. This study aims to assess double-strand...

Modeling Alpha-Particle Dose from Diffusing Alpha-Emitters Radiation Therapy in Tissue with Inhomogeneous Diffusion

Authors: Lior Arazi, Gil'ad N. Cohen, Antonio L. Damato, Irene P. Zhang

Affiliation: Unit of Nuclear Engineering, Faculty of Engineering Sciences, Ben-Gurion University of the Negev, NYU Grossman School of Medicine, Memorial Sloan Kettering Cancer Center

Abstract Preview: Purpose: Diffusing alpha-emitters Radiation Therapy (β€œAlpha DaRT”) is a promising new radiation therapy modality for treating bulky tumors. The dose delivered by Alpha-DaRT sources is dependent on the...