ArticleScientific reports2019
Radiation Dosimetry of Inhaled Radioactive Aerosols: CFPD and MCNP Transport Simulations of Radionuclides in the Lung.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Source-Specific Radioactivity and Oxidative Potential of Urban PM2.5.Environmental science & technology · 2026Article
- Geometry-conditioned diffusion generation of Lagrangian particle trajectories in human airways.Research square · 2026Article
- Experimentally Informed Numerical Simulations of Spray Deposition and Runoff Doses in a 10-Day-Old Nose Model.Pharmaceuticals (Basel, Switzerland) · 2026Article
- Exploratory application of DMD for particle deposition and fluid field in the respiratory tract.Journal of aerosol science · 2026Article
- Dual-locked targeted alpha-emitter enhanced tumor immunotherapy via Diels-Alder reaction-based self-immolative molecular cage strategy.Military Medical Research · 2025Article
- Improved aerosol deposition predictions in human upper respiratory tract using coupled mesh phantom-based computational model.Scientific reports · 2025Article
- Computational multiphysics modeling of radioactive aerosol deposition in diverse human respiratory tract geometries.Communications engineering · 2024Article
- Detecting radioactive particles in complex environmental samples using real-time autoradiography.Scientific reports · 2024Article
- Article
- Prenatal Exposure to Ambient Particle Radioactivity and Fetal Growth in Eastern Massachusetts.Air quality, atmosphere, & health · 2023Article
- Public Health Decision Making in the Case of the Use of a Nuclear Weapon.International journal of environmental research and public health · 2022Article
- Health Effects of Particulate Uranium Exposure.Toxics · 2022Review
- Human exposure to metals in consumer-focused fused filament fabrication (FFF)/ 3D printing processes.The Science of the total environment · 2022Review
- Liquid Film Translocation Significantly Enhances Nasal Spray Delivery to Olfactory Region: A Numerical Simulation Study.Pharmaceutics · 2021Article
- SARS COV-2 virus-laden droplets coughed from deep lungs: Numerical quantification in a single-path whole respiratory tract geometry.Physics of fluids (Woodbury, N.Y. : 1994) · 2021Article
- Numerical investigation of aerosol transport in a classroom with relevance to COVID-19.Physics of fluids (Woodbury, N.Y. : 1994) · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Despite extensive efforts in studying radioactive aerosols, including the transmission of radionuclides in different chemical matrices throughout the body, the internal organ-specific radiation dose due to inhaled radioactive aerosols has largely relied on experimental deposition data and simplified human phantoms. Computational fluid-particle dynamics (CFPD) has proven to be a reliable tool in characterizing aerosol transport in the upper airways, while Monte Carlo based radiation codes allow accurate simulation of radiation transport. The objective of this study is to numerically assess the radiation dosimetry due to particles decaying in the respiratory tract from environmental radioactive exposures by coupling CFPD with Monte Carlo N-Particle code, version 6 (MCNP6). A physiologically realistic mouth-lung model extending to the bifurcation generation G9 was used to simulate airflow and particle transport within the respiratory tract. Polydisperse aerosols with different distributions were considered, and deposition distribution of the inhaled aerosols on the internal airway walls was quantified. The deposition mapping of radioactive aerosols was then registered to the respiratory tract of an image-based whole-body adult male model (VIP-Man) to simulate radiation transport and energy deposition. Computer codes were developed for geometry visualization, spatial normalization, and source card definition in MCNP6. Spatial distributions of internal radiation dosimetry were compared for different radionuclides (
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