Stochastic Lung Model

HUN-REN Centre for Energy Research

Environmental Physics Department

Extensions of the model and specific applications

Bronchial clearance

Hofmann, W., Sturm, R. Stochastic model of particle clearance in human bronchial airways. J. Aerosol Med. 17, 73-89 (2004).

Three-dimensional model

Hofmann, W., Sturm, R., Fleming, J.S., Conway, J.H., Bolt, L. Simulation of three-dimensional particle deposition patterns in human lungs and comparison with experimental SPECT data. Aerosol Sci. Technol. 39, 771-781 (2005).

Surface deposition density

Hofmann, W., Winkler-Heil, R, Balashazy, I. The effect of morphological variability on surface deposition densities of inhaled particles in human bronchial and acinar airways. Inhal. Toxicol. 18, 809-819 (2006).

Aerosol bolus dispersion

Hofmann, W., Pawlak, E., Sturm, R. Semi-empirical stochastic model of aerosol bolus dispersion in the human lung. Inhal. Toxicol. 20, 1059-1073 (2008).

Non-spherical particles

Hofmann, W., Morawska, L., Winkler-Heil, R., Moustafa, M. Deposition of combustion aerosols in the human respiratory tract: Comparison of theoretical predictions with experimental data considering non-spherical shape. Inhal. Toxicol. 21, 1154-1164 (2009).

Coagulation of high aerosol concentrations

Pichelstorfer, L., Winkler-Heil, R., Hofmann, W. Lagrangian/Eulerian model of coagulation and deposition of inhaled particles in the human lung. J. Aerosol Sci. 64, 125-142 (2013).

Hygroscopic growth

Winkler-Heil, R., Ferron, G., Hofmann, W. Calculation of hygroscopic particle deposition in the human lung. Inhal. Toxicol. 26, 193-206 (2014).

Lobe-specific deposition

Winkler-Heil, R., Hussain, M., Hofmann, W. Predictions of inter- and intra-subject lobar deposition patterns of inhaled particles in a five-lobe lung model. Inhal. Toxicol. 33, 96-112 (2021).

Intersubject variability

Hofmann, W., Asgharian, B., Winkler-Heil, R. Modeling intersubject variability of particles deposition in human lungs. J. Aerosol Sci. 73, 219-235 (2002).

Lung diseases

Balashazy, I. et al. Aerosol drug delivery optimization by computational methods for the characterization of total and regional deposition of therapeutic aerosols in the respiratory system. Curr. Comput. Aided-Drug Des. 3, 13–32 (2007).

Sturm, R., Hofmann, W. Stochastic simulation of alveolar particle deposition in lungs affected by different types of emphysema. J. Aerosol Med. 17, 357-372 (2002).

Füri, P. et al. Comparison of airway deposition distributions of particles in healthy and diseased workers in an Egyptian industrial site. Inhal. Toxicol. 29, 147–159 (2017).

Radon lung dosimetry

Füri, P., Farkas, Á., Madas, B.G. et al. The degree of inhomogeneity of the absorbed cell nucleus doses in the bronchial region of the human respiratory tract. Radiat Environ Biophys 59, 173–183 (2020).

Hofmann, Werner & Winkler-Heil, Renate. (2011). Radon lung dosimetry models. Radiation protection dosimetry. 145. 206-12. 10.1093/rpd/ncr059.

Cigarette smoke deposition (particles and vapours)

Lukas Pichelstorfer, Renate Winkler-Heil, Michael Boy, Werner Hofmann, Aerosol dynamics simulations of the anatomical variability of e-cigarette particle and vapor deposition in a stochastic lung, Journal of Aerosol Science, Volume 158, 2021, 105706, ISSN 0021-8502