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The Effect of Particle Size on the Regional Deposition of Inhaled Aerosols in the Human Respiratory Tract
Abstract
The effect of particle size on the regional deposition of aerosols inhaled through the mouth was determined in 93 studies on 34 subjects. The test aerosols were spherical monodisperse insoluble iron oxide particles (specific gravity 2.5) containing radioactive tags, ranging in median unit density diameter from 2.1 to 12.5-microns (σ ≅ 1.08). Particles deposited on the bronchial tree were translocated to the stomach by mucociliary clearance which was essentially complete within the first day. The proportion of the initial lung burden of radioactive particles removed during the first 24 hours provided a functional measure of tracheo-bronchial deposition. A portion of the inhaled aerosol was deposited in the head by impaction. As an impactor, the tracheobronchial tree is more efficient. For each individual subject, head and tracheobronchial deposition increased with increasing particle size. Alveolar depositions decreased with size for particles larger than 4-microns.
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Citations
Cited by
Deposition, retention, and clearance of inhaled particles.
Lippmann, M., Yeates, D. B., & Albert, R. E. (1980) · Occupational and Environmental Medicine · doi:10.1136/oem.37.4.337 · Cited by 557
Self-citationIntercomparison of experimental regional aerosol deposition data
STAHLHOFEN, W., RUDOLF, G., & JAMES, A. C. (1989) · Journal of Aerosol Medicine · doi:10.1089/jam.1989.2.285 · Cited by 423
Aerosol deposition considerations in inhalation therapy
Newman, S. P. (1985) · Chest · doi:10.1378/chest.88.2.152s · Cited by 264
Deposition and clearance of inhaled particles.
Stuart, B. O. (1984) · Environmental Health Perspectives · doi:10.1289/ehp.8455369 · Cited by 255
Interpretation of "24 Hour Lung Retention" in Studies of Mucociliary Clearance
SMALDONE, G. C., PERRY, R. J., BENNETT, W. D., MESSINA, M. S., ZWANG, J., & ILOWITE, J. (1988) · Journal of Aerosol Medicine · doi:10.1089/jam.1988.1.11 · Cited by 105
Metadata
- Authors
- Lippmann, M., & Albert, R. E.
- Venue
- American Industrial Hygiene Association Journal
- Publisher
- Informa UK Limited
- Published
- 1969-05
- Volume
- 30
- Issue
- 3
- Pages
- 257-275
- ISSN
- 0002-8894 (ISSN-L)
- OpenAlex
- W2169425310
- Cited by
- 348
- References
- 0
- FWCI
- 16.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lippmann, M., & Albert, R. E. (1969). The Effect of Particle Size on the Regional Deposition of Inhaled Aerosols in the Human Respiratory Tract. American Industrial Hygiene Association Journal. https://doi.org/10.1080/00028896909343120
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
