Modeling the deposition of bioaerosols with variable size and shape in the human respiratory tract – A review

Abstract The behavior of bioaerosol particles with various size and shape in the human respiratory tract was simulated by using a probabilistic model of the lung and an almost realistic mathematical approach to particle deposition. Results obtained from the theoretical computations clearly show that biogenic particle deposition in different lung compartments does not only depend on physical particle properties, but also on breathing mode (nose or mouth breathing) and inhalative flow rate (=tidal volume × breathing frequency/30). Whilst ultrafine ( 5 μm) particles tend to accumulate in the extrathoracic region and the uppermost airways of the tracheobronchial tree, particles with intermediate size are characterized by higher penetration depth, leading to their possible accumulation in the lung alveoli. Due to their deposition in deep lung regions and insufficient clearance, some bioaerosol particles may induce severe lung diseases ranging from infections, allergies, and toxic reactions to cancer.

• Publication year

  2012

• Venue

  Journal of Advanced Research

• Publication date

  2012-10-01

• Fields of study

  Medicine, Chemistry, Environmental Science

• Identifiers
  DOI 10.1016/J.JARE.2011.08.003
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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