Lung bioaccessibility of contaminants in particulate matter of geological origin

Mert Guney, Robert P. Chapuis, Gerald J. Zagury

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Human exposure to particulate matter (PM) has been associated with adverse health effects. While inhalation exposure to airborne PM is a prominent research subject, exposure to PM of geological origin (i.e., generated from soil/soil-like material) has received less attention. This review discusses the contaminants in PM of geological origin and their relevance for human exposure and then evaluates lung bioaccessibility assessment methods and their use. PM of geological origin can contain toxic elements as well as organic contaminants. Observed/predicted PM lung clearance times are long, which may lead to prolonged contact with lung environment. Thus, certain exposure scenarios warrant the use of in vitro bioaccessibility testing to predict lung bioavailability. Limited research is available on lung bioaccessibility test development and test application to PM of geological origin. For in vitro tests, test parameter variation between different studies and concerns about physiological relevance indicate a crucial need for test method standardization and comparison with relevant animal data. Research is recommended on (1) developing robust in vitro lung bioaccessibility methods, (2) assessing bioaccessibility of various contaminants (especially polycyclic aromatic hydrocarbons (PAHs)) in PM of diverse origin (surface soils, mine tailings, etc.), and (3) risk characterization to determine relative importance of exposure to PM of geological origin.

Original languageEnglish
Pages (from-to)24422-24434
Number of pages13
JournalEnvironmental Science and Pollution Research
Volume23
Issue number24
DOIs
Publication statusPublished - Dec 1 2016

Fingerprint

Particulate Matter
particulate matter
Impurities
Soils
Lung
pollutant
Tailings
Polycyclic aromatic hydrocarbons
Standardization
Animals
Soil
Health
Testing
Research Subjects
Inhalation Exposure
Poisons
Polycyclic Aromatic Hydrocarbons
assessment method
standardization
Research

Keywords

  • Contaminated soils
  • Inhalation exposure
  • Lung bioaccessibility
  • Metals and PAH
  • Particulate matter (PM)
  • Risk characterization

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Lung bioaccessibility of contaminants in particulate matter of geological origin. / Guney, Mert; Chapuis, Robert P.; Zagury, Gerald J.

In: Environmental Science and Pollution Research, Vol. 23, No. 24, 01.12.2016, p. 24422-24434.

Research output: Contribution to journalArticle

Guney, Mert ; Chapuis, Robert P. ; Zagury, Gerald J. / Lung bioaccessibility of contaminants in particulate matter of geological origin. In: Environmental Science and Pollution Research. 2016 ; Vol. 23, No. 24. pp. 24422-24434.
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