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Human Inhalation Exposure to Aerosol and Health Effect: Aerosol Monitoring and Modelling Regional Deposited Doses.

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  • المؤلفون: Oh HJ;Oh HJ;Oh HJ;Oh HJ; Ma Y; Ma Y; Ma Y; Kim J; Kim J; Kim J
  • المصدر:
    International journal of environmental research and public health [Int J Environ Res Public Health] 2020 Mar 16; Vol. 17 (6). Date of Electronic Publication: 2020 Mar 16.
  • نوع النشر :
    Journal Article; Research Support, Non-U.S. Gov't
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: MDPI Country of Publication: Switzerland NLM ID: 101238455 Publication Model: Electronic Cited Medium: Internet ISSN: 1660-4601 (Electronic) Linking ISSN: 16604601 NLM ISO Abbreviation: Int J Environ Res Public Health Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: Basel : MDPI, c2004-
    • الموضوع:
      Aerosols*/toxicity ; Air Pollutants*/toxicity ; Air Pollution, Indoor*; Aged ; Child ; Commerce ; Environmental Monitoring ; Humans ; Inhalation Exposure ; Nursing Homes ; Particle Size ; Particulate Matter ; Schools ; Seasons
    • نبذة مختصرة :
      Since poor air quality affects human health in the short and long term, much research has been performed on indoor and outdoor aerosol exposure; however, there is a lack of specific data on the exposure and health risks of inhalable aerosols that contain bioaerosol in different environments of human life. To investigate the potential exposure to inhalable aerosols (in the monitoring of particulate matter (PM) based on R modeling, variations of PM depend on the ventilation system and bioaerosols based on size distribution) in various environments, the special viability and culturability of bioaerosols and their deposition doses in the respiratory system were evaluated. We conducted exposure assessments on inhalable aerosols in various indoor environments (childcare facilities, schools, commercial buildings, elderly and homes). The fractions of PM (PM 10 , PM 4 and PM 2.5 ) were investigated and, for the bioaerosol, the viability, culturability, inhalation daily dose and the deposited dose of the aerosol in the respiratory system were calculated to evaluate the human health effects. For two years, the distribution of the indoor PM concentration was high in all PM fractions in schools and commercial buildings, and low in the elderly and at homes. For airborne bacteria, the highest concentrations were shown in the childcare facility during the four seasons, while airborne fungi showed high concentrations in the buildings during the spring and summer, which showed significant differences from other investigated environments (between the buildings and elderly and homes: p < 0.05). The viability and culturability for the bioaerosol showed no significant difference in all environments, and the correlation between inhalable PM and bioaerosol obtained from the six-stage impactor showed that the coefficient of determination (R 2 ) between coarse particles (PM 10-2.5 , the size of stage 2-3) and cultivable airborne bacteria ranged from 0.70 (elderly and homes) to 0.84 (school) during the summer season.
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    • Contributed Indexing:
      Keywords: aerosol monitoring; bioaerosol; fractions of particulate matter; inhalation exposure; modeling
    • الرقم المعرف:
      0 (Aerosols)
      0 (Air Pollutants)
      0 (Particulate Matter)
    • الموضوع:
      Date Created: 20200320 Date Completed: 20200922 Latest Revision: 20200922
    • الموضوع:
      20221213
    • الرقم المعرف:
      PMC7142517
    • الرقم المعرف:
      10.3390/ijerph17061923
    • الرقم المعرف:
      32187987