Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/31586
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    Title: Assessment of Indoor Bioaerosols in Public Spaces by Real-Time Measured Airborne Particles
    Authors: Huang, Hsiao-Lin
    Lee, Mei-Kuei
    Shih, Hao-Wun
    Contributors: Chia Nan Univ Pharm & Sci, Dept Occupat Safety & Hlth
    Keywords: Suspended particulate
    Biohazard
    Aerosol
    Indoor air
    PM2.5
    Date: 2017-15
    Issue Date: 2018-11-30 15:49:15 (UTC+8)
    Publisher: Taiwan Assoc Aerosol Res-Taar
    Abstract: Humans spend a considerable amount of time indoors, and indoor biological airborne pollutants may harm human health. Active bioaerosol samplers and conventional microbiological culture methods, which are widely applied in studies of airborne microbial contamination, are not only unable to perform continuous monitoring over long periods, but are also time-consuming and expensive. In order to rapid assess indoor airborne microbial contamination, multiple linear regression models were constructed by statistically analyzing the measured bioaerosol samples and the real-time measured mass and number concentrations of airborne particles using a direct reading instrument from 43 air-conditioned public spaces. There were significant positive correlations of indoor airborne bacterial and fungal concentrations with indoor size-segregated particle mass and number concentrations. The predictive power of the model was sufficient for predicting indoor bacterial concentrations from the indoor and outdoor size-segregated particle number concentrations as independent variables. Particle number concentration outperforms particle mass concentration as an independent variable in predicting indoor bioaerosol concentrations. The prediction model for indoor bacterial bioaerosol levels constructed in this study could facilitate a rapid assessment of potential airborne bacterial contamination via the simple and feasible measurement of particle number concentration, thus helping to improve the management and maintenance of indoor air quality.
    Relation: Aerosol and Air Quality Research, v.17, n.9, pp.2276-2288
    Appears in Collections:[Dept. of Occupational Safety] Periodical Articles

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