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    Soy biodiesel exhaust is more toxic than mineral diesel exhaust in primary human airway epithelial cells

    76943.pdf (943.0Kb)
    Access Status
    Open access
    Authors
    Landwehr, K.R.
    Hillas, J.
    Mead-Hunter, Ryan
    O'Leary, R.A.
    Kicic, Anthony
    Mullins, Ben
    Larcombe, Alexander
    Date
    2019
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Landwehr, K.R. and Hillas, J. and Mead-Hunter, R. and O'Leary, R.A. and Kicic, A. and Mullins, B.J. and Larcombe, A.N. 2019. Soy biodiesel exhaust is more toxic than mineral diesel exhaust in primary human airway epithelial cells. Environmental Science and Technology. 53 (19): pp. 11437-11446.
    Source Title
    Environmental Science and Technology
    DOI
    10.1021/acs.est.9b01671
    ISSN
    0013-936X
    Faculty
    Faculty of Health Sciences
    School
    School of Public Health
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP170104346
    Remarks

    This document is the Accepted Manuscript version of a Published Work that appeared in final form in Environmental Science and Technology, copyright © American Chemical Society, after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.est.9b01671.

    URI
    http://hdl.handle.net/20.500.11937/76699
    Collection
    • Curtin Research Publications
    Abstract

    © 2019 American Chemical Society. As global biodiesel production increases, there are concerns over the potential health impact of exposure to the exhaust, particularly in regard to young children who are at high risk because of their continuing lung development. Using human airway epithelial cells obtained from young children, we compared the effects of exposure to exhaust generated by a diesel engine with Euro V/VI emission controls running on conventional diesel (ultra-low-sulfur mineral diesel, ULSD), soy biodiesel (B100), or a 20% blend of soy biodiesel with diesel (B20). The exhaust output of biodiesel was found to contain significantly more respiratory irritants, including NOx, CO, and CO2, and a larger overall particle mass. Exposure to biodiesel exhaust resulted in significantly greater cell death and a greater release of immune mediators compared to both air controls and ULSD exhaust. These results have concerning implications for potential global health impacts, particularly for the pediatric population.

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      Landwehr, K.R.; Hillas, J.; Mead-Hunter, Ryan ; King, A.; O'Leary, R.A.; Kicic, Anthony ; Mullins, Ben ; Larcombe, Alexander (2022)
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