Nano-silver - feasibility and challenges for human health risk assessment based on open literature

Frans M Christensen, Helinor J Johnston, Vicki Stone, Robert J Aitken, Steve Hankin, Sheona Peters, Karin Aschberger

    Research output: Contribution to journalArticlepeer-review

    136 Citations (Scopus)


    This study aims at investigating feasibility and challenges associated with conducting a human health risk assessment for nano-silver based on the open literature by following an approach similar to a classical regulatory risk assessment. Gaps in the available data set, both in relation to exposures and hazard, do not allow reaching any definite conclusions that could be used for regulatory decision making. Results show that repeated inhalation in the workplace and possibly consumer inhalation may cause risks. Also (uncontrolled) nano-silver drug intake and burn treatment of large parts of the body with wound dressings may cause risks. Main future work should focus on generating occupational and consumer exposure data, as well as toxicity data on absorption (are particles or only ions absorbed?), information on genetoxicity, and further information on the toxicity following inhalation exposure to sizes and agglomeration states as uncounted in the workplace.
    Original languageEnglish
    Pages (from-to)284-295
    Number of pages12
    Issue number3
    Publication statusPublished - 2010


    • Nano-silver
    • risk assessment
    • feasibility
    • gaps


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