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    Reduced cytotoxicity of silver ions to mammalian cells at high concentration due to the formation of silver chloride

    195633_195633.pdf (1.732Mb)
    Access Status
    Open access
    Authors
    Zhang, S.
    Du, C.
    Wang, Z.
    Han, X.
    Zhang, Kun
    Liu, Lihong
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Zhang, Shaokun and Du, Chan and Wang, Zhaizi and Han, Xinguang and Zhang, Kun and Liu, Lihong. 2013. Reduced cytotoxicity of silver ions to mammalian cells at high concentration due to the formation of silver chloride. Toxicology in Vitro. 27 (2): pp. 739-744.
    Source Title
    Toxicology in Vitro
    DOI
    10.1016/j.tiv.2012.12.003
    ISSN
    0887-2333
    Remarks

    This study was supported by Australian Research Council under grant number DP110104599.

    NOTICE: This is the author’s version of a work that was accepted for publication in Toxicology in Vitro. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Toxicology in Vitro, Vol. 27, Issue 2, (2013). doi: 10.1016/j.tiv.2012.12.003

    URI
    http://hdl.handle.net/20.500.11937/45701
    Collection
    • Curtin Research Publications
    Abstract

    Silver-containing antimicrobial agents are used in various medical products. However, their toxicity to mammalian cells has not been sufficiently evaluated. Numerous studies have unveiled evidence of significant antimicrobial properties associated with Ag ions. In cell culture media or human body fluids, the free Ag+ has rich opportunities to complex with Cl-. Surprisingly, studies on the toxicity of solid form AgCl(s) to mammalian cells are quite limited. In this study, we evaluated the cytotoxicity of Ag ions and silver chloride colloids on red blood cells and human mesenchymal stem cells (hMSCs). The adverse effects of silver chloride on red blood cells and hMSC were viewed by SEM and LIVE/DEAD viability staining, respectively. Among different tested chemical forms of silver, AgCl was identified to be the least cytotoxic. Moreover, a decline in the cytotoxicity of AgCl at significantly high concentrations was observed. We attributed the reduced cytotoxicity to aggregated AgCl which limited the bioavailability of free Ag+ ions.

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