Abstract
Metallic gold is not completely inert towards biological tissues and cells. Cytotoxicity and immunotoxicity are concerns in various gold applications. This study shows that treating the surface of gold with OH• radicals renders the gold surface non-cytotoxic, as well as prevents any biocorrosion of gold implants by an immune reaction. The detoxification is discussed as resulting from the selective dissolution of active gold atoms from the surface.
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Acknowledgements
Unfortunately, we cannot retrace the current addresses of Solveigh Krusekopf and Bich Thu Tran, whom we regard as co-authors, but because the journal does not accept co-authors without addresses, we have to acknowledge their contribution in that way.
Funding
The authors acknowledge kind support by the European Social Fund and the European Regional Development Fund. K. Vahl and B. T. Tran were supported by a fellowship of the Alfried Krupp Wissenschaftskolleg Greifswald.
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Vahl, K., Utesch, T., Hasse, U. et al. Detoxification of gold surfaces by OH• treatment. Gold Bull 52, 99–103 (2019). https://doi.org/10.1007/s13404-019-00257-x
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DOI: https://doi.org/10.1007/s13404-019-00257-x