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Natural antibacterial clays, when hydrated and applied topically, kill human pathogens including antibiotic resistant strains proliferating worldwide. Only certain clays are bactericidal; those containing soluble reduced metals and expandable clay

Natural antibacterial clays, when hydrated and applied topically, kill human pathogens including antibiotic resistant strains proliferating worldwide. Only certain clays are bactericidal; those containing soluble reduced metals and expandable clay minerals that absorb cations, providing a capacity for extended metal release and production of toxic hydroxyl radicals. Here we show the critical antibacterial components are soluble Fe[superscript 2+] and Al[superscript 3+] that synergistically attack multiple cellular systems in pathogens normally growth-limited by Fe supply.

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    Date Created
    • 2016-01-08
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    Identifier
    • Digital object identifier: 10.1038/srep19043
    • Identifier Type
      International standard serial number
      Identifier Value
      2045-2322
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    Morrison, K. D., Misra, R., & Williams, L. B. (2016). Unearthing the Antibacterial Mechanism of Medicinal Clay: A Geochemical Approach to Combating Antibiotic Resistance. Scientific Reports, 6(1). doi:10.1038/srep19043

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