How and why can some metals like copper be antibacterial?
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IIRC copper as it oxidizes tends to yank all the oxygen out pf microlife that gets too close to it. Copper is basically toxic to microbes, it can be very disruptive to them. It doesn’t affect us that much because we can easily afford to lose the cells that get too close to copper and anyway, we have a protective layer of inert cells in the outer skin that prevent serious contact harm.
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