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the claim

Brass surfaces kill bacteria through the antimicrobial action of copper ions.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that brass surfaces kill bacteria through the antimicrobial action of copper ions?

Yes. A peer-reviewed review states that cupric and cuprous ions arising from brass surfaces are instrumental in the antimicrobial effectiveness, causing oxidative stress and membrane damage in bacteria. Other sources confirm copper ions from metallic copper surfaces kill bacteria, though they do not specifically address brass.

Verdict: SUPPORTED · 6 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 6
Antimicrobial properties of copper - Wikipedia
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Antimicrobial properties of copper - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Antimicrobial_properties_of_copper

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More for · 5
Antimicrobial metallic copper surfaces kill <i>Staphylococcus haemolyticus</i> via membrane damage
2012
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Santo, C. E., Quaranta, D., & Grass, G. (2012). Antimicrobial metallic copper surfaces kill <i>Staphylococcus haemolyticus</i> via membrane damage. doi.org. https://doi.org/10.1002/mbo3.2

Brass Alloys: Copper-Bottomed Solutions against Hospital-Acquired Infections?
2021
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Brass Alloys: Copper-Bottomed Solutions against Hospital-Acquired Infections?. (2021). shs.hal.science. https://doi.org/10.3390/antibiotics10030286

Inactivation of Norovirus on Dry Copper Alloy Surfaces
2013
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Warnes, S. L. & Keevil, C. W. (2013). Inactivation of Norovirus on Dry Copper Alloy Surfaces. doi.org. https://doi.org/10.1371/journal.pone.0075017

Copper as an antimicrobial agent: recent advances.
2021
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I, S., IP, P., & E, A. (2021). Copper as an antimicrobial agent: recent advances.. doi.org. https://doi.org/10.1039/d1ra02149d

The Use of Copper as an Antimicrobial Agent in Health Care, Including Obstetrics and Gynecology.
2019
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LP, A., R, T., & AH, S. (2019). The Use of Copper as an Antimicrobial Agent in Health Care, Including Obstetrics and Gynecology.. doi.org. https://doi.org/10.1128/cmr.00125-18

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