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In 2008, copper alloys were the first metals to be recognized for their antimicrobial properties by the US Environmental Protection Agency (EPA), which supports the claim that they kill more than 95% of the bacteria that cause healthcare-associated infections (HCAIs) within two hours of contact with copper.

Science suggests that copper affect bacteria in two sequential steps: the first step is a direct interaction between the copper and the bacterial outer membrane, causing the membrane to rupture. The second is related to the holes in the outer membrane, through which the cell loses vital nutrients and water, causing a general weakening of the cell.

Technical specifications of Copper Help insoles with copper foil. Read more...