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ASU scientists discover how blue and green clays kill bacteria

Posted by Shawna Rothery on


After testing dozens of samples, Williams and her team identified a blue-colored clay from the Oregon Cascades that proved to be highly antibacterial. The research reported in the paper shows that it works against a broad spectrum of human pathogens, including antibiotic-resistant strains such as methicillin-resistant Staphylococcus aureus (MRSA).

Williams said, "Discovery of how natural clays kill human pathogens may lead to a new economic use of such clays and also to new drug designs."

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