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Formal Assessment of Silverdyne®

SilverDyne® is a product intended for the treatment of drinking water for personal use. An advantage of silver over chlorine is that it is much more persistent in water and its efficacy is less influenced by soluble organic matter (Gerba, Silver as a Disinfectant).

The United States Environmental Protection Agency (USEPA, 1987), National Sanitation Foundation (NSF, 2006) and the World Health Organization (WHO, 2011) have recommendations for the reduction of bacteria, viruses and protozoan parasites for water treatment disinfectants and devices.

This study was conducted to assess the ability of SilverDyne® to reduce the numbers of an enteric bacterium and a bacterial virus. Raoultella terrigena (formally Klebsiella terrigena) and coliphage MS-2 were used as the test organisms in accordance with procedures out line in the United States Environmental Protection Agency Guide Standard for Protocol for Testing Microbiological Water Purifiers (USEPA, 1987).


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Charles P. Gerba is a professor in the Departments Soil, Water and Environmental Science (College of Life Sciences and Agriculture), Epidemiology and Environmental Health (College of Public Health) at the University of Arizona. He obtained his Ph.D. in Microbiology from the University of Miami, Florida and was a faculty member in the Department of Virology and Epidemiology at Baylor College of Medicine from 1974 to 1981.

He conducts research the transmission of pathogens by water, food and in health care environments. He has been an author on more than 500 articles including several books in environmental microbiology. He is a fellow of the American Academy of Microbiology, the American Association for the Advancement of Science and the International Water Association.

We Are Clean Water, LLC is USA based in Los Angeles California and the exclusive online distributor of SilverDyne®, a highly effective colloidal silver water purification product developed and sold since 2006 by World Health Alliance International.

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We encourage NGO's, churches, and other charitable organizations to provide SilverDyne® to those individuals and groups they serve.

Contact us for large quantities or industrial orders.