Wednesday 2 September 2020

BioLargo’s CupriDyne Technology Shown Capable of Complete SARS-CoV-2 Inactivation in 10 Minutes

Westminster, CA – September 2, 2020 – BioLargo, Inc. (OTCQB:BLGO), developer of sustainable technologies and a full-service environmental engineering company, today announced an important milestone in its ongoing efforts to bring to market a safe and effective antiviral disinfectant based on its patented CupriDyne® technology. In a third-party study conducted by researchers at the Galveston National Laboratory (GNL) at the University of Texas Medical Branch (UTMB), a modified CupriDyne formula was shown to cause complete inactivation of SARS-CoV-2 (the COVID-19 virus) in 10 minutes – roughly the same performance observed with highly concentrated bleach.

BioLargo had previously disclosed that its CupriDyne technology was proven capable of reducing SARS-CoV-2 titers by 99% after 30 minutes, with complete inactivation occurring after 60 minutes of CupriDyne exposure. Since that time, BioLargo scientists worked to modify the CupriDyne formula to achieve faster bacterial and viral inactivation in order to prepare to file for an EPA registration for a new disinfecting product (to be named) that is based on the CupriDyne technology. These new results indicate that those efforts were successful, and that the technology is now capable of total antiviral disinfection in 10 minutes against SARS-CoV-2.

BioLargo President & CEO Dennis P. Calvert commented, “We believe that the future is bright for our CupriDyne-based disinfectants. We intend to apply for registration with the EPA once product designs are finalized.  It is important to understand that we are achieving these extraordinary results at a significantly lower concentration than that of bleach in the same test protocol. We have retained a leading EPA consulting firm to lead us in the EPA registration process and intend to move ahead as soon as possible. These products are a great addition to our expanding portfolio.”

About BioLargo, Inc.

BioLargo, Inc. is an innovator of technology-based products and environmental engineering solutions provider driven by a mission to “make life better”.  We feature unique disruptive solutions to deliver clean air, clean water and a clean, safe environment ( Our engineering division features experienced professional engineers dedicated to integrity, reliability, and environmental stewardship ( Our industrial odor control division, ONM Environmental, Inc. ( features CupriDyne Clean Industrial Odor Eliminator (, which eliminates the odor-causing compounds and VOCs rather than masking them, and is now winning over leading companies in the solid waste handling and wastewater industries and other industries that contend with malodors and VOCs. Our subsidiary BioLargo Water ( develops the Advanced Oxidation System "AOS," a disruptive industrial water treatment technology designed to eliminate waterborne pathogens and recalcitrant contaminants with better energy-efficiency and lower operational costs than incumbent technologies. We are a minority stockholder of and technology licensor to our subsidiary Clyra Medical which features its breakthrough product Clyraguard (, an FDA Registered, hospital grade disinfectant for personal protective equipment including facemasks, proven 99.999% effective and safe for skin, as well as its other products offering gentle solutions for chronic infected wounds to promote infection control and regenerative tissue therapy.

About Galveston National Laboratory/UTMB

The Galveston National Laboratory (GNL) is a sophisticated high containment research facility that serves as a critically important resource in the global fight against infectious diseases. The GNL is located on the campus of the University of Texas Medical Branch and operates under the umbrella of UTMB’s Institute for Human Infections and Immunity.

Researchers at the GNL are internationally known for their expertise working with pathogens including Ebola and Marburg, emerging infectious diseases like MERS, and mosquito borne viruses like Zika and Chikungunya. The Galveston National Laboratory is home to research that is funded by NIAID, the U.S. Department of Defense, the U.S. Centers for Disease Control & Prevention and other federal agencies, as well as academic partners, private foundations, and the Biopharmaceutical industry.

Contact Information

Dennis P. Calvert

President and CEO, BioLargo, Inc.


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