Mitsubishi Electric Achieves World's First Mechanism for Elucidating Ozone Oxidation Enhanced with Negative Ions [Yahoo! Finance]
MITSUBISHI ELEC UNSP/ADR (MIELY)
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mitsubishielectric.com/company/ir/index.html
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Source: Yahoo! Finance
TOKYO, December 15, 2025 BUSINESS WIRE Mitsubishi Electric Corporation (TOKYO: 6503) announced today that in collaboration with Professor Toshiaki Kamachi and colleagues from the School of Life Science and Technology at Institute of Science Tokyo (Science Tokyo) they have achieved the world's first mechanism for elucidating the combined use of negative ions to enhance the oxidative action of ozone. In their joint study, they discovered that dissolving negative ions in the moisture surrounding viruses and other microorganisms lowers the pH due to nitrate-containing components derived from the negative ions, which in turn enhances the oxidative action of ozone in the moisture, enabling a strong reduction of viruses and bacteria even at low ozone concentrations. Mitsubishi Electric confirmed the reduction of bacteria and odors in low ozone concentrations of 50 parts per billion (ppb) in addition to specific viruses reported previously. Buildings are becoming more airtight and better i
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