The Hay Fever Man - Nobuyuki Matsui - (1)
Photocatalysts do more than clean windows and toilets
Nobuyuki Matsui is a Shizuoka-based amuse-ment industry businessman who also happens to be interested in using photocatalysis to reduce the symptoms of hay fever and other environment-related allergies. After conducting some personal experiments with commer-cially available photocatalytic products, he found that although they had some of the advertised antimicrobial effect, the strength and duration of that effect was less than is necessary to get the job done if the product uses natural light, and now electrical power. He also questioned why TiO2 couldn’t work at night, requiring as it does a high level of UV light to work.
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