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405nm Antimicrobial Blue Light
Evaluating the Reality Behind the Hype.
6/15/2026
405nm visible-spectrum LEDs are heavily marketed to the food, medical, and commercial sectors as 100% safe, UV-free continuous disinfection systems.
However, a rigorous, physics-first review reveals critical omissions. From inevitable UV-A "spillover" due to standard LED emission curves to the mathematical impossibility of delivering meaningful static doses in dynamic environments, the marketing claims often outpace the science.
In this week's Engineering Lens, Miranova Technologies cuts through the hype to break down the optical, legal, and photobiological realities of 405nm installations.
👇 Read the full breakdown below.👇
As always, if you are facing a unique decontamination or efficiency challenge, just reach out to contact@miranova.tech to know more, and discuss further this topic!
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MIRANOVA TECHNOLOGIES
Trelleborggade 8
2150 Nordhavn, Denmark
CVR-number: 46161963