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UV NEWS

What's moving in the UV industry

Curated UV-industry signals — vendor-neutral. From standards and studies to market moves and application cases. We publish when there is something worth your time, not on a fixed schedule.

All topics 7 Drinking-Water Treatment 1 UV-LED Systems 2 Far-UVC 3 Measurement / Validation 1

Latest UV news

Scientific Reports (Nature Portfolio)

265 nm — the UV-C LED germicidal optimum, and why the damage doesn't reverse

A new Scientific Reports study compared five UV-C LED wavelengths against drinking-water indicator bacteria. 265 nm gave the fastest kill — matching DNA's absorption peak — every wavelength cleared up to 6-log below 7 mJ/cm² in clean buffer, and neither E. coli nor E. faecium repaired the damage afterwards.

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