Wspólnotowy Serwis Informacyjny Badan i Rozwoju - CORDIS

Potential application for internally located UV-C light sources to reduce biofouling

Laboratory trials were conducted with commercially available, Pen-Ray® low-pressure UV-C light sources of different intensities. These experiments mimicked the effects of having UV-C light sources located behind the optical window in an instrument that needs protecting from biofouling. Results showed that low levels of pulsed UV-C light shining through an optical window (Spectrosil®) and illuminating the surface that needs protecting can significantly reduce bacterial fouling on the optical surface.

Although at the developmental stage, results indicated that when commercial UV-C light emitting diodes (with low power requirements and high UV-C intensity) become commercially available that this may be an effective antifouling technique which could be located internally within optical instruments. Further research and development is required before this technique is at the level of commercial exploitation.

Following further R&D results will be disseminated in the form of peer-reviewed publications.

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Reported by

Marine biological research station
University of London, University Marine Biological Station
KA28 0HA Millport
United Kingdom
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