PHOTODYNAMIC CONTROL OF MICROBIAL GROWTH ON SURFACES

Gabriele Berg (Inventor), Stefan Liebminger (Inventor), Lisa Oberauner (Inventor), Thomas Klein (Inventor), Roland Stampf (Inventor)

Research output: Patent

Abstract

Methods and compositions for controlling microbial growth on a surface to be treated, comprising : exposing the surface to be treated to electromagnetic radiation, the electromagnetic radiation being emitted from one or more electromagnetic radiation sources towards the surface, wherein the surface is provided with one or more photosensitizers being activatable by electromagnetic radiation, the electromagnetic radiation being emitted has a wavelength in a range between 400 nm and 800 nm,and the one or more photosensitizers exhibit antimicrobial efficacy upon activation by electromagnetic radiation. The invention is also directed to a corresponding arrangement, comprising a surface provided with one or more photosensitizers being activatable by electromagnetic radiation, one or more electromagnetic radiation sources being arranged to emit electromagnetic radiation towards the surface to be treated at a wavelength in a range between 400 nm and 800 nm,and wherein the photosensitizers are capable of exhibiting antimicrobial efficacy upon activation.
Original languageEnglish
Patent numberWO 2012085257
Publication statusSubmitted - 22 Dec 2010

Fields of Expertise

  • Human- & Biotechnology

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