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Published July 1, 2010 | Version v1
Journal article Open

Photobactericidal effects of TiO2 thin films at low temperatures - a preliminary study

  • 1. Innovation, Design and Sustainability (IDeaS) Research Institute, Robert Gordon University, Schoolhill, Aberdeen, AB10 1FR, UK

Description

The efficacy of TiO2 photocatalysis for the destruction of pathogenic bacteria has been demonstrated by a number of groups over the past two decades. Pathogenic bacteria represent a significant hazard for the food and drink industry. Current practices in this industry dictate that rigorous sanitizing regimes must be regularly implemented resulting in lost production time. The incorporation of a TiO2 antibacterial surface coating in this setting would be highly desirable. In this paper we report a preliminary study of the efficacy of a TiO2 coating, doped with the lanthanide, neodymium, at low temperature conditions such as those utilised in the food and drink sector. The rapid destruction of Staphylococcus aureus, a common foodborne pathogen, was observed using TiO2 films coated to glass and steel substrates.

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Cushnie et al (2010) post-peer reviewed version.pdf

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