Photoinduced curcumin derivative-coatings with antibacterial properties

The development of new antibacterial coating (against Escherichia coli and Staphylococcus aureus ) with the use of a natural dye (curcumin) and epoxidized soybean oil, according to a photochemistry process has been investigated. Curcumin has been used both as a photosensitizer and an antibacterial a...

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Bibliographic Details
Published in:RSC advances 2015, Vol.5 (104), p.85214-85224
Main Authors: Condat, M., Mazeran, P.-E., Malval, J.-P., Lalevée, J., Morlet-Savary, F., Renard, E., Langlois, V., Abbad Andalloussi, S., Versace, D.-L.
Format: Article
Language:English
Subjects:
Chemical Sciences
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Summary:The development of new antibacterial coating (against Escherichia coli and Staphylococcus aureus ) with the use of a natural dye (curcumin) and epoxidized soybean oil, according to a photochemistry process has been investigated. Curcumin has been used both as a photosensitizer and an antibacterial agent under visible light illumination. The photoinduced coatings show good adherence properties on an inox substrate and a high thermal stability to 375 °C. Under visible light activation, singlet oxygen ( 1 O 2 ) could be generated from the curcumin derivative-coatings, thus inhibiting by 99% and 95% the growth of Staphylococcus aureus and Escherichia coli , respectively, even after 48 h of incubation.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA19499G