Issue 37, 2013
From the journal:

RSC Advances

Innovative semi-transparent nanocomposite films presenting photo-switchable behavior and leading to a reduction of the risk of infection under sunlight

S. Rtimi,a   C. Pulgarin,*a   R. Sanjinesb  and  J. Kiwi*c  

* Corresponding authors

a Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-GPAO, Station 6, CH-1015, Lausanne, Switzerland
E-mail: cesar.pulgarin@epfl.ch
Fax: +41 (0)21 693 56 90
Tel: +41 (0)21 693 47 20

b Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-IPMC-LNNME, Bat PH, Station 3, CH-1015, Lausanne, Switzerland

c Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LPI, Bat Chimie, Station 6, CH1015, Lausanne, Switzerland
E-mail: john.kiwi@epfl.ch

Abstract

Novel sputtered polyethylene–TiO2 (PE–TiO2) thin films induce fast bacterial inactivation with concomitant photo-switchable hydrophobic to hydrophilic transition under light. RF-plasma pretreatments allowed an increased TiO2 loading on PE, favorably affecting the photocatalyst performance. ATR-FTIR spectroscopy shows that the increase in the cell lipid-layer fluidity leads to cell wall scission/bacterial inactivation.

Graphical abstract: Innovative semi-transparent nanocomposite films presenting photo-switchable behavior and leading to a reduction of the risk of infection under sunlight

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Article information

DOI
https://doi.org/10.1039/C3RA42762E
Article type
Communication
Submitted
05 Jun 2013
Accepted
16 Jul 2013
First published
15 Aug 2013

RSC Adv., 2013,3, 16345-16348

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Innovative semi-transparent nanocomposite films presenting photo-switchable behavior and leading to a reduction of the risk of infection under sunlight

S. Rtimi, C. Pulgarin, R. Sanjines and J. Kiwi, RSC Adv., 2013, 3, 16345 DOI: 10.1039/C3RA42762E

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