Eur. Phys. J. Appl. Phys.
Volume 49, Number 1, January 2010
Focus on Plasma Processes
|Number of page(s)||4|
|Section||Focus on Plasma Processes|
|Published online||26 November 2009|
Observation of antibacterial effects obtained at atmospheric and reduced pressures in afterglow conditions
LAPLACE, CNRS, Université de Toulouse-UPS, INPT, 118 route de Narbonne, 31062 Toulouse Cedex 9, France
2 Laboratoire Parodontites et Maladies Générales, Faculté de Chirurgie Dentaire, 3 chemin des Maraîchers, 31062 Toulouse Cedex, France
3 INSERM U858, IFR-151, Avenue Jean Poulhés, 31432 Toulouse Cedex 4, France
4 LEGP, Université de Pau et des Pays de l'Adour, 2 avenue du Président Angot, 64000 Pau, France
Corresponding author: firstname.lastname@example.org
Revised: 9 September 2009
Accepted: 14 September 2009
Published online: 26 November 2009
Bactericidal activities of three different afterglows operating at reduced and atmospheric pressures and ambient temperature are established and compared through the use of a unique protocol for bacteria (E. coli, CIP 54.8 T) exposition, recovery and numeration. The influence of three important parameters is shown. An original scenario for bacterial inactivation at reduced pressure is proposed, compatible with previously published results and with the observation of conformational changes appearing on the treated bacteria.
PACS: 82.33.Xj – Plasma reactions / 52.77.Bn – Etching and cleaning
© EDP Sciences, 2009
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