Observation of antibacterial effects obtained at atmospheric and reduced pressures in afterglow conditions

J.-P. Sarrette (1) , S. Cousty (2) , Nofel Merbahi (1) , A. Nègre-Salvayre (3) , Franck Clement

1 LAPLACE-PRHE - Plasmas Réactifs Hors Equilibre
2 UT3 - Université Toulouse III - Paul Sabatier
3 I2MR - Institut de médecine moléculaire de Rangueil

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. © 2009 EDP Sciences.

Domaines: Plasmas; Dermatologie; Organes des sens; Chirurgie

J.-P. Sarrette, S. Cousty, Nofel Merbahi, A. Nègre-Salvayre, Franck Clement. Observation of antibacterial effects obtained at atmospheric and reduced pressures in afterglow conditions. European Physical Journal: Applied Physics, 2010, 49 (1), pp.13108. ⟨10.1051/epjap/2009169⟩. ⟨hal-01503139⟩