M. R. Wertheimer
École Polytechnique
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Featured researches published by M. R. Wertheimer.
MRS Proceedings | 1998
Sophie Lerouge; A. C. Fozza; M. R. Wertheimer; R. Marchand; M. Tabrizian; L'h. Yahia
Low-pressure plasmas are now being used for sterilization at ambient temperature. In this work, we have studied the possible mechanism of spore destruction by plasma, and compare it with etching of synthetic polymers. Bacillus subtilis spores were inoculated at the bottom of special glass vials and subjected to different plasma gas compositions, all known to etch polymers. The mortality rate of spores was found to vary with gas composition, between less than a 2 log decrease in 8 minutes for a pure oxygen plasma, to a 6 log decrease with 0 2 CF 4 mixture. Examination by scanning electron microscopy (SEM) showed that spores were significantly etched after 30 minutes of plasma exposure, but not completely. We speculate about their etch resistance, compared with that of synthetic polymers, on the basis of their morphology and their complex coating structure.
Archive | 1998
Sophie Lerouge; M. Tabrizian; S. Moreau; M. R. Wertheimer; R. Marchand; L'h. Yahia
Archive | 2014
Sophie Lerouge; Houman Savoji; P. Lequoy; P. Thalla; Bachir Saoudi; M. R. Wertheimer
Archive | 2013
P. Lequoy; M. Sbai; Bachir Saoudi; Antony Bertrand-Grenier; M. R. Wertheimer; Gilles Soulez; Sophie Lerouge
Archive | 2013
H. Savoj; A. Ajii; Sophie Lerouge; M. R. Wertheimer
Archive | 2013
Houman Savoji; Afra Hadjizadeh; Marion Maire; Sophie Lerouge; A. Ajii; M. R. Wertheimer
Orthopaedic Proceedings | 2012
Sonia Rampersad; Alain Petit; Juan Carlos Ruiz; M. R. Wertheimer; John Antoniou; Fackson Mwale
Archive | 2012
Amélie St-Georges-Robillard; Juan-Carlos Ruiz; Alain Petit; Fackson Mwale; Bentsian Elkin; Christian Oehr; Sophie Lerouge; M. R. Wertheimer
Orthopaedic Proceedings | 2011
Sonia Rampersad; Alain Petit; Guoying Yao; Amélie St-Georges-Robillard; Juan-Carlos Ruiz; M. R. Wertheimer; John Antoniou; Fackson Mwale
Archive | 2011
Cindy Charbonneau; R.-C. Ruiz; M. R. Wertheimer; Sophie Lerouge