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6 results on '"Dubow M"'

1. Decontamination of Escherichia coli biofilm by DBD argon jet

Author

Kovalova, Zuzana, Leroy, Magali, Kirkpatrick, Mike, Machala, Z., Dubow, M.-S., Odic, Emmanuel, Supélec Sciences des Systèmes (E3S), Ecole Supérieure d'Electricité - SUPELEC (FRANCE), and Douesnard, Stéphanie

Subjects
[SPI]Engineering Sciences [physics], [SPI] Engineering Sciences [physics], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2014

2. Decontamination of the inner walls of a narrow tube at atmospheric pressure using long distance propagation discharge in argon

Author

Kovalova, Zuzana, Leroy, Magali, Kirkpatrick, Mike, Machala, Z., Dubow, M.-S., Odic, Emmanuel, Supélec Sciences des Systèmes (E3S), Ecole Supérieure d'Electricité - SUPELEC (FRANCE), Division of Environmental Physics [Bratislava], Comenius University in Bratislava, and Douesnard, Stéphanie

Subjects
[SPI]Engineering Sciences [physics], [SPI] Engineering Sciences [physics], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2014

3. Bio-decontamination of E. coli on Inner Wall of a Thin Tube Using Pulsed Corona Discharge

Author

Kovalova, Zuzana, Leroy, Magali, Kirkpatrick, Mike, Machala, Z., Dubow, M.-S., Odic, Emmanuel, Supélec Sciences des Systèmes (E3S), Ecole Supérieure d'Electricité - SUPELEC (FRANCE), Division of Environmental Physics [Bratislava], Comenius University in Bratislava, and Douesnard, Stéphanie

Subjects
[SPI]Engineering Sciences [physics], [SPI] Engineering Sciences [physics]
Published
2013

4. Décontamination de surface par plasma froid d'argon à pression atmosphérique - cas du traitement des parois internes de tubes

Author

Kovalova, Zuzana, Leroy, Magali, Kirkpatrick, Mike, Machala, Z., Dubow, M.-S., Laux, C. O., Sainct, F.P., Lopes, F., Odic, Emmanuel, Douesnard, Stéphanie, Supélec Sciences des Systèmes (E3S), Ecole Supérieure d'Electricité - SUPELEC (FRANCE), Division of Environmental Physics [Bratislava], Comenius University in Bratislava, Laboratoire d'Énergétique Moléculaire et Macroscopique, Combustion (EM2C), and CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)-Université Paris Saclay (COmUE)

Subjects
[SPI]Engineering Sciences [physics], [SPI] Engineering Sciences [physics]
Published
2013

5. Decontamination of E. coli on Inner Wall of Quartz Tube by Pulsed Corona Discharge and Streptococci Biofilm by DC Corona Discharge

Author

Kovalova, Zuzana, Leroy, Magali, Kirkpatrick, Mike, Dubow, M.-S., Machala, Z., Odic, Emmanuel, Douesnard, Stéphanie, Supélec Sciences des Systèmes (E3S), Ecole Supérieure d'Electricité - SUPELEC (FRANCE), Division of Environmental Physics [Bratislava], and Comenius University in Bratislava

Subjects
[SPI]Engineering Sciences [physics], [SPI] Engineering Sciences [physics]
Published
2013

6. PROPAGATION OF ARGON SURFACE DISCHARGE IN LONG TUBES AT ATMOSPHERIC PRESSURE, ITS BACTERICIDAL EFFECT AND THE EFFECT OF UV EMISSION

Author

Kovalova, Z., Leroy, M., Jacobs, C., Kirkpatrick, M. J., Zdenko Machala, Lopes, F., Laux, C. O., Dubow, M. S., Odic, E., LE PIOLET, DELPHINE, Cernak, M, Hoder, T, Laboratoire Génie électrique et électronique de Paris (GeePs), Université Paris-Sud - Paris 11 (UP11)-CentraleSupélec-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Comenius University in Bratislava, Laboratoire de Génie des Procédés et Matériaux (LGPM), CentraleSupélec-Université Paris-Saclay, Laboratoire d'Énergétique Moléculaire et Macroscopique, Combustion (EM2C), Université Paris Saclay (COmUE)-Centre National de la Recherche Scientifique (CNRS)-CentraleSupélec, Institut de Biologie Intégrative de la Cellule (I2BC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Laboratories of Excellence LaSIPS from Campus Paris Saclay, French Foreign Office, Slovak Research and Development AgencySlovak Research and Development Agency [APVV-0134-12], and CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)-Université Paris Saclay (COmUE)

Subjects
[SPI]Engineering Sciences [physics], pulsed corona discharges, [SPI] Engineering Sciences [physics], UV emission, low-temperature plasma, bio-decontamination, argon plasma
Abstract

International audience; The objective of the presented work is the bio-decontamination of small diameter long tubes by direct exposure of the tube inner surface to the plasma of a pulsed corona discharge in dry or humid argon. Bactericidal tests were conducted with Escherichia coli strain DH-1 for various exposure times. Up to similar to 5.5 log(10) reduction was observed for E. coli exposed 44 cm away from the HV electrode, for a 20 minute treatment. The factors contributing to the observed bactericidal effect include desiccation, reactive oxygen species (OH), H2O2 accumulation in the liquid phase, and UV B (and possibly VUV) in dry argon.

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