Application of nanosecond-pulsed dielectric barrier discharge for biomedical treatment of topographically non-uniform surfaces
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Antimicrobial effectiveness of a nanosecond-pulsed dielectric barrier discharge (DBD) was investigated and compared with that of a microsecond-pulsed DBD. Experiments were conducted on the Escherichia coli bacteria covering a topographically non-uniform agar surface acting as one of the DBD electrodes. They reveal that the nanosecond-pulsed DBD can inactivate bacteria in recessed areas whereas the microsecond-pulsed and conventional DBDs fail to do so. Charged species (electrons and ions) appear to play the major role in the bacteria inactivation with the nanosecond-pulsed DBD. Moreover, the nanosecond-pulsed DBD kills bacteria significantly faster than its microsecond-pulsed counterpart. 2009 IOP Publishing Ltd.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
author list (cited authors)
Ayan, H., Staack, D., Fridman, G., Gutsol, A., Mukhin, Y., Starikovskii, A., Fridman, A., & Friedman, G.
complete list of authors
Ayan, H||Staack, D||Fridman, G||Gutsol, A||Mukhin, Y||Starikovskii, A||Fridman, A||Friedman, G