Irradiation of Escherichia coli by extremely-low frequency (ELF) pulsed electromagnetic fields (PEMF): evaluation of bacterial survival

Ahmed, I, Istivan, T and Pirogova, E 2015, 'Irradiation of Escherichia coli by extremely-low frequency (ELF) pulsed electromagnetic fields (PEMF): evaluation of bacterial survival', Journal of Electromagnetic Waves and Applications, vol. 29, no. 1, pp. 26-37.


Document type: Journal Article
Collection: Journal Articles

Title Irradiation of Escherichia coli by extremely-low frequency (ELF) pulsed electromagnetic fields (PEMF): evaluation of bacterial survival
Author(s) Ahmed, I
Istivan, T
Pirogova, E
Year 2015
Journal name Journal of Electromagnetic Waves and Applications
Volume number 29
Issue number 1
Start page 26
End page 37
Publisher Taylor and Francis
Abstract The effects of extremely low-frequency (ELF) pulsed electromagnetic field (PEMF) emitted by the custom-build exposure chamber on the growth and survival of the bacterium Escherichia coli (E. coli ATCC 25922) have been studied. The viability of E. coli was measured as colony-forming units (CFUs) before and after the exposures at frequencies, f, 2-500 Hz and magnetic flux densities, B, 2.5-5 mT to quantify the effects of applied ELF PEMF on these bacteria. The maximum reduction in bacterial growth was observed with the exposures at 3 Hz and 0.5 mT. The maximum decrease in CFU was recorded for the exposure at 500 Hz and 2.5 mT, which corresponds to a relative decrease of 77.26% in the bacterial growth. Findings from this study have direct implication for determining the optimal characteristics of the applied ELF PEMF for possible treatment of infected tissue and thus, wound healing promotion.
Subject Biological Physics
Bacteriology
Biomedical Instrumentation
Keyword(s) colony-forming units (CFU)
electromagnetic radiation
optimal characteristics
wound healing
DOI - identifier 10.1080/09205071.2014.974684
Copyright notice © 2014 Taylor and Francis
ISSN 0920-5071
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