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Electrochemical evaluation of extremely-low frequency magnetic field effects on sulphate-reducing bacteria
L. Fojt, V. Vetterl
Language English Country Czech Republic
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
Free Medical Journals
from 2000
Freely Accessible Science Journals
from 2000
ProQuest Central
from 2005-01-01
Health & Medicine (ProQuest)
from 2005-01-01
ROAD: Directory of Open Access Scholarly Resources
from 2000
- MeSH
- Desulfotomaculum metabolism MeSH
- Desulfovibrio metabolism MeSH
- Electrochemical Techniques methods MeSH
- Electrodes MeSH
- Magnetic Fields * MeSH
- Microbial Viability MeSH
- Sulfates metabolism MeSH
- Carbon MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
The effects of 50 Hz magnetic fields on sulphate- reducing bacteria viability were studied electrochemically. Two types of graphite electrodes (pyrolytic and glassy carbon) covered with whole bacterial cells behind a dialysis membrane were used for electrochemical measurements. We found about 15% decrease of reduction peak current density (which indicates desulphurization activity of the bacterial cells - their metabolic activity) on cyclic voltammograms after magnetic field exposure compared to the control samples. We suppose that the magnetic field does not influence the metabolic activity (desulphurization) of sulphate-reducing bacteria but most probably causes bacterial death.
Institute of Biophysics Academy of Sciences of the Czech Republic v v i Brno
Institute of Biophysics Academy of Sciences of the Czech Republic v v i Brno Czech Republic
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- $a The effects of 50 Hz magnetic fields on sulphate- reducing bacteria viability were studied electrochemically. Two types of graphite electrodes (pyrolytic and glassy carbon) covered with whole bacterial cells behind a dialysis membrane were used for electrochemical measurements. We found about 15% decrease of reduction peak current density (which indicates desulphurization activity of the bacterial cells - their metabolic activity) on cyclic voltammograms after magnetic field exposure compared to the control samples. We suppose that the magnetic field does not influence the metabolic activity (desulphurization) of sulphate-reducing bacteria but most probably causes bacterial death.
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