Fol. Biol. 2012, 58, 44-48
Electrochemical Evaluation of Extremely-Low Frequency Magnetic Field Effects on Sulphate-Reducing Bacteria
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 compa red 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.
Funding
This work was supported by the Grant Agency of the Czech Republic (Grant 205/10/2378), the Ministry of Education, Youth and Sports (projects No. 1M0528 and No. LC06035), and by institutional research plans (AV0Z 50040507, AV0Z 50040702).
References
Copyright
This is an open-access article distributed under the terms of the Creative Commons Attribution License.
