Study type: Medical/biological study (experimental study)

Extremely-low frequency magnetic field effects on sulfate reducing bacteria viability. med./bio.

Published in: Electromagn Biol Med 2010; 29 (4): 177-185

Aim of study (acc. to author)

To study the effect of extremely low frequency magnetic fields on sulfate reducing bacteria viability.

Background/further details

Cells were incubated for two days following exposure and number of colonies were counted.



Exposure Parameters
Exposure 1: 50 Hz
Exposure duration: continuous for 3 min - 24 min

Exposure 1

Main characteristics
Frequency 50 Hz
Exposure duration continuous for 3 min - 24 min
Exposure setup
Exposure source
Setup samples placed in petri dishes on a non-conductive plate in the center of the cylindrical coil; field uniformity 5 %
Sham exposure A sham exposure was conducted.
Measurand Value Type Method Mass Remarks
magnetic flux density 7.1 mT maximum measured - -

Reference articles

  • Fojt L et al. (2004): Comparison of the low-frequency magnetic field effects on bacteria Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus.

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Time of investigation:
  • after exposure

Main outcome of study (acc. to author)

The data showed a 15% decrease of colony forming units number after magnetic field exposure (24 min) compared to the control samples.

Study character:

Study funded by

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