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Medical/biological Study (experimental study)

Comparison of the low-frequency magnetic field effects on bacteria Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus. med./biol.

By: Fojt L, Strasak L, Vetterl V, Smarda J
Published in: Bioelectrochemistry 2004; 63 (1-2): 337 - 341 ( open external web page PubMed Entry , open external web page Journal web site )

Aim of study (according to author)
To investigate and compare the cell viability of three different bacterial strain exposed to low frequency magnetic fields.

Endpoint

Exposure
General category: magnetic field, low frequency field, 50/60 Hz (AC)

Field characteristicsParameters
field 1: 50 Hz
exposure duration: up to 25 min
magnetic flux density: 10 mT max value
field 2: 50 Hz
exposure duration: 12 min
magnetic flux density: 2.7 mT min value (10 mT maximum value)
field 3: 50 Hz
exposure duration: 60 min
magnetic flux density: 10 mT

FIELD View further expo parameters

Exposed system:
bacterium (in vitro)
Escherichia coli, Leclercia adecarboxylata, Staphylococcus aureus

Methods
Endpoint/Measurement parameters/Methodology

investigated material: bacterium (in vitro)

time of investigation: after exposure

Main outcome of study (according to author)
Viability decreases with longer exposure times and/or higher magnetic induction. The most sensitive strain was E. coli, the least sensitive was Staphylococcus aureus.

(Study character: medical/biological study, experimental study, full/main study)

Study funded by

  • Academy of Sciences of the Czech Republic
  • Grant Agency of Czech Republic

Related articles i
Glossary: 50/60 Hz, AC, bacterium, biological, cell division, cell viability, colonies, colony-forming units, E. coli, endpoint, exposed, exposure, full/main study, induction, in vitro, low frequency, magnetic, magnetic fields, magnetic flux density, proliferation, Staphylococcus aureus, strain, viability

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