Study type: Medical/biological study (experimental study)

Behavioral characteristics of SD rats exposed to power frequency magnetic field. med./bio.

Published in: 2019 IEEE Sustainable Power and Energy Conference (iSPEC), Beijing, China IEEE, 2019: 1042-1048, ISBN 9781728149318

Aim of study (acc. to author)

The effects of exposure of rats to a 50 Hz magnetic field on behavior should be investigated.

Background/further details

Rats were divided into 4 groups (n=32, respectively): exposure to a magnetic field of 1) 30 μT, 2) 100 μT, 3) 500 μT and 4) sham exposure group.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 50 Hz
Exposure duration: 20 hours/day (number of days not specified)
Exposure 2: 50 Hz
Exposure duration: 20 hours/day (number of days not specified)
Exposure 3: 50 Hz
Exposure duration: 20 hours/day (number of days not specified)

Exposure 1

Main characteristics
Frequency 50 Hz
Type
Waveform
Exposure duration 20 hours/day (number of days not specified)
Exposure setup
Exposure source
Setup the exposure system was made of styrene plastic; five layers of rat cages could be placed in the device (dimensions: 2 m long, 1 m wide, 2 m high) and coils were placed in five layers, respectivley; the laboratory temperature was maintained at 23°C-25°C the humidity was maintained at 45%-55%, the audible noise was controlled at 40 dB and the illumination was controlled at 300 lux
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
magnetic flux density 30 µT - measured - -

Exposure 2

Main characteristics
Frequency 50 Hz
Type
Waveform
Exposure duration 20 hours/day (number of days not specified)
Exposure setup
Exposure source
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
magnetic flux density 100 µT - measured - -

Exposure 3

Main characteristics
Frequency 50 Hz
Type
Waveform
Exposure duration 20 hours/day (number of days not specified)
Exposure setup
Exposure source
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
magnetic flux density 500 µT - measured - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Time of investigation:
  • after exposure

Main outcome of study (acc. to author)

No significant differences were found between the exposure groups (groups 1-3) and sham exposure (group 4).
The authors conclude that no effects of exposure of rats to a 50 Hz magnetic field on behavior could be found.

Study character:

Study funded by

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