Study type: Medical/biological study (experimental study)

Effects of electromagnetic field produced by mobile phones on the oxidant and antioxidant status of rats. med./bio.

Published in: Pak J Biol Sci 2007; 10 (23): 4271-4274

Aim of study (acc. to author)

To investigate the effect of electromagnetic fields produced by GSM mobile phones on the antioxidant capacity in the blood of rats.

Background/further details

99 rats were divided into three groups: 1) control group (n=33); 2) exposure group with a fractionate dose of electromagnetic fields (n=42); 3) exposure group with an acute dose of electromagnetic fields (n=24).

Endpoint

Exposure

Exposure Parameters
Exposure 1: 900 MHz
Exposure duration: 15 min/day for 4 days
  • SAR: 0.25 W/kg average over mass (whole body)
Exposure 2: 900 MHz
Exposure duration: continuous for 1 h
  • SAR: 0.25 W/kg average over mass (whole body)

Exposure 1

Main characteristics
Frequency 900 MHz
Type
Charakteristic
Exposure duration 15 min/day for 4 days
Exposure setup
Exposure source
Parameters
Measurand Value Type Method Mass Remarks
SAR 0.25 W/kg average over mass - whole body -

Exposure 2

Main characteristics
Frequency 900 MHz
Type
Charakteristic
Exposure duration continuous for 1 h
Exposure setup
Exposure source
Parameters
Measurand Value Type Method Mass Remarks
SAR 0.25 W/kg average over mass - whole body -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Investigated organ system:
Time of investigation:
  • after exposure

Main outcome of study (acc. to author)

Compared to the control group, both exposure groups displayed a reduced plasma concentration of vitamin C, vitamin A and vitamin E, reduced glutathione and significant decreases in catalase and superoxide dismutase enzyme activities. Except for vitamin A, all values were significantly lower in the acute exposure group than the fractionate exposure group.
The authors conclude that exposure to acute doses of electromagnetic field exposure produced by mobile phones is more hazardous than that produced by fractionated doses.

Study character:

Study funded by

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