Study type: Medical/biological study (experimental study)

The effects of 3000-MHz microwave irradiation on electroencephalic energy and energy metabolism in mouse brain med./bio.

By: Pu JS, Chen J, Yang YH, Bai YQ
Published in: Electro Magnetobiol 1997; 16 (3): 243-247
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Aim of study (acc. to author)

To explore the mechanism of the neurasthenic syndrome elicited from microwave exposure, changes of electroencephalic energy and mitochondrial marker enzymes (succinate dehydrogenase) in mouse brain after microwave exposure with 3000 MHz were studied.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 3 GHz
Exposure duration: 1 h/day for 7 days

Exposure 1

Main characteristics
Frequency 3 GHz
Type
Exposure duration 1 h/day for 7 days
Exposure setup
Exposure source
Distance between exposed object and exposure source 0.5 m
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
power density 5 mW/cm² - - - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

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

Main outcome of study (acc. to author)

Significant inhibitory effects were observed on total and peak electroencephalic energy as compared to the control. It was also discovered that the ATP in the brain and the amounts of succinate dehydrogenase (SDH) in the hypothalamus and hippocampus were reduced significantly in the exposure group as compared to the control. The mechanism might be as follows: the decrease SDH causes the decrease in ATP. A lower ATP possibly results in lower electroencephalic energy. It is thus suggested that the effects of microwave exposure on CNS are relevant to electroencephalic energy. It is concluded that the neurasthenic syndrome after microwave exposure probably is due to a decrease in electroencephalic energy.

Study character:

Study funded by

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