Study type: Medical/biological study (experimental study)

The effect of microwaves (2450 MHz) on isolated rat liver mitochondria. med./bio.

Published in: Ann N Y Acad Sci 1975; 247: 251-262

Aim of study (acc. to author)

To investigate the effects of microwave exposure on isolated rat liver mitochondria in vitro.



Exposure Parameters
Exposure 1: 2,450 MHz
Modulation type: CW
Exposure duration: continuous for up to 3.5 h

Exposure 1

Main characteristics
Frequency 2,450 MHz
Exposure duration continuous for up to 3.5 h
Modulation type CW
Exposure setup
Exposure source
Chamber The environmental exposure chamber (61 x 76 x 76 cm) made of foamed polystyrene was placed inside an aluminium-shielded anechoic chamber (3 x 3 x 4.5 m) lined with MW-absorbing material.
Setup Mitochondrial suspension (2 ml) in a covered clear polystyrene 35-mm Petri dish (10 mm depth) was placed in the chamber at 0°C on a foamed polystyrene stand supporting a 9-cm plastic disk suspending the sample 14 cm above the base with cooling air flowing around it.
Additional info Every 30 min, an aliquot of the sample was removed, and oxygen uptake was measured. The same was done for a control sample kept in a test tube in ice.
Measurand Value Type Method Mass Remarks
power density 10 mW/cm² - measured - at 300 cm below the horn
SAR 17.5 mW/g mean measured - -
power density 50 mW/cm² - measured - at 211 cm below the horn
SAR 87.5 mW/g mean measured - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Time of investigation:
  • after exposure

Main outcome of study (acc. to author)

The microwave exposure had no effects on mitochondrial oxygen consumption. Also the mitochondrial response to calcium was not altered by microwave exposure.

Study character:

Study funded by