Study type: Medical/biological study (experimental study)

Quantitation of effects of repeated microwave radiation on muscle-cell osmotic state and membrane permselectivity med./bio.

By: Portela A, Duardado MI, de Xammar Oro JR, Brennan M
Published in: Radio Sci 1979; 14: 127-139
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Aim of study (acc. to author)

To investigate the osmotic response of isolated skeletal-muscle cells of the frog Rana pipiens after microwave exposure. The isolated muscle cells were exposed to different osmotic solutions in vitro.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 2.88 GHz
Modulation type: pulsed
Exposure duration: 6 min/day for 20, 40, 60, 80 and 100 days.

Exposure 1

Main characteristics
Frequency 2.88 GHz
Type
Exposure duration 6 min/day for 20, 40, 60, 80 and 100 days.
Modulation
Modulation type pulsed
Pulse width 670 ns
Packets per second 1
Repetition frequency 900 Hz
Exposure setup
Exposure source
Distance between exposed object and exposure source 9 m
Chamber Anechoic chamber/ 10 m long x 4.6 m wide x 4.6 m high.
Setup Frogs were exposed in a cylindrical (4 cm in diameter, 12 cm long) , foamed polystyrene holder which was positioned along the center axis of the chamber.
Parameters
Measurand Value Type Method Mass Remarks
SAR 1.5 mW/g mean - whole body per mW/cm²
power 2 MW mean calibration - -
power density 100 W/m² mean measured - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

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

Main outcome of study (acc. to author)

The microwave exposure had no detectable effects on any of the investigated osmotic parameters.

Study character:

Study funded by