Study type: Medical/biological study (experimental study)

Measurement of blood-brain barrier permeation in rats during exposure to 2450-MHz microwaves med./bio.

By: Ward TR, Elder JA, Long MD, Svendsgaard D
Published in: Bioelectromagnetics 1982; 3 (3): 371-383
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Aim of study (acc. to editor)

Examination of microwave effect on permeability of rat blood-brain barrier to sucrose and inulin in comparison to effect by temperature increase.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 2.45 GHz
Modulation type: CW
Exposure duration: continuous for 30 min

Exposure 1

Main characteristics
Frequency 2.45 GHz
Type
Charakteristic
Exposure duration continuous for 30 min
Modulation
Modulation type CW
Exposure setup
Exposure source
Setup long axis of the rat's body parallel to the eletric field
Parameters
Measurand Value Type Method Mass Remarks
power density 100 W/m² unspecified unspecified - corresponding estimated SAR: 2 W/kg
power density 200 W/m² unspecified unspecified - corresponding estimated SAR: 4 W/kg
power density 300 W/m² unspecified unspecified - corresponding estimated SAR: 6 W/kg

Exposed system:

Methods Endpoint/measurement parameters/methodology

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

Main outcome of study (acc. to author)

Exposure to 2450 MHz microwaves significantly increased the blood-brain barrier permeability to sucrose due to thermal effects.

Study character:

Study funded by