Study type: Medical/biological study (experimental study)

The effect of microwave radiation (1.0 GHz) on the blood-brain barrier in dogs med./bio.

By: Chang BK, Huang AT, Joines WT, Kramer RS
Published in: Radio Sci 1982; 17: 165S-168S
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Aim of study (acc. to author)

Investigation of effect of microwave radiation on the blood-brain barrier in dogs.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 1 GHz
Modulation type: CW
Exposure duration: continuous for 20 min
  • power density: 20 W/m² minimum (4, 10, 30, 50 and 200 mW/cm²)

Exposure 1

Main characteristics
Frequency 1 GHz
Type
Charakteristic
Exposure duration continuous for 20 min
Modulation
Modulation type CW
Exposure setup
Exposure source
Setup EMF (electromagnetic field) delivered directly onto the top of the animal`s head.
Parameters
Measurand Value Type Method Mass Remarks
power density 20 W/m² minimum measured - 4, 10, 30, 50 and 200 mW/cm²
Measurement and calculation details

Radiation hazard meter was used to measure the power densities in the absence of samples.

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)

4 dogs of 11 exposed to 30 mW/cm² and none exposed to five different power densities between 2 and 200 mW/cm² showed increased permeability of the blood-brain barrier.

Study character:

Study funded by