Study type:
Medical/biological study
(experimental study)
Microwave-induced increase of water and conductivity in submaxillary salivary gland of rats
med./bio.
By:
Mikolajczyk H
Published in: Bioelectromagnetics 1981; 2 (1): 51-60
Aim of study (acc. to author)
Endpoint
Exposure
Exposure
Parameters
Exposure 1:
2.88 GHz
Exposure duration:
30 min
Exposure 2:
2.88 GHz
Exposure duration:
15 min
Exposure 3:
2.88 GHz
Exposure duration:
30 min
Exposure 4:
2.88 GHz
Exposure duration:
60 min
Modulation type
pulsed
Pulse width
1.5 µs
Repetition frequency
1,000 Hz
Exposure source
17 dB pyramidal antenna 30 cm x 30 cm aperture
Chamber
Anechoic chamber (Faraday cage on the exterior)/ 3 m x 2 m x 2 m
Setup
rats were placed one at a time in a Styrofoam box / 25 cm x 23 cm x 20 cm situated below the antenna
Additional info
The applied microwave power was controlled either by adjusting the current to the magnetron or by changing the distance between cage and the antenna between 22 and 40 cm.
Measurand
Value
Type
Method
Mass
Remarks
power density
285 W/m²
unspecified
measured
-
6.3 W/kg corresponding SAR (calculated)
power density
190 W/m²
unspecified
measured
-
4.2 W/kg corresponding SAR (calculated)
power density
305 W/m²
unspecified
measured
-
6.8 W/kg corresponding SAR (calculated)
power density
380 W/m²
unspecified
measured
-
8.4 W/kg corresponding SAR (calculated)
power density
420 W/m²
unspecified
measured
-
9.5 W/kg corresponding SAR (calculated)
power density
500 W/m²
unspecified
measured
-
10.8 W/kg corresponding SAR (calculated)
power density
600 W/m²
unspecified
measured
-
12.6 W/kg corresponding SAR (calculated)
Modulation type
pulsed
Pulse width
1.5 µs
Repetition frequency
1,000 Hz
Exposure source
Distance between exposed object and exposure source
0.4 m
Additional info
The control rats were exposed one at a time for similar periods to heat (40°C).
Measurand
Value
Type
Method
Mass
Remarks
power density
420 W/m²
unspecified
measured
-
9.5 W/kg corresponding SAR (calculated)
Modulation type
pulsed
Pulse width
1.5 µs
Repetition frequency
1,000 Hz
Exposure source
Distance between exposed object and exposure source
0.4 m
Additional info
The control rats were exposed one at a time for similar periods to heat (40°C).
Measurand
Value
Type
Method
Mass
Remarks
power density
420 W/m²
unspecified
measured
-
9.5 W/kg corresponding SAR (calculated)
Modulation type
pulsed
Pulse width
1.5 µs
Repetition frequency
1,000 Hz
Exposure source
Distance between exposed object and exposure source
0.4 m
Additional info
The control rats were exposed one at a time for similar periods to heat (40°C).
Measurand
Value
Type
Method
Mass
Remarks
power density
420 W/m²
unspecified
measured
-
9.5 W/kg corresponding SAR (calculated)
Extended view
Compact view
Methods
Endpoint/measurement parameters/methodology
Investigated system:
Investigated organ system:
Main outcome of study (acc. to author)
Study funded by
Ministry of Health, Poland
Polish Academy of Sciences, Poland