To measure three key compounds in brain energy metabolism during and after exposure to continuous wave (CW) radiofrequency radiation at three different frequencies and to develop a dose-response relationship for the effects.
| Frequency | 200 MHz |
|---|---|
| Type | |
| Exposure duration | 2 min |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|---|
| Distance between exposed object and exposure source | 0.015 m |
| Setup | the head of the animals were held in teflon head holder so that the exposed brain was positioned directly below the upper-plate of microstrip system. |
| Additional info | the microstrip consisted of two parallel plates. |
No parameters are specified for this exposure.
| Frequency | 591 MHz |
|---|---|
| Type | |
| Exposure duration | 2 min |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|---|
| Distance between exposed object and exposure source | 0.015 m |
| Setup | the head of the animals were held in teflon head holder so that the exposed brain was positioned directly below the upper-plate of microstrip system. |
No parameters are specified for this exposure.
| Frequency | 2.45 GHz |
|---|---|
| Type | |
| Exposure duration | 2 min |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|---|
| Distance between exposed object and exposure source | 0.015 m |
| Setup | the head of the animals were held in teflon head holder so that the exposed brain was positioned directly below the upper-plate of microstrip system. |
No parameters are specified for this exposure.
Frequency-dependent alterations have been found for all three compounds. At 200 and 591 MHz, NADH fluorescence increased in a dose-dependent manner between approximately 1 and 10 mW/cm². Then it became constant at higher exposures. There was no effect at 2450 MHz. The ATP levels were decreased at 200 and 591 MHz but not at 2450 MHz. The creatine phosphate levels decreased only at 591 MHz. Temperature in the rat brain was essentially constant for all irradiations. A general mechanism for inhibition of the mitochondrial electron transport chain and creatine kinase reaction pathway by radiofrequency exposure has been proposed.
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