To investigate changes in ATP-synthesis and calcium uptake and efflux in isolated rat liver mitochondria after irradiation with CW millimeter waves. In addition the respiratory ratio (cellular respiration) was evaluated.
The experiments were carried out at different temperatures (4°C, 25°C, and 30°C).
| Exposure | Parameters |
|---|---|
|
Exposure 1:
34.92 GHz
Modulation type:
CW
Exposure duration:
continuous 15 min
|
|
|
Exposure 2:
50–60 GHz
Modulation type:
CW
Exposure duration:
continuous 15 min
|
|
| Frequency | 34.92 GHz |
|---|---|
| Type | |
| Waveform | |
| Charakteristic | |
| Polarization | |
| Exposure duration | continuous 15 min |
| Modulation type | CW |
|---|
| Exposure source |
|---|
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 500 mW/cm² | minimum | measured | - | - |
| power density | 1 W/cm² | maximum | measured | - | - |
| Frequency | 50–60 GHz |
|---|---|
| Type | |
| Waveform | |
| Charakteristic | |
| Polarization | |
| Exposure duration | continuous 15 min |
| Modulation type | CW |
|---|
| Exposure source | |
|---|---|
| Distance between exposed object and exposure source | 0.0025 m |
| Chamber | water-jacketed chamber |
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 50 W/m² | - | measured | - | - |
Mitochondrial ATP-synthesis was unaffected by millimeter wave irradiation. Irradiation of mitochondria led to a decreased uptake of calcium. These effect was temperature depending and more distinct at higher temperatures. The mitochondrial respiratory control (cellular respiration) was significantly decreased depending on the increase of power density and temperature.
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