Possible nonthermal effects of 434 MHz microwave radiation on human blood should be investigated in vitro.
Mean plasma levels of hemoglobin, sodium, and potassium were determinated. Plasma levels of hemoglobin and sodium and potassium ions serve as an indicator of red blood cell (erythrocytes) haemolysis, caused by an increased membrane fragility.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
434 MHz
Modulation type:
CW
Exposure duration:
6 h
|
|
|
Exposure 2:
434 MHz
Modulation type:
CW
Exposure duration:
6 h
|
|
| Frequency | 434 MHz |
|---|---|
| Type | |
| Waveform | |
| Exposure duration | 6 h |
| Modulation type | CW |
|---|
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 225 mW/cm² | - | cf. remarks | - | free space power density; experiment 1 and 4 |
| power density | 540 mW/cm² | - | cf. remarks | - | free space power density; experiment 1 and 4 |
| electric field strength | 15 V/cm | - | cf. remarks | - | +/- 4 per cent |
| Frequency | 434 MHz |
|---|---|
| Type | |
| Exposure duration | 6 h |
| Modulation type | CW |
|---|
| Exposure source |
|
|---|---|
| Additional info | Spherical samples placed as in exposition 1 |
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| power density | 100 mW/cm² | minimum | - | unspecified | 225 mW/cm², 410 mW/cm², 600 mW/cm² max value; experiment 2* |
Indicated by the measurements no increased membrane fragility was observed, which could be clearly assigned to nonthermal effects.
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