To study the effect of acute exposure to low-intensity microwaves on DNA damage in brain cells of the rat.
Exposure | Parameters |
---|---|
Exposure 1:
2,450 MHz
Modulation type:
pulsed
Exposure duration:
continuous for 2 h
|
|
Exposure 2:
2,450 MHz
Modulation type:
CW
Exposure duration:
continuous for 2 h
|
|
Frequency | 2,450 MHz |
---|---|
Type | |
Charakteristic |
|
Polarization |
|
Exposure duration | continuous for 2 h |
Modulation type | pulsed |
---|---|
Pulse width | 2 µs |
Repetition frequency | 500 Hz |
Measurand | Value | Type | Method | Mass | Remarks |
---|---|---|---|---|---|
power density | 1 mW/cm² | spatial average | unspecified | - | - |
SAR | 0.6 W/kg | average over mass | cf. remarks | whole body | [Chou et al., 1984] |
power density | 2 mW/cm² | spatial average | unspecified | - | - |
SAR | 1.2 W/kg | average over mass | cf. remarks | whole body | [Chou et al., 1984] |
Frequency | 2,450 MHz |
---|---|
Type | |
Charakteristic |
|
Polarization |
|
Exposure duration | continuous for 2 h |
Modulation type | CW |
---|
Exposure source |
|
---|---|
Sham exposure | A sham exposure was conducted. |
Measurand | Value | Type | Method | Mass | Remarks |
---|---|---|---|---|---|
power density | 2 mW/cm² | spatial average | unspecified | - | - |
SAR | 1.2 W/kg | average over mass | cf. remarks | whole body | [Chou et al., 1984] |
Immediately after 2 h of exposure to pulsed microwaves, no significant effect was observed, whereas a dose rate-dependent increase in DNA single-strand breaks was found after 4h of exposure. In rats exposed for 2 h to continuous-wave microwaves, increases in DNA single-strand breaks were observed immediately as well as at 4 h postexposure.
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