The authors investigated how active cells, e.g. stimulated in vitro with mitogens and entering G1 phase and S phase, will react to the exposure to microwaves.
Cells were stimulated with phytohemagglutinin or with concanavalin A.
Cells were exposed immediately after entering the G1 phase (first day of exposure), again when the majority of cells responding to mitogen entered the S phase (second day of exposure), and finally when the responding cells reached G2 phase and mitosis (third day of exposure).
| Exposure | Parameters |
|---|---|
|
Exposure 1:
900 MHz
Modulation type:
pulsed
Exposure duration:
repeated daily exposure, 15 min at the beginning of each day, for 3 days
|
|
| Frequency | 900 MHz |
|---|---|
| Type | |
| Charakteristic | |
| Exposure duration | repeated daily exposure, 15 min at the beginning of each day, for 3 days |
| Exposure source |
|
|---|---|
| Distance between exposed object and exposure source | 6 cm |
| Chamber | A miniature anechoic chamber of 23 x 23 x 23 cm internal dimensions was located inside an incubator. |
| Setup | A microplate with cultured cells was placed in the middle of the chamber with a mobile phone on the floor. |
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| electric field strength | 27 V/m | - | measured | - | ±15% |
| power density | 1.93 W/m² | - | measured | - | - |
| SAR | 0.024 W/kg | - | measured and calculated | - | - |
Peripheral blood mononuclear cells exposed to microwaves demonstrated significantly higher response to mitogens and higher immunogenic activity of monocytes than control cultures. The proliferative response of T lymphocytes exposed to microwaves increased significantly.
The data suggest that immune activity of responding lymphocytes and monocytes can be additionally intensified by 900 MHz microwaves.
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