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To determine whether radiofrequency electromagnetic fields could induce cellular effects in trophoblast cells.
The effects observed after radiofrequency exposure were compared to those caused by heat (43°C, 1 h) or hydrogen peroxide, which were used as positive controls.
Trophoblast cells have not been used previously in similar experiments. However, their high proliferation and invasion capability, their fine modulation by physiological factors, and their high sensitivity to external stimuli, make these cells an attractive model for investigating possible detrimental effects of radiofrequency electromagnetic fields on cell physiology.
Modulation type: pulsed
ばく露時間: continuous for 1 h
|ばく露時間||continuous for 1 h|
|チャンバの詳細||The exposure system [Schonborn et al., 2000] located inside an incubator consisted of two 128.5 x 65 x 424 mm³ brass single-mode waveguide resonators (equipped with DC ventilators) that were assigned to exposure or sham condition by the computer-controlled signal unit ensuring blind conditions for the experiment.|
|ばく露装置の詳細||Each resonator was equipped with a plastic holder holding six 35-mm Petri dishes arranged in two stacks in the H-field maxima of the standing wave (E-polarization).|
|Sham exposure||A sham exposure was conducted.|
|Additional information||More than 90% of the power coupled into the waveguides was reflected and directed into a 50-Ω terminator via the circulator (included in the amplifier).|
|SAR||2 W/kg||average over time||測定値および計算値||-||-|