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To assess whether GSM modulated radiofrequency fields have adverse effects on the functional immune competence of human immune cells.
The study is part of the project "Biological effects of high frequency electromagnetic fields (EMF)" sponsored by the National Occupation Hazard Insurance Association (AUVA).
Modulation type: pulsed
ばく露時間: intermittent, 5 min on/10 min off for 8 h
|ばく露時間||intermittent, 5 min on/10 min off for 8 h|
|チャンバの詳細||Two R18 hollow rectangular waveguides (131 mm x 65 mm x 425 mm) operating in TE10 mode were used with a removable short cut making them a resonating cavity. They were equipped with ventilation holes, a fan and several sensors. Data from all sensors (field strength, air temperature, fan driving current) were collected every 10 s in a data logger also controlling the GSM frame unit and the RF switch. The whole setup with dimensions of approx. 50 x 25 x 45 cm³ was placed in a CO2 incubator.|
|ばく露装置の詳細||Six 35 mm Petri dishes fixed in two holders were placed in each waveguide, and in the H-field maxima being separated by 106 mm. The amplified RF signal was connected to one of the waveguide cavities by a computer-controlled switch enabling a double-blind study design.|