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To examine the effect of mobile phone radio frequency emissions on magnetite-containing (magnetic) bacteria.
Magnetic and electron microscopic analyses of human brain tissue have revealed that biogenic magnetite in human brain tissue is similar to that of magnetite-containing bacteria. Magnetite-containing bacteria cells and closely related nonmagnetic bacteria cells (control group) were exposed and sham-exposed for 30 min.
Modulation type: pulsed
ばく露時間: continuous for 30 min
|ばく露時間||continuous for 30 min|
|チャンバの詳細||Two waveguides housed in a temperature-controlled CO2 incubator set at 30 °C were selected at random and blinded by a computer for RF or sham exposure.|
|ばく露装置の詳細||Six tissue culture Petri dishes (40 mm x 12 mm) containing 3 ml of equally concentrated magnetotactic bacterial cells or CC-26 cells and sealed with laboratory film to make them airtight were placed in each waveguide.|
|Sham exposure||A sham exposure was conducted.|
|Additional information||The exposure system provided very well controlled dosimetry and continuous monitoring of temperature conditions.|
Both the magnetite-containing bacteria and the nonmagnetite bacterial strain did not show any consistent bioeffects due to radio frequency exposure. Group comparisons did not reveal significant differences in cell mortality.
In the present study previous findings (see publication 11548) could not be replicated.