Nine well ventilated radial transmission line (RTL) exposure chambers were placed in three racks, each rack containing one exposure chamber for each of the three exposure conditions. Each exposure chamber consisted of two parallel circular aluminium plates with 150 cm diameter and 15 cm separation. The edges of the plates were shorted with a metallic wall covered with a ring of absorbing material to reduce reflections.
Setup
Twenty-four ventilated polycarbonate cages having the shape of a truncated wedge (17 to 8.5 cm wide, 35 cm long, and 15 cm high), each containing an unrestrained rat, were placed symmetrically in the chamber with their wider end near the absorbing material. A tuneable monopole antenna at the center generated a radial plane wave. The EF was vertical (perpendicular to the plates) and the MF was circumferential, parallel to the plates.
Four groups of 72 animals each were treated as follows: cage control, MX + sham exposure, MX + 0.3 W/kg, and MX + 0.9 W/kg. The three chambers of each exposure group were always in different racks and at different rack levels.
Heikkinen P et al.
(2007):
Erratum to "No effects of radiofrequency radiation on 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone-induced tumorigenesis in female Wistar rats" Heikkinen P et al., Radiat Res 2006; 166 (2): 397 - 408
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