Study type:
Medical/biological study
(experimental study)
Evaluation of HSP70 expression and DNA damage in cells of a human trophoblast cell line exposed to 1.8 GHz amplitude-modulated radiofrequency fields
med./bio.
By:
Valbonesi P, Franzellitti S, Piano A, Contin A, Biondi C, Fabbri E
The exposure system [Schonborn et al., 2000] located inside an incubator consisted of two 128.5 x 65 x 424 mm³ brass single-modewaveguide 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.
Setup
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).
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).
Ministero dell' Università e della Ricerca (MIUR (formerly MURST (Ministero dell' Università e della Ricerca Scientifica e Tecnologica); Ministry of University and Research), Italy
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