The exposure system employing two TEM cells operated in series in a vertical position has been described in the reference article.
Aufbau
A plastic rack held six 14 ml tubes (half of the tubes on each side of the septum) so that they were exposed from the bottom with the long axis parallel to the direction of wave propagation. Input power levels for the first TEM cell were set for a given average SAR in the bottom 1 ml of the sample. A length of coaxial cable was used to attenuate the input power for the second TEM cell. A terminating load absorbed any power not absorbed by the samples. Power level fluctuation was below 10%.
Zusatzinfo
Negative (sham-exposed) and positive (with EMS) controls included in each experiment were obtained by the second TEM cell being disconnected from the input power.
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In-vitro assessment of Jurkat T-cells response to 1966 MHz electromagnetic fields in a GTEM cell
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