Autores

Bisht KS, Moros EG, Straube WL, Baty JD, Roti Roti JL (2002)

C3H 10T½ cells, which are derived from mouse embryo fibroblasts, were used in this study The cells were exposed to 835.62 MHz FDMA or 847.74 MHz CDMA modulated radiation for 3, 8, 16 or 24 hours. The SAR for the CDMA experiment was 3.2 or 4.8 W/kg, and that for the FDMA experiment was 3.2 or 5.1 W/kg. The minimum SAR of 3.2 was chosen because it is twice the maximum average exposure allowable to 1 g of tissue for 30 minutes or more, according to a safety standard set for the general population by the Federal Communications Commission. The SARs of 4.8 and 5.1 W/kg were the highest that could be obtained in the system used without running the risk of causing an increase in temperature.

In three repeat experiments there was no evidence of an increase in the number of micronucleated cells compared to cells that were sham-exposed.

The authors discussed the possible reasons why their results differed from other researchers, such as Tice (2002). There were differences in the biological system and in the irradiation facilities used by the two groups. Bisht and colleagues could not rule out the possibility that RF radiation at SARs greater than 5 W/kg could induce micronuclei.

 



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