Lack of Microbial Genetic Response to 2.45-GHz CW and 8.5- to 9.6-GHz Pulsed Microwaves

1 January 1979

journal article
research article
Published by Taylor & Francis in Journal of Microwave Power

Vol. 14 (3) , 275-280
https://doi.org/10.1080/16070658.1979.11689160

Abstract

Strain D₄ of the yeast Saccharomyces cerevisiae, and strains TA-1535, TA-100 and TA-98 of the bacterium Salmonella typhimurium, were exposed to 2.45-GHz continuous wave or 8.5- to 9.6-GHz pulsed electromagnetic radiation (EMR) at various powder densities from 1 to 45 mW/cm². The temperature during radiation was maintained at 30°C for yeast cultures and at 37°C for bacterial cultures. The studies revealed no increase in mutations or of mitotic gene conversions when cells were radiated for two hours or less. Decreased viability of cells was noted in all cultures tested after radiation at power densities of 30 mW/cm² or more; however, no reliable changes in genetic events occured.

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