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Impact of 2.45 GHz Microwave Irradiation on the Fruit Fly, Drosophila melanogaster

Abstract : The physiological and behavioral influences of 2.45 GHz microwaves on Drosophila melanogaster were examined. This study indicated that there was no concern regarding the thermal effects of microwave irradiation for levels of daily usage if it is traveling waves. However, it still gave non-thermal effects. We detected genotoxicity and behavioral alterations associated with travelling wave irradiation. Electron spin resonance (ESR) revealed that fruit flies possessed paramagnetic substances in the body such as Fe 3+ , Cu 2+ , Mn 2+ , and organic radicals, and the behavioral tests supported the microwave susceptibility of the insects. Abstract: The physiological and behavioral influences of 2.45 GHz microwaves on Drosophila melanogaster were examined. Standing waves transitioned into heat energy effectively when passing through the insect body. On the contrary, travelling waves did not transit into heat energy in the insect body. This indicated that there was no concern regarding the thermal effects of microwave irradiation for levels of daily usage. However, we detected genotoxicity and behavioral alterations associated with travelling wave irradiation, which can be attributed to the non-thermal effects of the waves. Electron spin resonance (ESR) revealed that fruit flies possessed paramagnetic substances in the body such as Fe 3+ , Cu 2+ , Mn 2+ , and organic radicals. The temperature dependent intensities of these paramagnetic substances indicated that females possessed more of the components susceptible to electromagnetic waves than males, and the behavioral tests supported the differences between the sexes.
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Submitted on : Thursday, November 5, 2020 - 10:49:03 AM
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Aya Yanagawa, Masatoshi Tomaru, Atsushi Kajiwara, Hiroki Nakajima, Elie Desmond-Le Quéméner, et al.. Impact of 2.45 GHz Microwave Irradiation on the Fruit Fly, Drosophila melanogaster. Insects, MDPI, In press, 11 (9), pp.598. ⟨10.3390/insects11090598⟩. ⟨hal-02989473⟩

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