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Int. J. Environ. Res. Public Health 2015, 12(4), 3853-3863; doi:10.3390/ijerph120403853

In Vitro Evaluation of Genotoxic Effects under Magnetic Resonant Coupling Wireless Power Transfer

Laboratory of Applied Radio Engineering for Humanosphere, Research Institute for Sustainable Humanosphere, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Academic Editor: Martin Röösli
Received: 9 February 2015 / Revised: 21 March 2015 / Accepted: 31 March 2015 / Published: 7 April 2015
(This article belongs to the Special Issue Electromagnetic Fields and Health)
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Abstract

Wireless power transfer (WPT) technology using the resonant coupling phenomenon has been widely studied, but there are very few studies concerning the possible relationship between WPT exposure and human health. In this study, we investigated whether exposure to magnetic resonant coupling WPT has genotoxic effects on WI38VA13 subcloned 2RA human fibroblast cells. WPT exposure was performed using a helical coil-based exposure system designed to transfer power with 85.4% efficiency at a 12.5-MHz resonant frequency. The magnetic field at the positions of the cell culture dishes is approximately twice the reference level for occupational exposure as stated in the International Commission on Non-Ionizing Radiation Protection (ICNIRP) guidelines. The specific absorption rate at the positions of the cell culture dishes matches the respective reference levels stated in the ICNIRP guidelines. For assessment of genotoxicity, we studied cell growth, cell cycle distribution, DNA strand breaks using the comet assay, micronucleus formation, and hypoxanthine-guanine phosphoribosyltransferase (HPRT) gene mutation, and did not detect any significant effects between the WPT-exposed cells and control cells. Our results suggest that WPT exposure under the conditions of the ICNIRP guidelines does not cause detectable cellular genotoxicity. View Full-Text
Keywords: wireless power transfer; magnetic resonant coupling; cell growth; cell cycle distribution; comet assay; micronucleus formation; HPRT gene mutation; human fibroblast cells; 12.5-MHz resonant frequency wireless power transfer; magnetic resonant coupling; cell growth; cell cycle distribution; comet assay; micronucleus formation; HPRT gene mutation; human fibroblast cells; 12.5-MHz resonant frequency
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mizuno, K.; Shinohara, N.; Miyakoshi, J. In Vitro Evaluation of Genotoxic Effects under Magnetic Resonant Coupling Wireless Power Transfer. Int. J. Environ. Res. Public Health 2015, 12, 3853-3863.

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