Impact of Magnetic Field Generated by Wireless Power Transfer System of Electric Vehicle on Retinal Pigment Epithelium Cell in Vitro

This pilot study investigated the potential risk of damage to DNA of Retinal Pigment Epithelium (RPE) cells due to the exposure of acute magnetic field (MF) of wireless power transfer (WPT) of electric vehicles (EV) at 100 kHz. In our controlled experiment, two lines of RPE cells were cultured at the same level in the incubator with 37˚C and 5% CO₂, while a new exposure system generating homogeneous magnetic field was designed and fabricated used for imitation of exposure of WPT systems at selected frequencies and field intensity. A group of Retinal Pigment Epithelium (RPE) cells were exposed continuously for 24h in the derived magnetic field of 3A/m, and compared with the sham-exposed control group after the same time. The impact of derived magnetic field on the induced DNA damage was investigated by comet assay and DNA fragment concentration test in two cell lines. This study has indicated that the 24h magnetic field exposure of WPT would barely cause any impact on DNA damage in RPE cell.