CTB (CTB-UPM) Centro de Tecnología Biomédica, Universidad Politécnica de Madrid, 28223 Pozuelo de Alarcón, Spain.
Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
Int J Environ Res Public Health. 2019 Jun 13;16(12):2085. doi: 10.3390/ijerph16122085.
The human concern about the effect of electromagnetic fields (EMFs) has changed over time from the effects produced by EMFs of extremely low frequencies (ELFs) to the effects produced by exposure to a radio frequency (RF), with concerns shifting toward EMFs due to the development of new technologies and forms of communication. Previous studies have analysed the effects produced at different frequencies without considering in detail the effect of the time of exposure. Therefore, in the present study, we analysed in vitro the effect produced by a 100 µT EMF at different ELFs and exposure times in glioblastomas, as well as the effect produced in a fibroblast by an RF-EMF of 2.54 GHz. Our results indicate a significant time dependence in cell viability of fibroblasts exposed to an RF-EMF of 2.54 GHz and a non-time-dependent effect in cell viability of glioblastomas exposed to an ELF-EMF, highlighting the possible relation between frequency and time of exposure.
人类对电磁场 (EMF) 影响的关注随着时间的推移发生了变化,从极低频电磁场 (ELF) 产生的影响转变为射频 (RF) 暴露产生的影响,这是由于新技术和通信形式的发展而产生的对电磁场的关注。以前的研究分析了不同频率产生的影响,而没有详细考虑暴露时间的影响。因此,在本研究中,我们在体外分析了在不同 ELF 和暴露时间下,100µT 电磁场对神经胶质瘤产生的影响,以及 2.54GHz 的射频-EMF 对成纤维细胞产生的影响。我们的结果表明,暴露于 2.54GHz 的射频-EMF 的成纤维细胞的细胞活力具有显著的时间依赖性,而暴露于 ELF-EMF 的神经胶质瘤的细胞活力没有时间依赖性,这突出了频率和暴露时间之间的可能关系。
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