3D cell capture and sensing array electrode (3D ECCSA) under extremely low frequency electromagnetic fields (ELF-EMF)

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题名:	3D cell capture and sensing array electrode (3D ECCSA) under extremely low frequency electromagnetic fields (ELF-EMF)
作者:	Liu, CY (Liu, Chan-Yi) Chen, CH (Chen, Chun-Hong) Jang, LS (Jang, Ling-Sheng) Wang, MH (Wang, Min-Haw)
贡献者:	電機系
关键词:	MAGNETIC-FIELDS ELECTRICAL-PROPERTIES ELECTROPORATION PROLIFERATION 2D
日期:	2020-10-15
上传时间:	2020-10-22 14:26:56 (UTC+8)
摘要:	Recently, many studies have shown that extremely low frequency electromagnetic fields (ELF-EMF) may lead to enhanced cell proliferation and inhibit the growth of specific cancer cells. In this study, 3D cell-based biosensors and an ELF-EMF device are integrated for real-time, non-invasive monitoring of single cell culture and measurement under ELF-EMF. MDA-MB-231 cells are cultured in a three-dimensional cell capture and sensing array electrode (3D ECCSA) chip under different intensities of ELF-EMF. A single cell is captured in the electrode for long-term impedance measurement (12 h). In this period, MDA-MB-231 cell goes through three different stages: cell capture, cell growth, and cell division, which can be measured by changes in impedance. Furthermore, the cellular impedance in ELF-EMF was found to be significantly lower than that of the group without ELF-EMF. In addition, an equivalent circuit was developed to determine the cellular resistance and capacitive reactance, and Maxwell's mixture theory was used to determine the cell conductivity and permittivity to verify the effects of electromagnetic fields on cell membrane permeability and calcium ion exchange.
關聯:	SENSORS AND ACTUATORS B-CHEMICAL 卷冊: 321 文獻號碼: 128444
显示于类别:	[電機工程系] 期刊論文

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