Novel Device Uses Impedance Spectroscopy to Recognize Cell Types

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Novel Device Uses Impedance Spectroscopy to Recognize Cell Types Jun 27th 2013, 06:29 Scientists used complementary metal oxide semiconductor (CMOS) technology with carbon nanotubes to make the device. The space allotted was just 6 μm, ensuring it is tinier than most cells and this enables voltage readings to be taken at a very high resolution. This research employs 'impedance spectroscopy' which will allow a unique opportunity to recognize pathogens using an easy and cost effective technology. "To demonstrate its capability to detect cells, we performed impedance spectroscopy on mobile human embryonic kidney (HEK) cells, neurons cells from mice, and yeast cells (S. pombe). Measurements were performed with and without cells and with and without nanotubes. Nanotubes were found to be crucial to successfully detect the presence of cells. The devices are also able to distinguish between cells with different characteristics" researchers said. Source-Medindia

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