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Broadband electrical detection of individual biological cells

TitleBroadband electrical detection of individual biological cells
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2014
AuthorsNing, Y., Multari C., Luo X., Palego C., Cheng X., Hwang J.C.M., Denzi A., Merla Caterina, Apollonio F., and Liberti M.
JournalIEEE Transactions on Microwave Theory and Techniques
Volume62
Pagination1905-1911
KeywordsBiological cells, Biological engineering, Biological liquids, Biomedical transducers, Biosensors, Electrodes, Electrophoresis, Microstripes, Microwave measurement, Sensitivity
Abstract

To resolve the dilemma of cell clogging or solution parasitics encountered by Coulter counters and to evolve a general-purpose electrical detection technique, we used broadband microwave measurements to overcome electrode polarization, ac dielectrophoresis to precisely place cells between narrowly spaced electrodes, and relatively wide microfluidic channels to prevent cell clogging. This unique combination of approaches resulted in reproducible sensing of single Jurkat and HEK cells, both live and dead, of different cultures at different times. © 2014 IEEE.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84930384810&doi=10.1109%2fTMTT.2014.2342660&partnerID=40&md5=a10f61927b71eee4c50ac994fd479880
DOI10.1109/TMTT.2014.2342660
Citation KeyNing20141905