Analytical expression for electric field between two facing strip electrodes in microchannel

An analytical solution is presented for the electric field between two facing strip electrodes situated in a microchannel, as frequently used in impedance cytometry applications. The measured change in resistance as induced by a 5mum bead moving through the microchannel is in good agreement with the...

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Veröffentlicht in:	Electronics letters 2006-02, Vol.42 (3), p.145-147
Hauptverfasser:	LINDERHOLM, P, SEGER, U, RENAUD, P
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Biological and medical sciences Biosensors Biotechnology Electronics Exact sciences and technology Fundamental and applied biological sciences. Psychology Methods. Procedures. Technologies Micro- and nanoelectromechanical devices (mems/nems) Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Various methods and equipments
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Zusammenfassung:	An analytical solution is presented for the electric field between two facing strip electrodes situated in a microchannel, as frequently used in impedance cytometry applications. The measured change in resistance as induced by a 5mum bead moving through the microchannel is in good agreement with the model. It is also demonstrated that the centre sensitivity is maximal for an electrode width equal to ~56% of the channel height.
ISSN:	0013-5194 1350-911X
DOI:	10.1049/el:20063326