A novel side electrode configuration integrated in fused silica microsystems for synchronous optical and electrical spectroscopy

Sertan Sukas, Erik Schreuder, Bjorn de Wagenaar, Joost Swennenhuis, Albert van den Berg, Leon Terstappen, Séverine Le Gac

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

We present a novel electrode configuration consisting of coplanar side electrode pairs integrated at the half height of the microchannels for the creation of a homogeneous electric field distribution as well as for synchronous optical and electrical measurements. For the integration of such electrodes in fused silica microsystems, a dedicated microfabrication method was utilized, whereby an intermediate bonding layer was applied to lower the temperature for fusion bonding to avoid thereby metal degradation and subsequently to preserve the electrode structures. Finally, we demonstrate the applicability of our devices with integrated electrodes for single cell electrical lysis and simultaneous fluorescence and impedance measurements for both cell counting and characterization.

Original languageEnglish
Pages (from-to)1821-1825
Number of pages5
JournalLab on a Chip
Volume14
Issue number11
DOIs
Publication statusPublished - 7 Jun 2014
Externally publishedYes

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