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Two of the main parameters characterizing the performance of an on-chip capillary electrophoresis (CE) separation are peak height and peak resolution. This contribution presents both computational and measurement results of a contactless conductivity detector produced in low temperature co-fired ceramics (LTCC) multilayer technology. Detection electrodes are placed just outside of the channel, avoiding...
In diesem Beitrag wird ein miniaturisierter Sensor zur Bestimmung von Ionenkonzentrationen in Flüssigkeiten vorgestellt, der gänzlich in Keramikfolientechnologie, der so genannten Low Temperature Co-fired Ceramic(LTCC)-Technologie, aufgebaut ist. Die Ionen werden zunächst mit Hilfe des Prinzips der Kapillarelektrophorese (CE) separiert und anschließend mit einer kontaktlosen Leitfähigkeitsmessung...
In this paper we report on a microfluidic device for contactless liquid conductivity detection realized in Low Temperature Co-fired Ceramics (LTCC). An opposite-electrode arrangement serving as the detector is situated on the outside of the device, avoiding direct contact with the fluid. The excitation signal gets coupled into the microfluidic channel through the LTCC wall. Ceramic tapes with higher...
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