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Fluidic Platform with Embedded Differential Capacitively Coupled Contactless Conductivity Detector for Micro-Object Sensing

Do, Loc Quang and Bui, Tung Thanh and Tran, Ha Thi Thuy and Katsuya, Kikuchi and Aoyagi, Aasahiro and Chu, Duc Trinh (2018) Fluidic Platform with Embedded Differential Capacitively Coupled Contactless Conductivity Detector for Micro-Object Sensing. International Journal of Nanotechnology, 15 (1/2/3). pp. 24-38. ISSN 1475-7435

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Abstract

In this paper, we present a microfluidic platform with differential capacitively coupled contactless conductivity detection (DC4D) technique for microparticle detection. The microfluidic platform is formed by bonding PDMS channel to glass substrate. The proposed microfluidic sensor embedded in the microchannel consists of three adjacent electrodes. These electrodes are arranged to form differential coplanar capacitor structures to provide high sensitivity. The differential capacitance is changed when a microsized object crosses the sensing area in the microfluidic channel. This microfluidic system with the novel sensing design based on DC4D technique provides a platform for detection the presence of an object as well as its electrical property.

Item Type: Article
Subjects: ISI-indexed journals
Divisions: Faculty of Electronics and Telecommunications (FET)
Depositing User: Bùi Thanh Tùng
Date Deposited: 08 Jun 2018 08:39
Last Modified: 08 Jun 2018 08:39
URI: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/2971

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