Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/15568
Title: Study on microelectrode array biochip and carbon nanotube based electrochemical sensors and electronic devices
Authors: CUI HUIFANG
Keywords: biochip, microelectrode array, dopamine, carbon nanotube, sensor, functionalization
Issue Date: 24-Aug-2006
Source: CUI HUIFANG (2006-08-24). Study on microelectrode array biochip and carbon nanotube based electrochemical sensors and electronic devices. ScholarBank@NUS Repository.
Abstract: Micro- and nano-electrodes have been the focus of many researchers in developing electrochemical sensor/biosensors and electronic devices due to their unique size and special electrochemical properties. In this study, Au microelectrode array biochips were designed, fabricated and characterized. Rapid, simple, high-throughput, sensitive, and highly-reproducible detection techniques were developed for study drug effect on dopamine release from dopaminergic cells. L-dopa, reserpine, and nomifensine were used as example drugs. These techniques could be used in drug screening for dopamine related psychiatric disorders. Furthermore, this study intended to use carbon nanotubes as a general platform for functional modifications towards the development of electrochemical sensor/biosensors and electronic devices. A bilayer-lipid-membrane, a RuO2-coating, Pt-nanoparticles, and PtPb-nanoparticles have been successfully constructed on the surface of multi-walled carbon nanotubes, and the constructions were characterized towards the development of photo-switched devices, supercapacitors, oxygen-sensors, and glucose-sensors, respectively. Excellent properties were found for these constructions in their respective applications.
URI: http://scholarbank.nus.edu.sg/handle/10635/15568
Appears in Collections:Ph.D Theses (Open)

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