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An electrochemical glucose sensor from an organically modified nanocomposite of viologen and TiO <inf>2</inf>

Kim, Y and Malliaras, GG and Ober, CK and Kim, E (2010) An electrochemical glucose sensor from an organically modified nanocomposite of viologen and TiO <inf>2</inf>. In: UNSPECIFIED pp. 6869-6873..

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Abstract

An organically modified TiO nanocomposite was explored for glucose detection. Bis-Butyl viologen (BBV) was mixed with TiO nanoparticles to generate highly dispersed nanocomposite solution, which provided organically modified nanocomposite film of TiO (BBV-TiO ). A transistor type sensor was fabricated using the BBV-TiO film and platinum gate electrode. The BBV-TiO nanocomposite sensor showed higher sensitivity to glucose sensing in low concentration region compared to that of TiO sensor. This result was ascribed to facilitated electron transport by the adsorbed viologen molecules on TiO nanoparticles, where viologen molecules act as an electron transfer mediator between enzyme and TiO . Copyright © 2010 American Scientific Publishers. 2 2 2 2 2 2 2 2 2

Item Type: Conference or Workshop Item (UNSPECIFIED)
Uncontrolled Keywords: Electrochemical Techniques Glucose Microscopy, Atomic Force Nanocomposites Spectrophotometry, Ultraviolet Titanium Viologens
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Cron Job
Date Deposited: 10 Sep 2017 20:11
Last Modified: 01 Apr 2021 04:47
DOI: 10.1166/jnn.2010.2948