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Preparation of Ferrocene Functionalized Multiwall Carbon Nanotube Nanocomposites and its Electrochemical Behavior

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Abstract:

Ferrocenecarboxaldehyde (FcCHO) was covalently bound onto the multi-wall carbon nanotubes functionalized with amino groups (AMWNTs) to achieve Fc-AMWNTs conjugate. The cyclic voltammetry were used to characterize the nanocomposites. Here, Fc-AMWNTs were applied to construct glucose biosensors with IO4--oxidized glucose oxidase (IO4--oxidized GOx) through the covalent assembly method without any cross-linker. The presence of both ferrocene as mediator of electron transfer and MWNTs as conductor enhanced greatly the electrocatalytic response toward the glucose. Furthermore, our enzyme electrodes also showed remarkable stability due to the covalent interaction between the Fc-AMWNTs and the GOx.

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Periodical:

Applied Mechanics and Materials (Volumes 401-403)

Pages:

667-670

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.401-403.667

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Online since:

September 2013

Authors:

Qun Xiang Ren, Tian Hao Chi, Ying Ying Sun, Li Feng, Ming Yang Ma

Keywords:

Carbon Nanotube (CN), Covalent Attachment, Ferrocenecarboxaldehyde, Glucose Biosensors, Silane Treatment

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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