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Simultaneous Determination of Adenine Guanine and Thymine at Multi-walled Carbon Nanotubes Incorporated with Poly(new Fuchsin) Composite Film by Ching Tang; Umasankar Yogeswaran; Shen-Ming Chen is a Chemistry article available to read on EtoBox.

What is Simultaneous Determination of Adenine Guanine and Thymine at Multi-walled Carbon Nanotubes Incorporated with Poly(new Fuchsin) Composite Film about?

A composite film (MWCNTs-PNF) which contains multi-walled carbon nanotubes (MWCNTs) along with the incorporation of poly(new fuchsin) (PNF) has been synthesized on glassy carbon electrode (GCE), gold (Au) and indium tin oxide (ITO) by potentiostatic methods. The presence of MWCNTs in the composite film enhances surface coverage concentration (Gamma) of PNF to approximately 176.5%, and increases the electron transfer rate constant (k(s)) to approximately 346%. The composite film also exhibits promising enhanced electrocatalytic activity towards the mixture of biochemical compounds such as adenine (AD), guanine (GU) and thymine (THY). The surface morphology of the composite film deposited on ITO has been studied using scanning electron microscopy and atomic force microscopy. These two techniques reveal that the PNF incorporated on MWCNTs. Electrochemical quartz crystal microbalance study reveals the enhancement in the functional properties of MWCNTs and PNF. The electrocatalytic responses of analytes at MWCNTs and MWCNTs-PNF films were measured using both cyclic voltammetry (CV) and differential pulse voltammetry (DPV). From electrocatalysis studies, well separated voltammetric peaks

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Author

Ching Tang; Umasankar Yogeswaran; Shen-Ming Chen

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0003-2670)

Published

2009

Language

EN

Field

Chemistry (Physical Sciences)