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Current Nanoscience

Editor-in-Chief

ISSN (Print): 1573-4137
ISSN (Online): 1875-6786

Carbon Nanotube Based DNA Biosensor for Rapid Detection of Anti-Cancer Drug of Cyclophosphamide

Author(s): Sigen Wang, Ruili Wang, Paul J. Sellin and Sha Chang

Volume 5, Issue 3, 2009

Page: [312 - 317] Pages: 6

DOI: 10.2174/157341309788921372

Price: $65

Abstract

Deoxyribonucleic acid (DNA) biosensor based on a carbon nanotube (CNT) modified electrode was developed as an anticancer drug screening device for rapid electrochemical detection of cyclophosphamide. Screen-printing technology was employed to fabricate electrodes for biosensor construction. The interaction of cyclophosphamide with double stranded (ds) calf thymus DNA was detected with the developed CNT-based biosensor and compared with the carbon paste based biosensor by using differential pulse voltammetry. The preliminary results indicate that the developed CNT-based DNA biosensor exhibited a faster response and a higher detection reproducibility compared to the carbon paste based biosensor.

Keywords: Anti-cancer drug, electrochemical DNA biosensors, cyclophosphamide, carbon nanotubes, anticancer drug interactions


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