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Sensors 2009, 9(4), 2289-2319; doi:10.3390/s90402289

Electrochemical Sensors Based on Carbon Nanotubes

, 1, 2,*  and 2,*
Received: 8 January 2009 / Revised: 17 March 2009 / Accepted: 30 March 2009 / Published: 30 March 2009
(This article belongs to the Section Physical Sensors)
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Abstract: This review focuses on recent contributions in the development of the electrochemical sensors based on carbon nanotubes (CNTs). CNTs have unique mechanical and electronic properties, combined with chemical stability, and behave electrically as a metal or semiconductor, depending on their structure. For sensing applications, CNTs have many advantages such as small size with larger surface area, excellent electron transfer promoting ability when used as electrodes modifier in electrochemical reactions, and easy protein immobilization with retention of its activity for potential biosensors. CNTs play an important role in the performance of electrochemical biosensors, immunosensors, and DNA biosensors. Various methods have been developed for the design of sensors using CNTs in recent years. Herein we summarize the applications of CNTs in the construction of electrochemical sensors and biosensors along with other nanomaterials and conducting polymers.
Keywords: Carbon Nanotubes; Modified Electrodes; Electrochemical Sensors; Biosensors; Immunosensors; DNA sensors Carbon Nanotubes; Modified Electrodes; Electrochemical Sensors; Biosensors; Immunosensors; DNA sensors
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Ahammad, A.J.S.; Lee, J.-J.; Rahman, M.A. Electrochemical Sensors Based on Carbon Nanotubes. Sensors 2009, 9, 2289-2319.

AMA Style

Ahammad AJS, Lee J-J, Rahman MA. Electrochemical Sensors Based on Carbon Nanotubes. Sensors. 2009; 9(4):2289-2319.

Chicago/Turabian Style

Ahammad, A. J. Saleh; Lee, Jae-Joon; Rahman, Md. Aminur. 2009. "Electrochemical Sensors Based on Carbon Nanotubes." Sensors 9, no. 4: 2289-2319.

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