Electrochemical sensing platform based on the carbon nanotubes/redox mediators-biopolymer system.

A new electrochemical sensing platform was developed that relied on synergy between carbon nanotubes (CNT) and redox mediators that were co-immobilized in the biopolymer chitosan (CHIT). To demonstrate the concept, the redox mediator Toluidine Blue O (TBO) and CNT were integrated in CHIT and used for the determination of a reduced form of nicotinamide adenine dinucleotide (NADH). As compared to CHIT-TBO, the CHIT-TBO/CNT films displayed large amplification of a current due to the TBO-mediated oxidation of NADH at -0.10 V. This was discussed in terms of the TBO/CNT synergy that resulted in the improved charge propagation through the CHIT-TBO/CNT matrix.

• Publication year

  2005

• Venue

  Journal of the American Chemical Society

• Publication date

  2005-01-27

• Fields of study

  Medicine, Materials Science, Chemistry, Engineering

• Identifiers
  DOI 10.1021/JA044764GPMID 15713079
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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