Glucose Biosensors Based on Vertically-Aligned Multi-Walled Carbon Nanotubes

Abstract

Vertically-aligned multiwalled carbon nanotubes (VA-MWCNTs) were grown using plasma enhanced chemical vapor deposition (PECVD) technique. These VA-MWCNTs were then dip coated by Poly methyl methacrylate (PMMA) followed by annealing. Samples were then polished to expose the tips of CNTs. Biological molecules Glucose Oxidase (GOx) were then immobilized on the exposed tips of these nanoelectrode ensembles. Here we present further characterization of these devices, with results on the detection limits and measurement stability. We found that these sensors can be reused for longer than eight months when kept in proper storage conditions.

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Correspondence to Archana Pandey.

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Pandey, A., Prasad, A., Moscatello, J. et al. Glucose Biosensors Based on Vertically-Aligned Multi-Walled Carbon Nanotubes. MRS Online Proceedings Library 1204, 1305 (2009). https://doi.org/10.1557/PROC-1204-K13-05

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