Journal
ELECTROANALYSIS
Volume 15, Issue 13, Pages 1089-1094Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200390131
Keywords
aligned carbon nanotubcs; glucose oxidase; hydrogen peroxide
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ne use of multiwalled aligned carbon nanotubes provides a novel electrode platform for inherently conducting polymer based biosensors. The example used here to highlight the usefulness of such a platform is the polypyrrole based glucose oxidase system for detection of glucose. The use of these three dimensional electrodes offers advantages in that large accessible enzyme loadings can be obtained within an ultrathin layer. It has also been found that the detection of H2O2 at these new electrode structures containing iron loaded nanotube tips can be achieved at low anodic potentials. The result is a sensitive and selective glucose sensor.
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