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Electrode Development for a Lactate Biosensor

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Implantable biosensors are an underdeveloped area of research which could provide many benefits to tumor detection. Utilizing an electrode that is selective toward the byproduct (H2O2) of many oxidase reactions enables a biosensor to be created through coupling of an enzyme layer. A biocompatible electrode with reactivity towards H2O2 is developed using Pt nanoparticles deposited on a titanium dioxide nanotube array. Titanium dioxide nanotubes were formed using anodic oxidation at varying potentials in an ethylene glycol based solution. Pt was deposited onto nanotube arrays of varying condition using cyclic voltammetry. Two electrodes with slight carbon deposits on the nanotubes showed reactivity with H2O2 at a potential around –0.277V.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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Identifier
  • E-project-042816-124821
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Year
  • 2016
Date created
  • 2016-04-28
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Last modified
  • 2023-01-20

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