Transdermal microneedle sensor arrays based on palladium: Polymer composites

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Abstract

The solvent based casting of metal particle-polymer mixtures has been investigated as a rapid means through which to produce a 10 × 10 array of pyramidal (200 × 200 × 350 μm) microneedles for electroanalytical sensing applications. The incorporation of nanoparticulate palladium powder within either a polycarbonate or polystyrene binder is shown to result in mechanically robust microneedles. The electrochemical properties of the resulting structures have been investigated and their application for transdermal sensing applications has been demonstrated through the use of epidermal/skin mimic.
Original languageEnglish
Pages (from-to)162-165
JournalElectrochemistry Communications
Volume72
Early online date29 Sep 2016
DOIs
Publication statusPublished - 1 Nov 2016

Keywords

  • Microneedle Palladium Sensor Electrode

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