Commercially Fabricated Printed Circuit Board Sensing Electrodes for Biomarker Electrochemical Detection: The Importance of Electrode Surface Characteristics in Sensor Performance

Gorachand Dutta, anna Regoutz, Despina Moschou

Research output: Contribution to journalArticlepeer-review

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Abstract

Here we report the first PCB-implemented electrochemical glucose biosensor using covalently immobilized glucose oxidase (GOx) on the commercially fabricated PCB electrode surface, taking particular care on the electrode surface characteristics and their effect on sensor performance. Based on the results, this assay exhibits a highly linear response from 500 µM to 20 mM (R = 0.9961) and a lower limit of detection of 500 µM.
Original languageEnglish
Article number741
Number of pages4
JournalProceedings — Open Access Journal
Volume2
Issue number13
DOIs
Publication statusPublished - 29 Nov 2018

Keywords

  • electrode pretreatment
  • electrochemical biosensor
  • printed-circuit-board
  • glucose detection
  • chronoamperometry

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