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Open AccessProceedings

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

1
Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), Department of Electronic & Electrical Engineering, University of Bath, Bath BA2 7AY, UK
2
Department of Materials, Imperial College London, Exhibition Road, London SW7 2AZ, UK
*
Author to whom correspondence should be addressed.
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
Proceedings 2018, 2(13), 741; https://doi.org/10.3390/proceedings2130741
Published: 29 November 2018
(This article belongs to the Proceedings of Eurosensors)
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.
Keywords: electrode pretreatment; electrochemical biosensor; printed-circuit-board; glucose detection; chronoamperometry electrode pretreatment; electrochemical biosensor; printed-circuit-board; glucose detection; chronoamperometry
MDPI and ACS Style

Dutta, G.; Regoutz, A.; Moschou, D. Commercially Fabricated Printed Circuit Board Sensing Electrodes for Biomarker Electrochemical Detection: The Importance of Electrode Surface Characteristics in Sensor Performance. Proceedings 2018, 2, 741.

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